/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.appwidget; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.os.IBinder; import android.os.RemoteException; import android.os.ServiceManager; import android.util.DisplayMetrics; import android.util.TypedValue; import android.widget.RemoteViews; import com.android.internal.appwidget.IAppWidgetService; import java.lang.ref.WeakReference; import java.util.List; import java.util.WeakHashMap; /** * Updates AppWidget state; gets information about installed AppWidget providers and other * AppWidget related state. * * <div class="special reference"> * <h3>Developer Guides</h3> * <p>For more information about creating app widgets, read the * <a href="{@docRoot}guide/topics/appwidgets/index.html">App Widgets</a> developer guide.</p> * </div> */ public class AppWidgetManager { static final String TAG = "AppWidgetManager"; /** * Send this from your {@link AppWidgetHost} activity when you want to pick an AppWidget to display. * The AppWidget picker activity will be launched. * <p> * You must supply the following extras: * <table> * <tr> * <td>{@link #EXTRA_APPWIDGET_ID}</td> * <td>A newly allocated appWidgetId, which will be bound to the AppWidget provider * once the user has selected one.</td> * </tr> * </table> * * <p> * The system will respond with an onActivityResult call with the following extras in * the intent: * <table> * <tr> * <td>{@link #EXTRA_APPWIDGET_ID}</td> * <td>The appWidgetId that you supplied in the original intent.</td> * </tr> * </table> * <p> * When you receive the result from the AppWidget pick activity, if the resultCode is * {@link android.app.Activity#RESULT_OK}, an AppWidget has been selected. You should then * check the AppWidgetProviderInfo for the returned AppWidget, and if it has one, launch its configuration * activity. If {@link android.app.Activity#RESULT_CANCELED} is returned, you should delete * the appWidgetId. * * @see #ACTION_APPWIDGET_CONFIGURE */ public static final String ACTION_APPWIDGET_PICK = "android.appwidget.action.APPWIDGET_PICK"; /** * Similar to ACTION_APPWIDGET_PICK, but used from keyguard * @hide */ public static final String ACTION_KEYGUARD_APPWIDGET_PICK = "android.appwidget.action.KEYGUARD_APPWIDGET_PICK"; /** * Send this from your {@link AppWidgetHost} activity when you want to bind an AppWidget to * display and bindAppWidgetIdIfAllowed returns false. * <p> * You must supply the following extras: * <table> * <tr> * <td>{@link #EXTRA_APPWIDGET_ID}</td> * <td>A newly allocated appWidgetId, which will be bound to the AppWidget provider * you provide.</td> * </tr> * <tr> * <td>{@link #EXTRA_APPWIDGET_PROVIDER}</td> * <td>The BroadcastReceiver that will be the AppWidget provider for this AppWidget. * </td> * </tr> * </table> * * <p> * The system will respond with an onActivityResult call with the following extras in * the intent: * <table> * <tr> * <td>{@link #EXTRA_APPWIDGET_ID}</td> * <td>The appWidgetId that you supplied in the original intent.</td> * </tr> * </table> * <p> * When you receive the result from the AppWidget bind activity, if the resultCode is * {@link android.app.Activity#RESULT_OK}, the AppWidget has been bound. You should then * check the AppWidgetProviderInfo for the returned AppWidget, and if it has one, launch its * configuration activity. If {@link android.app.Activity#RESULT_CANCELED} is returned, you * should delete * the appWidgetId. * * @see #ACTION_APPWIDGET_CONFIGURE * */ public static final String ACTION_APPWIDGET_BIND = "android.appwidget.action.APPWIDGET_BIND"; /** * Sent when it is time to configure your AppWidget while it is being added to a host. * This action is not sent as a broadcast to the AppWidget provider, but as a startActivity * to the activity specified in the {@link AppWidgetProviderInfo AppWidgetProviderInfo meta-data}. * * <p> * The intent will contain the following extras: * <table> * <tr> * <td>{@link #EXTRA_APPWIDGET_ID}</td> * <td>The appWidgetId to configure.