I've coded an Android widget with two buttons. If i start the "Activity" all works fine and i can click on those buttons. But if i lock the phone, the process dies after a few seconds
and i try to click on those buttons again, nothing happens, except the LOGCAT:
I/ActivityManager: filter receiver for action = ButtonRefresh
updateAppWidget, called via #Override onUpdate(...):
private final static String BUTTON_REFRESH = "ButtonRefresh";
public static void updateAppWidget(final Context context, final AppWidgetManager appWidgetManager,
final int appWidgetId) {
final RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.myclasslayout);
//Click listener depending on #this (getPendingSelfIntent)
views.setOnClickPendingIntent(R.id.button_refresh, getPendingSelfIntent(context, BUTTON_REFRESH));
[...]
appWidgetManager.updateAppWidget(appWidgetId, views);
}
getPendingSelfIntent():
private static PendingIntent getPendingSelfIntent(Context context, String action) {
Intent intent = new Intent(context, MyClass.class);
intent.setAction(action);
return PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
}
onReceive():
#Override
public void onReceive(Context context, Intent intent) {
super.onReceive(context, intent);
if (BUTTON_REFRESH.equals(intent.getAction())) {
Log.i("MyLogtag", "Refresh"); //This never shows up in LOGCAT
}
}
AndroidManifest.xml:
[...]
<receiver android:name=".MyClass">
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="#xml/myclass_info" />
</receiver>
[...]
onReceive never gets called when app process is dead...
I got it...
i have to change
private final static String BUTTON_REFRESH = "ButtonRefresh";
to
private final static String BUTTON_REFRESH = "com.example.mypackage.BUTTON_REFRESH";
and AndroidManifest:
<receiver android:name=".MyClass">
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
<action android:name="com.example.mypackage.BUTTON_REFRESH"/>
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="#xml/myclass_info" />
</receiver>
Related
I tried a lot to change my widget view's image when i click on it but it doesn't work. It's my code:
public class myAppWidgetProvider extends AppWidgetProvider {
public static String ACTION_WIDGET_REFRESH = "ActionReceiverRefresh";
//...
#Override
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];
Intent intent = new Intent(context, myAppWidgetProvider.class);
intent.setAction(ACTION_WIDGET_REFRESH);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, 0);
RemoteViews rv = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
rv.setOnClickPendingIntent(R.id.imageView, pendingIntent);
appWidgetManager.updateAppWidget(appWidgetId, rv);
}
And in onReceive i want to receive it when i click widget's view, but it doesn't work:
#Override
public void onReceive(Context context, Intent intent) {
super.onReceive(context, intent);
final String action = intent.getAction();
if (AppWidgetManager.ACTION_APPWIDGET_UPDATE.equals(action)) {
RemoteViews rmv = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
//and this change doesn't work :(( \/
rmv.setImageViewResource(R.id.imageView, R.drawable.button_power_on_small);
}
}
It's my android manifest receiver:
<receiver android:name="myAppWidgetProvider" android:exported="false" android:icon="#drawable/button_power_off">
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
<action android:name="com.xxx.xxx.myAppWidgetProvider.ACTION_WIDGET_REFRESH"/>
<action android:name="android.appwidget.action.APPWIDGET_DELETED"/>
<action android:name="android.media.RINGER_MODE_CHANGED"/>
</intent-filter>
<meta-data android:name="android.appwidget.provider"
android:resource="#xml/widget_info_provider" />
</receiver>
I will be grateful if someone suggest me some solution.
Change
<action android:name="com.xxx.xxx.myAppWidgetProvider.ACTION_WIDGET_REFRESH"/>
to
<action android:name="ActionReceiverRefresh"/>
Your BroadcastReceiver is looking for the wrong action string. Remember that AndroidManifest is an XML file. You have to put the actual value of the String; pointing to a Java constant doesn't work.
I have few widgets in my application with different sizes. And for each widget I need set receiver android:name to different values (otherwise Android show only one first widget). So I need to create separate class with identical code for each widget. That is uneasily. How I can avoid this? May be I can create one parent class and inherit it for other widget classes?
