Android :: Widget On Update / OnReceive

Aug 9, 2010

I initialize some arrays in an onUpdate() method and after that, using an intent and a button, I try to call onReceive() function which runs fine but cannot access arrays set in onUpdate() method. Why is that? Those array's are object variables and are declared public.Am I missing something?package net.aerosoftware.widgettest;
import java.util.HashMap;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.widget.RemoteViews;
public class WidgetTest extends AppWidgetProvider { public static String ACTION_WIDGET_RECEIVER = "ActionReceiverWidget";
public HashMap<Integer, String> channelsImages;
@Overridepublic void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds)
{ Log.e("UPDATE", "Start");
RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.main);
channelsImages = new HashMap<Integer, String>();
channelsImages.put(0, "one");
channelsImages.put(1, "two");
Intent active = new Intent(context, WidgetTest.class);
active.setAction(ACTION_WIDGET_RECEIVER);
PendingIntent actionPendingIntent = PendingIntent.getBroadcast(context, 0, active, 0);
remoteViews.setOnClickPendingIntent(R.id.buttonclick, actionPendingIntent);
super.onUpdate(context, appWidgetManager, appWidgetIds);
appWidgetManager.updateAppWidget(appWidgetIds, remoteViews);
Log.e("UPDATE", "End");
} @Override public void onReceive(Context context, Intent intent)
{ Log.e("RECEIVE", "Start 2");
if (intent.getAction().equals(ACTION_WIDGET_RECEIVER))
try Log.e("SIZE", "Size Of channel array: "+channelsImages.size());
} catch(Exception e)
Log.e("ON_RECIEVE_ERROR", " "+e.getMessage());
super.onReceive(context, intent);
Log.e("RECEIVE", "End");

Android :: Widget on Update / onReceive


Android :: OnReceive Of Android Home Screen Widget Not Working

Jun 13, 2010

whenever I recreate the home screen widget on my phone, the onReceive() method is not called.the problem would be that it doesn't respond to Button press that I assign which its function resides in the onReceive method. The issue does not reside on the emulator but when I tested it with my phone, it doesnt respond to it.

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Android :: OnReceive Can Not Get Message When MMS Coming

Jul 31, 2009

I use the BroadcastReceiver to get the MMS information, but the onReceive can not get the message when MMS coming.

Code as following: Code...

This code can work when SMS coming. Does anybody give me some comments?

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Android : How To Redirect BroadcastReceiver OnReceive?

Oct 13, 2010

What's the correct way (if any) to redirect a received Intent to another BroadcastReceiver? I have two BroadcastReceivers set to listen to the same intent. It works in development, but in production, only the first one registered in the manifest gets the intent. Can I call the other one's onReceive() method directly, passing the same context and intent? Is there a better way to pass the intent along once the first receiver is done with it?

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Android :: Create Widget Like Analogue Clock Widget That Update Itself?

May 1, 2010

I can create a static widget without thinking, I can even create a widget like the analogue clock widget that will update itself, however, I can not for the life of me figure out how to create a widget that reacts to when a user clicks on it. Here is the best code sample that the developer documentation gives to what a widget activity should contain (the only other hint being the API demos, which only creates a static widget):

public class ExampleAppWidgetProvider extends AppWidgetProvider {
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
final int N = appWidgetIds.length;

// Perform this loop procedure for each App Widget that belongs to this provider
for (int i=0; i<N; i++) {
int appWidgetId = appWidgetIds[i];

// Create an Intent to launch ExampleActivity
Intent intent = new Intent(context, ExampleActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);

// Get the layout for the App Widget and attach an on-click listener to the button
RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.appwidget_provider_layout);
views.setOnClickPendingIntent(R.id.button, pendingIntent);................

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Android : Way To Access To Activity From BroadCastReceiver.onReceive?

Sep 7, 2010

I'm developing alarm application. I'm using listview on activity to reserve alarm. after application finish BroadcastReceiver.onReceive() method, I want to remove check of list. But i dont know how to access to activity.

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Android : How To Get Context From A Broadcast Receiver OnReceive To Send To?

Nov 7, 2010

I basically want to make and intent and pass to a service from my BroadcastReceiver's onReceive(). So far I always used View.getContext(), but here, I'm stuck. How exactly can I get the context so I can use public Intent (Context packageContext, Class<?> cls). Or is there any other way I can create an Intent and send to a service?

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Android : Can I Initiate Threads In BroadcastReceiver's OnReceive Method?

Dec 18, 2009

My application has two components,one is Activity and BroadcastReceiver. I am using the BroadcastReceiver as inner class of my Application. The BroadcastReceiver's onReceive method is initiating a new Thread as Thread object,every time. In that i am trying to update the activity if it is in fore ground.If it is in back ground i am simply ignoring. But some times my application is hanging as my application's "HeapWorker" thread is taking 80-90% of the CPU.

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Android : Start Activity From Within OnReceive Method Of BroadcastReceiver?

Feb 3, 2009

I am trying to get a UI to present itself when an incoming SMS happens. When that happens, I would like to present a UI to the user.

