模拟游戏手柄软键盘

package app.mr;// file:JoyStick.javaimport android.content.Context;import android.content.res.Resources;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.view.MotionEvent;import android.view.View;public class JoyStick extends View {private final int KEY_DEFAULT = 0;private final int KEY_UP = 1;private final int KEY_DOWN = 2;private final int KEY_LEFT = 3;private final int KEY_RIGHT = 4;private final int KEY_BT1 = 5;private final int KEY_BT2 = 6;private Bitmap bBmp[] = null;private int x = 4;private int y = 320;private int iCurAction = KEY_DEFAULT;private Rect rKeyUp = new Rect(40+x, 3+y, 71+x, 34+y);private Rect rKeyDown = new Rect(40+x, 65+y, 71+x, 96+y);private Rect rKeyLeft = new Rect(9+x, 34+y, 40+x, 65+y);private Rect rKeyRight = new Rect(73+x, 34+y, 104+x, 65+y);private Rect rKeyBt1 = new Rect(138+x, 34+y, 172+x, 65+y);private Rect rKeyBt2 = new Rect(185+x, 34+y, 217+x, 65+y);private String str = "当前暂无键按下";public JoyStick(Context context) {super(context);// TODO Auto-generated constructor stubResources res = context.getResources();bBmp = new Bitmap[8];for (int i=0; i<8; i++){bBmp[i] = BitmapFactory.decodeResource(res, R.drawable.key0+i);}}@Overrideprotected void onDraw(Canvas canvas) {// TODO Auto-generated method stubPaint paint = new Paint();paint.setColor(Color.WHITE);canvas.drawBitmap((Bitmap)bBmp[iCurAction], x, y, paint);canvas.drawText(str, 10, 30, paint);super.onDraw(canvas);}@Overridepublic boolean onTouchEvent(MotionEvent event) {// TODO Auto-generated method stub// 触摸屏按下if (event.getAction()==MotionEvent.ACTION_DOWN){int x = (int)event.getX();int y = (int)event.getY();if (rKeyUp.contains(x, y)){iCurAction = KEY_UP;up();}else if(rKeyDown.contains(x, y)){iCurAction = KEY_DOWN;down();}else if(rKeyLeft.contains(x, y)){iCurAction = KEY_LEFT;left();}else if(rKeyRight.contains(x, y)){iCurAction = KEY_RIGHT;right();}else if(rKeyBt1.contains(x, y)){iCurAction = KEY_BT1;r1();}else if(rKeyBt2.contains(x, y)){iCurAction = KEY_BT2;r2();}else{iCurAction = KEY_DEFAULT;}// 申请重绘屏幕postInvalidate();}return super.onTouchEvent(event);}public void left(){str = "左键按下";}public void right(){str = "右键按下";}public void up(){str = "上键按下";}public void down(){str = "下键按下";}public void r1(){str = "B1键按下";}public void r2(){str = "B2键按下";}}

 

// file:VirualKey.javapackage app.mr;import android.app.Activity;import android.os.Bundle;import android.view.Window;import android.view.WindowManager;public class VirualKey extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); hideStatusBar(); setContentView(new JoyStick(this)); } // 隐藏标题 public void hideTitle() { requestWindowFeature(Window.FEATURE_NO_TITLE); } // 全屏幕 public void hideStatusBar() { hideTitle(); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); }}