我有以下小部件服务，当我点击我的一个按钮时，它会更新文本视图。
UpdateWidgetService：
ipublic class UpdateWidgetService extends Service {
private static final String LOG = "widgetService";
private static final String MyOnClick1 = "myOnClickTag1";
private static final String MyOnClick2 = "myOnClickTag2";
private static final String MyOnClick3 = "myOnClickTag3";
static LocationClient mLocationClient;
@Override
public void onStart(Intent intent, int startId) {
Log.i(LOG, "Called and started");
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this.getApplicationContext());
int[] allWidgetIds = intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS);
ComponentName thisWidget = new ComponentName(getApplicationContext(), MyWidgetProvider.class);
int[] allWidgetIds2 = appWidgetManager.getAppWidgetIds(thisWidget);
Log.w(LOG, "From Intent" + String.valueOf(allWidgetIds.length));
Log.w(LOG, "Direct" + String.valueOf(allWidgetIds2.length));
for (int widgetId : allWidgetIds) {
// create some random data
int number = (new Random().nextInt(100));
RemoteViews remoteViews = new RemoteViews(this.getApplicationContext().getPackageName(), R.layout.widget_layout);
Log.w("WidgetExample", String.valueOf(number));
// Set the text
remoteViews.setTextViewText(R.id.widget_textview_gpscoords, "Random: " + String.valueOf(number));
// Register an onClickListener
Intent clickIntent = new Intent(this.getApplicationContext(), MyWidgetProvider.class);
clickIntent.setAction(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
clickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, allWidgetIds);
PendingIntent pendingIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, clickIntent, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.widget_button_dissarm, pendingIntent);
appWidgetManager.updateAppWidget(widgetId, remoteViews);
}
stopSelf();
super.onStart(intent, startId);
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
}
MyWidget Provider：
public class MyWidgetProvider extends AppWidgetProvider {
private static final String LOG = "de.vogella.android.widget.example";
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
Log.w(LOG, "onUpdate method called");
// Get all ids
ComponentName thisWidget = new ComponentName(context, MyWidgetProvider.class);
int[] allWidgetIds = appWidgetManager.getAppWidgetIds(thisWidget);
// Build the intent to call the service
Intent intent = new Intent(context.getApplicationContext(), UpdateWidgetService.class);
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, allWidgetIds);
// Update the widgets via the service
context.startService(intent);
}
}
android manifest：
<!-- Widget -->
<receiver
android:name="widget.MyWidgetProvider"
android:icon="@drawable/icon"
android:label="My Widget" >
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="@xml/example_appwidget_info" />
</receiver>
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<!-- Services -->
<service android:name="widget.UpdateWidgetService" >
</service>
现在我的问题是，如何确定点击了哪个按钮？我的小部件上有4个按钮，我想区分哪些按钮被点击？在我的例子中，按钮onclick的意图是ACTION_APPWIDGET_UPDATE我想我需要改变一些如何？
这样做的正确方法是什么？
最终我的按钮都会成为网络连接，这就是我使用该服务的原因，因为网络通话可能需要一些时间。
答案 0 :(得分：2)
我没有足够的声誉来评论你的帖子，所以我的答案只是为了从你那里获得更多信息，并向你展示如何为AppWidget按钮添加动作的简单示例。如果您接受我的回答，我会帮助您。顺便说一句，你没有在这里提供你的UpdateWidgetService.java，而是在AppWidgetProvider提供两次。
<强>更新
我会将UpdateWidgetService.java更改为以下代码。
public class UpdateWidgetService extends Service {
private static final String LOG = "widgetService";
// my changes - part 1 - beginning
private static final String BUTTON_ONE_CLICKED = "com.yourpackage.BUTTON_ONE_CLICKED";
private static final String BUTTON_TWO_CLICKED = "com.yourpackage.BUTTON_TWO_CLICKED";
private static final String BUTTON_THREE_CLICKED = "com.yourpackage.BUTTON_THREE_CLICKED";
private static final String BUTTON_FOUR_CLICKED = "com.yourpackage.BUTTON_FOUR_CLICKED";
// my changes - part 1 - end
@Override
