Android之shape与selector实现圆角
2013-07-26 09:56
477 查看
shape和selector是Android UI设计中经常用到的,比如我们要自定义一个圆角Button,点击Button有些效果的变化,就要用到shape和selector。可以这样说,shape和selector在美化控件中的作用是至关重要的。
作用:XML中定义的几何形状
位置:res/drawable/文件的名称.xml
使用的方法:
Java代码中:R.drawable.文件的名称
XML中:android:background="@drawable/文件的名称"
属性:
[html]
view plaincopyprint?
<shape>
android:shape=["rectangle" | "oval" | "line" | "ring"]
其中rectagle矩形,oval椭圆,line水平直线,ring环形
<shape>中子节点的常用属性:
<gradient> 渐变
android:startColor 起始颜色
android:endColor 结束颜色
android:angle 渐变角度,0从上到下,90表示从左到右,数值为45的整数倍默认为0;
android:type 渐变的样式 liner线性渐变 radial环形渐变 sweep
<solid
> 填充
android:color 填充的颜色
<stroke
> 描边
android:width 描边的宽度
android:color 描边的颜色
android:dashWidth 表示'-'横线的宽度
android:dashGap 表示'-'横线之间的距离
<corners
> 圆角
android:radius 圆角的半径 值越大角越圆
android:topRightRadius 右上圆角半径
android:bottomLeftRadius 右下圆角角半径
android:topLeftRadius 左上圆角半径
android:bottomRightRadius 左下圆角半径
2.Selector
简介
位置:res/drawable/文件的名称.xml
使用的方法:
Java代码中:R.drawable.文件的名称
XML中:android:background="@drawable/文件的名称"
selector.xml
[html]
view plaincopyprint?
<?xml
version="1.0"
encoding="utf-8"?>
<selector
xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_selected="true">
<shape>
<gradient
android:angle="270"
android:endColor="#99BD4C"
android:startColor="#A5D245"
/>
<size
android:height="60dp"
android:width="320dp"
/>
<corners
android:radius="8dp"
/>
</shape>
</item>
<item
android:state_pressed="true">
<shape>
<gradient
android:angle="270"
android:endColor="#99BD4C"
android:startColor="#A5D245"/>
<size
android:height="60dp"
android:width="320dp"
/>
<corners
android:radius="8dp"
/>
</shape>
</item>
<item>
<shape>
<gradient
android:angle="270"
android:endColor="#A8C3B0"
android:startColor="#C6CFCE"/>
<size
android:height="60dp"
android:width="320dp"
/>
<corners
android:radius="8dp"
/>
</shape>
</item>
</selector>
list_item.xml
[html]
view plaincopyprint?
<?xml
version="1.0"
encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@drawable/selector"
>
<ImageView
android:id="@+id/img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="20dp"
/>
<TextView
android:text="data"
android:id="@+id/title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:textSize="14sp"
android:textStyle="bold"
android:textColor="@color/black"
>
</TextView>
</LinearLayout>
main.xml
[html]
view plaincopyprint?
<?xml
version="1.0"
encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#253853"
>
<ListView
android:id="@+id/list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:cacheColorHint="#00000000"
android:divider="#2A4562"
android:dividerHeight="3px"
android:listSelector="#264365"
android:drawSelectorOnTop="false"
>
</ListView>
</LinearLayout>
colors.xml
[html]
view plaincopyprint?
<?xml
version="1.0"
encoding="utf-8"?>
<resources>
<color
name="white">#FFFFFFFF</color>
<color
name="transparency">#00000000</color>
<color
name="title_bg">#1C86EE</color>
<color
name="end_color">#A0cfef83</color>
<color
name="black">#464646</color>
</resources>
MainActivity
[java]
view plaincopyprint?
package com.lingdududu.customlist;
import java.util.ArrayList;
import java.util.HashMap;
import xb.customlist.R;
import android.R.array;
import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
public class MainActivity
extends Activity {
ListView list;
String data[] = new String[]{
"China","UK","USA","Japan","German","Canada","ET","Narotu"
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
list =(ListView) findViewById(R.id.list);
SimpleAdapter adapter = new SimpleAdapter(this, getData(), R.layout.list_item,
new String[]{"title","img"},
new int[]{R.id.title,R.id.img});
list.setAdapter(adapter);
}
private ArrayList<HashMap<String, Object>> getData() {
ArrayList<HashMap<String, Object>> dlist =
new ArrayList<HashMap<String,Object>>();
for(int i =0;i<data.length;i++){
HashMap<String, Object>map = new HashMap<String, Object>();
map.put("title", data[i]);
map.put("img", R.drawable.item_left2);
dlist.add(map);
}
return dlist;
}
}
效果图:
1.Shape
简介作用:XML中定义的几何形状
位置:res/drawable/文件的名称.xml
使用的方法:
Java代码中:R.drawable.文件的名称
XML中:android:background="@drawable/文件的名称"
属性:
[html]
view plaincopyprint?
