BroadcastReceiver Android

BroadcastReceiver Android
Demo send & get data between 2 application via BroadcastReceiver
First App
Manifest

<receiver android:name="MyReceiver">
    <intent-filter>
        <action android:name="com.android.abc.demo">
        </action>
    </intent-filter>
</receiver>

public class MyReceiver extends BroadcastReceiver {
    @Override 

 public void onReceive(Context context, Intent intent) {
        Toast.makeText(context, "Start send data...", Toast.LENGTH_SHORT).show();
        Intent i = new Intent();
        i.setAction("android.intent.action.demo");
        i.putExtra("user", "userName");
        i.putExtra("pass", "PassWord");
        context.sendBroadcast(i);
    }
}
 

Second App

public class MainActivity extends AppCompatActivity {
    private BroadcastReceiver ReceivefromService = new BroadcastReceiver() {
        @Override 

 public void onReceive(Context context, Intent intent) {
            //get the data using the keys you entered at the service 

 Toast.makeText(context,intent.getAction(),Toast.LENGTH_SHORT).show();
            String user = intent.getStringExtra("user");// 

 String pass = intent.getStringExtra("pass");

            tvGetdata.setText(user + "\n" + pass);
        }
    };
    TextView tvGetdata;
    Button button;
    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tvGetdata = (TextView) findViewById(R.id.tvGetdata);
        button=(Button)findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override 

 public void onClick(View view) {
                Intent intent = new Intent();
                intent.setAction("com.android.abc.demo");
                sendBroadcast(intent);
            }
        });
        IntentFilter in = new IntentFilter();
        in.addAction("android.intent.action.demo");
        registerReceiver(ReceivefromService,in);

    }
}