在桌面上默认添加Widget
private boolean addWeatherWidget(SQLiteDatabase db, ContentValues values,TypedArray a) { String packageName = a.getString(R.styleable.Favorite_packageName); String className = a.getString(R.styleable.Favorite_className); if(packageName == null || className == null){ return false; } final int[] bindSources = new int[] { Favorites.ITEM_TYPE_WIDGET_WEATHER, }; final ArrayList<ComponentName> bindTargets = new ArrayList<ComponentName>(); bindTargets.add(new ComponentName(packageName, className)); boolean allocatedAppWidgets = false; // Try binding to an analog clock widget try { int appWidgetId = mAppWidgetHost.allocateAppWidgetId(); values.put(Favorites.ITEM_TYPE, Favorites.ITEM_TYPE_WIDGET_WEATHER); values.put(Favorites.SPANX,a.getString(R.styleable.Favorite_spanX)); values.put(Favorites.SPANY, a.getString(R.styleable.Favorite_spanY)); values.put(Favorites.APPWIDGET_ID, appWidgetId); db.insert(TABLE_FAVORITES, null, values); allocatedAppWidgets = true; Log.i(LOG_TAG, "addWeatherWidget -- allocatedAppWidgets = "+allocatedAppWidgets); } catch (RuntimeException ex) { Log.e(LOG_TAG, "Problem allocating appWidgetId", ex); } // If any appWidgetIds allocated, then launch over to binder if (allocatedAppWidgets) { launchAppWidgetBinder(bindSources, bindTargets); } return allocatedAppWidgets; } <weather launcher:packageName="com.moji.mjweather" launcher:className="com.moji.mjweather.CMojiWidget4x2" launcher:screen="3" launcher:x="0" launcher:y="1" launcher:spanX="4" launcher:spanY="2"/>
<widget launcher:packageName="..." //widget的packageName launcher:className=" ..." //实现 widget的 receiver 类的名称. launcher:container="..." //放置的位置（只能为desktop） launcher:screen="..." //放置在第几屏上 launcher:x="..." //放置的x位置 launcher:y="..." //放置的y位置 launcher:spanx="..." //在x方向上所占格数 launcher:spany="..."/> //在y方向上所占格数