Android :: How Can Write Broadcast Receiver That Will Be Invoked When User Clicks On Any Application Icon
Mar 18, 2010
How can I write a Broadcast Receiver that will be invoked when user clicks on any application icon?
I tried by writing:
CODE:...................
But it is not called.
I tried, by using Packagemanager I will get ApplicationInfo. From that I can know all the application starting activity name and package names. I thought I can use them to registerReceiver and my receiver will listen by its launching activity and package name.
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Apr 5, 2010
I want to figure out how to detect when the phone wakes up from being in the black screen mode and write a handler for that event. Is that possible? It seems like this would be something a Broadcast Receiver should handle? Or is there a better or more proper way?
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Oct 15, 2010
I'm working on a small application and basically, want I want to do, is to ask for a user confirmation before he performs a given set of phone calls.
So I'm trying to find a way to create a UI when the onReceive() function of my BroadcastReceiver is fired. It seems that I can show an Activity thanks to Context.startActivity(), however, I need to wait for the user to interact with that Activity (by giving its confirmation) before my BroadcastReceiver can continue its processing and I can't seem to find a way to do it...
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Sep 28, 2009
trying to create a broadcast receiver which responds to system events and change system settings. I don't need any interaction from the user so I don't need an activity and have been trying to do everything through the manifest file. I've put a log event into my onReceive method but it never logs anything so I'm presuming my method is never called. I've tried this with both the 1.5 and 1.6 SDKs. I was hoping somebody could have a look at my code please and let me know if there are any problems.
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Jun 17, 2010
I have Two activities One splash screen, Player screen. When user clicks on my app icon first splash screen is displayed and then player screen When player activity is running, if user returns to the home screen and then again clicks on app icon, the application is starting from the splash screen again.can any one please help me out how to do any one of below
1) I need to close current running activity and reload application.or
2) I need to resume to the player screen directly.Please give me an example or reference to follow, Im beginner in android programing.
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Jul 29, 2009
I am broadcasting an Intent from an activity. Can we make another application as a receiver. So that it will get invoked when that specific intent is broadcasted.
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Aug 13, 2010
I want to run some code when an app is launched, so my broadcast receiver has to be notified when user open any app.
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Jan 15, 2012
I could open the file input/output of my application through a broadcast receiver. Normally, I would use openFileOutput/Input(), but this can only be done through activities. Would it be more sensible to create my file in res/raw? or create an instance of the activity and call openFileOutput() on it?
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Apr 4, 2010
I'm trying to get a BroadcastReceiver invoked when the screen is turned on. In my AndroidManifest.xml I have specified:
<receiver android:name="IntentReceiver">
<intent-filter>
<action android:name="android.intent.action.SCREEN_ON">
</action>
</intent-filter>
</receiver>
However it seems the receiver is never invoked (breakpoints don't fire, log statements ignored). I've swapped out SCREEN_ON for BOOT_COMPLETED for a test, and this does get invoked. This is in a 1.6 (SDK level 4) project. A Google Code Search revealed this, I downloaded the project and synced it, converted it to work with latest tools, but it too is not able to intercept that event.
http://www.google.com/codesearch/p?hl=en#_8L9bayv7qE/trunk/phxandroid-intent-query/AndroidManifest.xml&q=android.intent.action.SCREEN_ON
Is this perhaps no longer supported? Previously I have been able to intercept this event successfully with a call to Context.registerReceiver() like so:
registerReceiver(new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// ... }
}, new IntentFilter(Intent.ACTION_SCREEN_ON));
However this was performed by a long-living Service. Following sage advice from CommonsWare I have elected to try to remove the long-living Service and use different techniques. But I still need to detect the screen off and on events.
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Apr 29, 2010
I have two published apps that are pretty targeted to the user collecting their personal medical data (like Blood Pressure, etc.) and then, eventually sending it somewhere, if they choose.
I decided to put Read/Write permission on my ContentProvider, so if another app comes along that wants to the access that content, the user will be warned. The permission that is required is declared in my apps.
When the user installs my apps, they are also given a warning that the app requires that permission (even though it's the one that declares it), and it shows up in the Marketplace also.
