Android监听电话

public class PhoneBroadcast extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        Log.e("onReceive", "onReceive    action" + intent.getAction());

        if (intent.getAction().equals("test")) {
            Log.e("test", "test");
            TelephonyManager tm = (TelephonyManager) context
                    .getSystemService(Context.TELEPHONY_SERVICE);

            PhoneStateListener listener = new PhoneStateListener() {
                @Override
                public void onCallStateChanged(int state, String incomingNumber) {
                    if (state != TelephonyManager.CALL_STATE_IDLE) {
                        Log.e("pause", "pause");
                    } else {
                        Log.e("start", "start");
                    }

                    super.onCallStateChanged(state, incomingNumber);
                }
            };
            // 监听电话的状态
            tm.listen(listener, PhoneStateListener.LISTEN_CALL_STATE);

        }
    }
}

MainActivity

public class MainActivity extends Activity {
private　PhoneBroadcast phone = new PhoneBroadcast();

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

@Override
public void onResume(){
  　　 super.onResume();
  　　 IntentFilter filter = new IntentFilter();
　　　 filter.addAction("test");
　　　 registerReceiver(phone, filter);
 　 　Intent intent1 = new Intent("test");
　　  sendBroadcast(intent1);
}

@Override
public void onPause(){
　　super.onPause();
unregisterReceiver(phone);
}

}

AndroidMenifest.xml

 <receiver android:name="com.example.broadcasttest.PhoneBroadcast" >
        </receiver>

权限

<uses-permission android:name="android.permission.READ_PHONE_STATE" >
</uses-permission>
<uses-permission android:name="android.permission.CALL_PHONE" >
</uses-permission>