{"id":3053,"date":"2020-02-25T09:08:57","date_gmt":"2020-02-25T02:08:57","guid":{"rendered":"https:\/\/briswell-vn.com\/?p=3053"},"modified":"2020-05-22T07:54:07","modified_gmt":"2020-05-22T00:54:07","slug":"android-firebase-for-beginer","status":"publish","type":"post","link":"https:\/\/www.briswell-vn.com\/ja\/news\/android-firebase-for-beginer\/","title":{"rendered":"\u521d\u5fc3\u8005\u306e\u305f\u3081\u306eAndroid Firebase"},"content":{"rendered":"<p><\/p>\n<h1 style=\"text-align: center;\"><strong>Firebase<\/strong><\/h1>\n<h2>I.\u00a0<span class=\"s2\">Firebase\u3068\u306f<\/span><\/h2>\n<p><span class=\"s1\">Google Firebase\u306fGoogle\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u958b\u767a\u8005\u304ciOS\u3084android\u3001<a href=\"https:\/\/searchsoftwarequality.techtarget.com\/definition\/Web-application-Web-app\"><span class=\"s2\">Web apps<\/span><\/a>\u306e\u958b\u767a\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002Firebase\u306f\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3084\u305d\u306e\u5206\u6790\u3001\u30af\u30e9\u30c3\u30b7\u30e5\u30ec\u30dd\u30fc\u30c8\u307e\u305f\u305d\u306e\u4fee\u6b63\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u306e\u8abf\u67fb\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u691c\u8a3c\u306e\u30c4\u30fc\u30eb\u3068\u3057\u3066\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002Firebase\u306f\u305f\u304f\u3055\u3093\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u306fin-app messaging\u3001cloud messages\u3001\u305d\u3057\u3066real-time databases\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/span><\/p>\n<h2>II.\u00a0<span class=\"s1\">\u30a2\u30d7\u30ea\u306bFirebase\u3092\u8ffd\u52a0\u3059\u308b<\/span><\/h2>\n<p><span class=\"s2\">Android\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306bFirebase\u3092\u5165\u308c\u308b\u524d\u306b\u3001Android\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092Firebase\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u305d\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u69cb\u7bc9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Firebase\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u30ed\u30b0\u30a4\u30f3\u3092\u3057\u307e\u3059\u3002 <a href=\"https:\/\/console.firebase.google.com\/?hl=en\">https:\/\/console.firebase.google.com\/?hl=en<\/a><\/span><\/p>\n<p><span class=\"s2\"><strong>Step 1<\/strong>: <\/span><span class=\"s1\">Firebase\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u5f8c\u3001&#8221;<strong>Create a project<\/strong>&#8220;\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><span class=\"s2\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3795 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-9.31.55-AM-1024x566.png\" alt=\"\" width=\"1024\" height=\"566\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075255\/Screen-Shot-2020-02-20-at-9.31.55-AM-1024x566.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075255\/Screen-Shot-2020-02-20-at-9.31.55-AM-300x166.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075255\/Screen-Shot-2020-02-20-at-9.31.55-AM-768x424.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075255\/Screen-Shot-2020-02-20-at-9.31.55-AM.png 1338w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/> <\/span><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 2<\/strong>: \u3053\u3053\u304b\u3089\u306f\u65b0\u3057\u304fFirebase\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u624b\u9806\u3067\u3059\u3002Android icon\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3797 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-9.43.53-AM-1024x565.png\" alt=\"\" width=\"1024\" height=\"565\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075332\/Screen-Shot-2020-02-20-at-9.43.53-AM-1024x565.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075332\/Screen-Shot-2020-02-20-at-9.43.53-AM-300x166.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075332\/Screen-Shot-2020-02-20-at-9.43.53-AM-768x424.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075332\/Screen-Shot-2020-02-20-at-9.43.53-AM.png 1340w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 3<\/strong>:<\/span><span class=\"s1\">Android Manifest\u306epackage name\u3068\u540c\u3058\u3082\u306e\u3092&#8221;<strong>Android package name<\/strong>&#8220;\u306b\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3798 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-21-at-3.19.26-PM.png\" alt=\"\" width=\"570\" height=\"600\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075551\/Screen-Shot-2020-02-21-at-3.19.26-PM.png 570w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075551\/Screen-Shot-2020-02-21-at-3.19.26-PM-285x300.png 285w\" sizes=\"auto, (max-width: 570px) 100vw, 570px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3799 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-9.51.12-AM-1024x121.png\" alt=\"\" width=\"1024\" height=\"121\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075616\/Screen-Shot-2020-02-20-at-9.51.12-AM-1024x121.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075616\/Screen-Shot-2020-02-20-at-9.51.12-AM-300x36.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075616\/Screen-Shot-2020-02-20-at-9.51.12-AM-768x91.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075616\/Screen-Shot-2020-02-20-at-9.51.12-AM.png 1357w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 4<\/strong>:\u00a0\u00a0<\/span><span class=\"s1\">&#8220;<strong>google-services.json&#8221;<\/strong>\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u3057\u3066\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3800 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-21-at-3.20.06-PM.png\" alt=\"\" width=\"716\" height=\"639\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075822\/Screen-Shot-2020-02-21-at-3.20.06-PM.png 716w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075822\/Screen-Shot-2020-02-21-at-3.20.06-PM-300x268.png 300w\" sizes=\"auto, (max-width: 716px) 100vw, 716px\" \/><\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\">View\u3092\u5207\u308a\u66ff\u3048\u308b\u305f\u3081\u306b&#8221;Project&#8221;\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u3046\u3059\u308b\u3068\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306eroot\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002&#8221;<strong>google-services.json<\/strong>&#8220;\u30d5\u30a1\u30a4\u30eb\u3092&#8221;Project\/~\/app&#8221;\u30d5\u30a9\u30eb\u30c0\u306b\u304a\u304d\u307e\u3059\u3002<\/span><\/li>\n<\/ul>\n<p class=\"p1\"><span class=\"s1\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3802 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-9.56.43-AM.png\" alt=\"\" width=\"461\" height=\"339\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075857\/Screen-Shot-2020-02-20-at-9.56.43-AM.png 461w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075857\/Screen-Shot-2020-02-20-at-9.56.43-AM-300x221.png 300w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3804 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-9.58.50-AM.png\" alt=\"\" width=\"448\" height=\"279\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075949\/Screen-Shot-2020-02-20-at-9.58.50-AM.png 448w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07075949\/Screen-Shot-2020-02-20-at-9.58.50-AM-300x187.png 300w\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" \/><br \/>\n<\/span><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 5<\/strong>: Firebase SDK\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\uff08\u753b\u50cf\u53c2\u7167\uff09<\/span><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>1. <\/strong><strong> &#8220;<\/strong><\/span><span class=\"s2\"><strong>build.gradle<\/strong>&#8221; (Project)<\/span><span class=\"s1\">:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3805 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-10.06.20-AM-1024x479.png\" alt=\"\" width=\"1024\" height=\"479\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080017\/Screen-Shot-2020-02-20-at-10.06.20-AM-1024x479.