├── .gitignore
├── ic_launcher-web.png
├── res
    ├── drawable-hdpi
    │   └── ic_launcher.png
    ├── drawable-mdpi
    │   └── ic_launcher.png
    ├── drawable-xhdpi
    │   └── ic_launcher.png
    ├── drawable-xxhdpi
    │   └── ic_launcher.png
    ├── values
    │   ├── dimens.xml
    │   ├── strings.xml
    │   └── styles.xml
    └── layout
    │   ├── item_example1.xml
    │   ├── load_empty.xml
    │   ├── load_error.xml
    │   ├── load_ing.xml
    │   ├── activity_main.xml
    │   ├── activity_example2.xml
    │   ├── activity_example1.xml
    │   └── activity_simple.xml
├── .classpath
├── project.properties
├── proguard-project.txt
├── src
    └── com
    │   └── shizhefei
    │       ├── test
    │           ├── MainActivity.java
    │           ├── SimpleActivity.java
    │           ├── Example2Activity.java
    │           ├── load
    │           │   └── LoadViewHelper.java
    │           └── Example1Activity.java
    │       └── view
    │           └── vary
    │               ├── IVaryViewHelper.java
    │               ├── VaryViewHelperX.java
    │               └── VaryViewHelper.java
├── .project
├── README.md
└── AndroidManifest.xml


/.gitignore:
--------------------------------------------------------------------------------
1 | /gen/
2 | /bin/
3 | 


--------------------------------------------------------------------------------
/ic_launcher-web.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/LuckyJayce/LoadViewHelper/HEAD/ic_launcher-web.png


--------------------------------------------------------------------------------
/res/drawable-hdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/LuckyJayce/LoadViewHelper/HEAD/res/drawable-hdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/drawable-mdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/LuckyJayce/LoadViewHelper/HEAD/res/drawable-mdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/drawable-xhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/LuckyJayce/LoadViewHelper/HEAD/res/drawable-xhdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/drawable-xxhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/LuckyJayce/LoadViewHelper/HEAD/res/drawable-xxhdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/values/dimens.xml:
--------------------------------------------------------------------------------
1 | <resources>
2 | 
3 |     <!-- Default screen margins, per the Android Design guidelines. -->
4 |     <dimen name="activity_horizontal_margin">16dp</dimen>
5 |     <dimen name="activity_vertical_margin">16dp</dimen>
6 | 
7 | </resources>
8 | 


--------------------------------------------------------------------------------
/res/layout/item_example1.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <TextView xmlns:android="http://schemas.android.com/apk/res/android"
3 |     android:layout_width="match_parent"
4 |     android:paddingLeft="8dp"
5 |     android:text="测试"
6 |     android:paddingRight="8dp"
7 |     android:gravity="center_vertical"
8 |     android:layout_height="50dp" />
9 | 


--------------------------------------------------------------------------------
/res/values/strings.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 | 
 4 |     <string name="app_name">LoadView</string>
 5 |     <string name="hello_world">Hello world!</string>
 6 |     <string name="action_settings">Settings</string>
 7 |     <string name="title_activity_simple">SimpleActivity</string>
 8 |     <string name="title_activity_example1">Example1Activity</string>
 9 |     <string name="title_activity_example2">Example2Activity</string>
10 | 
11 | </resources>
12 | 


--------------------------------------------------------------------------------
/.classpath:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <classpath>
 3 | 	<classpathentry kind="src" path="src"/>
 4 | 	<classpathentry kind="src" path="gen"/>
 5 | 	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
 6 | 	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
 7 | 	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.DEPENDENCIES"/>
 8 | 	<classpathentry kind="output" path="bin/classes"/>
 9 | </classpath>
10 | 


--------------------------------------------------------------------------------
/project.properties:
--------------------------------------------------------------------------------
 1 | # This file is automatically generated by Android Tools.
 2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED!
 3 | #
 4 | # This file must be checked in Version Control Systems.
 5 | #
 6 | # To customize properties used by the Ant build system edit
 7 | # "ant.properties", and override values to adapt the script to your
 8 | # project structure.
 9 | #
10 | # To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
11 | #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
12 | 
13 | # Project target.
14 | target=android-22
15 | 


--------------------------------------------------------------------------------
/res/layout/load_empty.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:gravity="center"
 6 |     android:background="#eee"
 7 |     android:orientation="vertical" >
 8 | 
 9 |     <TextView
10 |         android:id="@+id/textView1"
11 |         android:layout_width="wrap_content"
12 |         android:layout_height="wrap_content"
13 |         android:text="暂无数据" />
14 | 
15 |     <Button
16 |         android:id="@+id/button1"
17 |         android:layout_width="80dp"
18 |         android:layout_height="40dp"
19 |         android:layout_marginTop="12dp"
20 |         android:text="重试" />
21 | 
22 | </LinearLayout>