My code:
Manifest:
<meta-data
android:name="android.appwidget.provider"
android:resource="#xml/widget_1x1" />
</receiver>
<receiver android:exported="false"
android:name=".WidgetHandler_4x4"
android:label="Widget 4x4" >
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="#xml/widget_4x4" />
</receiver>
And WidgetHandler_1x1 / WidgetHandler_4x4:
public class WidgetHandler_4x4 extends AppWidgetProvider {
public static String ACTION_WIDGET_EDIT = "ActionWidgetEdit";
#Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);
Intent editIntent = new Intent(context, this.getClass());
editIntent.setAction(ACTION_WIDGET_EDIT);
PendingIntent editPendingIntent = PendingIntent.getBroadcast(context, 0, editIntent, 0);
remoteViews.setOnClickPendingIntent(R.id.edit_button, editPendingIntent);
appWidgetManager.updateAppWidget(appWidgetIds, remoteViews);
}
#Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(ACTION_WIDGET_EDIT)) {
Toast.makeText(context, "edit", Toast.LENGTH_SHORT).show();
}
super.onReceive(context, intent);
}
}
In my application, I have a Fragment which is attached to the main activity. This Fragment displays data with the help of an adapter. In the adapter, I have inflated a layout which has a clickable text "Watch From Home". The adapter displays data from the server. I want to show the same data on the home screen and when I click on the "Watch From Home" text, a home screen widget should be created without any user interaction.
I made a receiver MyWidgetProvider.What should the method onClickText() for "Watch From Home" have so that it takes me to the widget? I must admit, I am new to android. Thanks
Android Manifest file
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.pack.android.receiver"
android:versionCode="1"
android:versionName="1.0" >
<application
android:icon="#drawable/icon"
android:label="#string/app_name" >
<receiver android:name="MyWidgetProvider" >
<intent-filter >
<action
android:name="android.appwidget.action.APPWIDGET_UPDATE" />
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="#xml/widget_info" />
</receiver>
</application>
<uses-sdk android:minSdkVersion="8" />
</manifest>
MyWidgetProvider.Java file
public class MyWidgetProvider extends AppWidgetProvider {
private TextView team1Name;
private TextView team2Name;
private TextView team1Score;
private TextView team2Score;
public static boolean widgetView=false;
private static final String LOG = "com.playup.android.receiver";
public MyWidgetProvider(TextView team1Name, TextView team2Name, TextView team1Score, TextView team2Score){
this.team1Name=team1Name;
this.team2Name=team2Name;
this.team1Score=team1Score;
this.team2Score=team2Score;
initializeViews();
}
#Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager,int[] appWidgetIds) {
Log.w(LOG, "onUpdate method called");
// Get all ids
ComponentName thisWidget = new ComponentName(context,MyWidgetProvider.class);
int[] allWidgetIds = appWidgetManager.getAppWidgetIds(thisWidget);
// Build the intent to call the service
Intent intent = new Intent(context.getApplicationContext(), UpdateWidgetService.class);
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, allWidgetIds);
// Update the widgets via the service
context.startService(intent);
}
public void initializeViews(){
// team1Name= (TextView)content_layout.findViewById(R.id.team1Name);
}
}
UpdateWidgetService
public class UpdateWidgetService extends Service {
private static final String LOG = "com.playup.android.receiver";
#Override
public void onStart(Intent intent, int startId) {
Log.i(LOG, "Called");
// Create some random data
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this
.getApplicationContext());
int[] allWidgetIds = intent
.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS);
ComponentName thisWidget = new ComponentName(getApplicationContext(),
MyWidgetProvider.class);
int[] allWidgetIds2 = appWidgetManager.getAppWidgetIds(thisWidget);
Log.w(LOG, "From Intent" + String.valueOf(allWidgetIds.length));
Log.w(LOG, "Direct" + String.valueOf(allWidgetIds2.length));
for (int widgetId : allWidgetIds) {
// Create some random data
int number = (new Random().nextInt(100));
RemoteViews remoteViews = new RemoteViews(this
.getApplicationContext().getPackageName(),0x7f030061); //Since R could not be resolve, I used the generated ids
Log.w("Widget", String.valueOf(number));
// Set the text
remoteViews.setTextViewText(0x7f0a022a,"Random: " + String.valueOf(number));
// Register an onClickListener
Intent clickIntent = new Intent(this.getApplicationContext(),MyWidgetProvider.class);
clickIntent.setAction(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
clickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS,
allWidgetIds);
PendingIntent pendingIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, clickIntent,PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(0x7f0a022a, pendingIntent);
appWidgetManager.updateAppWidget(widgetId, remoteViews);
}
stopSelf();
super.onStart(intent, startId);
}
#Override
public IBinder onBind(Intent intent) {
return null;
}
Simply saying, You can't create a home widget without any user interaction.
Update:
Your receiver tag should start like this:
<receiver
android:name=".MyWidgetProvider"
android:label="My widget label" >
<!-- The rest as is -->
</receiver>
Home Screen Widget can only add to Home Screen directly by user.Only user can add widget as guest to Home Screen or other applications.