</td> * </tr> * </table> * * <p>If you return {@link android.app.Activity#RESULT_OK} using * {@link android.app.Activity#setResult Activity.setResult()}, the AppWidget will be added, * and you will receive an {@link #ACTION_APPWIDGET_UPDATE} broadcast for this AppWidget. * If you return {@link android.app.Activity#RESULT_CANCELED}, the host will cancel the add * and not display this AppWidget, and you will receive a {@link #ACTION_APPWIDGET_DELETED} broadcast. */ public static final String ACTION_APPWIDGET_CONFIGURE = "android.appwidget.action.APPWIDGET_CONFIGURE"; /** * An intent extra that contains one appWidgetId. * <p> * The value will be an int that can be retrieved like this: * {@sample frameworks/base/tests/appwidgets/AppWidgetHostTest/src/com/android/tests/appwidgethost/AppWidgetHostActivity.java getExtra_EXTRA_APPWIDGET_ID} */ public static final String EXTRA_APPWIDGET_ID = "appWidgetId"; /** * A bundle extra that contains the lower bound on the current width, in dips, of a widget instance. */ public static final String OPTION_APPWIDGET_MIN_WIDTH = "appWidgetMinWidth"; /** * A bundle extra that contains the lower bound on the current height, in dips, of a widget instance. */ public static final String OPTION_APPWIDGET_MIN_HEIGHT = "appWidgetMinHeight"; /** * A bundle extra that contains the upper bound on the current width, in dips, of a widget instance. */ public static final String OPTION_APPWIDGET_MAX_WIDTH = "appWidgetMaxWidth"; /** * A bundle extra that contains the upper bound on the current width, in dips, of a widget instance. */ public static final String OPTION_APPWIDGET_MAX_HEIGHT = "appWidgetMaxHeight"; /** * A bundle extra that hints to the AppWidgetProvider the category of host that owns this * this widget. Can have the value {@link * AppWidgetProviderInfo#WIDGET_CATEGORY_HOME_SCREEN} or {@link * AppWidgetProviderInfo#WIDGET_CATEGORY_KEYGUARD}. */ public static final String OPTION_APPWIDGET_HOST_CATEGORY = "appWidgetCategory"; /** * An intent extra which points to a bundle of extra information for a particular widget id. * In particular this bundle can contain EXTRA_APPWIDGET_WIDTH and EXTRA_APPWIDGET_HEIGHT. */ public static final String EXTRA_APPWIDGET_OPTIONS = "appWidgetOptions"; /** * An intent extra that contains multiple appWidgetIds. * <p> * The value will be an int array that can be retrieved like this: * {@sample frameworks/base/tests/appwidgets/AppWidgetHostTest/src/com/android/tests/appwidgethost/TestAppWidgetProvider.java getExtra_EXTRA_APPWIDGET_IDS} */ public static final String EXTRA_APPWIDGET_IDS = "appWidgetIds"; /** * An intent extra that contains the component name of a AppWidget provider. * <p> * The value will be an ComponentName. */ public static final String EXTRA_APPWIDGET_PROVIDER = "appWidgetProvider"; /** * An intent extra to pass to the AppWidget picker containing a {@link java.util.List} of * {@link AppWidgetProviderInfo} objects to mix in to the list of AppWidgets that are * installed. (This is how the launcher shows the search widget). */ public static final String EXTRA_CUSTOM_INFO = "customInfo"; /** * An intent extra to pass to the AppWidget picker containing a {@link java.util.List} of * {@link android.os.Bundle} objects to mix in to the list of AppWidgets that are * installed. It will be added to the extras object on the {@link android.content.Intent} * that is returned from the picker activity. * * {@more} */ public static final String EXTRA_CUSTOM_EXTRAS = "customExtras"; /** * An intent extra to pass to the AppWidget picker which allows the picker to filter * the list based on the {@link AppWidgetProviderInfo#widgetCategory}. * * @hide */ public static final String EXTRA_CATEGORY_FILTER = "categoryFilter"; /** * An intent extra to pass to the AppWidget picker to specify whether or not to sort * the list of caller-specified extra AppWidgets along with the rest of the AppWidgets * @hide */ public static final String EXTRA_CUSTOM_SORT = "customSort"; /** * A sentiel value that the AppWidget manager will never return as a appWidgetId. */ public static final int INVALID_APPWIDGET_ID = 0; /** * Sent when it is time to update your AppWidget. * * <p>This may be sent in response to a new instance for this AppWidget provider having * been instantiated, the requested {@link AppWidgetProviderInfo#updatePeriodMillis update interval} * having lapsed, or the system booting. * * <p> * The intent will contain the following extras: * <table> * <tr> * <td>{@link #EXTRA_APPWIDGET_IDS}</td> * <td>The appWidgetIds to update. This may be all of the AppWidgets created for this * provider, or just a subset. The system tries to send updates for as few AppWidget * instances as possible.