两个Java。第一个负责绘制飞机，主Activity负责控制飞机的初始坐标和飞行，不需要layout布局

 

------------------绘制飞机---------------------------

PlaneView.java

package com.example.admin.webchanjian; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Paint; import android.view.View; /**  * Created by admin on 2016/10/6.  */ public class PlainView extends View {
      public float currentX;     public float currentY;     Bitmap plane;     public PlainView(Context context){
          super(context);         plane= BitmapFactory.decodeResource(context.getResources(),R.drawable.plane);         setFocusable(true);     }     @Override     public void onDraw(Canvas canvas){
          super.onDraw(canvas);         Paint p=new Paint();         canvas.drawBitmap(plane,currentX,currentY,p);     } } -----------------------------控制飞机飞行-------------------- MainActivity.java

//-------------------Playing Plane------------------------------     private  int speed=10; @Override protected void onCreate(@Nullable Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);     //去掉窗口标题     requestWindowFeature(Window.FEATURE_NO_TITLE);     //全屏显示     getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);     //创建PlaneView组件     final PlainView plainView=new PlainView(this);     setContentView(plainView);     plainView.setBackgroundResource(R.drawable.back);     //获取窗口管理器     WindowManager windowManager=getWindowManager();     Display display=windowManager.getDefaultDisplay();     DisplayMetrics displayMetrics=new DisplayMetrics();     //获取屏幕宽和高     display.getMetrics(displayMetrics);     //设置plane的初始位置     plainView.currentX=displayMetrics.widthPixels/2;     plainView.currentY=displayMetrics.heightPixels-40;     //为PlaneView组件的键盘事件绑定监听器     plainView.setOnKeyListener(new View.OnKeyListener() {
          @Override         public boolean onKey(View v, int keyCode, KeyEvent event) {
              switch (event.getKeyCode()){
                  //下移                 case KeyEvent.KEYCODE_S:                     plainView.currentY+=speed;                     break;                 //上移                 case  KeyEvent.KEYCODE_W:                     plainView.currentY-=speed;                     break;                 //左移                 case KeyEvent.KEYCODE_A:                     plainView.currentX-=speed;                     break;                 case KeyEvent.KEYCODE_D:                     plainView.currentX+=speed;                     break;             }             //通知PlaneView组件重绘             plainView.invalidate();             return true;         }     }); }