--------------------------------------------------------------------------------
/res/layout/load_error.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:gravity="center"
 6 |     android:background="#eee"
 7 |     android:orientation="vertical" >
 8 | 
 9 |     <TextView
10 |         android:id="@+id/textView1"
11 |         android:layout_width="wrap_content"
12 |         android:layout_height="wrap_content"
13 |         android:text="加载失败" />
14 | 
15 |     <Button
16 |         android:id="@+id/button1"
17 |         android:layout_width="80dp"
18 |         android:layout_height="40dp"
19 |         android:layout_marginTop="12dp"
20 |         android:text="重试" />
21 | 
22 | </LinearLayout>


--------------------------------------------------------------------------------
/res/layout/load_ing.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:gravity="center"
 6 |     android:background="#5555"
 7 |     android:orientation="vertical" >
 8 | 
 9 |     <ProgressBar
10 |         android:id="@+id/progressBar1"
11 |         android:layout_width="wrap_content"
12 |         android:layout_height="wrap_content" />
13 | 
14 |     <TextView
15 |         android:id="@+id/textView1"
16 |         android:layout_width="wrap_content"
17 |         android:layout_height="wrap_content"
18 |         android:layout_marginTop="12dp"
19 |         android:text="正在加载中..." />
20 | 
21 | </LinearLayout>


--------------------------------------------------------------------------------
/res/values/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme, dependent on API level. This theme is replaced
 5 |         by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
 6 |     -->
 7 |     <style name="AppBaseTheme" parent="@android:style/Theme.Light.NoTitleBar">
 8 |         <!--
 9 |             Theme customizations available in newer API levels can go in
10 |             res/values-vXX/styles.xml, while customizations related to
11 |             backward-compatibility can go here.
12 |         -->
13 |     </style>
14 | 
15 |     <!-- Application theme. -->
16 |     <style name="AppTheme" parent="AppBaseTheme">
17 |         <!-- All customizations that are NOT specific to a particular API-level can go here. -->
18 |     </style>
19 | 
20 | </resources>
21 | 


--------------------------------------------------------------------------------
/proguard-project.txt:
--------------------------------------------------------------------------------
 1 | # To enable ProGuard in your project, edit project.properties
 2 | # to define the proguard.config property as described in that file.
 3 | #
 4 | # Add project specific ProGuard rules here.
 5 | # By default, the flags in this file are appended to flags specified
 6 | # in ${sdk.dir}/tools/proguard/proguard-android.txt
 7 | # You can edit the include path and order by changing the ProGuard
 8 | # include property in project.properties.
 9 | #
10 | # For more details, see
11 | #   http://developer.android.com/guide/developing/tools/proguard.html
12 | 
13 | # Add any project specific keep options here:
14 | 
15 | # If your project uses WebView with JS, uncomment the following
16 | # and specify the fully qualified class name to the JavaScript interface
17 | # class:
18 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
19 | #   public *;
20 | #}
21 | 


--------------------------------------------------------------------------------
/src/com/shizhefei/test/MainActivity.java:
--------------------------------------------------------------------------------
 1 | package com.shizhefei.test;
 2 | 
 3 | import android.app.Activity;
 4 | import android.content.Intent;
 5 | import android.os.Bundle;
 6 | import android.view.View;
 7 | 
 8 | import com.shizhefei.view.loadview.R;
 9 | 
10 | public class MainActivity extends Activity {
11 | 
12 | 	@Override
13 | 	protected void onCreate(Bundle savedInstanceState) {
14 | 		super.onCreate(savedInstanceState);
15 | 		setContentView(R.layout.activity_main);
16 | 	}
17 | 
18 | 	public void showSimple(View view) {
19 | 		startActivity(new Intent(getApplicationContext(), SimpleActivity.class));
20 | 	}
21 | 
22 | 	public void showExample1(View view) {
23 | 		startActivity(new Intent(getApplicationContext(), Example1Activity.class));
24 | 	}
25 | 
26 | 	public void showExample2(View view) {
27 | 		startActivity(new Intent(getApplicationContext(), Example2Activity.class));
28 | 	}
29 | 
30 | }
31 | 


--------------------------------------------------------------------------------
/.project:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <projectDescription>
 3 | 	<name>LoadView</name>
 4 | 	<comment></comment>
 5 | 	<projects>
 6 | 	</projects>
 7 | 	<buildSpec>
 8 | 		<buildCommand>
 9 | 			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
10 | 			<arguments>
11 | 			</arguments>
12 | 		</buildCommand>
13 | 		<buildCommand>
14 | 			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
15 | 			<arguments>
16 | 			</arguments>
17 | 		</buildCommand>
18 | 		<buildCommand>
19 | 			<name>org.eclipse.jdt.core.javabuilder</name>
20 | 			<arguments>
21 | 			</arguments>
22 | 		</buildCommand>
23 | 		<buildCommand>
24 | 			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
25 | 			<arguments>
26 | 			</arguments>
27 | 		</buildCommand>
28 | 	</buildSpec>
29 | 	<natures>
30 | 		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
31 | 		<nature>org.eclipse.jdt.core.javanature</nature>
32 | 	</natures>
33 | </projectDescription>
34 | 