<shape>
android:shape=["rectangle" | "oval" | "line" | "ring"]
其中rectagle矩形,oval椭圆,line水平直线,ring环形
<shape>中子节点的常用属性:
<gradient> 渐变
android:startColor 起始颜色
android:endColor 结束颜色
android:angle 渐变角度,0从上到下,90表示从左到右,数值为45的整数倍默认为0;
android:type 渐变的样式 liner线性渐变 radial环形渐变 sweep
<solid
> 填充
android:color 填充的颜色
<stroke
> 描边
android:width 描边的宽度
android:color 描边的颜色
android:dashWidth 表示'-'横线的宽度
android:dashGap 表示'-'横线之间的距离
<corners
> 圆角
android:radius 圆角的半径 值越大角越圆
android:topRightRadius 右上圆角半径
android:bottomLeftRadius 右下圆角角半径
android:topLeftRadius 左上圆角半径
android:bottomRightRadius 左下圆角半径
<shape> android:shape=["rectangle" | "oval" | "line" | "ring"] 其中rectagle矩形,oval椭圆,line水平直线,ring环形 <shape>中子节点的常用属性: <gradient> 渐变 android:startColor 起始颜色 android:endColor 结束颜色 android:angle 渐变角度,0从上到下,90表示从左到右,数值为45的整数倍默认为0; android:type 渐变的样式 liner线性渐变 radial环形渐变 sweep <solid > 填充 android:color 填充的颜色 <stroke > 描边 android:width 描边的宽度 android:color 描边的颜色 android:dashWidth 表示'-'横线的宽度 android:dashGap 表示'-'横线之间的距离 <corners > 圆角 android:radius 圆角的半径 值越大角越圆 android:topRightRadius 右上圆角半径 android:bottomLeftRadius 右下圆角角半径 android:topLeftRadius 左上圆角半径 android:bottomRightRadius 左下圆角半径
2.Selector
简介
位置:res/drawable/文件的名称.xml
使用的方法:
Java代码中:R.drawable.文件的名称
XML中:android:background="@drawable/文件的名称"
selector.xml
[html]
view plaincopyprint?
<?xml
version="1.0"
encoding="utf-8"?>
<selector
xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_selected="true">
<shape>
<gradient
android:angle="270"
android:endColor="#99BD4C"
android:startColor="#A5D245"
/>
<size
android:height="60dp"
android:width="320dp"
/>
<corners
android:radius="8dp"
/>
</shape>
</item>
<item
android:state_pressed="true">
<shape>
<gradient
android:angle="270"
android:endColor="#99BD4C"
android:startColor="#A5D245"/>
<size
android:height="60dp"
android:width="320dp"
/>
<corners
android:radius="8dp"
/>
</shape>
</item>
<item>
<shape>
<gradient
android:angle="270"
android:endColor="#A8C3B0"
android:startColor="#C6CFCE"/>
<size
android:height="60dp"
android:width="320dp"
/>
<corners
android:radius="8dp"
/>
</shape>
</item>
</selector>
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_selected="true"> <shape> <gradient android:angle="270" android:endColor="#99BD4C" android:startColor="#A5D245" /> <size android:height="60dp" android:width="320dp" /> <corners android:radius="8dp" /> </shape> </item> <item android:state_pressed="true"> <shape> <gradient android:angle="270" android:endColor="#99BD4C" android:startColor="#A5D245"/> <size android:height="60dp" android:width="320dp" /> <corners android:radius="8dp" /> </shape> </item> <item> <shape> <gradient android:angle="270" android:endColor="#A8C3B0" android:startColor="#C6CFCE"/> <size android:height="60dp" android:width="320dp" /> <corners android:radius="8dp" /> </shape> </item> </selector>
list_item.xml
[html]
view plaincopyprint?
<?xml
version="1.0"
encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@drawable/selector"
>
<ImageView
android:id="@+id/img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="20dp"
/>
<TextView
android:text="data"
android:id="@+id/title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:layout_marginLeft="20dp"
android:layout_marginTop="20dp"
android:textSize="14sp"
android:textStyle="bold"
android:textColor="@color/black"
>
</TextView>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="@drawable/selector" > <ImageView android:id="@+id/img" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_vertical" android:layout_marginLeft="20dp" /> <TextView android:text="data" android:id="@+id/title" android:layout_width="fill_parent" android:layout_height="wrap_content" android:gravity="center_vertical" android:layout_marginLeft="20dp" android:layout_marginTop="20dp" android:textSize="14sp" android:textStyle="bold" android:textColor="@color/black" > </TextView> </LinearLayout>
main.xml
[html]
view plaincopyprint?
