[英]How to check if the screen has not been touched
我有一個游戲,可以在屏幕上隨機顯示圓圈。 圓圈可以是隨機的綠色或紅色。 如果您碰到一個紅色的圓圈,則表示發生了某些事情。 如果您碰到一個綠色圓圈,則會發生某些事情; 但是,如果您想檢查綠色圓圈是否顯示並且用戶沒有單擊它,該怎么辦? 這是我的代碼:
public class DrawingView extends View{
public DrawingView(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
RectF rectf = new RectF(0, 0, 200, 0);
private static final int w = 100;
public static int lastColor = Color.BLACK;
private final Random random = new Random();
private final Paint paint = new Paint();
private final int radius = 230;
private final Handler handler = new Handler();
public static int redColor = Color.RED;
public static int greenColor = Color.GREEN;
int randomWidth = 0;
int randomHeight = 0;
public static int addPoints = 0;
public static int savedScore;
public static List<String> a = new ArrayList<String>();
public static String[] savedScores = new String[a.size()];
Paint red;
public static int howManyPoints;
public static int highestScore = 0;
boolean isTouched;
Thread newThread = new Thread();
private final Runnable updateCircle = new Runnable() {
@Override
public void run() {
lastColor = random.nextInt(2) == 1 ? redColor : greenColor;
paint.setColor(lastColor);
if(lastColor == greenColor){
isTouched = false;
}
if(addPoints < 10){
handler.postDelayed(this, 850);
}
if(addPoints > 9 && addPoints < 30){
handler.postDelayed(this,700);
}
if(addPoints > 29){
handler.postDelayed(this, 600);
}
if(addPoints > 50){
handler.postDelayed(this, 450);
}
if(addPoints > 100){
handler.postDelayed(this, 400);
}
postInvalidate();
}
};
public void what(){
try {
newThread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(isTouched == false){
howManyPoints = addPoints;
handler.removeCallbacks(updateCircle);
lastColor = redColor;
addPoints = 0;
Intent i = new Intent(this.getContext(), YouFailed.class);
this.getContext().startActivity(i);
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
handler.post(updateCircle);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
handler.removeCallbacks(updateCircle);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// your other stuff here
Paint back = new Paint();
back.setColor(Color.BLACK);
Rect background = new Rect();
background.set(0, 0, canvas.getWidth(),canvas.getHeight() );
canvas.drawRect(background, back);
Paint newPaint = new Paint();
newPaint.setColor(Color.BLUE);
newPaint.setTextSize(60);
canvas.drawText("Beta v2", 10, 60, newPaint);
if(random == null){
randomWidth =(int) (random.nextInt(Math.abs(getWidth()-radius/2)) + radius/2f);
randomHeight = (random.nextInt((int)Math.abs((getHeight()-radius/2 + radius/2f))));
}else {
randomWidth =(int) (random.nextInt(Math.abs(getWidth()-radius/2)) + radius/2f);
randomHeight = (random.nextInt((int)Math.abs((getHeight()-radius/2 + radius/2f))));
}
canvas.drawCircle(randomWidth, randomHeight, radius, paint);
what();
red = new Paint();
red.setColor(Color.BLUE);
red.setTextSize(150);
canvas.drawText("" + addPoints, 500, 1350, red);
}
@SuppressWarnings("deprecation")
@Override
public boolean onTouchEvent(MotionEvent event) {
if(event.getAction() == MotionEvent.ACTION_DOWN){
int x = (int) event.getX();
int y = (int) event.getY();
if(isInsideCircle(x, y) == true){
//Do your things here
if(lastColor == redColor){
//saveScore();
howManyPoints = addPoints;
if(howManyPoints > highestScore){
highestScore = howManyPoints;
}
handler.removeCallbacks(updateCircle);
lastColor = redColor;
addPoints = 0;
Intent i = new Intent(this.getContext(), YouFailed.class);
this.getContext().startActivity(i);
}
if(lastColor == greenColor){
addPoints++;
isTouched = true;
}
}else {
}
}
return false;
}
public void saveScore() {
a.add("" + addPoints);
//if(Integer.parseInt(savedScores[1]) < addPoints){
//savedScores[2] = savedScores[1];
//int x = Integer.parseInt(savedScores[1]);
//x = addPoints;
//}
}
public boolean isInsideCircle(int x, int y){
if ((((x - randomWidth)*(x - randomWidth)) + ((y - randomHeight)*(y - randomHeight))) < ((radius)*(radius))){
return true;
}
return false;
}
}
只需添加一個布爾值hasBeenClicked即可,該布爾值為false,當用戶觸摸該值時為true
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