--------------------------------------------------------------------------------
/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
 1 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:gravity="center"
 6 |     android:orientation="vertical" >
 7 | 
 8 |     <Button
 9 |         android:id="@+id/button1"
10 |         android:layout_width="wrap_content"
11 |         android:layout_height="wrap_content"
12 |         android:onClick="showSimple"
13 |         android:text="简单演示" />
14 | 
15 |     <Button
16 |         android:id="@+id/button2"
17 |         android:layout_width="wrap_content"
18 |         android:layout_height="wrap_content"
19 |         android:onClick="showExample1"
20 |         android:text="学以致用" />
21 | 
22 |     <Button
23 |         android:id="@+id/button3"
24 |         android:layout_width="wrap_content"
25 |         android:layout_height="wrap_content"
26 |         android:onClick="showExample2"
27 |         android:text="哇，酷！" />
28 | 
29 | </LinearLayout>


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | # LoadViewHelper
 2 | 切换加载中，加载失败，加载成功布局，定义一个LoadViewHelper所有界面通用。
 3 | 
 4 | 
 5 |     LoadViewHelper helper = new LoadViewHelper(listView);  
 6 | 	  //将listview切换成显示加载中布局  
 7 | 		helper.showLoading("加载中...");  
 8 | 		//将listview切换成显示空数据布局
 9 | 		helper.showEmpty("暂无数据", "重试", new OnClickListener() {  
10 | 
11 | 			@Override  
12 | 			public void onClick(View v) {  
13 |   
14 | 			}  
15 | 		});  
16 | 
17 | # 联系方式和问题建议
18 | 
19 | * 微博:http://weibo.com/u/3181073384
20 | * QQ 群: 开源项目使用交流，问题解答: 549284336（开源盛世） 
21 | 
22 |   
23 | Copyright 2014 shizhefei（LuckyJayce）
24 | 
25 | Licensed under the Apache License, Version 2.0 (the "License");
26 | you may not use this file except in compliance with the License.
27 | You may obtain a copy of the License at
28 | 
29 |    http://www.apache.org/licenses/LICENSE-2.0
30 | 
31 | Unless required by applicable law or agreed to in writing, software
32 | distributed under the License is distributed on an "AS IS" BASIS,
33 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
34 | See the License for the specific language governing permissions and
35 | limitations under the License.
36 | 


--------------------------------------------------------------------------------
/src/com/shizhefei/view/vary/IVaryViewHelper.java:
--------------------------------------------------------------------------------
 1 | /*
 2 | Copyright 2015 shizhefei（LuckyJayce）
 3 | Licensed under the Apache License, Version 2.0 (the "License");
 4 | you may not use this file except in compliance with the License.
 5 | You may obtain a copy of the License at
 6 |    http://www.apache.org/licenses/LICENSE-2.0
 7 | Unless required by applicable law or agreed to in writing, software
 8 | distributed under the License is distributed on an "AS IS" BASIS,
 9 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 | See the License for the specific language governing permissions and
11 | limitations under the License.
12 |  */
13 | package com.shizhefei.view.vary;
14 | 
15 | import android.content.Context;
16 | import android.view.View;
17 | 
18 | public interface IVaryViewHelper {
19 | 
20 | 	public abstract View getCurrentLayout();
21 | 
22 | 	public abstract void restoreView();
23 | 
24 | 	public abstract void showLayout(View view);
25 | 
26 | 	public abstract void showLayout(int layoutId);
27 | 
28 | 	public abstract View inflate(int layoutId);
29 | 
30 | 	public abstract Context getContext();
31 | 
32 | 	public abstract View getView();
33 | 
34 | }


--------------------------------------------------------------------------------
/res/layout/activity_example2.xml:
--------------------------------------------------------------------------------
 1 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:orientation="vertical" >
 6 | 
 7 |     <LinearLayout
 8 |         android:layout_width="match_parent"
 9 |         android:layout_height="50dp" >
10 | 
11 |         <EditText
12 |             android:id="@+id/editText1"
13 |             android:layout_width="0dp"
14 |             android:layout_height="match_parent"
15 |             android:layout_weight="1"
16 |             android:ems="10"
17 |             android:paddingLeft="8dp"
18 |             android:paddingRight="8dp"
19 |             android:text="http://www.baidu.com" >
20 | 
21 |             <requestFocus />
22 |         </EditText>
23 | 
24 |         <Button
25 |             android:layout_width="80dp"
26 |             android:onClick="clickLoad"
27 |             android:layout_height="wrap_content"
28 |             android:text="加载" />
29 |     </LinearLayout>
30 | 
31 |     <WebView
32 |         android:id="@+id/webView1"
33 |         android:layout_width="match_parent"
34 |         android:layout_height="match_parent" />
35 | 
36 | </LinearLayout>