</td> * </tr> * </table> * * @see AppWidgetProvider#onUpdate AppWidgetProvider.onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) */ public static final String ACTION_APPWIDGET_UPDATE = "android.appwidget.action.APPWIDGET_UPDATE"; /** * Sent when the custom extras for an AppWidget change. * * @see AppWidgetProvider#onAppWidgetOptionsChanged * AppWidgetProvider.onAppWidgetOptionsChanged(Context context, * AppWidgetManager appWidgetManager, int appWidgetId, Bundle newExtras) */ public static final String ACTION_APPWIDGET_OPTIONS_CHANGED = "android.appwidget.action.APPWIDGET_UPDATE_OPTIONS"; /** * Sent when an instance of an AppWidget is deleted from its host. * * @see AppWidgetProvider#onDeleted AppWidgetProvider.onDeleted(Context context, int[] appWidgetIds) */ public static final String ACTION_APPWIDGET_DELETED = "android.appwidget.action.APPWIDGET_DELETED"; /** * Sent when an instance of an AppWidget is removed from the last host. * * @see AppWidgetProvider#onEnabled AppWidgetProvider.onEnabled(Context context) */ public static final String ACTION_APPWIDGET_DISABLED = "android.appwidget.action.APPWIDGET_DISABLED"; /** * Sent when an instance of an AppWidget is added to a host for the first time. * This broadcast is sent at boot time if there is a AppWidgetHost installed with * an instance for this provider. * * @see AppWidgetProvider#onEnabled AppWidgetProvider.onEnabled(Context context) */ public static final String ACTION_APPWIDGET_ENABLED = "android.appwidget.action.APPWIDGET_ENABLED"; /** * Field for the manifest meta-data tag. * * @see AppWidgetProviderInfo */ public static final String META_DATA_APPWIDGET_PROVIDER = "android.appwidget.provider"; static WeakHashMap<Context, WeakReference<AppWidgetManager>> sManagerCache = new WeakHashMap<Context, WeakReference<AppWidgetManager>>(); static IAppWidgetService sService; Context mContext; private DisplayMetrics mDisplayMetrics; /** * Get the AppWidgetManager instance to use for the supplied {@link android.content.Context * Context} object. */ public static AppWidgetManager getInstance(Context context) { synchronized (sManagerCache) { if (sService == null) { IBinder b = ServiceManager.getService(Context.APPWIDGET_SERVICE); sService = IAppWidgetService.Stub.asInterface(b); } WeakReference<AppWidgetManager> ref = sManagerCache.get(context); AppWidgetManager result = null; if (ref != null) { result = ref.get(); } if (result == null) { result = new AppWidgetManager(context); sManagerCache.put(context, new WeakReference<AppWidgetManager>(result)); } return result; } } private AppWidgetManager(Context context) { mContext = context; mDisplayMetrics = context.getResources().getDisplayMetrics(); } /** * Set the RemoteViews to use for the specified appWidgetIds. * * Note that the RemoteViews parameter will be cached by the AppWidgetService, and hence should * contain a complete representation of the widget. For performing partial widget updates, see * {@link #partiallyUpdateAppWidget(int[], RemoteViews)}. * * <p> * It is okay to call this method both inside an {@link #ACTION_APPWIDGET_UPDATE} broadcast, * and outside of the handler. * This method will only work when called from the uid that owns the AppWidget provider. * * <p> * The total Bitmap memory used by the RemoteViews object cannot exceed that required to * fill the screen 1.5 times, ie. (screen width x screen height x 4 x 1.5) bytes. * * @param appWidgetIds The AppWidget instances for which to set the RemoteViews. * @param views The RemoteViews object to show. */ public void updateAppWidget(int[] appWidgetIds, RemoteViews views) { try { sService.updateAppWidgetIds(appWidgetIds, views); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Update the extras for a given widget instance. * * The extras can be used to embed additional information about this widget to be accessed * by the associated widget's AppWidgetProvider. * * @see #getAppWidgetOptions(int) * * @param appWidgetId The AppWidget instances for which to set the RemoteViews. * @param options The options to associate with this widget */ public void updateAppWidgetOptions(int appWidgetId, Bundle options) { try { sService.updateAppWidgetOptions(appWidgetId, options); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Get the extras associated with a given widget instance. * * The extras can be used to embed additional information about this widget to be accessed * by the associated widget's AppWidgetProvider. * * @see #updateAppWidgetOptions(int, Bundle) * * @param appWidgetId The AppWidget instances