I have a BroadcastReceiver class that listens to the SMS_RECEIVED event. I also have an Activity class that is capable of displaying the needed UI when the event happens.

The questions is: How do I start the activity from within the onReceive method of BroadcastReceiver?

I know others have done this but I can't seem to find any resources that illustrates how.

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General :: Error Message From OnReceive?

Jun 18, 2013

My Samsung Galaxy S4 has started popping up the message "An error has occurred in onReceive" every few hours.

If an app is the culprit, how can it be identified? I am an end user, not a developer.

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2.1 Update :: Data Monitor Widget Missing After Update To 2.1 Xperia X8

Nov 27, 2010

data monitor widget missing after update to 2.1-xperia x8...any ideas?

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Android :: How To Update Widget Dynamically?

May 28, 2010

I am currently learning about widgets in Android. I want to create a WIFI widget that will display the SSID, the RSSI (Signal) level. But I also want to be able to send it data from a service I am running that calculates the Quality of Sound over wifi. Here is what I have after some reading and a quick tutorial: public class WlanWidget extends AppWidget Provider {RemoteViews remoteViews; AppWidgetManager appWidgetManager; Component Name thisWidget; WifiManager wifiManager; public void onUpdate(Context context, AppWidgetManager appWidget Manager, int[] appWidgetIds) { timer timer = new Timer(); timer.schedule AtFixed Rate(new WlanTimer(context, appWidgetManager), 1, 10000); The above seems to work ok, it updates the SSID on the widget every 10 seconds. However what is the most efficent way to get the information from my service that will be already running to update periodically on my widget? Also is there a better approach to updating the the widget rather than using a timer and timertask?

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Android :: 2.2 Update - Weather Widget

May 12, 2010

Does anyone know if the 2.2 update is going to bring HTC sense along with the support of flash player? And if so, is that how I acquire this weather widget?>>>>[follow link]> http://www.gadgetsdna.com/motorola-droid-running-android-2-1-and-htc-sense/1572/>>

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Android :: Update Widget Text

May 18, 2010

I have 2 questions about widgets update

I have 2 buttons and i need to change one button text when i press the other one, how can i do this?
The first time i open the widget it calls the onUpdate method, but it never calls it again. I need to update the widget every 2 seconds and i have this line in the xml.

android:updatePeriodMillis="2000"

Do i need a service or should it works just with the updatePeriodMillis tag?

onUpdate method

CODE:..................

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Android :: How To Update Widget Every Minute?

Oct 6, 2010

Can anyone tell me the best way to update widget every minute. Now I'm using thread inside the AppWidget, but sometimes i get error FAILED BINDER TRANSACTION !!! After that error, i always got a lot of error like that all the time and i can't change the view in my widget again.

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Android :: Update A Widget From An Activity?

Sep 22, 2009

I have been looking for a way to update a widget asynchronously, for example, when the phone receives a text message. I have a broadcast receiver set up with code that runs upon receiving a message. I also have an AppWidgetProvider that is set up and running. It seems like the *only* way a widget can be updated is upon its interval, or when the user interacts with it. Is there any way to update a widget upon a system event?

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Android :: Update Widget From Activity

Nov 1, 2010

I have a widget, its setup so that when I click on it, it opens some settings in an activity.

CODE:................

This configures some settings for the application. What I want to achieve is to have the widget update its view to reflect the changed settings when the Activity I launch closes. Using the update interval or any other type of polling isn't appropriate for this.

I've seen a couple places here and in the android docs this code used:

CODE:...................

But I don't know how to get the mAppWidgetId value. I tried following the example for a widget configuration activity here http://developer.android.com/guide/topics/appwidgets/index.html, but in the following code,

CODE:............

Extras is always null, so I never get the AppWidgetID.

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Android :: Widget - Update From My Activity?

Nov 8, 2010

I have added a widget and instead of updating it every xxx minutes, i want to update it only if in my activity something is changed. But how can i call the onUpdate Routine of my widget from my activity?

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Android :: Update Language In Widget

Mar 26, 2010

I have a widgett that supports for many languages, but if the user change the language in Settings, my widget don't update.. Only works, if I close it and open again, or rebook the handset..

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Android :: Update Widget From Code

Apr 22, 2009

Depending on what I do in my application, I might want to force an update on my widget. I've have had a poke around and can't seem to find any API for doing a manual update. At the moment, I have a function that sends a broadcast and my onReceive does this:

CODE:...............

Is there a proper way to do this, which sents the int array to the correct values? Or do I have to do it like this instead?

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Android :: How Update Widget Often But Only When It Is Visible

Mar 10, 2010

I'm going to create widget which needs to update its content every minute (it shows time-related data).

However, there is no need to update widget if it is currently invisible, which means:

screen is turned off
another app is running
widget is placed on another (invisible) home screen tab

What is the best way to update only visible widget every minute - without waking up device nor doing unnecessary computations? After widget becomes visible, small lag before update is acceptable.

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Android :: Force Widget To Update

May 1, 2010

I respond to a button press on my appwidget in the onreceive method. When the button I pressed, I want to force the widget to call the onupdate method.