--------------------------------------------------------------------------------
/res/layout/activity_example1.xml:
--------------------------------------------------------------------------------
 1 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:orientation="vertical" >
 6 | 
 7 |     <LinearLayout
 8 |         android:layout_width="match_parent"
 9 |         android:layout_height="wrap_content" >
10 | 
11 |         <Button
12 |             android:layout_width="wrap_content"
13 |             android:layout_height="wrap_content"
14 |             android:onClick="showLoadError"
15 |             android:text="模拟加载失败" />
16 | 
17 |         <Button
18 |             android:layout_width="wrap_content"
19 |             android:layout_height="wrap_content"
20 |             android:onClick="showLoadSuccess"
21 |             android:text="模拟加载成功" />
22 | 
23 |         <Button
24 |             android:layout_width="wrap_content"
25 |             android:layout_height="wrap_content"
26 |             android:onClick="showLoadEmpty"
27 |             android:text="模拟无数据" />
28 |     </LinearLayout>
29 | 
30 |     <ListView
31 |         android:id="@+id/listView1"
32 |         android:layout_width="match_parent"
33 |         android:layout_height="match_parent" >
34 |     </ListView>
35 | 
36 | </LinearLayout>


--------------------------------------------------------------------------------
/src/com/shizhefei/test/SimpleActivity.java:
--------------------------------------------------------------------------------
 1 | package com.shizhefei.test;
 2 | 
 3 | import android.app.Activity;
 4 | import android.os.Bundle;
 5 | import android.view.View;
 6 | import android.view.View.OnClickListener;
 7 | import android.widget.Toast;
 8 | 
 9 | import com.shizhefei.test.load.LoadViewHelper;
10 | import com.shizhefei.view.loadview.R;
11 | 
12 | public class SimpleActivity extends Activity {
13 | 
14 | 	private LoadViewHelper helper;
15 | 
16 | 	@Override
17 | 	protected void onCreate(Bundle savedInstanceState) {
18 | 		super.onCreate(savedInstanceState);
19 | 		setContentView(R.layout.activity_simple);
20 | 		View contentLayout = findViewById(R.id.content_layout);
21 | 		helper = new LoadViewHelper(contentLayout);
22 | 	}
23 | 
24 | 	public void showError(View view) {
25 | 		helper.showError("加载失败", "重试", new OnClickListener() {
26 | 
27 | 			@Override
28 | 			public void onClick(View v) {
29 | 				Toast.makeText(getApplicationContext(), "点击了重试", Toast.LENGTH_SHORT).show();
30 | 			}
31 | 		});
32 | 	}
33 | 
34 | 	public void showEmpty(View view) {
35 | 		helper.showError("暂无数据", "重试", new OnClickListener() {
36 | 
37 | 			@Override
38 | 			public void onClick(View v) {
39 | 				Toast.makeText(getApplicationContext(), "点击了重试", Toast.LENGTH_SHORT).show();
40 | 			}
41 | 		});
42 | 	}
43 | 
44 | 	public void showLoading(View view) {
45 | 		helper.showLoading("加载中...");
46 | 	}
47 | 
48 | 	public void showSuccess(View view) {
49 | 		helper.restore();
50 | 	}
51 | }
52 | 


--------------------------------------------------------------------------------
/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.shizhefei.view.loadview"
 4 |     android:versionCode="1"
 5 |     android:versionName="1.0" >
 6 | 
 7 |     <uses-sdk
 8 |         android:minSdkVersion="8"
 9 |         android:targetSdkVersion="21" />
10 | 
11 |     <application
12 |         android:allowBackup="true"
13 |         android:icon="@drawable/ic_launcher"
14 |         android:label="@string/app_name"
15 |         android:theme="@style/AppTheme" >
16 |         <activity
17 |             android:name="com.shizhefei.test.MainActivity"
18 |             android:label="@string/app_name" >
19 |             <intent-filter>
20 |                 <action android:name="android.intent.action.MAIN" />
21 | 
22 |                 <category android:name="android.intent.category.LAUNCHER" />
23 |             </intent-filter>
24 |         </activity>
25 |         <activity
26 |             android:name="com.shizhefei.test.SimpleActivity"
27 |             android:label="@string/title_activity_simple" >
28 |         </activity>
29 |         <activity
30 |             android:name="com.shizhefei.test.Example1Activity"
31 |             android:label="@string/title_activity_example1" >
32 |         </activity>
33 |         <activity
34 |             android:name="com.shizhefei.test.Example2Activity"
35 |             android:label="@string/title_activity_example2" >
36 |         </activity>
37 |     </application>
38 |     
39 |     <uses-permission android:name="android.permission.INTERNET"/>
40 | 
41 | </manifest>
42 | 


