دسترسی به رخدادهای سیستمی گوشی

public class MyReceiver extends BroadcastReceiver {

   @Override

   public void onReceive(Context context, Intent intent) {

      Toast.makeText(context, "Intent Detected.", Toast.LENGTH_LONG).show();

   }

}

 <application

   android:icon="@drawable/ic_launcher"

   android:label="@string/app_name"

   android:theme="@style/AppTheme" >

   <receiver android:name="MyReceiver">

      <intent-filter>

         <action android:name="android.intent.action.BOOT_COMPLETED">

         </action>

      </intent-filter>

   </receiver>

</application>

public void broadcastIntent(View view) {

   Intent intent = new Intent();

   intent.setAction("com.tutorialspoint.CUSTOM_INTENT");

   sendBroadcast(intent);

}

<application

   android:icon="@drawable/ic_launcher"

   android:label="@string/app_name"

   android:theme="@style/AppTheme" >

   <receiver android:name="MyReceiver">

      <intent-filter>

         <action android:name="com.tutorialspoint.CUSTOM_INTENT">

         </action>

      </intent-filter>

   </receiver>

</application>

package com.example.tutorialspoint7.myapplication;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

public class MainActivity extends Activity {

   /** Called when the activity is first created. */

   @Override

   public void onCreate(Bundle savedInstanceState) {

      super.onCreate(savedInstanceState);

      setContentView(R.layout.activity_main);

   }

   // broadcast a custom intent.

   public void broadcastIntent(View view){

      Intent intent = new Intent();

      intent.setAction("com.tutorialspoint.CUSTOM_INTENT"); sendBroadcast(intent);

   }

}

package com.example.tutorialspoint7.myapplication;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.widget.Toast;

/**

* Created by TutorialsPoint7 on 8/23/2016.

*/

public class MyReceiver extends BroadcastReceiver{

   @Override

   public void onReceive(Context context, Intent intent) {

      Toast.makeText(context, "Intent Detected.", Toast.LENGTH_LONG).show();

   }

}

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

   package="com.example.tutorialspoint7.myapplication">

   <application

      android:allowBackup="true"

      android:icon="@mipmap/ic_launcher"

      android:label="@string/app_name"

      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="MyReceiver">

         <intent-filter>

            <action android:name="com.tutorialspoint.CUSTOM_INTENT">

            </action>

         </intent-filter>

      </receiver>

   </application>

</manifest>

<RelativeLayout

   xmlns:android="http://schemas.android.com/apk/res/android"

   xmlns:tools="http://schemas.android.com/tools"

   android:layout_width="match_parent"

   android:layout_height="match_parent"

   android:paddingLeft="@dimen/activity_horizontal_margin"

   android:paddingRight="@dimen/activity_horizontal_margin"

   android:paddingTop="@dimen/activity_vertical_margin"

   android:paddingBottom="@dimen/activity_vertical_margin"

   tools:context=".MainActivity">

   <TextView

      android:id="@+id/textView1"

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"

      android:text="Example of Broadcast"

      android:layout_alignParentTop="true"

      android:layout_centerHorizontal="true"

      android:textSize="30dp" />

   <TextView

      android:id="@+id/textView2"

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"

      android:text="Tutorials point "

      android:textColor="#ff87ff09"

      android:textSize="30dp"

      android:layout_above="@+id/imageButton"

      android:layout_centerHorizontal="true"

      android:layout_marginBottom="40dp" />

   <ImageButton

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"

      android:id="@+id/imageButton"

      android:src="@drawable/abc"

      android:layout_centerVertical="true"

      android:layout_centerHorizontal="true" />

   <Button

      android:layout_width="wrap_content"

      android:layout_height="wrap_content"

      android:id="@+id/button2"

      android:text="Broadcast Intent"

      android:onClick="broadcastIntent"

      android:layout_below="@+id/imageButton"

      android:layout_centerHorizontal="true" />

</RelativeLayout>