标签:android
1、文字的颜色随状态而更改:放在res/color/目录下,使用android:textColor
<selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_selected="true" android:color="#3334ca"/> <item android:state_focused="true" android:color="#3334ca"/> <item android:state_pressed="true" android:color="#3334ca"/> <item android:color="#766545"/> </selector>
2、背景颜色随状态改变:放在res/color/目录下,使用android:background:
<selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_selected="true"><shape> <gradient android:angle="0" android:centerColor="#12dcf4" android:endColor="#12dcf4" android:startColor="#12dcf4" /> </shape></item> <item android:state_focused="true"><shape> <gradient android:angle="0" android:centerColor="#12dcf4" android:endColor="#12dcf4" android:startColor="#12dcf4" /> </shape></item> <item android:state_pressed="true"><shape> <gradient android:angle="0" android:centerColor="#12dcf4" android:endColor="#12dcf4" android:startColor="#12dcf4" /> </shape></item> <item><shape> <gradient android:angle="0" android:centerColor="#02cd12" android:endColor="#02cd12" android:startColor="#02cd12" /> </shape></item> </selector>
3、获取字宽:
/** * 计算字宽(若设置了textStyle需进一步设置TextPaint) * * @param text * 文字 * @param size * 文字大小 * @return 此段文本的宽度 */ public static float getTextWidth(String text, float size) { TextPaint tp = new TextPaint(); tp.setTextSize(size); return tp.measureText(text); }
标签:android
原文地址:http://blog.csdn.net/u010142437/article/details/41345405