--------------------------------------------------------------------------------
/src/com/shizhefei/test/Example2Activity.java:
--------------------------------------------------------------------------------
 1 | package com.shizhefei.test;
 2 | 
 3 | import android.app.Activity;
 4 | import android.os.Bundle;
 5 | import android.view.View;
 6 | import android.webkit.WebView;
 7 | import android.webkit.WebViewClient;
 8 | import android.widget.EditText;
 9 | 
10 | import com.shizhefei.test.load.LoadViewHelper;
11 | import com.shizhefei.view.loadview.R;
12 | import com.shizhefei.view.vary.VaryViewHelperX;
13 | 
14 | public class Example2Activity extends Activity {
15 | 
16 | 	private EditText editText;
17 | 	private WebView webView;
18 | 	private LoadViewHelper helper;
19 | 
20 | 	@Override
21 | 	protected void onCreate(Bundle savedInstanceState) {
22 | 		super.onCreate(savedInstanceState);
23 | 		setContentView(R.layout.activity_example2);
24 | 		editText = (EditText) findViewById(R.id.editText1);
25 | 		webView = (WebView) findViewById(R.id.webView1);
26 | 		helper = new LoadViewHelper(new VaryViewHelperX(webView));
27 | 		webView.setWebViewClient(webViewClient);
28 | 		webView.loadUrl(editText.getText().toString());
29 | 	}
30 | 
31 | 	public void clickLoad(View view) {
32 | 		webView.loadUrl(editText.getText().toString());
33 | 	}
34 | 
35 | 	private WebViewClient webViewClient = new WebViewClient() {
36 | 		@Override
37 | 		public void onPageStarted(WebView view, String url, android.graphics.Bitmap favicon) {
38 | 			super.onPageStarted(view, url, favicon);
39 | 			helper.showLoading("");
40 | 		};
41 | 
42 | 		@Override
43 | 		public void onPageFinished(WebView view, String url) {
44 | 			super.onPageFinished(view, url);
45 | 			helper.restore();
46 | 		};
47 | 
48 | 		@Override
49 | 		public boolean shouldOverrideUrlLoading(WebView view, String url) {
50 | 			view.loadUrl(url);
51 | 			return true;
52 | 		}
53 | 
54 | 	};
55 | 
56 | }
57 | 


--------------------------------------------------------------------------------
/res/layout/activity_simple.xml:
--------------------------------------------------------------------------------
 1 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     android:orientation="vertical" >
 6 | 
 7 |     <LinearLayout
 8 |         android:layout_width="match_parent"
 9 |         android:layout_height="wrap_content" >
10 | 
11 |         <Button
12 |             android:layout_width="wrap_content"
13 |             android:layout_height="wrap_content"
14 |             android:onClick="showError"
15 |             android:text="加载失败" />
16 | 
17 |         <Button
18 |             android:layout_width="wrap_content"
19 |             android:layout_height="wrap_content"
20 |             android:onClick="showLoading"
21 |             android:text="加载中" />
22 | 
23 |         <Button
24 |             android:layout_width="wrap_content"
25 |             android:layout_height="wrap_content"
26 |             android:onClick="showEmpty"
27 |             android:text="空数据" />
28 | 
29 |         <Button
30 |             android:layout_width="wrap_content"
31 |             android:layout_height="wrap_content"
32 |             android:onClick="showSuccess"
33 |             android:text="加载成功" />
34 |     </LinearLayout>
35 | 
36 |     <LinearLayout
37 |         android:layout_width="match_parent"
38 |         android:layout_height="match_parent"
39 |         android:id="@+id/content_layout"
40 |         android:gravity="center"
41 |         android:orientation="vertical" >
42 | 
43 |         <TextView
44 |             android:id="@+id/textView1"
45 |             android:layout_width="wrap_content"
46 |             android:layout_height="wrap_content"
47 |             android:text="数据获取成功" />
48 |     </LinearLayout>
49 | 
50 | </LinearLayout>