for which to set the RemoteViews. * @return The options associated with the given widget instance. */ public Bundle getAppWidgetOptions(int appWidgetId) { try { return sService.getAppWidgetOptions(appWidgetId); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Set the RemoteViews to use for the specified appWidgetId. * * Note that the RemoteViews parameter will be cached by the AppWidgetService, and hence should * contain a complete representation of the widget. For performing partial widget updates, see * {@link #partiallyUpdateAppWidget(int, RemoteViews)}. * * <p> * It is okay to call this method both inside an {@link #ACTION_APPWIDGET_UPDATE} broadcast, * and outside of the handler. * This method will only work when called from the uid that owns the AppWidget provider. * * <p> * The total Bitmap memory used by the RemoteViews object cannot exceed that required to * fill the screen 1.5 times, ie. (screen width x screen height x 4 x 1.5) bytes. * * @param appWidgetId The AppWidget instance for which to set the RemoteViews. * @param views The RemoteViews object to show. */ public void updateAppWidget(int appWidgetId, RemoteViews views) { updateAppWidget(new int[] { appWidgetId }, views); } /** * Perform an incremental update or command on the widget(s) specified by appWidgetIds. * * This update differs from {@link #updateAppWidget(int[], RemoteViews)} in that the * RemoteViews object which is passed is understood to be an incomplete representation of the * widget, and hence does not replace the cached representation of the widget. As of API * level 17, the new properties set within the views objects will be appended to the cached * representation of the widget, and hence will persist. * * Use with {@link RemoteViews#showNext(int)}, {@link RemoteViews#showPrevious(int)}, * {@link RemoteViews#setScrollPosition(int, int)} and similar commands. * * <p> * It is okay to call this method both inside an {@link #ACTION_APPWIDGET_UPDATE} broadcast, * and outside of the handler. * This method will only work when called from the uid that owns the AppWidget provider. * * <p> * This method will be ignored if a widget has not received a full update via * {@link #updateAppWidget(int[], RemoteViews)}. * * @param appWidgetIds The AppWidget instances for which to set the RemoteViews. * @param views The RemoteViews object containing the incremental update / command. */ public void partiallyUpdateAppWidget(int[] appWidgetIds, RemoteViews views) { try { sService.partiallyUpdateAppWidgetIds(appWidgetIds, views); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Perform an incremental update or command on the widget specified by appWidgetId. * * This update differs from {@link #updateAppWidget(int, RemoteViews)} in that the RemoteViews * object which is passed is understood to be an incomplete representation of the widget, and * hence is not cached by the AppWidgetService. Note that because these updates are not cached, * any state that they modify that is not restored by restoreInstanceState will not persist in * the case that the widgets are restored using the cached version in AppWidgetService. * * Use with {@link RemoteViews#showNext(int)}, {@link RemoteViews#showPrevious(int)}, * {@link RemoteViews#setScrollPosition(int, int)} and similar commands. * * <p> * It is okay to call this method both inside an {@link #ACTION_APPWIDGET_UPDATE} broadcast, * and outside of the handler. * This method will only work when called from the uid that owns the AppWidget provider. * * <p> * This method will be ignored if a widget has not received a full update via * {@link #updateAppWidget(int[], RemoteViews)}. * * @param appWidgetId The AppWidget instance for which to set the RemoteViews. * @param views The RemoteViews object containing the incremental update / command. */ public void partiallyUpdateAppWidget(int appWidgetId, RemoteViews views) { partiallyUpdateAppWidget(new int[] { appWidgetId }, views); } /** * Set the RemoteViews to use for all AppWidget instances for the supplied AppWidget provider. * * <p> * It is okay to call this method both inside an {@link #ACTION_APPWIDGET_UPDATE} broadcast, * and outside of the handler. * This method will only work when called from the uid that owns the AppWidget provider. * * @param provider The {@link ComponentName} for the {@link * android.content.BroadcastReceiver BroadcastReceiver} provider * for your AppWidget. * @param