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Android :: Update Widget On Condition

Aug 9, 2010

I'm just starting with android development and have written an application to show details about the battery status.

Now I wanted to put the whole thing into an widget - and here's the question:
Do I really need a update service in the background to listen for ACTION_BATTERY_CHANGED intents? My first thought was to put just a <action android:name="android.intent.action.ACTION_BATTERY_CHANGED" /> line into the <intet-filter> tag of the widget in the AndroidManifest.xml - but obviously it's not that simple.

If the UpdateService is the right way I'll do so - but I just wanted to make sure what the proper solution is.

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Android : Widget Update Error

Jul 21, 2010

I wrote one widget that updates per 5-seconds and I found that if it's run for a period of time, com.android.acore will occupy almost 100% cpu. Could somebody give me suggestions or help?

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Android : Widget Update On Some Event

Aug 11, 2010

I hope it is the right android group for this question. I have a widget that is essentially an image button that toggles display and speaker modes on a custom Android 2.1 platform. It also displays different images to indicate what mode is currently selected. We are adding a hardware button that can also change the same display modes externally. I will have a driver that translates button presses to some events (maybe emulate a key press through input events or something else). If the user changes the mode by pressing hardware button, the widget will not know about that and will display wrong image. Is there a way to synchronize the widget state with the current mode without constantly polling the driver from the widget code? Widget can start a background service that would poll my driver every second or so and update the picture according to the mode reported by the driver. It does not look like a good solution to me. Can widgets receive any events besides clicks? Can widget detect when it becomes visible ? It looks like "remoteViews" cannot register any event listeners other than OnClickListener

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Android :: Programmatically Update Widget From Activity?

Aug 11, 2010

I know it's possible, but I can't figure out a way to trigger an update of my widget from the main activity. Isn't there some general intent I can broadcast?

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Android :: Facebook Widget Does Not Update Anymore?

Nov 23, 2009

I have the Droid and my fb widget stopped updating. It used to work fine but has been sketchy for a few days. Is this happening to anyone else?

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Android :: Widget Displayed But Update Never Called

Jan 16, 2010

I am trying to implement a simple widget for display on the home screen. The problem I am experiencing is that onUpdate is only being called once when I install the widget. The configuration is below. Note: I will not leave update period at 20 secs as I know that would kill battery (just testing).

Configuration:
`<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
android:minWidth="294dp" android:minHeight="72dp"
android:updatePeriodMillis="20000"
android:initialLayout="@layout/my_custom_app_widget">`
</appwidget-provider>`

Manifest Excerpt:
`<receiver android:name="MyCustomWidgetProvider"> <intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>`

I am observing the following behavior when I install the widget:
In my WidgetProvider class on onReceive is called then onEnabled then onReceive, then onUpdate.
After that the widget displays and onUpdate is never called again. I also inspect the settings of the provider when onUpdate is called and everything set in XML above (e.g. update period) is correct.

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Android :: How To Update Widget Dynamically (Not Waiting 30 Min)?

May 28, 2010

I am currently learning about widgets in Android.I want to create a WIFI widget that will display the SSID, the RSSI (Signal) level.But I also want to be able to send it data from a service I am running that calculates the Quality of Sound over wifi.Here is what I have after some reading and a quick tutorial:public class WlanWidget extends AppWidgetProvider{
RemoteViews remoteViews;
AppWidgetManager appWidgetManager;
ComponentName thisWidget;
WifiManager wifiManager;
public void onUpdate(Context context, AppWidgetManager appWidgetManager,
int[] appWidgetIds) {
Timer timer = new Timer();
timer.scheduleAtFixedRate(new WlanTimer(context, appWidgetManager), 1, 10000);
private class WlanTimer extends TimerTask{
remoteViews remoteViews;
AppWidgetManager appWidgetManager;
ComponentName thisWidget;
public WlanTimer(Context context, AppWidgetManager appWidgetManager) {
this.appWidgetManager = appWidgetManager;
remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);
thisWidget = new ComponentName(context, WlanWidget.class);
wifiManager = (WifiManager)context.getSystemService(Context.WIFI_SERVICE);
@Override
public void run() {
remoteViews.setTextViewText(R.id.widget_textview,
wifiManager.getConnectionInfo().getSSID());
appWidgetManager.updateAppWidget(thisWidget, remoteViews);
}The above seems to work ok, it updates the SSID on the widget every 10 seconds.However what is the most efficent way to get the information from my service that will be already running to update periodically on my widget?Also is there a better approach to updating the the widget rather than using a timer and timertask? (Avoid polling)UPDATE As per Karan's suggestion I have added the following code in my Service: RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);
ComponentName thisWidget = new ComponentName( context, WlanWidget.class );
remoteViews.setTextViewText(R.id.widget_QCLevel, " " + qcPercentage);
AppWidgetManager.getInstance( context ).updateAppWidget( thisWidget, remoteViews );This gets run everytime the RSSI level changes but it still never updates the TextView on my widget, any ideas why?

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Android :: Custom Widget Doesn't Update

May 11, 2010

I'm trying to make a widget to my app, but it doesnt update.I just need to change the textview text and open an activity when a press a button, but none of them works

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