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/src/com/shizhefei/view/vary/VaryViewHelperX.java:
--------------------------------------------------------------------------------
 1 | /*
 2 | Copyright 2015 shizhefei（LuckyJayce）
 3 | Licensed under the Apache License, Version 2.0 (the "License");
 4 | you may not use this file except in compliance with the License.
 5 | You may obtain a copy of the License at
 6 |    http://www.apache.org/licenses/LICENSE-2.0
 7 | Unless required by applicable law or agreed to in writing, software
 8 | distributed under the License is distributed on an "AS IS" BASIS,
 9 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 | See the License for the specific language governing permissions and
11 | limitations under the License.
12 |  */
13 | package com.shizhefei.view.vary;
14 | 
15 | import android.content.Context;
16 | import android.view.View;
17 | import android.view.ViewGroup;
18 | import android.view.ViewGroup.LayoutParams;
19 | import android.widget.FrameLayout;
20 | 
21 | /**
22 |  * 用于切换布局,用一个新的布局覆盖在原布局之上
23 |  * 
24 |  * @author LuckyJayce
25 |  *
26 |  */
27 | public class VaryViewHelperX implements IVaryViewHelper {
28 | 
29 | 	private IVaryViewHelper helper;
30 | 	private View view;
31 | 
32 | 	public VaryViewHelperX(View view) {
33 | 		super();
34 | 		this.view = view;
35 | 		ViewGroup group = (ViewGroup) view.getParent();
36 | 		LayoutParams layoutParams = view.getLayoutParams();
37 | 		FrameLayout frameLayout = new FrameLayout(view.getContext());
38 | 		group.removeView(view);
39 | 		group.addView(frameLayout, layoutParams);
40 | 
41 | 		LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
42 | 		View floatView = new View(view.getContext());
43 | 		frameLayout.addView(view, params);
44 | 		frameLayout.addView(floatView, params);
45 | 		helper = new VaryViewHelper(floatView);
46 | 	}
47 | 
48 | 	@Override
49 | 	public View getCurrentLayout() {
50 | 		return helper.getCurrentLayout();
51 | 	}
52 | 
53 | 	@Override
54 | 	public void restoreView() {
55 | 		helper.restoreView();
56 | 	}
57 | 
58 | 	@Override
59 | 	public void showLayout(View view) {
60 | 		helper.showLayout(view);
61 | 	}
62 | 
63 | 	@Override
64 | 	public void showLayout(int layoutId) {
65 | 		showLayout(inflate(layoutId));
66 | 	}
67 | 
68 | 	@Override
69 | 	public View inflate(int layoutId) {
70 | 		return helper.inflate(layoutId);
71 | 	}
72 | 
73 | 	@Override
74 | 	public Context getContext() {
75 | 		return helper.getContext();
76 | 	}
77 | 
78 | 	@Override
79 | 	public View getView() {
80 | 		return view;
81 | 	}
82 | }
83 | 


--------------------------------------------------------------------------------
/src/com/shizhefei/test/load/LoadViewHelper.java:
--------------------------------------------------------------------------------
 1 | /*
 2 | Copyright 2015 shizhefei（LuckyJayce）
 3 | Licensed under the Apache License, Version 2.0 (the "License");
 4 | you may not use this file except in compliance with the License.
 5 | You may obtain a copy of the License at
 6 |    http://www.apache.org/licenses/LICENSE-2.0
 7 | Unless required by applicable law or agreed to in writing, software
 8 | distributed under the License is distributed on an "AS IS" BASIS,
 9 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 | See the License for the specific language governing permissions and
11 | limitations under the License.
12 |  */
13 | package com.shizhefei.test.load;
14 | 
15 | import com.shizhefei.view.loadview.R;
16 | import com.shizhefei.view.vary.IVaryViewHelper;
17 | import com.shizhefei.view.vary.VaryViewHelper;
18 | 
19 | import android.view.View;
20 | import android.view.View.OnClickListener;
21 | import android.widget.Button;
22 | import android.widget.TextView;
23 | 
24 | /**
25 |  * 自定义要切换的布局，通过IVaryViewHelper实现真正的切换<br>
26 |  * 使用者可以根据自己的需求，使用自己定义的布局样式
27 |  * 
28 |  * @author LuckyJayce
29 |  *
30 |  */
31 | public class LoadViewHelper {
32 | 
33 | 	private IVaryViewHelper helper;
34 | 
35 | 	public LoadViewHelper(View view) {
36 | 		this(new VaryViewHelper(view));
37 | 	}
38 | 
39 | 	public LoadViewHelper(IVaryViewHelper helper) {
40 | 		super();
41 | 		this.helper = helper;
42 | 	}
43 | 
44 | 	public void showError(String errorText, String buttonText, OnClickListener onClickListener) {
45 | 		View layout = helper.inflate(R.layout.load_error);
46 | 		TextView textView = (TextView) layout.findViewById(R.id.textView1);
47 | 		textView.setText(errorText);
48 | 		Button button = (Button) layout.findViewById(R.id.button1);
49 | 		button.setText(buttonText);
50 | 		button.setOnClickListener(onClickListener);
51 | 		helper.showLayout(layout);
52 | 	}
53 | 
54 | 	public void showEmpty(String errorText, String buttonText, OnClickListener onClickListener) {
55 | 		View layout = helper.inflate(R.layout.load_empty);
56 | 		TextView textView = (TextView) layout.findViewById(R.id.textView1);
57 | 		textView.setText(errorText);
58 | 		Button button = (Button) layout.findViewById(R.id.button1);
59 | 		button.setText(buttonText);
60 | 		button.setOnClickListener(onClickListener);
61 | 		helper.showLayout(layout);
62 | 	}
63 | 
64 | 	public void showLoading(String loadText) {
65 | 		View layout = helper.inflate(R.layout.load_ing);
66 | 		TextView textView = (TextView) layout.findViewById(R.id.textView1);
67 | 		textView.setText(loadText);
68 | 		helper.showLayout(layout);
69 | 	}
70 | 
71 | 	public void restore() {
72 | 		helper.restoreView();
73 | 	}
74 | }
75 | 


