等待广播接收者的结果

时间:2015-08-02 13:59:39

标签: android broadcastreceiver progressdialog

我想从我的活动中启动ProgressDialog和广播接收器(SMS_RECEIVED)。当从定义的号码收到短信时,它会停止对话并分析短信文本。

在片刻中,我有Dialog和Receiver,两者都有效。当我关闭对话框时,它会停止接收器。

但是,如果SMS接收并将SMS文本发送给活动,我怎样才能使其工作,Dialog关闭?

我的活动中的ProgressDialog:

    protected void sendSMS(String sms){
        try {
            final ComponentName receiver = new ComponentName(this, IncomingSms.class);
            final PackageManager pm = this.getPackageManager();
            pm.setComponentEnabledSetting(receiver,PackageManager.COMPONENT_ENABLED_STATE_ENABLED,PackageManager.DONT_KILL_APP);


            waitSms = new ProgressDialog(this);
            waitSms.setTitle("Warte auf Bestätigungs SMS");
            waitSms.setCancelable(false);
            waitSms.setMessage("Abbrechen setzt die Einstellung in der App auf inaktiv zurück. Nicht warten übernimmt die Einstellung in der App, wartet aber nicht weiter auf eine Bestätigungs SMS.");
            waitSms.setButton(DialogInterface.BUTTON_NEGATIVE, "Abbrechen", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    pm.setComponentEnabledSetting(receiver, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);
                    waitSms.dismiss();
                }
            });
            waitSms.setButton(DialogInterface.BUTTON_POSITIVE, "Nicht warten", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    pm.setComponentEnabledSetting(receiver, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);
                    waitSms.dismiss();
                }
            });
            waitSms.show();
        }

我的广播接收器:

public class IncomingSms extends BroadcastReceiver {

    // Get the object of SmsManager
    final SmsManager sms = SmsManager.getDefault();

    public void onReceive(Context context, Intent intent) {

        // Retrieves a map of extended data from the intent.
        final Bundle bundle = intent.getExtras();

        try {

            if (bundle != null) {

                final Object[] pdusObj = (Object[]) bundle.get("pdus");

                for (int i = 0; i < pdusObj.length; i++) {

                    SmsMessage currentMessage = SmsMessage.createFromPdu((byte[]) pdusObj[i]);
                    String phoneNumber = currentMessage.getDisplayOriginatingAddress();

                    String senderNum = phoneNumber;
                    String message = currentMessage.getDisplayMessageBody();

                    Log.i("SmsReceiver", "senderNum: "+ senderNum + "; message: " + message);

                    int duration = Toast.LENGTH_LONG;
                    Toast toast = Toast.makeText(context, "senderNum: "+ senderNum + ", message: " + message, duration);
                    toast.show();

                } // end for loop
            } // bundle is null

        } catch (Exception e) {
            Log.e("SmsReceiver", "Exception smsReceiver" +e);
        }
    }
}

寻求帮助

2 个答案:

答案 0 :(得分:1)

您使用旗帜禁用了接收器:

  

PackageManager.COMPONENT_ENABLED_STATE_DISABLED。

而是试试这个:

  

PackageManager.COMPONENT_ENABLED_STATE_ENABLED

然后在Receiver onReceive中,将数据移动到具有Intent extras的Activity,并使用onNewIntent()拦截它们。

发送数据后,您可以根据需要禁用接收器。

答案 1 :(得分:1)

只需通过BroadcastReceiver在您的活动中注册另一个registerReceiver即可收听您的活动,例如com.example.SMS_PARSED。将您的短信转换为Parcelable,放入Bundle并将其发送给您在活动中注册的收件人。在onReceive,您将dismiss进展。

另外,如果发生某些错误,请不要忘记暂停,这样用户就不会被您的进度阻止。