broadcastreceiver

I'm trying to create an application that can use the android as a fax machine, IE Send a picture as a fax or receive a fax and save as a picture. So far I'm starting from the ground up and making sure I can intercept a call at the users discretion. I have an Receiver registered in the Manifest of my program with a filter of Phone_State which flags when the state has changed(IE incoming call). So on my BroadcastReceiver I'm trying to have an AlertDialog popup prompting the user to either accept as fax or call but the AlertDialog seems to throw a android.view.WindowManager$BadTokenException

I need an Activity in my BroadcastReceiver, but when i try to cast the context to activity, it doesn't work. Caused by: java.lang.ClassCastException: android.app.ReceiverRestrictedContext cannot be cast to android.app.Activity How can I get Activity from BroadcastReceiver ? Thanks How can I get Activity from BroadcastReceiver ? Generally, you can't. A BroadcastReceiver is independent from an Activity. For example, you can have BroadcastReceiver which receive broadcasts when no Activity is running. You can, however, register/unregister a BroadcastReceiver in an Activity and use it to receive

From one application I am (broadcast) sending an intent to a broadcastreceiver of another one. I am getting the error: WARN/ActivityManager(5038): Permission denied: checkComponentPermission Vikalp Patel You need to add permission under your manifest file add these <receiver android:name=".YourBroadCastReceiverName" android:exported="true"></receiver> The solution is to add android:exported="true" to the activity that will be invoked by the intent. Adding it to the receiver, as suggested by another answer, did not work for me, but adding it to the activity did. Herschel said: " the problem was

I am currently working on a application which includes Boot_Completed Broadcast receiver concept. I have tested this app in my Motorola Moto G Phone. The app runs fine and shows the Toast message. But when I test this app in XIAOMI Redmi 1S phone it doesn't show the Toast message. I have already seen many questions similar to my issue (like these - Question 1 , Question 2 , etc.) ... But I haven't got any solution to this problem. My Manifest: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.demoapp" android

I had created alarmmanager on button click. but it not working after phone reboot. my AlarmbroadcastReceiver not call on phone reboot. it work when phone lock , application killed but not work after phone reboot i had created one progressbar which start on button click and stop after alarm broadcast fired but it not stop when phone reboot. i had added my button click event and broadcast receiver class Button click event b1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { pb1.setVisibility(View.VISIBLE); progress_edit.putBoolean("progress_one", true);

I am trying to receive power button key press, But i unable to receive it. Receiver. public class PowerSendMessage extends BroadcastReceiver { public PowerSendMessage(Activity activity) { this.activity=activity; } static int countPowerOff = 0; private Activity activity = null; @Override public void onReceive(Context context, Intent intent) { Log.d("Power Button", "Click"); if(intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) { countPowerOff++; } else if(intent.getAction().equals(Intent.ACTION_SCREEN_ON)) { if(countPowerOff == 2) { Log.d("Power Click", "2 Times"); } } } Manifest Entry

I have written a simple broadcast receiver to show a toast message when wifi scan is completed. Nothing is showing. Here is my code: package com.wifi; import java.util.List; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.net.wifi.ScanResult; import android.net.wifi.WifiManager; import android.widget.Toast; public class wifiReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { Toast.makeText(context,"Scan completed", Toast.LENGTH_LONG).show(); } } Here is the manifest file: