Widget

来源：互联网发布：awesome note mac 编辑：程序博客网时间：2024/06/05 07:45

1.新建一个类，继承AppWidgetProvider

2.配置manifest文件

<span style="font-size:18px;"><span style="white-space:pre"></span><!--窗口小部件-->        <receiver android:name=".receiver.MyWidget">            <intent-filter>                <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>            </intent-filter>            <meta-data                android:name="android.appwidget.provider"                android:resource="@xml/process_widget_provider"/>        </receiver></span>

3.复写方法

public class MyWidget extends AppWidgetProvider{    //接收到广播时调用    @Override    public void onReceive(Context context, Intent intent) {        super.onReceive(context, intent);    }    //每次创建都会调用    @Override    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {        super.onUpdate(context, appWidgetManager, appWidgetIds);           }    //每次销毁都会调用    @Override    public void onDeleted(Context context, int[] appWidgetIds) {        super.onDeleted(context, appWidgetIds);    }    //创建第一个widget时调用    @Override    public void onEnabled(Context context) {        super.onEnabled(context);    }    //最后一个widget被销毁时调用    @Override    public void onDisabled(Context context) {        super.onDisabled(context);           }}

4.创建xml文件

<?xml version="1.0" encoding="utf-8"?><appwidget-provider    xmlns:android="http://schemas.android.com/apk/res/android"    android:initialLayout="@layout/process_widget"    android:minHeight="72.0dip"    android:minWidth="294.0dip"    android:updatePeriodMillis="0"/>

5.创建布局文件

6.获取窗口小部件管理器

AppWidgetManager mAwm = AppWidgetManager.getInstance(this)

<span style="white-space:pre"></span>ComponentName provider = new ComponentName(getApplicationContext(), MyWidget.class);                RemoteViews views = new RemoteViews(getPackageName(), R.layout.process_widget);                views.setTextViewText(R.id.process_count,text);                             Intent intent = new Intent();

<span style="white-space:pre"></span>//自定义动作                intent.setAction("com.example.frog.mobilsafe.ACTION_KILL");                PendingIntent pendingIntent = PendingIntent.getBroadcast(getApplicationContext(),0,intent,PendingIntent.FLAG_UPDATE_CURRENT);

<span style="white-space:pre"></span>//设置点击事件                views.setOnClickPendingIntent(R.id.btn_clear,pendingIntent);<span style="white-space:pre"></span>//更新窗口小部件UI                mAwm.updateAppWidget(provider, views);

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