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080017\/Screen-Shot-2020-02-20-at-10.06.20-AM-300x140.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080017\/Screen-Shot-2020-02-20-at-10.06.20-AM-768x359.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080017\/Screen-Shot-2020-02-20-at-10.06.20-AM.png 1399w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>2. <\/strong><strong> &#8220;<\/strong><\/span><span class=\"s2\"><strong>build.gradle<\/strong>&#8221; (app):<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3806 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-10.11.34-AM-1024x578.png\" alt=\"\" width=\"1024\" height=\"578\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080052\/Screen-Shot-2020-02-20-at-10.11.34-AM-1024x578.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080052\/Screen-Shot-2020-02-20-at-10.11.34-AM-300x169.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080052\/Screen-Shot-2020-02-20-at-10.11.34-AM-768x433.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080052\/Screen-Shot-2020-02-20-at-10.11.34-AM.png 1399w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 6<\/strong>: \u8d77\u52d5\u3055\u305bFirebase\u306e\u30a2\u30d7\u30ea\u306e\u78ba\u8a8d\u3092\u5f85\u3061\u307e\u3059\u3002\u6210\u529f\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3068\u201c<strong>Continue to console<\/strong>\u201d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3807 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-19-at-4.31.20-PM-31.png\" alt=\"\" width=\"822\" height=\"483\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080122\/Screen-Shot-2020-02-19-at-4.31.20-PM-31.png 822w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080122\/Screen-Shot-2020-02-19-at-4.31.20-PM-31-300x176.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080122\/Screen-Shot-2020-02-19-at-4.31.20-PM-31-768x451.png 768w\" sizes=\"auto, (max-width: 822px) 100vw, 822px\" \/><\/p>\n<h2>III.\u00a0<span class=\"s1\">In-App Message<\/span><\/h2>\n<h3>1. <span class=\"s1\">\u7d39\u4ecb<\/span><\/h3>\n<p class=\"p1\"><span class=\"s1\">Firebase In-App Messaging\u306f \u72d9\u3063\u305f\u30e6\u30fc\u30b6\u306b\u5bfe\u3057\u30a2\u30d7\u30ea\u306e\u4e3b\u8981\u306a\u6a5f\u80fd\u3092\u52d5\u304b\u3059\u305f\u3081\u30c6\u30ad\u30b9\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u308a\u30e6\u30fc\u30b6\u306b\u30a2\u30d7\u30ea\u3092\u8d77\u52d5\u3055\u305b\u308b\u3088\u3046\u306b\u4fc3\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u30fc\u3084\u30d3\u30c7\u30aa\u89b3\u8cde\u3001\u30ec\u30d9\u30eb\u306e\u9054\u6210\u307e\u305f\u306f\u30a2\u30a4\u30c6\u30e0\u306e\u8cfc\u5165\u3092\u8a98\u5c0e\u3059\u308b\u305f\u3081\u30e6\u30fc\u30b6\u306bin-app message\u3092\u9001\u308a\u307e\u3059\u3002<br \/>\n\u30ab\u30fc\u30c9\u3084\u30d0\u30ca\u30fc\u3001\u30e2\u30fc\u30c0\u30eb\u3001\u753b\u50cf\u306e\u3088\u3046\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u305d\u3057\u3066\u30c8\u30ea\u30ac\u30fc\u3092\u30bb\u30c3\u30c8\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4e00\u756a\u52b9\u679c\u304c\u3042\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6b63\u78ba\u306b\u305d\u308c\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<h3>2. \u59cb\u3081\u65b9<\/h3>\n<p><strong>Step 1<\/strong>:\u00a0<span class=\"s1\">&#8220;<strong>build.gradle<\/strong>&#8221; (app)\u306b\u201c<strong><span class=\"s2\">implementation <\/span><\/strong><span class=\"s3\"><strong>\u2018com.google.firebase:firebase-inappmessaging-display:19.0.3\u2019<\/strong><\/span><\/span><span class=\"s3\">\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u305d\u3057\u3066&#8221;<strong>Sync Now<\/strong>&#8220;\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3809 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-19-at-4.51.31-PM-33-1024x641.png\" alt=\"\" width=\"1024\" height=\"641\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080223\/Screen-Shot-2020-02-19-at-4.51.31-PM-33-1024x641.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080223\/Screen-Shot-2020-02-19-at-4.51.31-PM-33-300x188.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080223\/Screen-Shot-2020-02-19-at-4.51.31-PM-33-768x481.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080223\/Screen-Shot-2020-02-19-at-4.51.31-PM-33-350x220.png 350w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080223\/Screen-Shot-2020-02-19-at-4.51.31-PM-33.png 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p><strong>Step 2<\/strong>: <span class=\"s1\">Firebase instance ID (Firebase\u306ein-app message\u306e\u30c6\u30b9\u30c8\u306b\u4f7f\u7528\u3059\u308bID)\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/span><\/p>\n<pre>private fun createInstanceId() {\r\n    FirebaseInstanceId.getInstance().instanceId.addOnCompleteListener { task -&gt;\r\n        if (!task.isSuccessful) {\r\n            Log.w(TAG, \"getInstanceId failed\", task.exception)\r\n            return@addOnCompleteListener\r\n        }\r\n\r\n        \/\/create new instance id Token\r\n        val msg = task.result?.id\r\n        Log.d(TAG, \"token: $msg\")\r\n    }\r\n}<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3810 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-19-at-5.01.04-PM-35-1024x417.png\" alt=\"\" width=\"1024\" height=\"417\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080253\/Screen-Shot-2020-02-19-at-5.01.04-PM-35-1024x417.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080253\/Screen-Shot-2020-02-19-at-5.01.04-PM-35-300x122.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080253\/Screen-Shot-2020-02-19-at-5.01.04-PM-35-768x312.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080253\/Screen-Shot-2020-02-19-at-5.01.04-PM-35.png 1396w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 3<\/strong>:\u30a2\u30d7\u30ea\u3092\u8d77\u52d5\u3055\u305b&#8221;Logcat&#8221; \u30c4\u30fc\u30eb\u3092\u958b\u304d\u307e\u3059\u3002ID token\u3092\u305d\u3053\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3811 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-19-at-5.23.36-PM-51-1024x625.png\" alt=\"\" width=\"1024\" height=\"625\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080319\/Screen-Shot-2020-02-19-at-5.23.36-PM-51-1024x625.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080319\/Screen-Shot-2020-02-19-at-5.23.36-PM-51-300x183.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080319\/Screen-Shot-2020-02-19-at-5.23.36-PM-51-768x469.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080319\/Screen-Shot-2020-02-19-at-5.23.36-PM-51.png 1399w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 4<\/strong>: ID token\u3092\u30b3\u30d4\u30fc\u3057, Firebase \u30b3\u30f3\u30bd\u30fc\u30eb -&gt; &#8220;<strong>In-App Messaging<\/strong>&#8220;\u3092\u958b\u304d, \u201c<strong>Create your first campaign<\/strong>\u201d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3813 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-19-at-5.06.23-PM-41-1024x606.png\" alt=\"\" width=\"1024\" height=\"606\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080401\/Screen-Shot-2020-02-19-at-5.06.23-PM-41-1024x606.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080401\/Screen-Shot-2020-02-19-at-5.06.23-PM-41-300x177.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080401\/Screen-Shot-2020-02-19-at-5.06.23-PM-41-768x454.