本文介绍了多个Android窗口小部件实例仅更新最后一个窗口小部件的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我尝试使用此链接
我有一个应用小部件，可以显示用户选择的图片.(许多小部件-很多图片)我的问题是:无论我按屏幕上的哪个小部件-只有最后添加的小部件都会更新:这是我的代码
I have an app widget that shows a picture chosen by the user.(many widgets- many pictures)my problem is: no matter which widget on screen I press - only the last added widget gets updated:here is my code
我的Widget xml提供程序代码
My Widget xml provider Code
<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
android:initialLayout="@layout/widget_Test"
android:minHeight="146dip"
android:minWidth="146dip"
android:updatePeriodMillis="0" />
我的清单xml代码
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.test"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="8" />
<uses-permission android:name="android.permission.BIND_REMOTEVIEWS" >
</uses-permission>
<application
android:icon="@drawable/icon"
android:label="@string/app_name" >
<activity
android:name=".Activities.WidgetConfig"
android:screenOrientation="portrait" >
<!-- prbbly delete this line -->
<action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />
</activity>
<!-- Test Widget -->
<receiver
android:name=".Simple.Widget"
android:label="@string/app_widget_Test" >
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="@xml/widget_Test_provider" />
</receiver>
<service android:name=".Simple.Widget$TestWidgetService" />
</application>
</manifest>
小部件提供商
public class Widget extends AppWidgetProvider
{
public static String PREFENCES_WIDGET_CONFIGURE = "ActionConfigureWidget";
public static int[] widgets;
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager,
int[] appWidgetIds)
{
Intent svcIntent = new Intent(context, TESTWidgetService.class);
widgets = appWidgetIds;
context.startService(svcIntent);
}
public static class TESTWidgetService extends Service
{
@Override
public void onStart(Intent intent, int startId)
{
super.onStart(intent, startId);
// Update the widget
RemoteViews remoteView = buildRemoteView(this);
// Push update to homescreen
Mngr.getInstance().pushUpdate(remoteView,
getApplicationContext(), Widget.class);
// No more updates so stop the service and free resources
stopSelf();
}
public RemoteViews buildRemoteView(Context context)
{
RemoteViews remoteViews = new RemoteViews(context.getPackageName(),
R.layout.widget_TEST);
if (widgets != null)
{
int length = widgets.length;
for (int i = 0; i < length; i++)
{
Intent configIntent = new Intent(context,
WidgetConfig.class);
configIntent.setAction(Widget.PREFENCES_WIDGET_CONFIGURE);
String number = AppWidgetManager.EXTRA_APPWIDGET_ID
+ "number";
configIntent.putExtra(number, length);
String widgetID = AppWidgetManager.EXTRA_APPWIDGET_ID + i;
int id = widgets[i];
configIntent.putExtra(widgetID, id);
PendingIntent runTESTPendingIntent = PendingIntent
.getActivity(context, 0, configIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.TESTWidgetImage,
runTESTPendingIntent);
Mngr controller = Mngr.getInstance();
controller.updateTESTWidget(context, remoteViews);
}
}
return remoteViews;
}
@Override
public void onConfigurationChanged(Configuration newConfig)
{
int oldOrientation = this.getResources().getConfiguration().orientation;
if (newConfig.orientation != oldOrientation)
{
// Update the widget
RemoteViews remoteView = buildRemoteView(this);
// Push update to homescreen
Mngr.getInstance().pushUpdate(remoteView,
getApplicationContext(), Widget.class);
}
}
@Override
public IBinder onBind(Intent arg0)
{
// TODO Auto-generated method stub
return null;
}
}
}
我的配置活动
public class WidgetConfig extends ListActivity // implements
{
private Bundle m_extras;
private ArrayList<Test> m_tests = null;
