Android(安卓)attrs文件(自定义)属性详解
16lz
2021-12-04
在res/values文件夹下新建attrs.xml文件:
<declare-styleable name="MyView"> <attr name="a" format="integer">attr> <attr name="b" format="boolean">attr> <attr name="c" format="color">attr> <attr name="d" format="dimension">attr> <attr name="e">attr> <attr name="f">attr> <attr name="g" format="float">attr> <attr name="h" format="fraction">attr> <attr name="i" format="reference">attr> <attr name="j" format="string">attr>declare-styleable><attr name="e"> <enum name="e1" value="1">enum> <enum name="e2" value="2">enum>attr><attr name="f"> <flag name="f1" value="1">flag> <flag name="f2" value="2">flag>attr>
使用:
.demo4.MyViewandroid:layout_width="match_parent"android:layout_height="match_parent"app:a="1"app:b="true"app:c="#ffffff"app:d="20dp"app:e="e1"app:f="f1|f2"app:g="0.1"app:h="100%"app:i="@mipmap/ic_launcher"app:j="字符串" />
获取:
package wkk.demo4;import android.content.Context;import android.content.res.TypedArray;import android.util.AttributeSet;import android.view.View;/** * Created by wkk on 2016/5/13. */public class MyView extends View { public MyView(Context context, AttributeSet attrs) { super(context, attrs); TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MyView); int a = typedArray.getInt(R.styleable.MyView_a, 0); boolean b = typedArray.getBoolean(R.styleable.MyView_b, true); int c = typedArray.getColor(R.styleable.MyView_c, 0x00000000); int d = typedArray.getDimensionPixelSize(R.styleable.MyView_d, 0); int e = typedArray.getInt(R.styleable.MyView_e, 0); int f = typedArray.getInt(R.styleable.MyView_f, 0); float g = typedArray.getFloat(R.styleable.MyView_g, 0.1f); String h = typedArray.getString(R.styleable.MyView_h); int i = typedArray.getResourceId(R.styleable.MyView_i, -1); String j = typedArray.getString(R.styleable.MyView_j); typedArray.recycle(); }}
更多相关文章
- Android(安卓)记录一个智障错误
- View动画
- View动画
- Android中设置控件可见与不可见详解
- android app 启动会白屏的解决办法
- 【Unity3D】与Android相互传递消息
- 关于android多点触控
- Android的底层库libutils介绍
- Android中设置控件可见与不可见