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080401\/Screen-Shot-2020-02-19-at-5.06.23-PM-41.png 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 5<\/strong>: &#8220;<strong>Message title<\/strong>&#8221; (\u4f8b: Hello I&#8217;m FireBase)&#8221;<strong>Body<\/strong>&#8221; (optional), &#8220;<strong>Images<\/strong>&#8221; (ex: <a href=\"https:\/\/cdn.pixabay.com\/photo\/2015\/10\/12\/14\/54\/coffee-983955_960_720.jpg\"><span class=\"s2\">https:\/\/cdn.pixabay.com\/photo\/2015\/10\/12\/14\/54\/coffee-983955_960_720.jpg<\/span><\/a>)\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3814 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-19-at-5.12.17-PM-45-1.png\" alt=\"\" width=\"938\" height=\"639\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080500\/Screen-Shot-2020-02-19-at-5.12.17-PM-45-1.png 938w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080500\/Screen-Shot-2020-02-19-at-5.12.17-PM-45-1-300x204.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080500\/Screen-Shot-2020-02-19-at-5.12.17-PM-45-1-768x523.png 768w\" sizes=\"auto, (max-width: 938px) 100vw, 938px\" \/><\/p>\n<p>&#8220;<strong>Button text<\/strong>&#8220;\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3816 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-19-at-5.12.47-PM-47.png\" alt=\"\" width=\"938\" height=\"692\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080533\/Screen-Shot-2020-02-19-at-5.12.47-PM-47.png 938w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080533\/Screen-Shot-2020-02-19-at-5.12.47-PM-47-300x221.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080533\/Screen-Shot-2020-02-19-at-5.12.47-PM-47-768x567.png 768w\" sizes=\"auto, (max-width: 938px) 100vw, 938px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 6<\/strong>: \u201c<strong>Test on Device<\/strong>\u201d\u3092\u30af\u30ea\u30c3\u30af\u3057, &#8220;<strong>Add an instance ID<\/strong>&#8221; \u30d5\u30a3\u30fc\u30eb\u30c9\u306bID token\u3092\u30da\u30fc\u30b9\u30c8\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3817 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-19-at-5.17.37-PM-49.png\" alt=\"\" width=\"937\" height=\"665\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080559\/Screen-Shot-2020-02-19-at-5.17.37-PM-49.png 937w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080559\/Screen-Shot-2020-02-19-at-5.17.37-PM-49-300x213.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080559\/Screen-Shot-2020-02-19-at-5.17.37-PM-49-768x545.png 768w\" sizes=\"auto, (max-width: 937px) 100vw, 937px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\">Firebase In-App Messaging\u306f\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3059\u3050\u306b&#8221;<b>Test<\/b>&#8220;\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u305d\u308c\u3092\u898b\u308b\u305f\u3081\u306b\u306f\u30a2\u30d7\u30ea\u3092\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3078\u79fb\u52d5\u3057\u3001\u30c6\u30b9\u30c8\u7aef\u672b\u3067\u30a2\u30d7\u30ea\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/span><\/p>\n<p class=\"p1\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3818 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-19-at-5.24.22-PM-53-1024x663.png\" alt=\"\" width=\"1024\" height=\"663\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080625\/Screen-Shot-2020-02-19-at-5.24.22-PM-53-1024x663.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080625\/Screen-Shot-2020-02-19-at-5.24.22-PM-53-300x194.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080625\/Screen-Shot-2020-02-19-at-5.24.22-PM-53-768x497.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080625\/Screen-Shot-2020-02-19-at-5.24.22-PM-53.png 1143w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p><em>\u7d50\u679c<\/em>:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3819 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200219-173204-57-576x1024.jpg\" alt=\"\" width=\"576\" height=\"1024\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080648\/Screenshot_20200219-173204-57-576x1024.jpg 576w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080648\/Screenshot_20200219-173204-57-169x300.jpg 169w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080648\/Screenshot_20200219-173204-57-768x1365.jpg 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080648\/Screenshot_20200219-173204-57-864x1536.jpg 864w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080648\/Screenshot_20200219-173204-57.jpg 1080w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/p>\n<p><strong>Step 7<\/strong>: \u30c6\u30b9\u30c8\u304c\u6210\u529f\u3057\u305f\u5f8c\u3001\u7d9a\u3051\u308b\u305f\u3081\u306b&#8221;<strong>Next&#8221;<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3820 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-10.50.56-AM.png\" alt=\"\" width=\"940\" height=\"662\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080709\/Screen-Shot-2020-02-20-at-10.50.56-AM.png 940w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080709\/Screen-Shot-2020-02-20-at-10.50.56-AM-300x211.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080709\/Screen-Shot-2020-02-20-at-10.50.56-AM-768x541.png 768w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3821 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-10.54.15-AM.png\" alt=\"\" width=\"933\" height=\"638\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080755\/Screen-Shot-2020-02-20-at-10.54.15-AM.png 933w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080755\/Screen-Shot-2020-02-20-at-10.54.15-AM-300x205.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080755\/Screen-Shot-2020-02-20-at-10.54.15-AM-768x525.png 768w\" sizes=\"auto, (max-width: 933px) 100vw, 933px\" \/><\/p>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u516c\u958b\u3059\u308b\u305f\u3081\u306b&#8221;<strong>Review<\/strong>&#8220;\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3822 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-10.56.19-AM.png\" alt=\"\" width=\"940\" height=\"671\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080836\/Screen-Shot-2020-02-20-at-10.56.19-AM.png 940w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080836\/Screen-Shot-2020-02-20-at-10.56.19-AM-300x214.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080836\/Screen-Shot-2020-02-20-at-10.56.19-AM-768x548.png 768w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3824 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-10.55.31-AM-1024x663.png\" alt=\"\" width=\"1024\" height=\"663\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080911\/Screen-Shot-2020-02-20-at-10.55.31-AM-1024x663.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080911\/Screen-Shot-2020-02-20-at-10.55.31-AM-300x194.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080911\/Screen-Shot-2020-02-20-at-10.55.31-AM-768x497.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080911\/Screen-Shot-2020-02-20-at-10.55.31-AM.png 1143w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>&#8220;<strong>Publish<\/strong>&#8220;\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u30a2\u30d7\u30ea\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u7d50\u679c:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3825\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200219-173204-57-1-169x300.jpg\" alt=\"\" width=\"287\" height=\"510\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080936\/Screenshot_20200219-173204-57-1-169x300.jpg 169w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080936\/Screenshot_20200219-173204-57-1-576x1024.jpg 576w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080936\/Screenshot_20200219-173204-57-1-768x1365.jpg 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080936\/Screenshot_20200219-173204-57-1-864x1536.jpg 864w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080936\/Screenshot_20200219-173204-57-1.jpg 1080w\" sizes=\"auto, (max-width: 287px) 100vw, 287px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3826\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200219-173801-59-169x300.jpg\" alt=\"\" width=\"287\" height=\"510\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080953\/Screenshot_20200219-173801-59-169x300.jpg 169w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080953\/Screenshot_20200219-173801-59-576x1024.jpg 