private int mAppWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
ImageAdapter m_adapter;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.imagelist);
Resources res = getResources();
Mngr mngr = Mngr.getInstance();
mngr.setResources(res);
Context ctx = getApplicationContext();
mngr.setContext(ctx);
getTests();
m_adapter = new ImageAdapter(ctx, R.layout.row, m_tests);
ImageDownloader.Mode mode = ImageDownloader.Mode.CORRECT;
m_adapter.getImageDownloader().setMode(mode);
setListAdapter(m_adapter);
Intent intent = getIntent();
m_extras = intent.getExtras();
}
private void getTests()
{
m_tests = new ArrayList<Test>();
Resources res = getResources();
String[] TestNames = res.getStringArray(R.array.fav_Test_array);
TypedArray imgs = getResources().obtainTypedArray(
R.array.fav_Test_integer);
for (int i = 0; i < TestNames.length; i++)
{
Test o1 = new Test();
String TestName = TestNames[i];
int resID = imgs.getResourceId(i, -1);
o1.setTestName(TestName);
o1.setIMGID(resID);
m_tests.add(o1);
}
imgs.recycle();
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id)
{
ListAdapter adapt = l.getAdapter();
Object obj = adapt.getItem(position);
if (obj != null)
{
Mngr mngr = Mngr.getInstance();
Context context = getApplicationContext();
String key = context.getString(R.string.TestWidget_string) + "_"
+ AppWidgetManager.EXTRA_APPWIDGET_ID;
Test Test = (Test) obj;
String val = Test.getIMGID().toString();
mngr.putString(context, key, val);
updateWidget();
}
super.onListItemClick(l, v, position, id);
}
private void updateWidget()
{
Context ctx = getApplicationContext();
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(ctx);
setResult(RESULT_CANCELED);
if (m_extras != null)
{
Intent resultValue = new Intent();
int numberOfWidgets = m_extras.getInt(
AppWidgetManager.EXTRA_APPWIDGET_ID + "number",
AppWidgetManager.INVALID_APPWIDGET_ID);
for (int i = 0; i < numberOfWidgets; i++)
{
String stringID = AppWidgetManager.EXTRA_APPWIDGET_ID + i;
mAppWidgetId = m_extras.getInt(stringID,
AppWidgetManager.INVALID_APPWIDGET_ID);
/*************************************************************/
/*I Don't really know if I am using this piece of code right */
Uri data = Uri.withAppendedPath(Uri.parse("ABCD"
+ "://widget/id/"), String.valueOf(mAppWidgetId));
resultValue.setData(data);
/*************************************************************/
RemoteViews views = new RemoteViews(ctx.getPackageName(),
R.layout.widget_Test);
Mngr.getInstance().updateTestWidget(ctx, views);
appWidgetManager.updateAppWidget(mAppWidgetId, views);
resultValue.putExtra(stringID, mAppWidgetId);
}
setResult(RESULT_OK, resultValue);
finish();
}
}
}
我的Mngr码
public void updateTestWidget(Context context, RemoteViews remoteViews)
{
String key = context.getString(R.string.TestWidget_string) + "_"
+ AppWidgetManager.EXTRA_APPWIDGET_ID;
String s = getString(context, key, "");
if (s != null && s.equals("") == false)
{
int resID = Integer.valueOf(s);
remoteViews.setImageViewResource(R.id.TestWidgetImage, resID);
}
}
public void pushUpdate(RemoteViews remoteView, Context ctx, Class<?> cls)
{
ComponentName myWidget = new ComponentName(ctx, cls);
AppWidgetManager manager = AppWidgetManager.getInstance(ctx);
manager.updateAppWidget(myWidget, remoteView);
}
推荐答案
问题不是您的configActivity，问题出在您的widgetProvider中.我遇到了与您相同的问题，但是使用了链接您指定的.您需要在 buildRemoteView 中的 configIntent 上设置被黑客入侵"的意图.
The problem isn't your configActivity, the problem is in your widgetProvider. I had the same problem as you did but solved using the link you specified. You need to set the "hacked" intent on your configIntent in buildRemoteView.
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