Android Desktop Widgets

A desktop part is a part of an application that is placed on the desktop using the Appwidget framework.

Res/layout/digitalclock.xml

XML code

2. <? XML version= "1.0" encoding="Utf-8"?>
4. <TextView xmlns:android="http://schemas.android.com/apk/res/android"
6. android:id="@+id/time"
8. android:textsize="45px"
10. android:textstyle="bold"
12. android:textcolor="#FFFFFFFF"
14. android:background="@drawable/bg"
16. android:layout_width="wrap_content"
18. android:layout_height="wrap_content" />

<?xml version= "1.0" encoding= "Utf-8"? ><textview xmlns:android= "http://schemas.android.com/apk/res/ Android "    android:id=" @+id/time "    android:textsize=" 45px "    android:textstyle=" bold "    Android: Textcolor= "#FFFFFFFF"    android:background= "@drawable/bg"    android:layout_width= "Wrap_content    " android:layout_height= "Wrap_content"/>

Res/xml/est_appwidget.xml

XML code

2. <? XML version= "1.0" encoding="Utf-8"?>
4. <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
6. android:minwidth="146dip"
8. android:minheight="72dip"
10. android:updateperiodmillis="+"
12. android:initiallayout="@layout/digitalclock" />

<?xml version= "1.0" encoding= "Utf-8"? ><appwidget-provider xmlns:android= "http://schemas.android.com/apk/ Res/android "    android:minwidth=" 146dip "    android:minheight=" 72dip "    android:updateperiodmillis=" 1000 "    android:initiallayout= "@layout/digitalclock"/>

Androidmanifest.xml

XML code

2. <? XML version= "1.0" encoding="Utf-8"?>
4. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
6. package="com.studio.android.chp10.ex4"
8. android:versioncode="1"
10. android:versionname="1.0">
12. <application android:icon="@drawable/icon"
14. android:label="@string/app_name">
16. <receiver android:name="Esttime"
18. android:label="@string/app_name">
20. <intent-filter>
22. <action
24. android:name=
26. "Android.appwidget.action.APPWIDGET_UPDATE" />
28. </intent-filter>
30. <meta-data android:name="Android.appwidget.provider"
32. android:resource="@xml/est_appwidget" />
34. </receiver>
36. <service android:name=". Esttime$updateservice " />
38. </Application>
40. <uses-sdk android:minsdkversion="3" />
42. </manifest>

<?xml version= "1.0" encoding= "Utf-8"? ><manifest xmlns:android= "http://schemas.android.com/apk/res/ Android "      package=" com.studio.android.chp10.ex4 "      android:versioncode=" 1 "      android:versionname=" 1.0 " >    <application android:icon= "@drawable/icon"                  android:label= "@string/app_name" >        < Receiver Android:name= "Esttime"                   android:label= "@string/app_name" >            <intent-filter>                < Action                     android:name=                        "Android.appwidget.action.APPWIDGET_UPDATE"/>            </intent-filter>            <meta-data android:name= "Android.appwidget.provider"                 android:resource= "@xml/est_appwidget"/>        </receiver>        <service android:name= ". Esttime$updateservice "/>    </application>    

Java code

2. Import Android.app.Service;
4. Import Android.appwidget.AppWidgetManager;
6. Import Android.appwidget.AppWidgetProvider;
8. Import Android.content.ComponentName;
10. Import Android.content.Context;
12. Import android.content.Intent;
14. Import Android.os.IBinder;
16. Import Android.text.format.Time;
18. Import Android.widget.RemoteViews;
22. Public class Esttime extends Appwidgetprovider {
24. @Override
26. public void OnUpdate (context context,
28. Appwidgetmanager Appwidgetmanager,int[] appwidgetids) {
30. Context.startservice (new Intent (Context,updateservice.   Class));
32. }
36. public static class Updateservice extends Service {
38. @Override
40. public void OnStart (Intent Intent, int startid) {
42. Time Esttime = new Time ("EST");
44. Esttime.settonow ();
46. //Pass in the package name and layout file
48. Remoteviews updateviews = new Remoteviews (Getpackagename (), r.layout.digitalclock);
50. Updateviews.settextviewtext (R.id.time,
52. Esttime.format ("%h:%m"));
56. ComponentName Thiswidget =
58. New ComponentName (This, Esttime.   Class);
60. Appwidgetmanager Manager =
62. Appwidgetmanager.getinstance (this);
64. Manager.updateappwidget (Thiswidget, updateviews);
66. }
70. @Override
72. Public IBinder Onbind (Intent Intent) {
74. return null;
76. }
78. }
80. }

Import Android.app.service;import Android.appwidget.appwidgetmanager;import Android.appwidget.AppWidgetProvider; Import Android.content.componentname;import Android.content.context;import Android.content.intent;import Android.os.ibinder;import Android.text.format.time;import Android.widget.remoteviews;public class ESTTime extends Appwidgetprovider {@Override public void onUpdate (context context, Appwidgetmanager appwidgetmanager,in    T[] appwidgetids) {context.startservice (new Intent (Context,updateservice.class)); } public static class Updateservice extends Service {@Override public void OnStart (Intent Intent, int St            ArtID) {Time esttime = new Time ("EST");            Esttime.settonow ();            Incoming package name and layout file Remoteviews updateviews = new Remoteviews (Getpackagename (), r.layout.digitalclock);                        Updateviews.settextviewtext (R.id.time, Esttime.format ("%h:%m")); ComponentnaMe thiswidget = new ComponentName (this, esttime.class);            Appwidgetmanager Manager = Appwidgetmanager.getinstance (this);        Manager.updateappwidget (Thiswidget, updateviews);        } @Override Public IBinder onbind (Intent Intent) {return null; }    }}

Esttime.rar

Android Desktop Widgets