Level List
Level List
用户管理图片需要相互切换显示。
文件存放位置：
res/drawable/
语法：
<?xml version="1.0" encoding="utf-8"?>
<level-list
xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:drawable="@drawable/drawable_resource"
android:maxLevel="integer"
android:minLevel="integer" />
</level-list>
用法：
level_list_button_checkable.xml[html] view plaincopyprint?<?xml version="1.0" encoding="utf-8"?>
<level-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:drawable="@drawable/checkbox"
android:maxLevel="0" />
<item
android:drawable="@drawable/checkbox_selected"
android:maxLevel="1" />
</level-list>
<?xml version="1.0" encoding="utf-8"?>
<level-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:drawable="@drawable/checkbox"
android:maxLevel="0" />
<item
android:drawable="@drawable/checkbox_selected"
android:maxLevel="1" />
</level-list>layout_level_list.xml:
[html]
<?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="vertical" >
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:background="@drawable/level_list_button_checkable"
android:text="Button" />
</RelativeLayout>
<?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="vertical" >
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:background="@drawable/level_list_button_checkable"
android:text="Button" />
</RelativeLayout>LevelListActivity.java:
[java]
package com.hualu.animation.levellist;
import com.hualu.animation.R;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class LevelListActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.layout_level_list) ;
final Button b = (Button)this.findViewById(R.id.button1) ;
b.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
System.out.println("level change"+b.getBackground().getLevel());
b.getBackground().setLevel(1) ;
}
}) ;
}
}
package com.hualu.animation.levellist;
import com.hualu.animation.R;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class LevelListActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.layout_level_list) ;
final Button b = (Button)this.findViewById(R.id.button1) ;
b.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
System.out.println("level change"+b.getBackground().getLevel());
b.getBackground().setLevel(1) ;
}
}) ;
}
}
效果：
点击前：
点击后：
补充：移动开发 , Android ,
