<manifest xmlns:android="http://schemas.android.com/apk/res/android"package="com.skywang.test" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="17" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <receiver android:name=".GridWidgetProvider"> <intent-filter> <action android:name="android.appwidget.action.APPWIDGET_UPDATE" /> <!-- GridWidgetProvider接收点击gridview的响应事件 --> <action android:name="com.skywang.test.COLLECTION_VIEW_ACTION" /> <!-- GridWidgetProvider接收点击bt_refresh的响应事件 --> <action android:name="com.skywang.test.BT_REFRESH_ACTION" /> </intent-filter> <meta-data android:name="android.appwidget.provider" android:resource="@xml/widget_provider"/> </receiver> <service android:name=".GridWidgetService" android:permission="android.permission.BIND_REMOTEVIEWS" /> </application> </manifest>

<?xml version="1.0" encoding="utf-8"?>
<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android" android:minWidth="180dp" android:minHeight="180dp" android:previewImage="@drawable/preview" android:initialLayout="@layout/widget_layout" android:resizeMode="horizontal|vertical" android:widgetCategory="home_screen"> </appwidget-provider>

<?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" > <RelativeLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginLeft="8dip" android:layout_marginRight="8dip" > <TextView android:id="@+id/tv_head" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:gravity="left|center_vertical" android:textSize="24sp" android:text="SkyWang" /> <Button android:id="@+id/bt_refresh" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_alignParentRight="true" android:gravity="right|center_vertical" android:textSize="18sp" android:text="Refresh" /> </RelativeLayout> <GridView android:id="@+id/gridview" android:layout_width="match_parent" android:layout_height="match_parent" android:numColumns="auto_fit" android:verticalSpacing="4dip" android:horizontalSpacing="4dip" android:columnWidth="80dip" android:gravity="center" /> </LinearLayout> 

package com.skywang.test;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.util.Log; import android.widget.RemoteViews; import android.widget.Toast; import com.skywang.test.R; /** * @desc App Widget高级功能测试程序 * @author skywang * */ public class GridWidgetProvider extends AppWidgetProvider { private static final String TAG = "SKYWANG"; public static final String BT_REFRESH_ACTION = "com.skywang.test.BT_REFRESH_ACTION"; public static final String COLLECTION_VIEW_ACTION = "com.skywang.test.COLLECTION_VIEW_ACTION"; public static final String COLLECTION_VIEW_EXTRA = "com.skywang.test.COLLECTION_VIEW_EXTRA"; @Override public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { Log.d(TAG, "GridWidgetProvider onUpdate"); for (int appWidgetId:appWidgetIds) { // 获取AppWidget对应的视图 RemoteViews rv = new RemoteViews(context.getPackageName(), R.layout.widget_layout); // 设置响应 “按钮(bt_refresh)” 的intent Intent btIntent = new Intent().setAction(BT_REFRESH_ACTION); PendingIntent btPendingIntent = PendingIntent.getBroadcast(context, 0, btIntent, PendingIntent.FLAG_UPDATE_CURRENT); rv.setOnClickPendingIntent(R.id.bt_refresh, btPendingIntent); // 设置 “GridView(gridview)” 的adapter。 // (01) intent: 对应启动 GridWidgetService(RemoteViewsService) 的intent // (02) setRemoteAdapter: 设置 gridview的适配器 // 通过setRemoteAdapter将gridview和GridWidgetService关联起来， // 以达到通过 GridWidgetService 更新 gridview 的目的 Intent serviceIntent = new Intent(context, GridWidgetService.class); rv.setRemoteAdapter(R.id.gridview, serviceIntent); // 设置响应 “GridView(gridview)” 的intent模板 // 说明：“集合控件(如GridView、ListView、StackView等)”中包含很多子元素，如GridView包含很多格子。 // 它们不能像普通的按钮一样通过 setOnClickPendingIntent 设置点击事件，必须先通过两步。 // (01) 通过 setPendingIntentTemplate 设置 “intent模板”，这是比不可少的！ // (02) 然后在处理该“集合控件”的RemoteViewsFactory类的getViewAt()接口中 通过 setOnClickFillInIntent 设置“集合控件的某一项的数据” Intent gridIntent = new Intent(); gridIntent.setAction(COLLECTION_VIEW_ACTION); gridIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, gridIntent, PendingIntent.FLAG_UPDATE_CURRENT); // 设置intent模板 rv.setPendingIntentTemplate(R.id.gridview, pendingIntent); // 调用集合管理器对集合进行更新 appWidgetManager.updateAppWidget(appWidgetId, rv); } super.onUpdate(context, appWidgetManager, appWidgetIds); } @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context); Log.d(TAG, "GridWidgetProvider onReceive : "+intent.getAction()); if (action.equals(COLLECTION_VIEW_ACTION)) { // 接受“gridview”的点击事件的广播 int appWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); int viewIndex = intent.getIntExtra(COLLECTION_VIEW_EXTRA, 0); Toast.makeText(context, "Touched view " + viewIndex, Toast.LENGTH_SHORT).show(); } else if (action.equals(BT_REFRESH_ACTION)) { // 接受“bt_refresh”的点击事件的广播 Toast.makeText(context, "Click Button", Toast.LENGTH_SHORT).show(); } super.onReceive(context, intent); } }

