android自定义圆角动画按钮

 

 

package com.geolo.android;import android.content.Context;import android.graphics.Bitmap;import android.graphics.Bitmap.Config;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Matrix;import android.graphics.Paint;import android.graphics.PorterDuff.Mode;import android.graphics.PorterDuffXfermode;import android.graphics.Rect;import android.graphics.RectF;import android.util.AttributeSet;import android.view.MotionEvent;import android.widget.ImageView;public class MyButtonView extends ImageView{private Bitmap animBitmap = null;private Bitmap buttonBitmap = null;private int moveX = 0;private boolean isPress = false;private int timeID = 0;private Integer myButtonID[] = new Integer[]{R.drawable.mybutton01,R.drawable.mybutton02,R.drawable.mybutton03,R.drawable.mybutton04,R.drawable.mybutton05,R.drawable.mybutton06,R.drawable.mybutton07,R.drawable.mybutton08,R.drawable.mybutton09,R.drawable.mybutton10,R.drawable.mybutton11,R.drawable.mybutton12,R.drawable.mybutton13,R.drawable.mybutton14,R.drawable.mybutton15,R.drawable.mybutton16,R.drawable.mybutton17,R.drawable.mybutton18,R.drawable.mybutton19,R.drawable.mybutton20};public MyButtonView(Context context) {this(context, null);}public MyButtonView(Context context, AttributeSet attrs) {super(context,attrs);animBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.myutil);buttonBitmap = BitmapFactory.decodeResource(getResources(),myButtonID[0]);new Thread(new MyThread()).start();}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);drawImage(canvas,0,0,animBitmap,moveX,0,200,100);canvas.drawBitmap(buttonBitmap,20,15, null);}@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {setMeasuredDimension(131, 53);}private void drawImage(Canvas canvas , int x, int y,Bitmap oldBitmap , int sx,int sy,int width ,int height){Rect rect_x = new Rect();rect_x.left = sx;rect_x.right = sx + width;rect_x.top = sy;rect_x.bottom = sy + height;Rect rect_y = new Rect();rect_y.left = x;rect_y.right = x + width;rect_y.top = y;rect_y.bottom = y + height;//按指定的裁剪矩形来绘制图片//分别是屏幕上的矩形和图片上要绘制的矩形裁剪Bitmap output = Bitmap.createBitmap(oldBitmap.getWidth(),oldBitmap.getHeight(), Config.ARGB_8888);Canvas canvas2 = new Canvas(output);Paint paint = new Paint();paint.setAntiAlias(true);//canvas.drawARGB(0, 0, 0, 0);//paint.setColor(0xff424242);//paint.setAlpha(140);//canvas2.drawRoundRect(new RectF(2,4,130,50), 10.0f, 10.0f, paint);canvas2.drawRoundRect(new RectF(1,0,130,50), 15.0f, 15.0f, paint);paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));canvas2.drawBitmap(oldBitmap, rect_x, rect_y, paint);canvas.drawBitmap(output, 0, 0, null);rect_x = null;rect_y = null;}@Overridepublic boolean dispatchTouchEvent(MotionEvent event) {/*if(isReleased){touchPoint = new Point();touchPoint.x = (int)event.getX();touchPoint.y = (int)event.getY();}*/switch (event.getAction()) {case MotionEvent.ACTION_DOWN: isPress = true;break;case MotionEvent.ACTION_UP:isPress = false;break;default:break;}return true;}private class MyThread implements Runnable{@Overridepublic void run() {while(!Thread.currentThread().isInterrupted()){try {moveX++;if(moveX > 100){moveX = 0;}if(isPress){timeID ++ ;if(timeID <20){buttonBitmap = BitmapFactory.decodeResource(getResources(), myButtonID[timeID]);}else{timeID =0 ;}}Thread.sleep(50);} catch (Exception e) {Thread.currentThread().interrupt();}postInvalidate();}}}}