Android 自定义组件实现圆角ImageView

3. 源码文件下面新建RadiuImageView继承AppCompatImageView

import android.content.Context;

import android.content.res.TypedArray;

import android.graphics.Canvas;

import android.graphics.Path;

import android.os.Build;

import android.util.AttributeSet;

import android.view.View;

import androidx.appcompat.widget.AppCompatImageView;

public class RadiuImageView extends AppCompatImageView {

private float width, height;

private int defaultRadius = 0;

private int radius;

private int leftTopRadius;

private int rightTopRadius;

private int rightBottomRadius;

private int leftBottomRadius;

public RadiuImageView(Context context) {

this(context, null);

init(context, null);

}

public RadiuImageView(Context