按钮文字变色

我们首先添加一个ColorStateList资源XML文件，XML文件保存在res/color/button_text.xml: 

[代码]xml代码：

1	<?xml version="1.0" encoding="utf-8"?>

2	<selector xmlns:android="http://schemas.android.com/apk/res/android">

3	<item android:state_pressed="true"

4	android:color="#ffff0000"/> <!-- pressed -->

5	<item android:state_focused="true"

6	android:color="#ff0000ff"/> <!-- focused -->

7	<item android:color="#ff000000"/> <!-- default -->

8	</selector>

[代码]java代码：

view source print?

1	Button btn=(Button)findViewById(R.id.btn);

2	Resources resource=(Resources)getBaseContext().getResources();

3	ColorStateList csl=(ColorStateList)resource.getColorStateList(R.color.button_text);

4	if(csl!=null){

5	btn.setTextColor(color_state_list);//设置按钮文字颜色

6

}

或者也可以这样： 

[代码]java代码：

view source print?

1	XmlResourceParser xpp=Resources.getSystem().getXml(R.color.button_text);

2

try {

3	ColorStateList csl= ColorStateList.createFromXml(getResources(),xpp);

4	btn.setTextColor(csl);

5	} catch (Exception e) {

6	// TODO: handle exception

7

}

最后附上所有可能出现的状态： 

[代码]xml代码：

view source print?

01	<?xml version="1.0" encoding="utf-8"?>

02	<selector xmlns:android="http://schemas.android.com/apk/res/android" >

03

<item

04	android:color="hex_color"

05	android:state_pressed=["true" | "false"]

06	android:state_focused=["true" | "false"]

07	android:state_selected=["true" | "false"]

08	android:state_active=["true" | "false"]

09	android:state_checkable=["true" | "false"]

10	android:state_checked=["true" | "false"]

11	android:state_enabled=["true" | "false"]

12	android:state_window_focused=["true" | "false"] />

13	</selector>