The question is: Is it possible that the permission acceptance part of installing my app could be putting customers off? I don't know what other's acceptance rate is, but mine is around 50% of customers who download it have active installs.
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Jul 9, 2009
I am trying to start TTS from a broadcast receiver and it as document an intent receiver can't bind the service. Is there a work around, I can't figure out how to start the service using startService(Intent, Bundle).
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Feb 12, 2010
A WAP PUSH (Broadcast)receiver basically doesn't need any UI. It is a silence application which handles the Push messages based on actions/ mimetype without needing any intreaction with user, I've tried to test it in a SMS receiver by removing the Activity from the project and it stopped receiving the SMS messages. My question: Does all android applications "MUST" define a activity? Is there a way to hide it?
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Jul 23, 2010
I am working on one project where i am using broadcast receiver in one of my activity to capture the incomming call and its works fine. when one of my other activity is open and that time if call is come then my broadcast receiver is fail to respond. can any one help me for this ? or its nessesorry to declare broadcast receiver in all my activity to do some comman task.
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Dec 2, 2009
I am making a widget that needs a broadcast receiver, like the one in com.example.android.apis.appwidget.ExampleBroadcastReceiver. However, the example defines Intent.ACTION_TIMEZONE_CHANGED in the manifest, but there are some that do not allow this. For example, Intent.ACTION_TIME_TICK says "You can not receive this through components declared in manifests, only by exlicitly registering for it with Context.registerReceiver(). "
So I removed the manifest declarations and tried replacing the AppWidgetProvider.onEnabled function that was in the example with a call like the following: context.registerReceiver(myReceiver, new IntentFilter(Intent.ACTION_TIME_TICK));
(where "myReceiver" is an instance of the receiver I want.) However, when I try to run the code, I get the following error:
Unable to start receiver...android.content.ReceiverCallNotAllowedException: IntentReceiver components are not allowed to register to receive intents.
Any way to get this broadcast receiver working from a widget?
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Jan 6, 2010
I wish to listen to android.intent.action.BOOT_COMPLETED. However I am not getting the broadcast intent, if I specify com.test.BootBroadcastReceiver in the manifest. When I change this value to simply BootBroadcastReceiver, then I am getting the broadcast intent.
<receiver android:name="BootBroadcastReceiver" android:enabled="true">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
My package in the manifest file is:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.test"
And the BootBroadcastReceiver resides in this package. What is the reason behind this?
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Aug 17, 2009
I have an application that uses an extended Broadcast Receiver class inside the Activity. I have the extended Broadcast Receiver class as a member variable of the Activity class. But it looks like the receiver references keep changing between its construction and 'on Receive' method call. I would like to understand this better. Here are some details. public class MyEventReceiver extends Broadcast Receiver
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Oct 3, 2009
I was wondering if its possible to have a broadcast receiver to listen when the app its in launches.I tried doing by creating a BroadcastReceiver to listen for the android.intent.action.MAIN action but it never gets called?Is there something I need to do or a different action I should be listening for?
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May 1, 2010
I have here two applications in two different projects in eclipse. One application
(A) defines an activity
(A1) which is started first. Then i start from this activity the second activity
(B1) in the second project
(B). This works fine.
Unfortunately, the message is never received. Although the method in activity A1 is called, i never receive an intent in B1.
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Jun 13, 2009
I created a BroadcastReceiver and configured it with an android.provider.Telephony.SMS_RECEIVED action filter so it is called everytime the phone receives a text.Is there some event/action or other way for my application to be notified whenever the phone sends a text (preferably independent of the application that sends it)?So far the only option I see is to poll the content provider for content://sms/sent which doesn't even give me all sent texts because applications can choose not to put it there.
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Oct 24, 2010
The symptom: I have a broadcast receiver that listen to sms, when a sms is received, i call an activity to display. It works all fine if the screen is on and not locked. But when screen is locked, and as soon as i received the sms, the activity popup for a second then disappeared and I use the code to unlock the screen.
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
I think it might be the competitions with phone default sms program (the sms default program shows a notification only). I am wondering is there a way to set priority to broadcast receivers or even the activity that receiver stared, to avoid the conflicts between multiple receivers. or set orders to execute one by one? I have tried to thread.sleep my receiver for a second, still not working.