--------------------------------------------------------------------------------
/src/com/shizhefei/view/vary/VaryViewHelper.java:
--------------------------------------------------------------------------------
  1 | /*
  2 | Copyright 2015 shizhefei（LuckyJayce）
  3 | Licensed under the Apache License, Version 2.0 (the "License");
  4 | you may not use this file except in compliance with the License.
  5 | You may obtain a copy of the License at
  6 |    http://www.apache.org/licenses/LICENSE-2.0
  7 | Unless required by applicable law or agreed to in writing, software
  8 | distributed under the License is distributed on an "AS IS" BASIS,
  9 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 10 | See the License for the specific language governing permissions and
 11 | limitations under the License.
 12 |  */
 13 | package com.shizhefei.view.vary;
 14 | 
 15 | import android.content.Context;
 16 | import android.view.LayoutInflater;
 17 | import android.view.View;
 18 | import android.view.ViewGroup;
 19 | 
 20 | /**
 21 |  * 用于切换布局,用一个新的布局替换掉原先的布局
 22 |  * 
 23 |  * @author LuckyJayce
 24 |  *
 25 |  */
 26 | public class VaryViewHelper implements IVaryViewHelper {
 27 | 	private View view;
 28 | 	private ViewGroup parentView;
 29 | 	private int viewIndex;
 30 | 	private ViewGroup.LayoutParams params;
 31 | 	private View currentView;
 32 | 
 33 | 	public VaryViewHelper(View view) {
 34 | 		super();
 35 | 		this.view = view;
 36 | 	}
 37 | 
 38 | 	private void init() {
 39 | 		params = view.getLayoutParams();
 40 | 		if (view.getParent() != null) {
 41 | 			parentView = (ViewGroup) view.getParent();
 42 | 		} else {
 43 | 			parentView = (ViewGroup) view.getRootView().findViewById(android.R.id.content);
 44 | 		}
 45 | 		int count = parentView.getChildCount();
 46 | 		for (int index = 0; index < count; index++) {
 47 | 			if (view == parentView.getChildAt(index)) {
 48 | 				viewIndex = index;
 49 | 				break;
 50 | 			}
 51 | 		}
 52 | 		currentView = view;
 53 | 	}
 54 | 
 55 | 	@Override
 56 | 	public View getCurrentLayout() {
 57 | 		return currentView;
 58 | 	}
 59 | 
 60 | 	@Override
 61 | 	public void restoreView() {
 62 | 		showLayout(view);
 63 | 	}
 64 | 
 65 | 	@Override
 66 | 	public void showLayout(View view) {
 67 | 		if (parentView == null) {
 68 | 			init();
 69 | 		}
 70 | 		this.currentView = view;
 71 | 		// 如果已经是那个view，那就不需要再进行替换操作了
 72 | 		if (parentView.getChildAt(viewIndex) != view) {
 73 | 			ViewGroup parent = (ViewGroup) view.getParent();
 74 | 			if (parent != null) {
 75 | 				parent.removeView(view);
 76 | 			}
 77 | 			parentView.removeViewAt(viewIndex);
 78 | 			parentView.addView(view, viewIndex, params);
 79 | 		}
 80 | 	}
 81 | 
 82 | 	@Override
 83 | 	public void showLayout(int layoutId) {
 84 | 		showLayout(inflate(layoutId));
 85 | 	}
 86 | 
 87 | 	@Override
 88 | 	public View inflate(int layoutId) {
 89 | 		return LayoutInflater.from(view.getContext()).inflate(layoutId, null);
 90 | 	}
 91 | 
 92 | 	@Override
 93 | 	public Context getContext() {
 94 | 		return view.getContext();
 95 | 	}
 96 | 
 97 | 	@Override
 98 | 	public View getView() {
 99 | 		return view;
100 | 	}
101 | }
102 | 


