仪表盘.zip

package com.rrr.view; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import android.util.AttributeSet; import android.view.SurfaceHolder; import android.view.SurfaceHolder.Callback; import android.view.SurfaceView; import com.rrr.drawdialdemo.R; public class DialView extends SurfaceView implements Callback,Runnable{ private SurfaceHolder holder; private Thread thread; private Paint paint; private Canvas canvas; private int screenW,screenH; private Bitmap bigDialBmp,bigPointerBmp,smallDialBmp,smallPointerBmp,bgBmp,fuSheBmp; private boolean flag; private int bigDialX,bigDialY,bigPointerX,bigPointerY,smallDialX,smallDialY, smallPointerX,smallPointerY,textBgX,textBgY; private Rect bgRect; private Bitmap textBg; public int bigDialDegrees,smallDialDegrees; private String percentageText=""; private int percentageX,percentageY; public DialView(Context context, AttributeSet attrs) { super(context, attrs); holder=getHolder(); holder.addCallback(this); paint = new Paint(); paint.setAntiAlias(true); paint.setColor(Color.BLACK); paint.setColor(Color.argb(255, 207, 60, 11)); paint.setTextSize(22); setFocusable(true); setFocusableInTouchMode(true); } public void myDraw(){ try { canvas=holder.lockCanvas(bgRect); canvas.drawColor(Color.WHITE); drawBigDial(); drawSmallDial(); } catch (Exception e) { e.printStackTrace(); }finally{ holder.unlockCanvasAndPost(canvas); } } public void drawBigDial(){ canvas.drawBitmap(bigDialBmp, bigDialX, bigDialY, paint); canvas.save(); canvas.rotate(bigDialDegrees,bigPointerX+bigPointerBmp.getWidth()/2, bigPointerY+bigPointerBmp.getHeight()/2); canvas.drawBitmap(bigPointerBmp,bigPointerX,bigPointerY,paint); canvas.restore(); } public void drawSmallDial(){ canvas.drawBitmap(smallDialBmp, smallDialX, smallDialY, paint); canvas.save(); canvas.rotate(smallDialDegrees,smallPointerX+smallPointerBmp.getWidth()/2, smallPointerY+smallPointerBmp.getHeight()/2); canvas.drawBitmap(smallPointerBmp,smallPointerX,smallPointerY,paint); canvas.restore(); } public void logic(){ bigDialDegrees++; smallDialDegrees--; // percentageText. } public void run() { while(flag){ long start = System.currentTimeMillis(); myDraw(); logic(); long end = System.currentTimeMillis(); try { if (end - start < 50) Thread.sleep(50 - (end - start)); } catch (Exception e) { e.printStackTrace(); } } } public void surfaceCreated(SurfaceHolder holder) { fuSheBmp = BitmapFactory.decodeResource(getResources(), R.drawable.signsec_dj_iv); textBg = BitmapFactory.decodeResource(getResources(), R.drawable.black_box); bigDialBmp = BitmapFactory.decodeResource(getResources(), R.drawable.signsec_dashboard_01); bigPointerBmp = BitmapFactory.decodeResource(getResources(), R.drawable.signsec_pointer_01); smallDialBmp = BitmapFactory.decodeResource(getResources(), R.drawable.signsec_dashboard_small_bg); smallPointerBmp = BitmapFactory.decodeResource(getResources(), R.drawable.signsec_pointer_02); bgBmp = BitmapFactory.decodeResource(getResources(), R.drawable.signsec_dj_ll_blue); screenH=getHeight(); screenW=getWidth(); bgRect=new Rect(0, 0,screenW , bgBmp.getHeight()); bigDialX =20; bigDialY =50; bigPointerX = 20/2+bigDialBmp.getWidth()/2-bigPointerBmp.getWidth()/2+10; bigPointerY = 50; textBgX = bigDialX+bigDialBmp.getWidth()/2-textBg.getWidth()/2; textBgY = bigDialY+bigDialBmp.getHeight()/2-textBg.getHeight()/2-50; smallDialX = bigDialX+bigDialBmp.getWidth(); smallDialY = 30; smallPointerX = smallDialX+smallDialBmp.getWidth()/2-smallPointerBmp.getWidth()/2-15; smallPointerY = 53; flag=true; thread= new Thread(this); thread.start(); } public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } public void surfaceDestroyed(SurfaceHolder holder) { flag=false; } public int getBigDialDegrees() { return bigDialDegrees; } public void setBigDialDegrees(int bigDialDegrees) { this.bigDialDegrees = bigDialDegrees; } public int getSmallDialDegrees() { return smallDialDegrees; } public void setSmallDialDegrees(int smallDialDegrees) { this.smallDialDegrees = smallDialDegrees; } public String getPercentageText() { return percentageText; } public void setPercentageText(String percentageText) { this.percentageText = percentageText; } }