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先生,我如何提示停止振鈴的警報,然後在其他類中啓動alertdialog?此代碼始終強制關閉。如果我刪除提示部分來停止時鐘,鬧鐘不會停止振鈴,並且alertdialog只顯示一次。如果它收到另一條消息,它將不會再次觸發alertdialog。請幫幫我。感謝您的幫助提前如何提示停止振鈴並啓動alertdialog的警報
for (SmsMessage msg : messages) {
if (msg.getMessageBody().contains("alert")) {
Uri alert = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_ALARM);
if(alert == null){
// alert is null, using backup
alert = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
if(alert == null){
// alert backup is null, using 2nd backup
alert = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE);
}
}
Ringtone r = RingtoneManager.getRingtone(context.getApplicationContext(), alert);
AudioManager audioManager = (AudioManager)context.getSystemService(Context.AUDIO_SERVICE);
int maxVolumeAlarm = audioManager.getStreamMaxVolume(AudioManager.STREAM_ALARM);
audioManager.setStreamVolume(AudioManager.STREAM_ALARM, maxVolumeAlarm,AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE);
r.play();
//prompt
alertDialogBuilder = new AlertDialog.Builder(
context);
alertDialogBuilder.setTitle("Alarm Received");
alertDialogBuilder
.setMessage("Stop alarm")
.setCancelable(false)
.setPositiveButton("OK",new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int id) {
r.stop();
Toast.makeText(getApplicationContext(), "alarm stopped", Toast.LENGTH_LONG).show();
}
});
// create alert dialog
AlertDialog alertDialog = alertDialogBuilder.create();
// show it
alertDialog.show();
Toast.makeText(context.getApplicationContext(), "alarm started", Toast.LENGTH_LONG).show();
//open alertdialog in other activity
Intent openInterface = new Intent("proj.receiver.RECEIVERINTERFACE");
openInterface.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(openInterface);
}//end if
}//end for
我的代碼沒有運行,如果我離開r.stop()那裏,它只是強制關閉。 –
你在'r.stop()'後面試過了'dialog.cancel()'和/或'dialog.dismiss()'嗎? – Jordi