576w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080953\/Screenshot_20200219-173801-59-768x1365.jpg 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080953\/Screenshot_20200219-173801-59-864x1536.jpg 864w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07080953\/Screenshot_20200219-173801-59.jpg 1080w\" sizes=\"auto, (max-width: 287px) 100vw, 287px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3827\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200219-173901-61-169x300.jpg\" alt=\"\" width=\"287\" height=\"510\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081013\/Screenshot_20200219-173901-61-169x300.jpg 169w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081013\/Screenshot_20200219-173901-61-576x1024.jpg 576w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081013\/Screenshot_20200219-173901-61-768x1365.jpg 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081013\/Screenshot_20200219-173901-61-864x1536.jpg 864w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081013\/Screenshot_20200219-173901-61.jpg 1080w\" sizes=\"auto, (max-width: 287px) 100vw, 287px\" \/><\/p>\n<h2>IV. Cloud Message<\/h2>\n<h3>1. \u7d39\u4ecb<\/h3>\n<p class=\"p1\"><span class=\"s1\">Firebase Cloud Messaging (FCM)\u306f\u8cbb\u7528\u306a\u3057\u3067\u78ba\u5b9f\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5c4a\u3051\u308b\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30e1\u30c3\u30bb\u30fc\u30b8\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/span><span class=\"s1\">FCM\u3092\u4f7f\u7528\u3057\u3001\u30e1\u30fc\u30eb\u3084\u540c\u671f\u53ef\u80fd\u306a\u4ed6\u306e\u30c7\u30fc\u30bf\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u77e5\u3089\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30e6\u30fc\u30b6\u306e\u518d\u8a2a\u554f\u3084\u30a2\u30d7\u30ea\u306e\u4f7f\u7528\u3092\u7d99\u7d9a\u3055\u305b\u308b\u30d7\u30c3\u30b7\u30e5\u901a\u77e5\u3092\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30a4\u30f3\u30b9\u30bf\u30f3\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u30b1\u30fc\u30b9\u3068\u3057\u3066\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30a2\u30d7\u30ea\u306b4KB\u307e\u3067\u306epayload\u3067\u9001\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<br \/>\n<\/span><\/p>\n<h3>2. \u59cb\u3081\u65b9<\/h3>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 1<\/strong>:\u00a0\u201c<strong><span class=\"s2\">implementation <\/span><\/strong><span class=\"s3\"><strong>\u2018com.google.firebase:firebase-messaging:20.1.0\u2019<\/strong>\u00a0&#8220;\u3092&#8221;<strong>build.gradle<\/strong>&#8221; (app)\u306b\u8ffd\u52a0\u3059\u308b\u3002<\/span><span class=\"s3\">\u305d\u3057\u3066&#8221;<strong>Sync Now<\/strong>&#8220;\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3828 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.07.39-AM-63-1024x627.png\" alt=\"\" width=\"1024\" height=\"627\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081040\/Screen-Shot-2020-02-20-at-8.07.39-AM-63-1024x627.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081040\/Screen-Shot-2020-02-20-at-8.07.39-AM-63-300x184.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081040\/Screen-Shot-2020-02-20-at-8.07.39-AM-63-768x470.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081040\/Screen-Shot-2020-02-20-at-8.07.39-AM-63.png 1399w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 2<\/strong> : AndroidManifest\u30d5\u30a1\u30a4\u30eb\u306bfilter\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/span><\/p>\n<pre class=\"clear-for-copy\"><span class=\"tag\">&lt;service<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"atn\">android:name<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\".java.MyFirebaseMessagingService\"<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"atn\">android:exported<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"false\"<\/span><span class=\"tag\">&gt;<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"tag\">&lt;intent-filter&gt;<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span class=\"tag\">&lt;action<\/span> <span class=\"atn\">android:name<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"com.google.firebase.MESSAGING_EVENT\"<\/span> <span class=\"tag\">\/&gt;<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"tag\">&lt;\/intent-filter&gt;<\/span>\r\n<span class=\"tag\">&lt;\/service&gt;<\/span><\/pre>\n<p class=\"p1\"><span class=\"s1\"><span class=\"atv\">MyFirebaseMessagingService\u306f<\/span><\/span><em><span class=\"s2\">FirebaseMessagingService<\/span><\/em><span class=\"s1\">\u306e\u62e1\u5f35\u3067\u3059\u3002\u3053\u308c\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u30a2\u30d7\u30ea\u306bPush\u901a\u77e5\u3092\u53d7\u3051\u53d6\u308b\u4ee5\u5916\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6271\u3046\u3068\u304d\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u30d5\u30a9\u30a2\u30b0\u30e9\u30f3\u30c9\u3067Push\u901a\u77e5\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u306b\u306fPayload\u3067\u53d7\u3051\u53d6\u308a\u3001upstream messages\u3092\u9001\u308b\u306a\u3069\u3001\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3829 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.13.02-AM-65-1024x625.png\" alt=\"\" width=\"1024\" height=\"625\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081111\/Screen-Shot-2020-02-20-at-8.13.02-AM-65-1024x625.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081111\/Screen-Shot-2020-02-20-at-8.13.02-AM-65-300x183.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081111\/Screen-Shot-2020-02-20-at-8.13.02-AM-65-768x469.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081111\/Screen-Shot-2020-02-20-at-8.13.02-AM-65.png 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\">\u4eca<strong>line 23<\/strong>\u306b\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f<em>MyFirebaseMessagingService<\/em>\u30d5\u30a1\u30a4\u30eb\u304c\u306a\u3044\u305f\u3081\u306b\u767a\u751f\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u4f5c\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3830 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.16.28-AM-67.png\" alt=\"\" width=\"825\" height=\"241\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081137\/Screen-Shot-2020-02-20-at-8.16.28-AM-67.png 825w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081137\/Screen-Shot-2020-02-20-at-8.16.28-AM-67-300x88.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081137\/Screen-Shot-2020-02-20-at-8.16.28-AM-67-768x224.png 768w\" sizes=\"auto, (max-width: 825px) 100vw, 825px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3831 size-full alignleft\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.17.14-AM-69.png\" alt=\"\" width=\"351\" height=\"145\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081206\/Screen-Shot-2020-02-20-at-8.17.14-AM-69.png 351w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081206\/Screen-Shot-2020-02-20-at-8.17.14-AM-69-300x124.png 300w\" sizes=\"auto, (max-width: 351px) 100vw, 351px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3832 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.17.30-AM-71-1024x183.png\" alt=\"\" width=\"1024\" height=\"183\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081227\/Screen-Shot-2020-02-20-at-8.17.30-AM-71-1024x183.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081227\/Screen-Shot-2020-02-20-at-8.17.30-AM-71-300x54.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081227\/Screen-Shot-2020-02-20-at-8.17.30-AM-71-768x137.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081227\/Screen-Shot-2020-02-20-at-8.17.30-AM-71.png 1393w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\">.java.MyFirebaseMessagingService\u304b\u3089<em>&lt;package&gt;.MyFirebaseMessagingService<\/em>\u306bpackage name\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3833 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.24.31-AM-77-1024x627.png\" alt=\"\" width=\"1024\" height=\"627\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081251\/Screen-Shot-2020-02-20-at-8.24.31-AM-77-1024x627.