相关疑难解决方法(0)

更新

我能够解决这个问题，问题是对话和相关的可以从广播接收器启动但不推荐，因为活动运行在视图之前结束。

尝试实现像 fb messenger、truecaller 等覆盖。

public class IncomingCall extends BroadcastReceiver
{
private Context pcontext;
private static final String TAG = "CustomBroadcastReceiver";
 TelephonyManager telephony;
 CustomPhoneStateListener customPhoneListener ;
@Override
public void onReceive(Context context, Intent intent) 
{
    pcontext = context;
    Bundle extras = intent.getExtras();
    if (extras != null) {
        String state = extras.getString(TelephonyManager.EXTRA_STATE);
        Log.w("DEBUG", state);

            telephony = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);
            customPhoneListener = new   CustomPhoneStateListener();
            telephony.listen(customPhoneListener,   PhoneStateListener.LISTEN_CALL_STATE);
            Bundle bundle = intent.getExtras();
            String phoneNr= bundle.getString("incoming_number");


    }


}
public class CustomPhoneStateListener extends PhoneStateListener
{
    private static final …