public void onStart(Intent intent, int startId) {
Log.i(LOG, "Called and started");
// my changes - part 2 - beginning
if(BUTTON_ONE_CLICKED.equals(intent.getAction())) {
// do what should be done if button One has been clicked
}
if(BUTTON_TWO_CLICKED.equals(intent.getAction())) {
// do what should be done if button Two has been clicked
}
if(BUTTON_THREE_CLICKED.equals(intent.getAction())) {
// do what should be done if button Three has been clicked
}
if(BUTTON_FOUR_CLICKED.equals(intent.getAction())) {
// do what should be done if button Four has been clicked
}
// my changes - part 2 - end
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this.getApplicationContext());
int[] allWidgetIds = intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS);
ComponentName thisWidget = new ComponentName(getApplicationContext(), MyWidgetProvider.class);
int[] allWidgetIds2 = appWidgetManager.getAppWidgetIds(thisWidget);
Log.w(LOG, "From Intent" + String.valueOf(allWidgetIds.length));
Log.w(LOG, "Direct" + String.valueOf(allWidgetIds2.length));
for (int widgetId : allWidgetIds) {
// create some random data
int number = (new Random().nextInt(100));
RemoteViews remoteViews = new RemoteViews(this.getApplicationContext().getPackageName(), R.layout.widget_layout);
Log.w("WidgetExample", String.valueOf(number));
// Set the text
remoteViews.setTextViewText(R.id.widget_textview_gpscoords, "Random: " + String.valueOf(number));
// my changes - part 3 - beginning
Context context = getApplicationContext();
Intent buttonOneIntent = new Intent(context, UpdateWidgetService.class);
Intent buttonTwoIntent = new Intent(context, UpdateWidgetService.class);
Intent buttonThreeIntent = new Intent(context, UpdateWidgetService.class);
Intent buttonFourIntent = new Intent(context, UpdateWidgetService.class);
// set action
buttonOneIntent.setAction(BUTTON_ONE_CLICKED);
buttonTwoIntent.setAction(BUTTON_TWO_CLICKED);
buttonThreeIntent.setAction(BUTTON_THREE_CLICKED);
buttonFourIntent.setAction(BUTTON_FOUR_CLICKED);
// put widgetId
buttonOneIntent.putExtra("widgetId", widgetId);
buttonTwoIntent.putExtra("widgetId", widgetId);
buttonThreeIntent.putExtra("widgetId", widgetId);
buttonFourIntent.putExtra("widgetId", widgetId);
// make these intents unique to avoid collisions
buttonOneIntent.setData(Uri.withAppendedPath(Uri.parse("webcall_widget://buttonone/widgetid"), String.valueOf(widgetId)));
buttonTwoIntent.setData(Uri.withAppendedPath(Uri.parse("webcall_widget://buttontwo/widgetid"), String.valueOf(widgetId)));
buttonThreeIntent.setData(Uri.withAppendedPath(Uri.parse("webcall_widget://buttonthree/widgetid"), String.valueOf(widgetId)));
buttonFourIntent.setData(Uri.withAppendedPath(Uri.parse("webcall_widget://buttonfour/widgetid"), String.valueOf(widgetId)));
// pending intents
PendingIntent buttonOnePendingIntent = PendingIntent.getService(context, 0, buttonOneIntent, PendingIntent.FLAG_UPDATE_CURRENT);
PendingIntent buttonTwoPendingIntent = PendingIntent.getService(context, 0, buttonTwoIntent, PendingIntent.FLAG_UPDATE_CURRENT);
PendingIntent buttonThreePendingIntent = PendingIntent.getService(context, 0, buttonThreeIntent, PendingIntent.FLAG_UPDATE_CURRENT);
PendingIntent buttonFourPendingIntent = PendingIntent.getService(context, 0, buttonFourIntent, PendingIntent.FLAG_UPDATE_CURRENT);
// register onClickListeners to your buttons
remoteViews.setOnClickPendingIntent(R.id.button_one, buttonOnePendingIntent);
remoteViews.setOnClickPendingIntent(R.id.button_two, buttonTwoPendingIntent);
remoteViews.setOnClickPendingIntent(R.id.button_three, buttonThreePendingIntent);
remoteViews.setOnClickPendingIntent(R.id.button_four, buttonFourPendingIntent);
// my changes - part 3 - end
appWidgetManager.updateAppWidget(widgetId, remoteViews);
}
stopSelf();
super.onStart(intent, startId);
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
}
如果不清楚，请不要犹豫，请问我。