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081251\/Screen-Shot-2020-02-20-at-8.24.31-AM-77-300x184.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081251\/Screen-Shot-2020-02-20-at-8.24.31-AM-77-768x470.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081251\/Screen-Shot-2020-02-20-at-8.24.31-AM-77.png 1399w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 3\u00a0<\/strong>(optional): \u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30a4\u30b3\u30f3\u3068\u8272\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u7279\u306bPush\u901a\u77e5\u3067\u5909\u66f4\u3057\u305f\u304f\u306a\u3051\u308c\u3070\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u3066\u826f\u3044\u3067\u3059\u3002<\/span><\/p>\n<blockquote>\n<pre class=\"clear-for-copy\"><span class=\"com\">&lt;!-- Set custom default icon. This is used when no icon is set for incoming notification messages.\r\n\u00a0 \u00a0 \u00a0See README(https:\/\/goo.gl\/l4GJaQ) for more. --&gt;<\/span>\r\n<span class=\"tag\">&lt;meta-data<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"atn\">android:name<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"com.google.firebase.messaging.default_notification_icon\"<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"atn\">android:resource<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@drawable\/ic_stat_ic_notification\"<\/span> <span class=\"tag\">\/&gt;<\/span>\r\n<span class=\"com\">&lt;!-- Set color used with incoming notification messages. This is used when no color is set for the incoming\r\n\u00a0 \u00a0 \u00a0notification message. See README(https:\/\/goo.gl\/6BKBk7) for more. --&gt;<\/span>\r\n<span class=\"tag\">&lt;meta-data<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"atn\">android:name<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"com.google.firebase.messaging.default_notification_color\"<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"atn\">android:resource<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@color\/colorAccent\"<\/span> <span class=\"tag\">\/&gt;<\/span><\/pre>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3834 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.36.41-AM-79-1024x627.png\" alt=\"\" width=\"1024\" height=\"627\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081324\/Screen-Shot-2020-02-20-at-8.36.41-AM-79-1024x627.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081324\/Screen-Shot-2020-02-20-at-8.36.41-AM-79-300x184.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081324\/Screen-Shot-2020-02-20-at-8.36.41-AM-79-768x470.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081324\/Screen-Shot-2020-02-20-at-8.36.41-AM-79.png 1399w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\"><strong>Step 4\u00a0<\/strong><\/span><span class=\"s2\">(Optional): Android 8.0 (API level 26)\u307e\u305f\u306f\u305d\u308c\u4ee5\u4e0a\u304b\u3089\u3001<a href=\"https:\/\/developer.android.com\/guide\/topics\/ui\/notifiers\/notifications.html#ManageChannels\"><span class=\"s3\">notification channels<\/span><\/a>\u306fsupported \u307e\u305f\u306frecommended\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002FCM\u306f\u57fa\u672c\u8a2d\u5b9a\u3068\u3057\u3066default notification channel\u306e\u4f7f\u7528\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3082\u3057\u65b0\u305f\u306bchannel\u3092<a href=\"https:\/\/developer.android.com\/guide\/topics\/ui\/notifiers\/notifications.html#CreateChannel\"><span class=\"s3\">\u4f5c\u308a\u305f\u3044<\/span><\/a>\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306echannel\u306b\u3057\u305f\u3044\u5834\u5408\u306fdefault_notification_channel_id\u306b\u81ea\u5206\u306e\u30c7\u30d5\u30a9\u30eb\u30c8channel\u3068\u3057\u3066push\u901a\u77e5channel\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5229\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\nFCM\u306fnotification channel\u304c\u660e\u793a\u7684\u306b\u30bb\u30c3\u30c8\u3055\u308c\u306a\u3044\u9650\u308a\u3053\u306e\u5024\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308a\u305f\u3051\u308c\u3070\u3001<a href=\"https:\/\/developer.android.com\/guide\/topics\/ui\/notifiers\/notifications.html#ManageChannels\"><span class=\"s3\">Manage notification channels<\/span><\/a><\/span>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><strong>res\/values\/strings.xml<\/strong>\u3092\u958b\u304d\u3001\u3053\u306e\u884c\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/li>\n<\/ul>\n<blockquote>\n<pre>&lt;string name=\"default_notification_channel_id\"&gt;1&lt;\/string&gt;<\/pre>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3835 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.44.38-AM-83-1024x350.png\" alt=\"\" width=\"1024\" height=\"350\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081349\/Screen-Shot-2020-02-20-at-8.44.38-AM-83-1024x350.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081349\/Screen-Shot-2020-02-20-at-8.44.38-AM-83-300x103.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081349\/Screen-Shot-2020-02-20-at-8.44.38-AM-83-768x263.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081349\/Screen-Shot-2020-02-20-at-8.44.38-AM-83.png 1395w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<ul>\n<li><span class=\"s1\"><strong>AndroidManifest<\/strong>\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/li>\n<\/ul>\n<blockquote>\n<pre class=\"clear-for-copy\"><span class=\"tag\">&lt;meta-data<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"atn\">android:name<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"com.google.firebase.messaging.default_notification_channel_id\"<\/span><span class=\"pln\">\r\n\u00a0 \u00a0 <\/span><span class=\"atn\">android:value<\/span><span class=\"pun\">=<\/span><span class=\"atv\">\"@string\/default_notification_channel_id\"<\/span> <span class=\"tag\">\/&gt;<\/span><\/pre>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3836 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.46.55-AM-85-1024x627.png\" alt=\"\" width=\"1024\" height=\"627\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081416\/Screen-Shot-2020-02-20-at-8.46.55-AM-85-1024x627.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081416\/Screen-Shot-2020-02-20-at-8.46.55-AM-85-300x184.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081416\/Screen-Shot-2020-02-20-at-8.46.55-AM-85-768x470.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081416\/Screen-Shot-2020-02-20-at-8.46.55-AM-85.png 1399w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p class=\"p1\"><span class=\"s1\">\u00a0<strong>Step 5<\/strong>: \u73fe\u5728\u306eregistration token\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081<strong>MainActivity<\/strong>\u3092\u958b\u304d\u3001\u3053\u306e\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/span><\/p>\n<blockquote>\n<pre>private fun createInstanceId() {\r\n    FirebaseInstanceId.getInstance().instanceId.addOnCompleteListener { task -&gt;\r\n        if (!task.isSuccessful) {\r\n            Log.w(TAG, \"getInstanceId failed\", task.exception)\r\n            return@addOnCompleteListener\r\n        }\r\n\r\n        \/\/get id Token\r\n        \/\/ Get new Instance ID token\r\n        val token = task.result?.token\r\n\r\n        \/\/ Log and toast\r\n        Log.d(TAG, \"token: $token\")\r\n        Toast.makeText(baseContext, \"token: $token\", Toast.LENGTH_SHORT).show()\r\n    }\r\n}<\/pre>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3837 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-8.56.08-AM-87-1024x626.png\" alt=\"\" width=\"1024\" height=\"626\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081446\/Screen-Shot-2020-02-20-at-8.56.08-AM-87-1024x626.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081446\/Screen-Shot-2020-02-20-at-8.56.08-AM-87-300x183.