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Dec 15, 2009
I need to be able to handle/catch Intents while my Activity is closed. So I am looking at either a Service or a BroadcastReceiver. Is it possible to "receive" intents to a service itself? I tried to search, but could not find anything helpful. With a BroadcastReceiver, I am not exactly sure how that works outside of an Activity. Does it depend on the Activity being open/running? Can it run by itself?
Let's say that my Activity is killed by Android(or a task killer app), does the BroadcastReceiver still receive intents and process them? I have used a BroadcastReceiver as a widget, but I do not want to use a widget this time. My goal is to have the user open the Activity to set some options. From there, they would be able to close the Activity, but I would still be able to process Intents that were sent out by the system. I am still fairly new to Android development, so I could be so far away from where I need to be.
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Oct 11, 2010
I'm trying to receive SMS using broadcast receiver. MySMSReceiver :
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.telephony.SmsMessage;
import android.util.Log;
public class MySmsReceiver extends BroadcastReceiver {
/** Tag string for our debug logs */
private static final String TAG = "MySmsReceiver";
@Override
public void onReceive(Context context, Intent intent) {
Log.i(TAG, "Recieved a message");
Bundle extras = intent.getExtras();
if (extras == null)
return;
Object[] pdus = (Object[]) extras.get("pdus");
for (int i = 0; i < pdus.length; i++) {
SmsMessage message = SmsMessage.createFromPdu((byte[]) pdus[i]);
String fromAddress = message.getOriginatingAddress();
String fromDisplayName = fromAddress;
Log.i(TAG, fromAddress);
Log.i(TAG, fromDisplayName);
Log.i(TAG, message.getMessageBody().toString());
break; } } }
and added in Mainfest file
<receiver android:name=".MySmsReceiver" android:enabled="false">
<intent-filter>
<action android:name="android.provider.Telephony.SMS_RECEIVED" />
</intent-filter>
</receiver>
<uses-permission android:name="android.permission.RECEIVE_SMS" />
But when I run this application and send a SMS using emulator it shows following logs in logcat
10-12 00:14:53.082: VERBOSE/Telephony(1032): getOrCreateThreadId uri: content://mms-sms/threadID?recipient=9898989898
10-12 00:14:53.203: VERBOSE/Telephony(1032): getOrCreateThreadId cursor cnt: 1
10-12 00:14:53.432: DEBUG/Mms:app(1032): getSmsNewMessageNotificationInfo: count=4, first addr=9898989898, thread_id=3
10-12 00:14:53.482: WARN/NotificationService(62): STOP command without a player
10-12 00:14:53.562: DEBUG/MediaPlayer(62): Couldn't open file on client side, trying server side
10-12 00:14:53.582: ERROR/MediaPlayerService(34): Couldn't open fd for content://settings/system/notification_sound
10-12 00:14:53.592: ERROR/MediaPlayer(62): Unable to to create media player
10-12 00:14:53.643: WARN/NotificationService(62): error loading sound for content://settings/system/notification_sound
10-12 00:14:53.643: WARN/NotificationService(62): java.io.IOException: setDataSource failed.: status=0x80000000
10-12 00:14:53.643: WARN/NotificationService(62): at android.media.MediaPlayer.setDataSource(Native Method)
10-12 00:14:53.643: WARN/NotificationService(62): at android.media.MediaPlayer.setDataSource(MediaPlayer.java:716)
10-12 00:14:53.643: WARN/NotificationService(62): at android.media.MediaPlayer.setDataSource(MediaPlayer.java:671)
10-12 00:14:53.643: WARN/NotificationService(62): at com.android.server.NotificationPlayer$CreationAndCompletionThread.run(NotificationPlayer.java:8)
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Sep 10, 2010
I have create a receiver which receive on phone state change I have register it in XML by "android.intent.action.PHONE_STATE"
But sometime it don't receive any broadcast message
log mesages are:::
09-10 11:20:36.968: WARN/ActivityManager(74): Timeout of broadcast BroadcastRecord{43347258 android.intent.action.PHONE_STATE - receiver=android.os.BinderProxy@4334ebd0
09-10 11:20:36.968: WARN/ActivityManager(74): Receiver during timeout: ResolveInfo{432dd748 com.callHandller.PhoneStateReciever p=0 o=0 m=0x108000}
09-10 11:20:36.968: INFO/Process(74): Sending signal. PID: 2223 SIG: 9
09-10 11:20:36.988: ERROR/JavaBinder(74): !!! FAILED BINDER TRANSACTION !!!