views The RemoteViews object to show. */ public void updateAppWidget(ComponentName provider, RemoteViews views) { try { sService.updateAppWidgetProvider(provider, views); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Notifies the specified collection view in all the specified AppWidget instances * to invalidate their currently data. * * @param appWidgetIds The AppWidget instances for which to notify of view data changes. * @param viewId The collection view id. */ public void notifyAppWidgetViewDataChanged(int[] appWidgetIds, int viewId) { try { sService.notifyAppWidgetViewDataChanged(appWidgetIds, viewId); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Notifies the specified collection view in all the specified AppWidget instance * to invalidate it's currently data. * * @param appWidgetId The AppWidget instance for which to notify of view data changes. * @param viewId The collection view id. */ public void notifyAppWidgetViewDataChanged(int appWidgetId, int viewId) { notifyAppWidgetViewDataChanged(new int[] { appWidgetId }, viewId); } /** * Return a list of the AppWidget providers that are currently installed. */ public List<AppWidgetProviderInfo> getInstalledProviders() { try { List<AppWidgetProviderInfo> providers = sService.getInstalledProviders(); for (AppWidgetProviderInfo info : providers) { // Converting complex to dp. info.minWidth = TypedValue.complexToDimensionPixelSize(info.minWidth, mDisplayMetrics); info.minHeight = TypedValue.complexToDimensionPixelSize(info.minHeight, mDisplayMetrics); info.minResizeWidth = TypedValue.complexToDimensionPixelSize(info.minResizeWidth, mDisplayMetrics); info.minResizeHeight = TypedValue.complexToDimensionPixelSize(info.minResizeHeight, mDisplayMetrics); } return providers; } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Get the available info about the AppWidget. * * @return A appWidgetId. If the appWidgetId has not been bound to a provider yet, or * you don't have access to that appWidgetId, null is returned. */ public AppWidgetProviderInfo getAppWidgetInfo(int appWidgetId) { try { AppWidgetProviderInfo info = sService.getAppWidgetInfo(appWidgetId); if (info != null) { // Converting complex to dp. info.minWidth = TypedValue.complexToDimensionPixelSize(info.minWidth, mDisplayMetrics); info.minHeight = TypedValue.complexToDimensionPixelSize(info.minHeight, mDisplayMetrics); info.minResizeWidth = TypedValue.complexToDimensionPixelSize(info.minResizeWidth, mDisplayMetrics); info.minResizeHeight = TypedValue.complexToDimensionPixelSize(info.minResizeHeight, mDisplayMetrics); } return info; } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Set the component for a given appWidgetId. * * <p class="note">You need the BIND_APPWIDGET permission or the user must have enabled binding * widgets always for your component. This method is used by the AppWidget picker and * should not be used by other apps. * * @param appWidgetId The AppWidget instance for which to set the RemoteViews. * @param provider The {@link android.content.BroadcastReceiver} that will be the AppWidget * provider for this AppWidget. * @hide */ public void bindAppWidgetId(int appWidgetId, ComponentName provider) { try { sService.bindAppWidgetId(appWidgetId, provider, null); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Set the component for a given appWidgetId. * * <p class="note">You need the BIND_APPWIDGET permission or the user must have enabled binding * widgets always for your component. This method is used by the AppWidget picker and * should not be used by other apps. * * @param appWidgetId The AppWidget instance for which to set the RemoteViews. * @param provider The {@link android.content.BroadcastReceiver} that will be the AppWidget * provider for this AppWidget. * @param options Bundle containing options for the AppWidget. See also * {@link #updateAppWidgetOptions(int, Bundle)} * * @hide */ public void bindAppWidgetId(int appWidgetId, ComponentName provider, Bundle options) { try { sService.bindAppWidgetId(appWidgetId, provider, options); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Set the component for a given appWidgetId. * * <p class="note">You need the BIND_APPWIDGET permission or the user must have enabled binding * widgets always for your component. Should be used by apps that host widgets; if this * method returns false, call {@link #ACTION_APPWIDGET_BIND} to request