自定义任一一个圆角圆角ImageView ，RelativeLayout

    
    import android.content.Context;
    import android.graphics.Bitmap;
    import android.graphics.BitmapShader;
    import android.graphics.Canvas;
    import android.graphics.Matrix;
    import android.graphics.Paint;
    import android.graphics.Path;
    import android.graphics.RectF;
    import android.graphics.Shader;
    import android.graphics.drawable.BitmapDrawable;
    import android.graphics.drawable.Drawable;
    import android.util.AttributeSet;
    
    
    
    public class RoundImageView extends androidx.appcompat.widget.AppCompatImageView {
    
    
    
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