<?xml
version="1.0"
encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#253853"
>
<ListView
android:id="@+id/list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:cacheColorHint="#00000000"
android:divider="#2A4562"
android:dividerHeight="3px"
android:listSelector="#264365"
android:drawSelectorOnTop="false"
>
</ListView>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="#253853" > <ListView android:id="@+id/list" android:layout_width="match_parent" android:layout_height="match_parent" android:cacheColorHint="#00000000" android:divider="#2A4562" android:dividerHeight="3px" android:listSelector="#264365" android:drawSelectorOnTop="false" > </ListView> </LinearLayout>
colors.xml
[html]
view plaincopyprint?
<?xml
version="1.0"
encoding="utf-8"?>
<resources>
<color
name="white">#FFFFFFFF</color>
<color
name="transparency">#00000000</color>
<color
name="title_bg">#1C86EE</color>
<color
name="end_color">#A0cfef83</color>
<color
name="black">#464646</color>
</resources>
<?xml version="1.0" encoding="utf-8"?> <resources> <color name="white">#FFFFFFFF</color> <color name="transparency">#00000000</color> <color name="title_bg">#1C86EE</color> <color name="end_color">#A0cfef83</color> <color name="black">#464646</color> </resources>
MainActivity
[java]
view plaincopyprint?
package com.lingdududu.customlist;
import java.util.ArrayList;
import java.util.HashMap;
import xb.customlist.R;
import android.R.array;
import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
public class MainActivity
extends Activity {
ListView list;
String data[] = new String[]{
"China","UK","USA","Japan","German","Canada","ET","Narotu"
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
list =(ListView) findViewById(R.id.list);
SimpleAdapter adapter = new SimpleAdapter(this, getData(), R.layout.list_item,
new String[]{"title","img"},
new int[]{R.id.title,R.id.img});
list.setAdapter(adapter);
}
private ArrayList<HashMap<String, Object>> getData() {
ArrayList<HashMap<String, Object>> dlist =
new ArrayList<HashMap<String,Object>>();
for(int i =0;i<data.length;i++){
HashMap<String, Object>map = new HashMap<String, Object>();
map.put("title", data[i]);
map.put("img", R.drawable.item_left2);
dlist.add(map);
}
return dlist;
}
}
package com.lingdududu.customlist; import java.util.ArrayList; import java.util.HashMap; import xb.customlist.R; import android.R.array; import android.app.Activity; import android.os.Bundle; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.SimpleAdapter; public class MainActivity extends Activity { ListView list; String data[] = new String[]{ "China","UK","USA","Japan","German","Canada","ET","Narotu" }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); list =(ListView) findViewById(R.id.list); SimpleAdapter adapter = new SimpleAdapter(this, getData(), R.layout.list_item, new String[]{"title","img"}, new int[]{R.id.title,R.id.img}); list.setAdapter(adapter); } private ArrayList<HashMap<String, Object>> getData() { ArrayList<HashMap<String, Object>> dlist = new ArrayList<HashMap<String,Object>>(); for(int i =0;i<data.length;i++){ HashMap<String, Object>map = new HashMap<String, Object>(); map.put("title", data[i]); map.put("img", R.drawable.item_left2); dlist.add(map); } return dlist; } }
效果图:
相关文章推荐
- Android之shape与selector实现圆角
- Android之shape与selector实现圆角
- Android之shape与selector实现圆角
- Android之shape与selector实现圆角
- Android之shape与selector实现圆角
- Android之shape与selector实现圆角
- Android 实现圆角按钮(selector和shape的简单用法)
- Android 实现圆角按钮(selector和shape的简单用法)
- Android之shape与selector实现圆角
- Android之shape与selector实现圆角
- Android之shape与selector实现圆角
- Android之shape与selector实现圆角
- Android之shape与selector实现圆角
- (转)Android之shape与selector实现圆角
- 使用selector和shape实现圆角选项
- shape文件用法二:在Android中,用XML文件实现圆角的效果
- ShapeDemo---Android布局实现圆角边框
- Android圆角、点击背景----shape和selector和layer-list使用
- android 圆角边框的实现及shape结构
- Android shape的使用实现圆角,虚线,渐变等效果