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081446\/Screen-Shot-2020-02-20-at-8.56.08-AM-87-768x469.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081446\/Screen-Shot-2020-02-20-at-8.56.08-AM-87.png 1399w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\">\u30a2\u30d7\u30ea\u3092\u52d5\u4f5c\u3055\u305b\u3001Firebase instance ID\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3838 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200220-125154-576x1024.jpg\" alt=\"\" width=\"576\" height=\"1024\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081508\/Screenshot_20200220-125154-576x1024.jpg 576w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081508\/Screenshot_20200220-125154-169x300.jpg 169w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081508\/Screenshot_20200220-125154-768x1365.jpg 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081508\/Screenshot_20200220-125154-864x1536.jpg 864w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081508\/Screenshot_20200220-125154.jpg 1080w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/p>\n<p><strong>Step 6<\/strong>: <strong>MyFirebaseMessagingService<\/strong>\u30af\u30e9\u30b9\u306b\u4e0b\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<blockquote>\n<pre>class MyFirebaseMessagingService : FirebaseMessagingService() {\r\n    companion object {\r\n        private val TAG = this::class.java.simpleName\r\n    }\r\n\r\n    override fun onNewToken(token: String) {\r\n        Log.d(TAG, \"Refreshed token: $token\")\r\n        super.onNewToken(token)\r\n    }\r\n\r\n    override fun onMessageReceived(remoteMessage: RemoteMessage) {\r\n        super.onMessageReceived(remoteMessage)\r\n        Log.d(TAG, \"From: ${remoteMessage.from}\")\r\n\r\n        remoteMessage.data.isNotEmpty().let {\r\n        }\r\n\r\n        remoteMessage.notification?.let {\r\n            Log.d(TAG, \"Message Notification Body: ${it.body}\")\r\n            it.body?.let { body -&gt;\r\n                sendNotification(body)\r\n            }\r\n        }\r\n    }\r\n\r\n    private fun sendNotification(messageBody: String) {\r\n        val intent = Intent(this, CloudMessageActivity::class.java)\r\n        intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP\r\n        val pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_ONE_SHOT)\r\n\r\n        val channelId = getString(R.string.default_notification_channel_id)\r\n        val defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)\r\n        val notificationBuilder = NotificationCompat.Builder(this, channelId)\r\n            .setSmallIcon(R.drawable.ic_notifications)\r\n            .setContentTitle(\"Mess Title\")\r\n            .setContentText(messageBody)\r\n            .setAutoCancel(true)\r\n            .setSound(defaultSoundUri)\r\n            .setContentIntent(pendingIntent)\r\n\r\n        val notificationManager =\r\n            getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager\r\n\r\n        if (Build.VERSION.SDK_INT &gt;= Build.VERSION_CODES.O) {\r\n            val channel = NotificationChannel(\r\n                channelId, \"Channel human readable title\",\r\n                NotificationManager.IMPORTANCE_DEFAULT\r\n            )\r\n            notificationManager.createNotificationChannel(channel)\r\n        }\r\n\r\n        notificationManager.notify(1, notificationBuilder.build())\r\n    }\r\n}<\/pre>\n<\/blockquote>\n<p><strong>Step 7<\/strong>: <strong>Cloud Messaging<\/strong>\u306e\u30c6\u30b9\u30c8<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3839 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-12.47.45-PM.png\" alt=\"\" width=\"745\" height=\"573\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081528\/Screen-Shot-2020-02-20-at-12.47.45-PM.png 745w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081528\/Screen-Shot-2020-02-20-at-12.47.45-PM-300x231.png 300w\" sizes=\"auto, (max-width: 745px) 100vw, 745px\" \/><\/p>\n<p><strong>Notification<\/strong>\u00a0<strong>Title<\/strong>, <strong>text<\/strong> \u3068 <strong>image<\/strong> (optional)\u3092\u5165\u529b\u3057\u307e\u3059\u3002 ex:\u00a0https:\/\/cdn.pixabay.com\/photo\/2017\/07\/07\/02\/05\/symbol-2480161_960_720.png and send test message.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3840 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-1.00.12-PM.png\" alt=\"\" width=\"940\" height=\"686\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081545\/Screen-Shot-2020-02-20-at-1.00.12-PM.png 940w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081545\/Screen-Shot-2020-02-20-at-1.00.12-PM-300x219.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081545\/Screen-Shot-2020-02-20-at-1.00.12-PM-768x560.png 768w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><\/p>\n<ul>\n<li><strong>Logcat<\/strong> (step 5)\u304b\u3089token\u3092\u53d6\u5f97\u3057\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3841 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-1.07.28-PM.png\" alt=\"\" width=\"941\" height=\"692\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081608\/Screen-Shot-2020-02-20-at-1.07.28-PM.png 941w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081608\/Screen-Shot-2020-02-20-at-1.07.28-PM-300x221.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081608\/Screen-Shot-2020-02-20-at-1.07.28-PM-768x565.png 768w\" sizes=\"auto, (max-width: 941px) 100vw, 941px\" \/><\/p>\n<ul>\n<li><strong>\u7d50\u679c<\/strong>:<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3842 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200220-141558-576x1024.jpg\" alt=\"\" width=\"576\" height=\"1024\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081635\/Screenshot_20200220-141558-576x1024.jpg 576w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081635\/Screenshot_20200220-141558-169x300.jpg 169w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081635\/Screenshot_20200220-141558-768x1365.jpg 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081635\/Screenshot_20200220-141558-864x1536.jpg 864w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081635\/Screenshot_20200220-141558.jpg 1080w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/p>\n<p><strong>Step 7<\/strong>: \u4f5c\u6210\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1<\/p>\n<p>\u30c6\u30b9\u30c8\u304c\u6210\u529f\u3057\u305f\u5f8c\u3067\u3001\u7d9a\u3051\u308b\u305f\u3081\u306b&#8221;<strong>Next<\/strong>&#8220;\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3843 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-2.22.42-PM.png\" alt=\"\" width=\"936\" height=\"511\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081717\/Screen-Shot-2020-02-20-at-2.22.42-PM.png 936w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081717\/Screen-Shot-2020-02-20-at-2.22.42-PM-300x164.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081717\/Screen-Shot-2020-02-20-at-2.22.42-PM-768x419.png 768w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3844 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-2.25.56-PM.png\" alt=\"\" width=\"939\" height=\"639\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081729\/Screen-Shot-2020-02-20-at-2.25.56-PM.png 939w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081729\/Screen-Shot-2020-02-20-at-2.25.56-PM-300x204.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081729\/Screen-Shot-2020-02-20-at-2.25.56-PM-768x523.png 768w\" sizes=\"auto, (max-width: 939px) 100vw, 939px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3845 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-2.23.43-PM.png\" alt=\"\" width=\"944\" height=\"644\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081755\/Screen-Shot-2020-02-20-at-2.23.43-PM.png 944w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081755\/Screen-Shot-2020-02-20-at-2.23.43-PM-300x205.