--------------------------------------------------------------------------------
/src/com/shizhefei/test/Example1Activity.java:
--------------------------------------------------------------------------------
  1 | package com.shizhefei.test;
  2 | 
  3 | import java.util.ArrayList;
  4 | import java.util.List;
  5 | import java.util.Random;
  6 | 
  7 | import android.app.Activity;
  8 | import android.os.AsyncTask;
  9 | import android.os.Bundle;
 10 | import android.view.View;
 11 | import android.view.View.OnClickListener;
 12 | import android.widget.ArrayAdapter;
 13 | import android.widget.ListView;
 14 | 
 15 | import com.shizhefei.test.load.LoadViewHelper;
 16 | import com.shizhefei.view.loadview.R;
 17 | 
 18 | public class Example1Activity extends Activity {
 19 | 
 20 | 	private ListView listView;
 21 | 	private LoadDataTask task;
 22 | 	private LoadViewHelper helper;
 23 | 	private ArrayAdapter<String> adapter;
 24 | 	private List<String> data = new ArrayList<String>();
 25 | 
 26 | 	@Override
 27 | 	protected void onCreate(Bundle savedInstanceState) {
 28 | 		super.onCreate(savedInstanceState);
 29 | 		setContentView(R.layout.activity_example1);
 30 | 		listView =(ListView) findViewById(R.id.listView1);
 31 | 		helper = new LoadViewHelper(listView);
 32 | 		listView.setAdapter(adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, data));
 33 | 		task = new LoadDataTask(3);
 34 | 		task.execute();
 35 | 	}
 36 | 
 37 | 	@Override
 38 | 	protected void onDestroy() {
 39 | 		super.onDestroy();
 40 | 		if (task != null) {
 41 | 			task.cancel(true);
 42 | 		}
 43 | 	}
 44 | 
 45 | 	public void showLoadError(View view) {
 46 | 		if (task != null) {
 47 | 			task.cancel(true);
 48 | 		}
 49 | 		task = new LoadDataTask(1);
 50 | 		task.execute();
 51 | 	}
 52 | 
 53 | 	public void showLoadEmpty(View view) {
 54 | 		if (task != null) {
 55 | 			task.cancel(true);
 56 | 		}
 57 | 		task = new LoadDataTask(2);
 58 | 		task.execute();
 59 | 	}
 60 | 
 61 | 	public void showLoadSuccess(View view) {
 62 | 		if (task != null) {
 63 | 			task.cancel(true);
 64 | 		}
 65 | 		task = new LoadDataTask(3);
 66 | 		task.execute();
 67 | 	}
 68 | 
 69 | 	private class LoadDataTask extends AsyncTask<Void, Void, List<String>> {
 70 | 		private int type;
 71 | 
 72 | 		public LoadDataTask(int type) {
 73 | 			super();
 74 | 			this.type = type;
 75 | 		}
 76 | 
 77 | 		@Override
 78 | 		protected void onPreExecute() {
 79 | 			super.onPreExecute();
 80 | 			helper.showLoading("加载中...");
 81 | 		}
 82 | 
 83 | 		@Override
 84 | 		protected List<String> doInBackground(Void... params) {
 85 | 			try {
 86 | 				// 模拟2秒到5秒的等待时间
 87 | 				Thread.sleep((new Random().nextInt(30) + 20) * 100);
 88 | 			} catch (InterruptedException e) {
 89 | 				e.printStackTrace();
 90 | 			}
 91 | 			if (type == 1) {
 92 | 				return null;
 93 | 			} else if (type == 2) {
 94 | 				return new ArrayList<String>(0);
 95 | 			}
 96 | 			List<String> strings = new ArrayList<String>();
 97 | 			for (int i = 0; i < 20; i++) {
 98 | 				strings.add("数据" + i);
 99 | 			}
100 | 			return strings;
101 | 		}
102 | 
103 | 		@Override
104 | 		protected void onPostExecute(List<String> result) {
105 | 			super.onPostExecute(result);
106 | 			if (result == null) {
107 | 				helper.showError("加载失败", "重试", new OnClickListener() {
108 | 
109 | 					@Override
110 | 					public void onClick(View v) {
111 | 						task = new LoadDataTask(1);
112 | 						task.execute();
113 | 					}
114 | 				});
115 | 			} else if (result.isEmpty()) {
116 | 				helper.showEmpty("暂无数据", "重试", new OnClickListener() {
117 | 
118 | 					@Override
119 | 					public void onClick(View v) {
120 | 						task = new LoadDataTask(2);
121 | 						task.execute();
122 | 					}
123 | 				});
124 | 			} else {
125 | 				data.clear();
126 | 				data.addAll(result);
127 | 				helper.restore();
128 | 				adapter.notifyDataSetChanged();
129 | 			}
130 | 		}
131 | 
132 | 	}
133 | }
134 | 


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