java - ClipDrawable not working when used as layout background for widget -

i'm attempting make simple widget displays battery percentage both textually , graphically in widget. textual part works without problem, i'm having great difficulty getting widget graphically update.

graphically, have battery image clip according battery percentage. i'm attempting use clipdrawable this.

battery_widget_layout.xml

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     android:id="@+id/widgetlayout"     android:layout_width="fill_parent"     android:layout_height="fill_parent"     android:orientation="horizontal"     android:padding="@dimen/widget_padding"     android:background="@drawable/battery_clip_layer" >      <textview         android:id="@+id/batterypercentagewidgettextview"         android:layout_width="fill_parent"         android:layout_height="fill_parent"         android:text="@string/battery_percentage_widget_default"         android:gravity="center" />  </linearlayout> 

battery_clip_layer.xml (ie clipdrawable)

<clip xmlns:android="http://schemas.android.com/apk/res/android"     android:cliporientation="vertical"     android:gravity="bottom"     android:drawable="@drawable/battery_shape" /> 

batteryservice.java - service receives battery events , updates widget via remoteviews

public class batteryservice extends service {      private static final string log = batteryservice.class.getname();     private final atomicinteger batterypercentage = new atomicinteger(100);      private final broadcastreceiver batteryupdatereceiver = new broadcastreceiver() {          @override         public void onreceive(context context, intent intent) {             int level = intent.getintextra("level", 0);             batterypercentage.set(level);             updatewidget();         }     };       @override     public void oncreate() {         super.oncreate();         registerreceiver(batteryupdatereceiver, new intentfilter(intent.action_battery_changed));         log.i(log, "created...");     }      @override     public void ondestroy() {         super.ondestroy();         unregisterreceiver(batteryupdatereceiver);         log.i(log, "destroyed...");     }      @override     public int onstartcommand(intent intent, int flags, int startid) {         log.i(log, "started...");         updatewidget();         return super.onstartcommand(intent, flags, startid);     }      @override     public ibinder onbind(intent arg0) {         return null;     }      private void updatewidget() {         final int percentage = batterypercentage.get();         log.i(log, "updated... " + percentage);         remoteviews remoteviews = new remoteviews(getpackagename(),  r.layout.battery_widget_layout);         remoteviews.settextviewtext(r.id.batterypercentagewidgettextview, percentage + "%");         //attempt 1 - no cigar         remoteviews.setint(r.drawable.battery_clip_layer, "setlevel", 5000);         appwidgetmanager appwidgetmanager = appwidgetmanager.getinstance(this);         appwidgetmanager.updateappwidget(new componentname(this, batteryappwidgetprovider.class), remoteviews);     }      private void updatewidgetattempt2() {         final int percentage = batterypercentage.get();         log.i(log, "updated... " + percentage);         //attempt 2 - still no cigar         drawable cliplayer = getapplicationcontext().getresources().getdrawable(r.drawable.battery_clip_layer);         if (cliplayer instanceof clipdrawable) {             clipdrawable clipdrawable = (clipdrawable) cliplayer;             int level = clipdrawable.getlevel();             if (clipdrawable.setlevel(10000)) {                 clipdrawable.invalidateself();             }             log.i(log, "updated clip amount..." + level + " -> " + ((clipdrawable) cliplayer).getlevel());         }         remoteviews remoteviews = new remoteviews(getpackagename(), r.layout.battery_widget_layout);         remoteviews.settextviewtext(r.id.batterypercentagewidgettextview, percentage + "%");         appwidgetmanager appwidgetmanager = appwidgetmanager.getinstance(this);         appwidgetmanager.updateappwidget(new componentname(this, batteryappwidgetprovider.class), remoteviews);     }  } 

in batteryservice please have @ 2 different attempts update widget (updatewidget() , updatewidgetattempt2()). neither attempt successful.

i feel i'm doing fundamentally wrong. i'm grateful help/advice! :)

you correct in need set level on drawable instance, unfortunately can't @ drawable because it's in remote view.

however, imageview have method called setimagelevel, can call remotely. suggestion put drawable in imageview instead of background of container, , use setint(r.id.image_view, "setimagelevel", level).

here's layout should like:

<framelayout xmlns:android="http://schemas.android.com/apk/res/android"     android:id="@+id/widgetlayout"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:padding="@dimen/widget_padding" >      <imageview         android:id="@+id/battery"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:src="@drawable/battery_clip_layer" />      <textview         android:id="@+id/batterypercentagewidgettextview"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:text="@string/battery_percentage_widget_default"         android:gravity="center" />  </framelayout> 

and updatewidget() method:

private void updatewidget() {     final int percentage = batterypercentage.get();     log.i(log, "updated... " + percentage);      remoteviews remoteviews = new remoteviews(getpackagename(),  r.layout.battery_widget_layout);     remoteviews.settextviewtext(r.id.batterypercentagewidgettextview, percentage + "%");      remoteviews.setint(r.id.battery, "setimagelevel", percentage * 100);      appwidgetmanager appwidgetmanager = appwidgetmanager.getinstance(this);     appwidgetmanager.updateappwidget(new componentname(this, batteryappwidgetprovider.class), remoteviews); }