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081755\/Screen-Shot-2020-02-20-at-2.23.43-PM-768x524.png 768w\" sizes=\"auto, (max-width: 944px) 100vw, 944px\" \/><\/p>\n<ul>\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081&#8221;<strong>Publish<\/strong>&#8220;\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>\u7d50\u679c<\/strong>:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3846\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200220-144456_One-UI-Home-300x255.jpg\" alt=\"\" width=\"412\" height=\"350\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081831\/Screenshot_20200220-144456_One-UI-Home-300x255.jpg 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081831\/Screenshot_20200220-144456_One-UI-Home-1024x869.jpg 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081831\/Screenshot_20200220-144456_One-UI-Home-768x652.jpg 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081831\/Screenshot_20200220-144456_One-UI-Home.jpg 1076w\" sizes=\"auto, (max-width: 412px) 100vw, 412px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3847\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200220-144505-242x300.png\" alt=\"\" width=\"282\" height=\"350\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081852\/Screenshot_20200220-144505-242x300.png 242w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081852\/Screenshot_20200220-144505-824x1024.png 824w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081852\/Screenshot_20200220-144505-768x954.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081852\/Screenshot_20200220-144505.png 1062w\" sizes=\"auto, (max-width: 282px) 100vw, 282px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3848\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200220-144509-169x300.jpg\" alt=\"\" width=\"208\" height=\"370\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081914\/Screenshot_20200220-144509-169x300.jpg 169w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081914\/Screenshot_20200220-144509-576x1024.jpg 576w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081914\/Screenshot_20200220-144509-768x1365.jpg 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081914\/Screenshot_20200220-144509-864x1536.jpg 864w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07081914\/Screenshot_20200220-144509.jpg 1080w\" sizes=\"auto, (max-width: 208px) 100vw, 208px\" \/><\/p>\n<h2>V. Realtime Database<\/h2>\n<h3>1. \u7d39\u4ecb<\/h3>\n<p>Firebase Realtime Database\u306f\u30af\u30e9\u30a6\u30c9\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u3002\u30c7\u30fc\u30bf\u306fJson\u5f62\u5f0f\u3067\u4fdd\u5b58\u3055\u308c\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u6bce\u56de\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u540c\u671f\u3055\u308c\u307e\u3059\u3002iOS, Android JavaScript SDK\u3092\u4f7f\u3063\u305f\u3042\u306a\u305f\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30a2\u30d7\u30ea\u306frealtime database instance\u306b\u540c\u671f\u3055\u308c\u3001\u81ea\u52d5\u3067\u6700\u65b0\u306e\u30c7\u30fc\u30bf\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>2. Get start<\/h3>\n<p><span class=\"s1\"><strong>Step 1<\/strong>:\u00a0<\/span>&#8220;build.gradle&#8221;\u306b\u201c<strong>implementation &#8216;com.google.firebase:firebase-database:19.2.1&#8217;<\/strong>\u00a0&#8221; (app)\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u305d\u3057\u3066&#8221;<b>Sync Now<\/b>&#8220;\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<p><span class=\"s3\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3849 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-3.26.15-PM-1024x382.png\" alt=\"\" width=\"1024\" height=\"382\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082008\/Screen-Shot-2020-02-20-at-3.26.15-PM-1024x382.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082008\/Screen-Shot-2020-02-20-at-3.26.15-PM-300x112.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082008\/Screen-Shot-2020-02-20-at-3.26.15-PM-768x286.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082008\/Screen-Shot-2020-02-20-at-3.26.15-PM.png 1379w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/span><\/p>\n<p><strong>Step 2<\/strong>: \u30c6\u30b9\u30c8\u306e\u305f\u3081\u306brealtime database\u306erules\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3851 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-3.38.14-PM-1024x541.png\" alt=\"\" width=\"1024\" height=\"541\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082049\/Screen-Shot-2020-02-20-at-3.38.14-PM-1024x541.png 1024w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082049\/Screen-Shot-2020-02-20-at-3.38.14-PM-300x159.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082049\/Screen-Shot-2020-02-20-at-3.38.14-PM-768x406.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082049\/Screen-Shot-2020-02-20-at-3.38.14-PM.png 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>realtime database\u306erules\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/firebase.google.com\/docs\/database\/security\/quickstart#sample-rules%22\">\u3053\u3061\u3089<\/a>\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><strong>Step 3<\/strong>: UserModel\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<blockquote>\n<pre>data class UserModel(\r\n    var id: String = \"\",\r\n    var name: String = \"\",\r\n    var age: Int = 0,\r\n    var email: String = \"\"\r\n) {\r\n    override fun toString(): String {\r\n        return \"UserModel(id='$id', name='$name', age=$age, email='$email')\"\r\n    }\r\n}\r\n<\/pre>\n<\/blockquote>\n<p><strong>Step 4<\/strong>: 3\u3064\u306e\u9805\u76ee(name, age and email)\u304c\u3042\u308bLayout\u3092\u4f5c\u6210\u3057\u3001User data\u3092\u542b\u3081\u308b\u305f\u3081\u306b1\u3064\u306erecycler view\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<br \/>\n\u3053\u308c\u304c\u4f5c\u6210\u3057\u305flayout\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3852 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200220-160304-492x1024.png\" alt=\"\" width=\"492\" height=\"1024\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082107\/Screenshot_20200220-160304-492x1024.png 492w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082107\/Screenshot_20200220-160304-144x300.png 144w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082107\/Screenshot_20200220-160304-768x1597.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082107\/Screenshot_20200220-160304-739x1536.png 739w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082107\/Screenshot_20200220-160304-985x2048.png 985w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082107\/Screenshot_20200220-160304.png 1080w\" sizes=\"auto, (max-width: 492px) 100vw, 492px\" \/><\/p>\n<p><strong>Step 5:<\/strong><br \/>\n\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\u6700\u521d\u306b<em>databaseReference<\/em>\u3092\u521d\u671f\u5316\u3057\u307e\u3059\u3002<\/p>\n<blockquote>\n<pre>private fun initDatabase() {\r\n    databaseReference = FirebaseDatabase.getInstance().reference\r\n}<\/pre>\n<\/blockquote>\n<p>\u6b21\u306b\u3001\u5165\u529b\u3057\u305f\u5024\u3092\u53d6\u5f97\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<blockquote>\n<pre>private fun insertUser() {\r\n    if (edt_name.text.isNullOrEmpty() || edt_age.text.isNullOrEmpty() || edt_email.text.isNullOrEmpty()) {\r\n        Toast.makeText(this, \"Some field are missing.