package com.loaderman.customviewdemo;import android.content.Context;import android.graphics.*;import android.util.AttributeSet;import android.view.View;public class BitmapShaderView extends View {    private Paint mPaint;    private Bitmap mBmp;    public BitmapShaderView(Context context, AttributeSet attrs) {        super(context, attrs);        mPaint = new Paint();        mBmp = BitmapFactory.decodeResource(getResources(), R.drawable.dog_edge);        /*        *       CLAMP  用边缘色彩来填充多余的空间        *       MIRROR 重复使用镜像模式的图像来填充多余的空间        *      REPEAT 重复原图像来填充多余的空间        */        mPaint.setShader(new BitmapShader(mBmp, Shader.TileMode.REPEAT, Shader.TileMode.REPEAT));    }    @Override    protected void onDraw(Canvas canvas) {        super.onDraw(canvas);        canvas.drawColor(Color.WHITE);        //getWidth()用于获取控件宽度，getHeight()用于获取控件高度        float left = getWidth() / 3;        float top = getHeight() / 3;        float right = getWidth() * 2 / 3;        float bottom = getHeight() * 2 / 3;        canvas.drawRect(left, top, right, bottom, mPaint);//        canvas.drawRect(0,0,getWidth(),getHeight(),mPaint);    }}

效果:

说明:

BitmapShader(Bitmap bitmap, TileMode tileX, TileMode tileY)

bitmap指定图案

tileX指定当X轴超出单张图片大小时所重复的策略

tileY指定当Y轴超出单张图片大小时所使用的重复策略