复杂的widget布局

packagecom.example.tlinux.widgetprovider;

importjava.util.ArrayList;

importjava.util.HashMap;

importjava.util.List;

importjava.util.Map;

importandroid.content.Context;

importandroid.content.Intent;

importandroid.database.Cursor;

importandroid.widget.RemoteViews;

importandroid.widget.RemoteViewsService.RemoteViewsFactory;

public classWidgetFactoryimplementsRemoteViewsFactory {

privateContextcontext;

privateListdata;

private intversion=0;

publicWidgetFactory(Context context,Intent intent) {

//TODO Auto-generated constructor stub

this.context= context;

data=newArrayList<>();

}

@Override

public voidonCreate() {

//TODO Auto-generated method stub

InitListViewData();

}

//初始化DATA

private voidInitListViewData() {

for(inti=version;i

data.add("position："+i);

}

version++;

}

@Override

public voidonDataSetChanged() {

//TODO Auto-generated method stub

}

@Override

public voidonDestroy() {

//TODO Auto-generated method stub

data.clear();

}

@Override

public intgetCount() {

//TODO Auto-generated method stub

returndata.size();

}

@Override

publicRemoteViewsgetViewAt(intposition) {

//TODO Auto-generated method stub

HashMap map;

RemoteViews remoteViews =newRemoteViews(context.getPackageName(),

R.layout.item);//获取item的视图

remoteViews.setTextViewText(R.id.tv_name,data.get(position));

returnremoteViews;

}

@Override

publicRemoteViewsgetLoadingView() {

//TODO Auto-generated method stub

return null;

}

@Override

public intgetViewTypeCount() {

//TODO Auto-generated method stub

return1;

}

@Override

public longgetItemId(intposition) {

//TODO Auto-generated method stub

returnposition;

}

@Override

public booleanhasStableIds() {

//TODO Auto-generated method stub

return true;

}

}

packagecom.example.tlinux.widgetprovider;
packagecom.example.tlinux.widgetprovider;

package="com.example.tlinux.widgetprovider">

android:allowBackup="true"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:theme="@style/AppTheme">

android:name=".MainActivity"

android:label="@string/app_name">

android:permission="android.permission.BIND_REMOTEVIEWS"

android:exported="false">

importandroid.app.PendingIntent;

importandroid.appwidget.AppWidgetManager;

importandroid.appwidget.AppWidgetProvider;

importandroid.content.ComponentName;

importandroid.content.Context;

importandroid.content.Intent;

importandroid.net.Uri;

importandroid.text.SpannableStringBuilder;

importandroid.text.format.Time;

importandroid.text.style.AbsoluteSizeSpan;

importandroid.text.style.TypefaceSpan;

importandroid.widget.RemoteViews;

importjava.util.Timer;

importjava.util.TimerTask;

/**

* Created by tlinux on 15-8-10.

*/

public classMyWidgetProviderextendsAppWidgetProvider {

privateAppWidgetManagerappWidgetManager;

private int[]appWidgetIds;

privateContextcontext;

@Override

public voidonReceive(Context context,Intent intent) {

super.onReceive(context,intent);

String action=intent.getAction();

if((context.getPackageName() +".APPWIDGET_UPDATE").equals(action)) {

AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);

performUpdate(context,appWidgetManager,

appWidgetManager.getAppWidgetIds(getComponentName(context)),

null/* no eventIds */);

}

}

staticComponentNamegetComponentName(Context context) {

return newComponentName(context,MyWidgetProvider.class);

}

@Override

public voidonUpdate(Context context,AppWidgetManager appWidgetManager, int[] appWidgetIds) {

super.onUpdate(context,appWidgetManager,appWidgetIds);

performUpdate(context,appWidgetManager,appWidgetIds, null);

}

private voidperformUpdate(Context context,AppWidgetManager appWidgetManager, int[] appWidgetIds, long[] changedEventIds) {