\", Toast.LENGTH_SHORT).show()\r\n        return\r\n    }\r\n\r\n    \/\/get key\r\n    val key = databaseReference.child(\"User\").push().key\r\n\r\n    \/\/get user data from edit text\r\n    val user = UserModel(\r\n        name = edt_name.text.toString(),\r\n        age = edt_age.text.toString().toInt(),\r\n        email = edt_email.text.toString()\r\n    )\r\n\r\n    key?.let {\r\n        user.id = key\r\n\r\n        \/\/ Write a data to the database\r\n        databaseReference.child(\"User\").child(key).setValue(user).addOnSuccessListener {\r\n            clearText()\r\n            \/\/get user data from database\r\n            getUser()\r\n            \/\/scroll to new item\r\n            recycler_user.scrollToPosition(recyclerAdapter.userList.size - 1)\r\n        }\r\n            .addOnFailureListener {\r\n                Toast.makeText(this, \"Upload Error\", Toast.LENGTH_SHORT).show()\r\n            }\r\n    }\r\n}<\/pre>\n<\/blockquote>\n<p>Insert\u30dc\u30bf\u30f3\u306e\u30a4\u30d9\u30f3\u30c8\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<blockquote>\n<pre>btn_insert.setOnClickListener {\r\n    insertUser()\r\n}<\/pre>\n<\/blockquote>\n<p>\u30a2\u30d7\u30ea\u306e&#8221;<strong>Insert<\/strong>&#8220;\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u5f8c\u3067\u3001\u30c7\u30fc\u30bf\u306f\u3059\u3050\u306bFirebase\u306b\u9001\u3089\u308c\u307e\u3059\u3002<\/p>\n<pre><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3853 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-4.36.54-PM.png\" alt=\"\" width=\"960\" height=\"409\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082139\/Screen-Shot-2020-02-20-at-4.36.54-PM.png 960w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082139\/Screen-Shot-2020-02-20-at-4.36.54-PM-300x128.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082139\/Screen-Shot-2020-02-20-at-4.36.54-PM-768x327.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/pre>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f:<\/strong><\/p>\n<blockquote>\n<pre>databaseReference.child(\"User\").addValueEventListener(object : ValueEventListener {\r\n    override fun onCancelled(dataError: DatabaseError) {\r\n        Toast.makeText(this@DataBaseActivity, \"Upload Error\", Toast.LENGTH_SHORT).show()\r\n    }\r\n\r\n    override fun onDataChange(dataSnapshot: DataSnapshot) {\r\n        \r\n        \/\/get user list from database\r\n        val list = dataSnapshot.children.mapNotNull {\r\n            it.getValue(UserModel::class.java)\r\n        }\r\n        list.forEach {\r\n            Log.i(\"Users\", it.toString())\r\n        }\r\n        \/\/add to recycler view\r\n        if (list.isNotEmpty()) {\r\n            recyclerAdapter.userList.clear()\r\n            recyclerAdapter.userList.addAll(list)\r\n            recyclerAdapter.notifyDataSetChanged()\r\n        }\r\n    }\r\n})<\/pre>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3854 size-large\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screenshot_20200221-082417-492x1024.png\" alt=\"\" width=\"492\" height=\"1024\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082214\/Screenshot_20200221-082417-492x1024.png 492w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082214\/Screenshot_20200221-082417-144x300.png 144w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082214\/Screenshot_20200221-082417-768x1597.png 768w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082214\/Screenshot_20200221-082417-739x1536.png 739w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082214\/Screenshot_20200221-082417-985x2048.png 985w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082214\/Screenshot_20200221-082417.png 1080w\" sizes=\"auto, (max-width: 492px) 100vw, 492px\" \/><\/p>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u66f4\u65b0:<\/strong><\/p>\n<blockquote>\n<pre>private fun updateUser() {\r\n    user?.let {\r\n        \/\/create new user object\r\n        val user = UserModel(\r\n            it.id,\r\n            edt_name.text.toString(),\r\n            edt_age.text.toString().toInt(),\r\n            edt_email.text.toString()\r\n        )\r\n        \/\/update user\r\n        databaseReference.child(\"User\/${it.id}\").setValue(user)\r\n    }\r\n}<\/pre>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3855 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-5.13.21-PM.png\" alt=\"\" width=\"951\" height=\"462\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082239\/Screen-Shot-2020-02-20-at-5.13.21-PM.png 951w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082239\/Screen-Shot-2020-02-20-at-5.13.21-PM-300x146.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082239\/Screen-Shot-2020-02-20-at-5.13.21-PM-768x373.png 768w\" sizes=\"auto, (max-width: 951px) 100vw, 951px\" \/><\/p>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u524a\u9664<\/strong>:<\/p>\n<blockquote>\n<pre>private fun deleteUser() {\r\n    \/\/ get user id\r\n    val query =\r\n        databaseReference.child(\"User\").orderByChild(\"id\").equalTo(user?.id)\r\n\r\n    query.addListenerForSingleValueEvent(object : ValueEventListener {\r\n        override fun onDataChange(dataSnapshot: DataSnapshot) {\r\n            for (user in dataSnapshot.children) {\r\n                \/\/remove user\r\n                user.ref.removeValue().addOnSuccessListener {\r\n                    clearText()\r\n                }\r\n            }\r\n        }\r\n\r\n        override fun onCancelled(databaseError: DatabaseError) {\r\n            Log.e(\r\n                TAG,\r\n                \"onCancelled\",\r\n                databaseError.toException()\r\n            )\r\n        }\r\n    })\r\n    getUser()\r\n}<\/pre>\n<\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3856 size-full\" src=\"https:\/\/briswell-vn.com\/wp-content\/uploads\/2020\/02\/Screen-Shot-2020-02-20-at-5.14.08-PM.png\" alt=\"\" width=\"953\" height=\"396\" srcset=\"https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082302\/Screen-Shot-2020-02-20-at-5.14.08-PM.png 953w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082302\/Screen-Shot-2020-02-20-at-5.14.08-PM-300x125.png 300w, https:\/\/s3-ap-southeast-1.amazonaws.com\/homepage-media\/wp-content\/uploads\/2020\/02\/07082302\/Screen-Shot-2020-02-20-at-5.14.08-PM-768x319.png 768w\" sizes=\"auto, (max-width: 953px) 100vw, 953px\" \/><\/p>\n<h2>VI. \u53c2\u8003\u6587\u732e<\/h2>\n<p><a href=\"https:\/\/firebase.google.com\/docs\/guides\">https:\/\/firebase.google.com\/docs\/guides<\/a><\/p>\n<p><a href=\"https:\/\/github.com\/firebase\/quickstart-android\/blob\/995be41782f84b3c54e41d7d7e5d3a5048fe329e\/messaging\/app\/src\/main\/java\/com\/google\/firebase\/quickstart\/fcm\/kotlin\/MyFirebaseMessagingService.kt#L65-L77\">https:\/\/github.com\/firebase\/quickstart-android\/blob\/995be41782f84b3c54e41d7d7e5d3a5048fe329e\/messaging\/app\/src\/main\/java\/com\/google\/firebase\/quickstart\/fcm\/kotlin\/MyFirebaseMessagingService.kt#L65-L77<\/a><\/p>\n<p><a href=\"https:\/\/proandroiddev.com\/firebase-android-playground-realtime-database-560d4e18404a\">https:\/\/proandroiddev.com\/firebase-android-playground-realtime-database-560d4e18404a<\/a><\/p>\n<p><a href=\"https:\/\/www.learnhowtoprogram.com\/android\/data-persistence\/firebase-reading-data-and-event-listeners\">https:\/\/www.learnhowtoprogram.com\/android\/data-persistence\/firebase-reading-data-and-event-listeners<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Firebase I.\u00a0Firebase\u3068\u306f Google Firebase\u306fGoogle\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u958b\u767a\u8005\u304c [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4029,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"footnotes":""},"categories":[4,71],"tags":[],"class_list":["post-3053","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-it-tec"],"_links":{"self":[{"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/posts\/3053","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/comments?post=3053"}],"version-history":[{"count":0,"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/posts\/3053\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/media\/4029"}],"wp:attachment":[{"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/media?parent=3053"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/categories?post=3053"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.briswell-vn.com\/ja\/wp-json\/wp\/v2\/tags?post=3053"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}