Android灏忛儴浠讹紙Widget锛夋槸涓€绉嶅彲浠ュ湪鎵嬫満妗岄潰涓婃樉绀轰俊鎭垨鎻愪緵蹇嵎鎿嶄綔鐨刄I缁勪欢銆備互涓嬫槸浣跨敤Android灏忛儴浠剁殑姝ラ锛?/p>

1. 鍦ˋndroid椤圭洰鐨剅es/layout鏂囦欢澶逛笅鍒涘缓涓€涓柊鐨勫竷灞€鏂囦欢锛屽畾涔夊皬閮ㄤ欢鐨勬牱寮忓拰甯冨眬銆備緥濡傦紝鍙互鍒涘缓涓€涓猅extView鏉ユ樉绀轰俊鎭紝鎴栬€呭垱寤轰竴涓狟utton鏉ユ彁渚涘揩鎹锋搷浣溿€?/p>

2. 鍦ˋndroid椤圭洰鐨剅es/xml鏂囦欢澶逛笅鍒涘缓涓€涓柊鐨剎ml鏂囦欢锛屽畾涔夊皬閮ㄤ欢鐨勫睘鎬у拰琛屼负銆備緥濡傦紝鍙互瀹氫箟灏忛儴浠剁殑澶у皬銆佽儗鏅壊绛夊睘鎬с€?/p>

3. 鍦ˋndroidManifest.xml鏂囦欢涓０鏄庡皬閮ㄤ欢銆傚湪鏍囩鍐呮坊鍔?receiver>鏍囩锛屽苟璁剧疆intent-filter浠ュ強action灞炴€с€備緥濡傦細

   <receiver android:name=".MyWidgetProvider">
       <intent-filter>
           <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
       </intent-filter>
       <meta-data
           android:name="android.appwidget.provider"
           android:resource="@xml/widget_info" />
   </receiver>
   

4. 鍒涘缓涓€涓户鎵胯嚜AppWidgetProvider鐨勭被锛岀敤浜庡鐞嗗皬閮ㄤ欢鐨勬洿鏂板拰浜嬩欢銆備緥濡傦紝鍙互鍦╫nUpdate鏂规硶涓洿鏂板皬閮ㄤ欢鐨勫唴瀹癸紝鎴栬€呭湪onReceive鏂规硶涓鐞嗗皬閮ㄤ欢鐨勭偣鍑讳簨浠躲€?/p>

   public class MyWidgetProvider extends AppWidgetProvider {
       @Override
       public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
           // 鏇存柊灏忛儴浠剁殑鍐呭
       }
   
       @Override
       public void onReceive(Context context, Intent intent) {
           // 澶勭悊灏忛儴浠剁殑鐐瑰嚮浜嬩欢
       }
   }
   

5. 鍦╫nUpdate鏂规硶涓紝浣跨敤RemoteViews鏉ユ洿鏂板皬閮ㄤ欢鐨勫唴瀹广€備緥濡傦紝鍙互閫氳繃RemoteViews鐨剆etTextViewText鏂规硶鏉ユ洿鏂癟extView鐨勬枃鏈€?/p>

   RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
   views.setTextViewText(R.id.text_view, "Hello World");
   appWidgetManager.updateAppWidget(appWidgetIds, views);
   

6. 鍦╫nReceive鏂规硶涓紝鏍规嵁鐐瑰嚮浜嬩欢鐨勭被鍨嬫潵鎵ц鐩稿簲鐨勬搷浣溿€備緥濡傦紝鍙互閫氳繃Intent鐨刧etStringExtra鏂规硶鑾峰彇棰濆鐨勪俊鎭紝骞舵牴鎹俊鎭潵鎵ц涓嶅悓鐨勬搷浣溿€?/p>

   String action = intent.getAction();
   if (action.equals("my_custom_action")) {
       String extra = intent.getStringExtra("extra");
       // 鎵ц鐩稿簲鐨勬搷浣?/span>
   }
   

鍦ㄥ畬鎴愪互涓婃楠ゅ悗锛屽嵆鍙湪鎵嬫満妗岄潰涓婁娇鐢ˋndroid灏忛儴浠朵簡銆傚彲浠ュ湪甯冨眬鏂囦欢涓缃皬閮ㄤ欢鐨勬牱寮忓拰甯冨眬锛岀劧鍚庡湪浠ｇ爜涓洿鏂板皬閮ㄤ欢鐨勫唴瀹瑰拰澶勭悊鐐瑰嚮浜嬩欢銆?/p>