Appwidget realization of broadcasting mechanism

Package com.example.appwidget02;

Import com.example.appwidget02.r.drawable;

Import android.app.PendingIntent; Import Android.appwidget.AppWidgetManager; Import Android.appwidget.AppWidgetProvider; Import Android.content.ComponentName; Import Android.content.Context; Import android.content.Intent; Import Android.widget.RemoteViews;

public class appwidget02 extends appwidgetprovider{    private static final String my_action= " My.action.APPWIDGET_UPDATE ";//static global constants     @Override  public void OnReceive (context context, Intent Intent {  string action = intent.getaction ();   if (My_action.equals (action)) {    Remoteviews remoteviews = new Remoteviews (Context.getpackagename (), r.layout.example_appwidgit);    remoteviews.setimageviewresource (R.id.my_image, R.drawable.ic_launcher);    appwidgetmanager Appwidgetmanager = appwidgetmanager.getinstance (context);    componentname componentname = new ComponentName (context, appwidget02.class);    appwidgetmanager.updateappwidget (ComponentName, remoteviews);   }else{      super.onreceive (context, intent);  }  }     @Override  public void onUpdate (context context, Appwidgetmanager AppwidgetmanageR,    int[] appwidgetids) {  for (int i=0;i<appwidgetids.length;i++) {    Intent Intent = new Intent ();    intent.setaction (my_action);    pendingintent pendingintent = pendingintent.getbroadcast (context, 0, intent, 0);    remoteviews remoteviews = new Remoteviews (Context.getpackagename (), r.layout.example_appwidgit);    remoteviews.setonclickpendingintent (R.id.button1, pendingintent);    appwidgetmanager.updateappwidget (Appwidgetids[i], remoteviews);       }   super.onupdate (Context, Appwidgetmanager, appwidgetids);  }   @Override  public void onenabled (context context) {  //TODO auto-generated method Stub &nbs p; super.onenabled (context);  }   @Override  public void ondisabled (context context) {  //TODO auto-generated method Stub &NB sp; super.ondisabled (context);  }   @Override  public void ondeleted (context context, int[] appwidgetids) {  //TODO auto-generated method s Tub   super.ondeleted (context, appwidgetids);  }}

Configuration file

Mainfest.xml

<?xml version= "1.0" encoding= "Utf-8"?> <manifest xmlns:android= "http://schemas.android.com/apk/res/ Android "package=" com.example.appwidget02 "android:versioncode=" 1 "android:versionname=" 1.0 ">

<USES-SDK android:minsdkversion= "android:targetsdkversion="/>

    <application         android:allowbackup= "true"          android:icon= "@drawable/ic_launcher"          android:label= "@string/app_name"         android:theme= "@style/apptheme ">         <activity              android:name= ". Mainactivity "            android:label=" @string/app_name ">             <intent-filter>                  <action android:name= " Android.intent.action.MAIN "/>

                <category android: Name= "Android.intent.category.LAUNCHER"/>             </intent-filter>         </activity>         <receiver android:name= ". appwidget02" >              <intent-filter>                  <action android:name= "Android.appwidget.action.APPWIDGET_UPDATE"/>              </intent-filter>              <intent-filter>                  <action android:name= "My.action.APPWIDGET_UPDATE"/>              </intent-filter>              <meta-data                  android:name= "Android.appwidget.provider"                  android:resource= "@xml/appwidget_info"/>          </receiver>                             </application>

</manifest>

Xml/example.xml

<appwidget-provider xmlns:android= "Http://schemas.android.com/apk/res/android"
Android:minwidth= "294DP"
android:minheight= "294DP"
Android:updateperiodmillis= "86400000"
android:initiallayout= "@layout/example_appwidgit"
>

</appwidget-provider>

Layout/example_appwidget.xml

<?xml version= "1.0" encoding= "Utf-8"?> <linearlayout xmlns:android= "http://schemas.android.com/apk/res/ Android "    android:layout_width=" match_parent "    android:layout_height=" Match_ Parent "    android:orientation=" vertical ">    <textview         android:id= "@+id/textview01"        android:layout_width= "Fill_parent"        android:layout_height= "Wrap_content"        android:text= "First Widgit"        android:background= "#000000"        />       <button        android:id= "@+id/button1"        android:layout_width= "Fill_parent"         android:layout_height= "Wrap_content"        android:text="Click Test"       />    <imageview          android:id= "@+id/my_image"         android:layout_width= "Wrap_content"         android:layout_height= "Wrap_content"          android:layout_margin= "10dip"         android:src= "@drawable/yes"         />

</LinearLayout>

Appwidget realization of broadcasting mechanism