MyWidget

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1. package com.example.mywidget;
   
2. 
   
3. import android.os.Bundle;
   
4. import android.app.Activity;
   
5. import android.app.PendingIntent;
   
6. import android.appwidget.AppWidgetManager;
   
7. import android.appwidget.AppWidgetProvider;
   
8. import android.content.Context;
   
9. import android.view.Menu;
   
10. 
    
11. public class MyWidget extends AppWidgetProvider
    
12. {
    
13.         private PendingIntent service = null;
    
14.        
    
15.     @Override
    
16.     public void onUpdate(Context context,AppWidgetManager appWidgetManager,int[] appWidgetIds)
    
17.     {
    
18.            
    
19.     }
    
20. 
    
21.     @Override
    
22.     public void onDisabled(Context context)
    
23.     {
    
24.         
    
25.     }
    
26. }

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1. String lastUpdate = new SimpleDateFormat("yyyy/MM/dd\n\nE\n\na hh:mm:ss").format(new Date());
   
2.             RemoteViews remoteView = new RemoteViews(getPackageName(),R.layout.main);
   
3.             remoteView.setTextViewText(R.id.now, lastUpdate);
   
4.            
   
5.         ComponentName thisWidget = new ComponentName(this,MyWidget.class);
   
6.         AppWidgetManager manager = AppWidgetManager.getInstance(this);
   
7.         manager.updateAppWidget(thisWidget,remoteView);

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1. ComponentName thisWidget = new ComponentName(this,MyWidget.class);
   
2.         AppWidgetManager manager = AppWidgetManager.getInstance(this);
   
3.         manager.updateAppWidget(thisWidget,remoteView);

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1. <?xml version="1.0" encoding="utf-8"?>
   
2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   
3.     android:layout_width="fill_parent"
   
4.     android:layout_height="fill_parent"
   
5.     android:orientation="vertical" >
   
6. 
   
7.     <TextView
   
8.         android:id="@+id/now"
   
9.         android:gravity="center"
   
10.         android:textColor="@android:color/white"
    
11.         android:textSize="12dp"
    
12.         android:layout_width="fill_parent"
    
13.         android:layout_height="fill_parent"
    
14.         android:text="@string/init" />
    
15. 
    
16. </LinearLayout>

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1. RemoteViews remoteView = new RemoteViews(getPackageName(),R.layout.main);

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1. private void buildUpdate()
   
2.     {
   
3.             String lastUpdate = new SimpleDateFormat("yyyy/MM/dd\n\nE\n\na hh:mm:ss").format(new Date());
   
4.     }

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1. package com.example.mywidget;
   
2. 
   
3. import android.app.Service;
   
4. import android.content.Intent;
   
5. import android.os.IBinder;
   
6. 
   
7. public class MyService extends Service {
   
8.     public MyService() {
   
9.     }
   
10.    
    
11.     @Override
    
12.     public int onStartCommand(Intent intent,int flags,int startId)
    
13.     {
    
14.             buildUpdate();
    
15.             return super.onStartCommand(intent, flags, startId);
    
16.     }
    
17.    
    
18.     private void buildUpdate()
    
19.     {
    
20.            
    
21.     }
    
22.    
    
23.     @Override
    
24.     public IBinder onBind(Intent intent) {
    
25.         // TODO: Return the communication channel to the service.
    
26.         throw new UnsupportedOperationException("Not yet implemented");
    
27.     }
    
28. }

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1. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   
2.     package="com.example.mywidget"
   
3.     android:versionCode="1"
   
4.     android:versionName="1.0" >
   
5. 
   
6.     <uses-sdk
   
7.         android:minSdkVersion="8"
   
8.         android:targetSdkVersion="15" />
   
9. 
   
10.     <application
    
11.         android:icon="@drawable/ic_launcher"
    
12.         android:label="@string/app_name"
    
13.         android:theme="@style/AppTheme" >
    
14.         <receiver
    
15.             android:name=".MyWidget">
    
16.             <intent-filter>
    
17.                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
    
18.             </intent-filter>
    
19.             <meta-data android:name="android.appwidget.provider"
    
20.                 android:resource="@xml/widget" />
    
21.         </receiver>
    
22.         <service android:name=".MyService">
    
23.         </service>
    
24.     </application>
    
25. 
    
26. </manifest>

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widget.xml

1. <?xml version="1.0" encoding="utf-8"?>
   
2. <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
   
3.     android:minWidth="72dp"
   
4.     android:minHeight="72dp"
   
5.     android:updatePeriodMillis="0"
   
6.     android:initialLayout="@layout/main" >
   
7. </appwidget-provider>

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strings.xml

1. <?xml version="1.0" encoding="utf-8"?>
   
2. <resources>
   
3.         <string name="app_name">MyWidget</string>
   
4.     <string name="init">Initializing...</string>
   
5. </resources>

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main.xml

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.     <TextView
   
7.         android:id="@+id/now"
   
8.         android:gravity="center"
   
9.         android:textColor="@android:color/white"
   
10.         android:textSize="12dp"
    
11.         android:layout_width="match_parent"
    
12.             android:layout_height="match_parent"
    
13.         android:text="@string/init"
    
14.         />
    
15. 
    
16. </LinearLayout>

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main.xml

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.     <TextView
   
7.         android:id="@+id/now"
   
8.         android:gravity="center"
   
9.         android:textColor="@android:color/white"
   
10.         android:textSize="12dp"
    
11.         android:layout_width="match_parent"
    
12.             android:layout_height="match_parent"
    
13.         android:text="@string/init"
    
14.         />
    
15. 
    
16. </LinearLayout>

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1. final AlarmManager m = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
   
2.             m.cancel(service);

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1. m.setRepeating(AlarmManager.RTC, Time.getTime(), 1000, service);

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1. service = PendingIntent.getService(context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);

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