MyTestDemo.rar_Activity切换_activity_android_android activity

package deom.test; 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.Paint.Style; import android.view.MotionEvent; import android.view.View; import android.widget.Toast; public class imgView extends View{ private int x; private int y; private int blowupTimes; private int blowupX; private int blowupY; private Bitmap blowup; private Bitmap bg; private Bitmap grassland; private Bitmap mountains; private Context imgContext; private int count; private foodItem[] foodItems; private int point=0; private Paint paint; public cow gamecow; public imgView(Context context) { super(context); x=112; y=370; count=10; blowupTimes=0; foodItems=new foodItem[count]; gamecow=new cow(context); imgContext=context; paint = new Paint(); paint.setColor(Color.RED); paint.setStyle(Style.FILL); paint.setTextSize(30); bg=BitmapFactory.decodeResource(context.getResources(),R.drawable.bg); mountains=BitmapFactory.decodeResource(context.getResources(),R.drawable.mountains); grassland=BitmapFactory.decodeResource(context.getResources(),R.drawable.grassland); blowup=BitmapFactory.decodeResource(context.getResources(),R.drawable.blow_up); } @Override protected void onDraw(Canvas canvas) { canvas.drawColor(Color.rgb(123, 204, 246)); canvas.drawBitmap(mountains, 0, 480 - 176- 75 , null); canvas.drawBitmap(grassland, 0, 480 - 127 , null); gamecow.draw(canvas,x,y); drawFoods(canvas); if(blowupTimes!=0) { canvas.drawBitmap(blowup,blowupX, blowupY, null); blowupTimes--; } drawlife(canvas); drawPoint(canvas); } private void drawFoods(Canvas canvas) { int j; for(j=0;j<foodItems.length;j++) { if (foodItems[j]!=null) { foodItems[j].draw(canvas); if (foodItems[j].isEat(gamecow.getx(), gamecow.gety())) { if(foodItems[j].getStyle()==0) { point=point+30; if (point!=0&&point%180==0) gamecow.addlife(); } else blowup(canvas); foodItems[j]=null; } if (foodItems[j]!=null&&foodItems[j].getY()>480) foodItems[j]=null; } } } public void blowup(Canvas canvas) { gamecow.sumlife(); blowupTimes=10; blowupX=gamecow.getx(); blowupY=gamecow.gety(); } private void drawlife(Canvas canvas) { canvas.drawText("X"+String.valueOf(gamecow.getlife()),65,445, paint); } private void drawPoint(Canvas canvas) { canvas.drawBitmap(bg, 0, 0, null); canvas.drawText("分数"+String.valueOf(point),150,80, paint); } public boolean onTouchEvent(MotionEvent event) { x=(int)event.getX(); //y=(int)event.getY(); if(x<20)x=20; if(x>260)x=260; //this.draw(viewCanvas); //invalidate(); //DisplayToast("触笔点击坐标:("+Integer.toString(x)+","+Integer.toString((int)event.getY())+")"); //return super.onTouchEvent(event); return true; } public void DisplayToast(String str) { Toast.makeText(imgContext,str,Toast.LENGTH_SHORT).show(); } public void addFoods() { int j; int x; int style; int speed; x=imgRandom(30,260); style=imgRandom(0,1); speed=imgRandom(1,10); for (j=0;j<count;j++) if (foodItems[j]==null) { foodItems[j]=new foodItem(imgContext,x,style,speed); break; } } public int imgRandom(int min,int max) { return (int)Math.round(Math.random()*(max-min)+min); } public void clearFoodItems() { int j; for (j=0;j<count;j++) if (foodItems[j]!=null) foodItems[j]=null; } }