添加GroupList Demo

GroupList/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="gen"/>
+	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
+	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
+	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.DEPENDENCIES"/>
+	<classpathentry kind="output" path="bin/classes"/>
+</classpath>

GroupList/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>GroupList</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

GroupList/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.source=1.6

GroupList/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.ticktick.grouplist"
+    android:versionCode="1"
+    android:versionName="1.0" >
+
+    <uses-sdk
+        android:minSdkVersion="8"
+        android:targetSdkVersion="17" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:name="com.ticktick.grouplist.MainActivity"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

GroupList/proguard-project.txt

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+# To enable ProGuard in your project, edit project.properties
+# to define the proguard.config property as described in that file.
+#
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in ${sdk.dir}/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the ProGuard
+# include property in project.properties.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

GroupList/project.properties

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+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+#
+# This file must be checked in Version Control Systems.
+#
+# To customize properties used by the Ant build system edit
+# "ant.properties", and override values to adapt the script to your
+# project structure.
+#
+# To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
+#proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
+
+# Project target.
+target=android-18

GroupList/res/layout/activity_main.xml

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+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context=".MainActivity" >
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/hello_world" />
+
+</RelativeLayout>

GroupList/res/layout/grouplist_child.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="horizontal">
+
+    <TextView
+		android:id="@+id/GroupListChild"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:textColor="#FFFF0000"
+		android:layout_margin="10dp"
+		android:layout_centerInParent="true"/>
+
+</RelativeLayout>

GroupList/res/layout/grouplist_parent.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="horizontal">
+
+    <TextView
+		android:id="@+id/GroupListParent"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:textColor="@android:color/black"
+		android:textStyle="bold"
+		android:layout_margin="10dp"
+		android:layout_centerInParent="true"/>
+
+</RelativeLayout>

GroupList/res/menu/main.xml

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+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:showAsAction="never"
+        android:title="@string/action_settings"/>
+
+</menu>

GroupList/res/values-sw600dp/dimens.xml

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+<resources>
+
+    <!--
+         Customize dimensions originally defined in res/values/dimens.xml (such as
+         screen margins) for sw600dp devices (e.g. 7" tablets) here.
+    -->
+
+</resources>

GroupList/res/values-sw720dp-land/dimens.xml

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+<resources>
+
+    <!--
+         Customize dimensions originally defined in res/values/dimens.xml (such as
+         screen margins) for sw720dp devices (e.g. 10" tablets) in landscape here.
+    -->
+    <dimen name="activity_horizontal_margin">128dp</dimen>
+
+</resources>

GroupList/res/values-v11/styles.xml

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+<resources>
+
+    <!--
+        Base application theme for API 11+. This theme completely replaces
+        AppBaseTheme from res/values/styles.xml on API 11+ devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Holo.Light">
+        <!-- API 11 theme customizations can go here. -->
+    </style>
+
+</resources>

GroupList/res/values-v14/styles.xml

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+<resources>
+
+    <!--
+        Base application theme for API 14+. This theme completely replaces
+        AppBaseTheme from BOTH res/values/styles.xml and
+        res/values-v11/styles.xml on API 14+ devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Holo.Light.DarkActionBar">
+        <!-- API 14 theme customizations can go here. -->
+    </style>
+
+</resources>

GroupList/res/values/dimens.xml

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+<resources>
+
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+
+</resources>

GroupList/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="app_name">GroupList</string>
+    <string name="action_settings">Settings</string>
+    <string name="hello_world">Hello world!</string>
+
+</resources>

GroupList/res/values/styles.xml

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+<resources>
+
+    <!--
+        Base application theme, dependent on API level. This theme is replaced
+        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Light">
+        <!--
+            Theme customizations available in newer API levels can go in
+            res/values-vXX/styles.xml, while customizations related to
+            backward-compatibility can go here.
+        -->
+    </style>
+
+    <!-- Application theme. -->
+    <style name="AppTheme" parent="AppBaseTheme">
+        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
+    </style>
+
+</resources>

GroupList/src/com/ticktick/grouplist/GroupList.java

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+package com.ticktick.grouplist;
+
+import java.util.List;
+
+import android.view.View;
+
+public abstract class GroupList {
+
+    private final String mTitle; 
+
+    public GroupList(String title) {
+        mTitle = title;
+    }
+
+    public String getTitle() {
+        return mTitle;
+    }
+
+    public abstract List<GroupList> getChild();
+
+    public abstract int getResource();       
+
+    public abstract void buildView(View v);
+}

GroupList/src/com/ticktick/grouplist/GroupListAdapter.java

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+package com.ticktick.grouplist;
+
+import java.util.List;
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseExpandableListAdapter;
+import android.widget.RelativeLayout;
+
+public class GroupListAdapter extends BaseExpandableListAdapter {
+
+	private Context mContext;
+	private List<GroupList> mGroups;
+
+	public GroupListAdapter(Context context, List<GroupList> groups) {
+		this.mContext = context;
+		this.mGroups  = groups;
+	}
+
+	@Override
+	public Object getChild(int groupPosition, int childPosition) {
+
+	    List<GroupList> chList = mGroups.get(groupPosition).getChild();
+		if( chList == null) {
+		    return null;
+		}
+
+	    return chList.get(childPosition);
+	}
+
+	@Override
+	public long getChildId(int groupPosition, int childPosition) {
+
+		return childPosition;
+	}
+
+	@Override
+	public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View view,ViewGroup parent) {
+
+	    GroupList child = (GroupList)getChild(groupPosition, childPosition);
+	    if( child == null) {
+	        return null;
+	    }
+
+	    if (view == null) {		
+	    	LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);			
+	    	view = (RelativeLayout)inflater.inflate(child.getResource(), null);
+		}
+
+	    child.buildView(view);
+
+		return view;
+	}
+
+	@Override
+	public int getChildrenCount(int groupPosition) {
+
+	    List<GroupList> chList = mGroups.get(groupPosition).getChild();
+	    if( chList == null) {
+	        return 0;
+	    }
+
+		return chList.size();
+	}
+
+	@Override
+	public Object getGroup(int groupPosition) {
+		return mGroups.get(groupPosition);
+	}
+
+	@Override
+	public int getGroupCount() {
+		return mGroups.size();
+	}
+
+	@Override
+	public long getGroupId(int groupPosition) {
+		return groupPosition;
+	}
+
+	@Override
+	public View getGroupView(int groupPosition, boolean isLastChild, View view,ViewGroup parent) {
+
+	    GroupList group = (GroupList)getGroup(groupPosition);
+
+		if (view == null) {
+
+			LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);			
+	    	view = (RelativeLayout)inflater.inflate(group.getResource(), null);	   
+		}
+
+		group.buildView(view);
+
+		return view;
+	}
+
+	@Override
+	public boolean hasStableIds() {
+		return true;
+	}
+
+	@Override
+	public boolean isChildSelectable(int arg0, int arg1) {
+		return true;
+	}
+}