//        for (int appWidgetId: appWidgetIds){

//            Intent updateIntent=new Intent(context,MyWidgetService.class);

//            updateIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);

//            if (changedEventIds!=null){

//                updateIntent.putExtra("com.android.xxxx", changedEventIds);

//            }

//

//

//

//            updateIntent.setData(Uri.parse(updateIntent.toUri(Intent.URI_INTENT_SCHEME)));

//

//

//            RemoteViews views=new RemoteViews(context.getPackageName(), R.layout.appwidget);

//

//            Time time = new Time();

//            time.setToNow();

//            long millis = time.toMillis(true);

//

//            String monthDayStr = (time.month + 1) + "." + time.monthDay;

//            SpannableStringBuilder bob = new SpannableStringBuilder();

//            bob.append(monthDayStr);

//            bob.setSpan(new AbsoluteSizeSpan(22), 0, bob.length(), 0);

//            bob.setSpan(new TypefaceSpan("sans-serif-light"), 0, bob.length(), 0);

//            bob.append("  ");

//            int length = bob.length();

//            bob.append(time.year + "");

//            bob.setSpan(new AbsoluteSizeSpan(12), length, bob.length(), 0);

//            bob.setSpan(new TypefaceSpan("sans-serif-thin"), length, bob.length(), 0);

//

//            views.setTextViewText(R.id.tv_title, bob);

//

//            views.setRemoteAdapter(appWidgetId, R.id.lv_content, updateIntent);

//            appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetId, R.id.lv_content);

//

//            appWidgetManager.updateAppWidget(appWidgetId, views);

//        }

this.appWidgetIds= appWidgetIds;

this.appWidgetManager= appWidgetManager;

this.context= context;

Timer timer =newTimer();//时时更新

timer.schedule(newTimerTask() {

@Override

public voidrun() {

//TODO Auto-generated method stub

for(inti =0;i < MyWidgetProvider.this.appWidgetIds.length;i++)// appWidgetIds.length,表示创建了多shao个widget

{

Intent ServiceIntent =newIntent(MyWidgetProvider.this.context,MyWidgetService.class);

//创建一个intent，启动WidgetService，WidgetService事继承的RemoteViewsService，返回一个RemoteViewsFactory

ServiceIntent.putExtra(MyWidgetProvider.this.appWidgetManager.EXTRA_APPWIDGET_ID,

MyWidgetProvider.this.appWidgetIds[i]);

ServiceIntent.setData(Uri.parse(ServiceIntent.toUri(ServiceIntent.URI_INTENT_SCHEME)));

//设置uri，我不太清楚的地方是这边的uri是怎么获取到的，是根据刚开始new的时候得出的URI吗？

RemoteViews widgetRemoteView =newRemoteViews(MyWidgetProvider.this.context

.getPackageName(),R.layout.appwidget);

widgetRemoteView.setRemoteAdapter(MyWidgetProvider.this.appWidgetIds[i],

R.id.lv_content,ServiceIntent);

//走到这里大家应该可以看出chǔ理Listview需要用SetRemoteAdapter，和ServiceIntent返回的值

MyWidgetProvider.this.appWidgetManager.updateAppWidget(MyWidgetProvider.this.appWidgetIds[i],

widgetRemoteView);

}

}

},0,1000);

}

}

importandroid.appwidget.AppWidgetManager;

importandroid.content.BroadcastReceiver;

importandroid.content.Context;

importandroid.content.Intent;

importandroid.graphics.Color;

importandroid.widget.RemoteViews;

importandroid.widget.RemoteViewsService;

importjava.util.ArrayList;

importjava.util.List;

/**

* Created by tlinux on 15-8-10.

*/

public classMyWidgetServiceextendsRemoteViewsService {

@Override

publicRemoteViewsFactoryonGetViewFactory(Intent intent) {

return newWidgetFactory(this,intent);

}

}