Edit:
To see your widget in widgets list:
It is necessary that register your AppWidgetProvider in manifest.
Your App has to have Launcher/Main Activity,and App must be directly run by user,before it be visible in widgets list.This is necessary ,because no broadcastreceiver(and so no AppWidgetProvider),no service,... of your App could not register before your App run directly by user.If you look at your manifest,you will see that your App has no Launcher/Main Activity(it has only a receiver),so it can not run by user and your AppWidgetProvider(that is a broadcastreceiver) will not register and thereupon you can not see your widget in widget list.
This had me scratching my head for a while.
I had the meta-data tag as child of the intent-filter tag, which is wrong. The meta-data is to be child of the receiver tag.
Incorrect version
<receiver
android:name=".AppWidgetReceiver"
android:label="AppWidgetReceiver" >
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
<meta-data
android:name="android.appwidget.provider"
android:resource="#xml/appwidget_info" />
</intent-filter>
</receiver>
Following is the correct version
<receiver android:name=".AppWidgetReceiver"
android:label="AppWidgetReceiver" >
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="#xml/appwidget_info" />
</receiver>
I am making a simple app widget that displays a toast message when a button in the widget is touched. The issue I am having is that the toast never appears when the button is clicked. In fact, the onReceive event is never fired when the button is touched. I suspect the issue has to do with my manifest, but it looks ok to me.
Here is the relevant portions of my manifest:
<receiver android:name=".GPSWidget" android:label="GPS Receiver">
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
<action android:name="luke.app.steal.GPSWidget.ACTION_WIDGET_RECEIVER"/>
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="#xml/widget_provider" />
</receiver>
Here is the code to "wire up" the button to an event listener, as well as the onReceive event it is in a class called GPSReceiver.
public static String ACTION_WIDGET_RECEIVER = "ActionReceiverWidget";
#Override
public void onReceive(Context context, Intent intent) {
if(intent.getAction().equals(ACTION_WIDGET_RECEIVER)) {
Toast.makeText(context, "Button hit", Toast.LENGTH_SHORT).show();
}
super.onReceive(context, intent);
}
#Override
public void onUpdate( Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds )
{
RemoteViews remoteViews;
remoteViews = new RemoteViews( context.getPackageName(), R.layout.gpswidget );
remoteViews.setTextViewText( R.id.widgetTexts, "Click Me!");
Intent inte = new Intent(context, lukeService.class);
inte.setAction(ACTION_WIDGET_RECEIVER);
PendingIntent configPendingIntent = PendingIntent.getBroadcast(context, 0, inte, 0);
remoteViews.setOnClickPendingIntent(R.id.widgetTexts, configPendingIntent);
appWidgetManager.updateAppWidget(appWidgetIds, remoteViews );
}
widgetTexts is the button that should be launching the toast, but like I said nothing happens when the button is hit. I thought that my path in the manifest was wrong, luke.app.steal, but that same path works just fine for all my other activities.
Anyone got any ideas? or need more info?
I am creating a appwidget which needs to update when some changing in app's database.
What I do:
1. Create working widget
2. Override onReceive method:
public static final String DATABASE_CHANGED = " utimetable.DATABASE_CHANGED";
#Override
public void onReceive(Context context, Intent intent)
{
String action = intent.getAction();
if (action.equals(DATABASE_CHANGED) || action.equals(Intent.ACTION_DATE_CHANGED))
{
AppWidgetManager gm = AppWidgetManager.getInstance(context);
int[] ids = gm.getAppWidgetIds(new ComponentName(context, widget_provider.class));
this.onUpdate(context, gm, ids);
}
else
{
super.onReceive(context, intent);
}
}
In AndroidManifest:
<receiver android:name=".widget_provider" android:label="#string/widget_today_name">
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
<action android:name="utimetable.DATABASE_CHANGED" />
<action android:name="android.intent.action.DATE_CHANGED" />
</intent-filter>
<meta-data android:name="android.appwidget.provider" android:resource="#xml/widget_row" />
</receiver>
Add Broadcast sending into all DB changing functions:
public static void sendUpdateIntent(Context context)
{
Intent i = new Intent(context, widget_provider.class);
i.setAction(widget_provider.DATABASE_CHANGED);
context.sendBroadcast(i);
}
But widget still not updated when I make changes in DB.
What should I do?
just guessing looking at your code, but that space after the first " looks wrong
.... DATABASE_CHANGED = " utimetable.DATABASE_CHANGED";