Android Broadcastreceiver正在创建TelephonyManager的多个实例
这是我的收音机Android Broadcastreceiver正在创建TelephonyManager的多个实例,android,broadcastreceiver,telephonymanager,Android,Broadcastreceiver,Telephonymanager,这是我的收音机 public class PlayAudio extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); tm.l
public class PlayAudio extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
tm.listen(new CustomPhoneStateListener(context), PhoneStateListener.LISTEN_CALL_STATE);
}
}
这是我的自定义PhoneStateListener类
public class CustomPhoneStateListener extends PhoneStateListener {
Context context;
public CustomPhoneStateListener(Context context) {
super();
this.context = context;
}
@Override
public void onCallStateChanged(int state, String incomingNumber) {
super.onCallStateChanged(state, incomingNumber);
switch (state) {
case TelephonyManager.CALL_STATE_IDLE:
Log.d("PHONEA", "IDLE");
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
Log.d("PHONEA", "OFFHOOK");
break;
case TelephonyManager.CALL_STATE_RINGING:
Log.d("PHONEA", "RINGING");
Intent intent = new Intent(this.context, AudioService.class);
context.startService(intent);
break;
default:
break;
}
}
}
这是我的服务
public class AudioService extends Service{
private static final String TAG = "PHONEA";
MediaPlayer player;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
Log.d(TAG, "onCreate -> TODO");
}
}
我的问题是,每次在广播接收器中接收数据时,我都会创建一个新的TelephonyManager
实例。因此,当我第一次看到logcat时,我听到“铃声”,第二次听到“铃声”“铃声”等等。我应该在什么时候创建我的telephonylistener
,以便只有一个实例
问候,,
Nicos每次电话状态改变时,您都会收到对方的来电(假设您正在收听PhoneState)
您应该检查一下您的接收器,并仅第一次安装
TelephonyManager
既然我是一个noob,你能给我一个简单的演示如何做到这一点吗?取任意布尔值,检查它是否为false,然后实例化并将布尔值设置为true,否则跳过。。当任务完成时,将其设为false。。保存此布尔值为SharedReference。。。