第三个---widget

NoteWidgetProvider_4x.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.micode.notes.widget;
+
+import android.appwidget.AppWidgetManager;
+import android.content.Context;
+
+import net.micode.notes.R;
+import net.micode.notes.data.Notes;
+import net.micode.notes.tool.ResourceParser;
+
+// 定义一个名为NoteWidgetProvider_4x的类，继承自NoteWidgetProvider类
+public class NoteWidgetProvider_4x extends NoteWidgetProvider {
+    // 重写onUpdate方法，用于更新小部件
+    @Override
+    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+        // 调用父类的update方法进行更新
+        super.update(context, appWidgetManager, appWidgetIds);
+    }
+// 获取布局资源ID的方法，返回4x大小的便笺部件布局资源ID
+    protected int getLayoutId() {
+        return R.layout.widget_4x;
+    }
+// 获取背景资源ID的方法，根据传入的背景ID返回对应的4x大小的背景资源ID
+    @Override
+    protected int getBgResourceId(int bgId) {
+        return ResourceParser.WidgetBgResources.getWidget4xBgResource(bgId);
+    }
+// 获取部件类型的方法，返回4x大小的便笺部件类型
+    @Override
+    protected int getWidgetType() {
+        return Notes.TYPE_WIDGET_4X;
+    }
+}