package com.skywang.test;import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.Intent; import android.widget.RemoteViews; import android.widget.RemoteViewsService; import android.util.Log; import java.util.List; import java.util.ArrayList; import java.util.HashMap; public class GridWidgetService extends RemoteViewsService{ private static final String TAG = "SKYWANG"; @Override public RemoteViewsService.RemoteViewsFactory onGetViewFactory(Intent intent) { Log.d(TAG, "GridWidgetService"); return new GridRemoteViewsFactory(this, intent); } private class GridRemoteViewsFactory implements RemoteViewsService.RemoteViewsFactory { private Context mContext; private int mAppWidgetId; private String IMAGE_ITEM = "imgage_item"; private String TEXT_ITEM = "text_item"; private ArrayList<HashMap<String, Object>> data ; private String[] arrText = new String[]{ "Picture 1", "Picture 2", "Picture 3", "Picture 4", "Picture 5", "Picture 6", "Picture 7", "Picture 8", "Picture 9" }; private int[] arrImages=new int[]{ R.drawable.p1, R.drawable.p2, R.drawable.p3, R.drawable.p4, R.drawable.p5, R.drawable.p6, R.drawable.p7, R.drawable.p8, R.drawable.p9 }; /** * 构造GridRemoteViewsFactory * @author skywang */ public GridRemoteViewsFactory(Context context, Intent intent) { mContext = context; mAppWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID); Log.d(TAG, "GridRemoteViewsFactory mAppWidgetId:"+mAppWidgetId); } @Override public RemoteViews getViewAt(int position) { HashMap<String, Object> map; Log.d(TAG, "GridRemoteViewsFactory getViewAt:"+position); // 获取 grid_view_item.xml 对应的RemoteViews RemoteViews rv = new RemoteViews(mContext.getPackageName(), R.layout.grid_view_item); // 设置 第position位的“视图”的数据 map = (HashMap<String, Object>) data.get(position); rv.setImageViewResource(R.id.itemImage, ((Integer)map.get(IMAGE_ITEM)).intValue()); rv.setTextViewText(R.id.itemText, (String)map.get(TEXT_ITEM)); // 设置 第position位的“视图”对应的响应事件 Intent fillInIntent = new Intent(); fillInIntent.putExtra(GridWidgetProvider.COLLECTION_VIEW_EXTRA, position); rv.setOnClickFillInIntent(R.id.itemLayout, fillInIntent); return rv; } /** * 初始化GridView的数据 * @author skywang */ private void initGridViewData() { data = new ArrayList<HashMap<String, Object>>(); for (int i=0; i<9; i++) { HashMap<String, Object> map = new HashMap<String, Object>(); map.put(IMAGE_ITEM, arrImages[i]); map.put(TEXT_ITEM, arrText[i]); data.add(map); } } @Override public void onCreate() { Log.d(TAG, "onCreate"); // 初始化“集合视图”中的数据 initGridViewData(); } @Override public int getCount() { // 返回“集合视图”中的数据的总数 return data.size(); } @Override public long getItemId(int position) { // 返回当前项在“集合视图”中的位置 return position; } @Override public RemoteViews getLoadingView() { return null; } @Override public int getViewTypeCount() { // 只有一类 GridView return 1; } @Override public boolean hasStableIds() { return true; } @Override public void onDataSetChanged() { } @Override public void onDestroy() { data.clear(); } } }

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayoutxmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/itemLayout" android:layout_height="match_parent" android:layout_width="match_parent"> <ImageView android:id="@+id/itemImage" android:layout_width="80dip" android:layout_height="60dip" android:layout_centerHorizontal="true" android:scaleType="fitXY" /> <TextView android:id="@+id/itemText" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/itemImage" android:layout_centerHorizontal="true" android:text="TextView01"/> </RelativeLayout>