permission to * bind * * @param appWidgetId The AppWidget instance for which to set the RemoteViews. * @param provider The {@link android.content.BroadcastReceiver} that will be the AppWidget * provider for this AppWidget. * @return true if this component has permission to bind the AppWidget */ public boolean bindAppWidgetIdIfAllowed(int appWidgetId, ComponentName provider) { if (mContext == null) { return false; } try { return sService.bindAppWidgetIdIfAllowed( mContext.getPackageName(), appWidgetId, provider, null); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Set the component for a given appWidgetId. * * <p class="note">You need the BIND_APPWIDGET permission or the user must have enabled binding * widgets always for your component. Should be used by apps that host widgets; if this * method returns false, call {@link #ACTION_APPWIDGET_BIND} to request permission to * bind * * @param appWidgetId The AppWidget instance for which to set the RemoteViews. * @param provider The {@link android.content.BroadcastReceiver} that will be the AppWidget * provider for this AppWidget. * @param options Bundle containing options for the AppWidget. See also * {@link #updateAppWidgetOptions(int, Bundle)} * * @return true if this component has permission to bind the AppWidget */ public boolean bindAppWidgetIdIfAllowed(int appWidgetId, ComponentName provider, Bundle options) { if (mContext == null) { return false; } try { return sService.bindAppWidgetIdIfAllowed( mContext.getPackageName(), appWidgetId, provider, options); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Query if a given package was granted permission by the user to bind app widgets * * <p class="note">You need the MODIFY_APPWIDGET_BIND_PERMISSIONS permission * * @param packageName The package for which the permission is being queried * @return true if the package was granted permission by the user to bind app widgets * @hide */ public boolean hasBindAppWidgetPermission(String packageName) { try { return sService.hasBindAppWidgetPermission(packageName); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Changes any user-granted permission for the given package to bind app widgets * * <p class="note">You need the MODIFY_APPWIDGET_BIND_PERMISSIONS permission * * @param provider The package whose permission is being changed * @param permission Whether to give the package permission to bind widgets * @hide */ public void setBindAppWidgetPermission(String packageName, boolean permission) { try { sService.setBindAppWidgetPermission(packageName, permission); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Binds the RemoteViewsService for a given appWidgetId and intent. * * The appWidgetId specified must already be bound to the calling AppWidgetHost via * {@link android.appwidget.AppWidgetManager#bindAppWidgetId AppWidgetManager.bindAppWidgetId()}. * * @param appWidgetId The AppWidget instance for which to bind the RemoteViewsService. * @param intent The intent of the service which will be providing the data to the * RemoteViewsAdapter. * @param connection The callback interface to be notified when a connection is made or lost. * @hide */ public void bindRemoteViewsService(int appWidgetId, Intent intent, IBinder connection) { try { sService.bindRemoteViewsService(appWidgetId, intent, connection); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Unbinds the RemoteViewsService for a given appWidgetId and intent. * * The appWidgetId specified muse already be bound to the calling AppWidgetHost via * {@link android.appwidget.AppWidgetManager#bindAppWidgetId AppWidgetManager.bindAppWidgetId()}. * * @param appWidgetId The AppWidget instance for which to bind the RemoteViewsService. * @param intent The intent of the service which will be providing the data to the * RemoteViewsAdapter. * @hide */ public void unbindRemoteViewsService(int appWidgetId, Intent intent) { try { sService.unbindRemoteViewsService(appWidgetId, intent); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } /** * Get the list of appWidgetIds that have been bound to the given AppWidget * provider. * * @param provider The {@link android.content.BroadcastReceiver} that is the * AppWidget provider to find appWidgetIds for. */ public int[] getAppWidgetIds(ComponentName provider) { try { return sService.getAppWidgetIds(provider); } catch (RemoteException e) { throw new RuntimeException("system server dead?", e); } } }