GCM Notification android

Today i am going to show you how to send notification in all registered devices using GCM. Prerequisites    1) API-KEY  2) SENDER ID ...

Today i am going to show you how to send notification in all registered devices using GCM.

Prerequisites  

1) API-KEY 
2) SENDER ID
3) google-service.json    Note :- This file is genereted by google
4) Device id 

STEP 1 : Required Key process

GOTO THIS LINK and register your app make sure your package name is right. Copy from androidManifest.xml file.

In my case my package name is =  com.example.androiddeveloper.notificationdemo

After adding App name and package name and goto the next page.

ENABLE  Cloud messing service So you can get the API KEY and SENDER ID.

Now you have a  1) API-KEY  2) SENDER ID 3) google-service.json

You can get  (4)Device id  later in coding part. 


STEP 2 :-  CODING PART

Copy  google-service.json in your app folder.

Before we start coding part add API KEY and SENDER ID in your string .xml

Note :- And do not changed string name 

ADD THIS  LINE IN YOUR Module:App

compile "com.google.android.gms:play-services-gcm:8.4.0"

This is for google  play service.

My gradle file

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apply plugin: 'com.android.application' android { compileSdkVersion 23 buildToolsVersion "23.0.2" defaultConfig { applicationId "com.example.androiddeveloper.notifydemo" minSdkVersion 14 targetSdkVersion 23 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:23.2.0' compile "com.google.android.gms:play-services-gcm:8.4.0" }

Compare  your AndroidManifest file with mine

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<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.androiddeveloper.notificationdemo"> <uses-permission android:name="android.permission.INTERNET" /> <permission android:name="com.example.androiddeveloper.notificationdemo.permission.C2D_MESSAGE" android:protectionLevel="signature" /> <uses-permission android:name="com.example.androiddeveloper.notificationdemo.permission.C2D_MESSAGE" /> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".LoginActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <!-- This is default reciever, If you need your reciever then impliment it using below code --> <receiver android:name="com.google.android.gms.gcm.GcmReceiver" android:exported="true" android:permission="com.google.android.c2dm.permission.SEND"> <intent-filter> <action android:name="com.google.android.c2dm.intent.RECEIVE" /> <category android:name="com.example.gcm" /> </intent-filter> </receiver> <!-- Make service by extending GcmListenerService --> <service android:name=".MyGcmListenerService" android:exported="false"> <intent-filter> <action android:name="com.google.android.c2dm.intent.RECEIVE" /> </intent-filter> </service> <activity android:name=".MainActivity"></activity> </application> </manifest>

Note :- Do not forget to change your package name with mine 

Add this code for get RegID or GCM ID or Device id 

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  try {
          InstanceID instanceID = InstanceID.getInstance(getApplicationContext());
          GCMId = instanceID.getToken("3608079128",GoogleCloudMessaging.INSTANCE_ID_SCOPE, null);
                   
      } catch (IOException e) {
           e.printStackTrace();
       }

  Log.d(TAG, "GCM_ID : "+ GCMId);