BroadcastReceiver Tutorial Part 5

Broadcast receiving app: AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.codinginflow.broadcastexample">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <receiver android:name=".OrderedReceiver2">
            <intent-filter android:priority="2">
                <action android:name="com.codinginflow.EXAMPLE_ACTION" />
            </intent-filter>
        </receiver>
        <receiver android:name=".OrderedReceiver3">
            <intent-filter android:priority="3">
                <action android:name="com.codinginflow.EXAMPLE_ACTION" />
            </intent-filter>
        </receiver>
    </application>

</manifest>

Broadcast receiving app: MainActivity.java

package com.codinginflow.broadcastexample;

import android.content.IntentFilter;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity {
    OrderedReceiver1 orderedReceiver1 = new OrderedReceiver1();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        IntentFilter filter = new IntentFilter("com.codinginflow.EXAMPLE_ACTION");
        filter.setPriority(1);
        registerReceiver(orderedReceiver1, filter);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        unregisterReceiver(orderedReceiver1);
    }
}

Broadcast receiving app: OrderedReceiver1.java

package com.codinginflow.broadcastexample;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Toast;

public class OrderedReceiver1 extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        int resultCode = getResultCode();
        String resultData = getResultData();
        Bundle resultExtras = getResultExtras(true);
        String stringExtra = resultExtras.getString("stringExtra");

        resultCode++;
        stringExtra += "->OR1";

        String toastText = "OR1\n" +
                "resultCode: " + resultCode + "\n" +
                "resultData: " + resultData + "\n" +
                "stringExtra: " + stringExtra;

        Toast.makeText(context, toastText, Toast.LENGTH_LONG).show();

        resultData = "OR1";
        resultExtras.putString("stringExtra", stringExtra);

        setResult(resultCode, resultData, resultExtras);
    }
}

Broadcast receiving app: OrderedReceiver2.java

package com.codinginflow.broadcastexample;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Toast;

public class OrderedReceiver2 extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        int resultCode = getResultCode();
        String resultData = getResultData();
        Bundle resultExtras = getResultExtras(true);
        String stringExtra = resultExtras.getString("stringExtra");

        resultCode++;
        stringExtra += "->OR2";

        String toastText = "OR2\n" +
                "resultCode: " + resultCode + "\n" +
                "resultData: " + resultData + "\n" +
                "stringExtra: " + stringExtra;

        Toast.makeText(context, toastText, Toast.LENGTH_LONG).show();

        resultData = "OR2";
        resultExtras.putString("stringExtra", stringExtra);

        setResult(resultCode, resultData, resultExtras);

        abortBroadcast();
    }
}

Broadcast receiving app: OrderedReceiver3.java

package com.codinginflow.broadcastexample;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Toast;

public class OrderedReceiver3 extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        int resultCode = getResultCode();
        String resultData = getResultData();
        Bundle resultExtras = getResultExtras(true);
        String stringExtra = resultExtras.getString("stringExtra");

        resultCode++;
        stringExtra += "->OR3";

        String toastText = "OR3\n" +
                "resultCode: " + resultCode + "\n" +
                "resultData: " + resultData + "\n" +
                "stringExtra: " + stringExtra;

        Toast.makeText(context, toastText, Toast.LENGTH_LONG).show();

        resultData = "OR3";
        resultExtras.putString("stringExtra", stringExtra);

        setResult(resultCode, resultData, resultExtras);
    }
}

Broadcast sending app (BroadcastSender): activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:orientation="vertical"
    android:padding="16dp"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Message"
        android:textSize="20sp" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onClick="sendBroadcast"
        android:text="Send Broadcast" />

</LinearLayout>

Broadcast sending app (BroadcastSender): AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.codinginflow.broadcastsender">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <receiver android:name=".SenderReceiver" />
    </application>

</manifest>

Broadcast sending app (BroadcastSender): MainActivity.java

package com.codinginflow.broadcastsender;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    private TextView textView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        textView = findViewById(R.id.text_view);
    }

    public void sendBroadcast(View v) {
        Intent intent = new Intent("com.codinginflow.EXAMPLE_ACTION");

        intent.setPackage("com.codinginflow.broadcastexample");

        Bundle extras = new Bundle();
        extras.putString("stringExtra", "Start");

        sendOrderedBroadcast(intent, null, new SenderReceiver(),
                null, 0, "Start", extras);
    }
}

Broadcast sending app (BroadcastSender): SenderReceiver.java

package com.codinginflow.broadcastsender;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Toast;

public class SenderReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        int resultCode = getResultCode();
        String resultData = getResultData();
        Bundle resultExtras = getResultExtras(true);
        String stringExtra = resultExtras.getString("stringExtra");

        resultCode++;
        stringExtra += "->SenderReceiver";

        String toastText = "SenderReceiver\n" +
                "resultCode: " + resultCode + "\n" +
                "resultData: " + resultData + "\n" +
                "stringExtra: " + stringExtra;

        Toast.makeText(context, toastText, Toast.LENGTH_LONG).show();

        resultData = "SenderReceiver";
        resultExtras.putString("stringExtra", stringExtra);

        setResult(resultCode, resultData, resultExtras);
    }
}