Add an AppWidget

Add an AppWidget

To add an AppWidget to a program

1 first, create a class MyWidget that inherits from AppWidgetProvider.

 

public class MyWidget extends AppWidgetProvider {}

2. Register in the manifest configuration file

1          <receiver android:name="com.lightyear.safe.receiver.MyWidget">2             <intent-filter>3                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE"></action>4             </intent-filter>5             <meta-data android:name="android.appwidget.provider"6                 android:resource="@xml/appwidget" />7         </receiver>

3. Implement the above @ xml/appwidget content, and create an appwidget. xml file in the Res/xml directory.

1 <?xml version="1.0" encoding="utf-8"?>2 <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"3     android:initialLayout="@layout/appwidgetlayout"4     android:minHeight="72dp"5     android:minWidth="294dp"6     android:updatePeriodMillis="86400000" >7 8 </appwidget-provider>

4. Implement the content above @ layout/appwidgetlayout. This is the layout file of our Appwidget.

1 <? Xml version = "1.0" encoding = "UTF-8"?> 2 <LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android" 3 android: layout_width = "match_parent" 4 android: layout_height = "match_parent" 5 android: orientation = "vertical"> 6 7 <TextView 8 android: layout_width = "match_parent" 9 android: layout_height = "match_parent" 10 android: text = "I am an AppWidget" 11 android: background = "#80ffff00"/> 12 13 </LinearLayout>

Success ~