09-10 11:20:37.008: INFO/ActivityManager(74): Process com.callHandller (pid 2223) has died.
09-10 11:20:37.008: INFO/WindowManager(74): WIN DEATH: Window{4324f470 com.callHandller/com.incallHandller.callHandler paused=false}
09-10 11:20:37.958: WARN/ActivityManager(74): Activity destroy timeout for HistoryRecord{4321c7c0 com.callHandller/com.incallHandller.callHandler}
09-10 11:20:42.288: DEBUG/dalvikvm(136): GC freed 2543 objects / 143320 bytes in 179ms
Here com.callhandller is my application package where I have Receiver...
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Jul 11, 2010
So, I added the receiver (contained in application) in the manifest. Broadcast doesn't fire my broadcast receive.
<receiver android:name="mypkg.IncomingCallReceiver">
<intent-filter>
<action android:name="android.telephony.TelephonyManager.ACTION_PHONE_STATE_CHANGED"/ >
</intent-filter>
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Mar 25, 2010
I am trying to understand the use of the broadcast receiver and the way of activate it. There's two ways isn't it? Register it from an activity or declare it in the manifest. So my question is: If I code a broadcast receiver which is watching incoming messages and I register it in the manifest, when a message comes my broadcast receiver will catch it automatically although any activity of my app had registered it. In a nutshells, I don't have to activate it so it works, only register it either in the manifest or in an activity.
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Dec 27, 2009
I have a service that gets updated every x minutes depending on the user preferences. This service connects to a web service and pulls some data. If during an update the user has no connection I register my receiver and start listening for changes (ConnectivityManager.CONNECTIVITY_ACTION), the thing is that onReceive () only gets called on every update instead of firing onReceived as soon as I plug the connection back in. Have I understood the concept of Broadcast Receiver wrong? Is it not suppose to send a notification as soon as it detetcs a change in the connection?
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Jun 23, 2010
I am starting to develop a new app and I am a bit confused about the structure I need to give it.I need to react to broadcast intents, so I placed a broadcast received in the manifest. Every single intent produces an action to be performed. Now the first question: should I start a service (maybe with non_sticky option?) or should I start a thread (or an async task) directly from the broadcast receiver? If I start a service, should I do all the stuff in its body, or should it start a thread. I should do the heavy job in a thread if there are time consuming operations, but what if the gui of my application is just an activity with the options and a button to start the service. What is the point in keeping the main thread busy? Do I risk to be killed for not being responsive? I read here and there that I can update the gui from a background thread. Can I do that even if it is started from a service? The AsyncTask's onProgressUpdate is said to run in the application main thread, but if the application is made of different activities, who tells me which activity is the user looking at while the thread is doing all its long work? The user could change activity in the meanwhile and then the update would be unuseful.I know it's (quite) a lot of questions, but I need to get some clarifications before taking the wrong path.
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Jul 3, 2009
I've been modifying things All day trying to get this to work. I have a broadcast receiver that receives a "boot completed" signal. the onReceive method works! Well at least it sends output to the log. The problem is that that method is responsible for creating a AlarmService, to start call a different class every minute. That other class never has it's onReceive method called...
AndroidManifest snippet: <receiver android:name=".FmiBootup">
<!-------------THIS WORKS FINE------------->
<intent-filter> <action android:name="android.intent.action.BOOT_COMPLETED" /
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May 6, 2010
I'm currntly struggling with an Android problem whose answer is maybe simple.(I'm new in Android developing)I have a main activity that builds a TabHost with two Tabs (each represents another Activity)As far as I know I can't receive broadcast messages within an activity - so the only thing I could do is to start a new activity out of my Broadcast Receiver. But instead I want to change my Tab View or show the alert.Are there any possibilities to access an existing Activity from a broadcast receiver class?
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May 28, 2010
I am trying to launch the Main Activity from a broadcast receiver. Can anyone guide me as to how I can do it? I always get "Process is Bad" message.
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