Android的触摸检测 [英] android detect touching

问题描述

我工作的一个简单的游戏。
当用户触摸屏幕，增加了一些变数。
虽然没有，什么也不做。
我使用surfaceView
onTouchEvent，但它不工作，因为它被称为一次。我如何可以完成这样的功能？

  @覆盖
公共布尔onTouchEvent（MotionEvent事件）{
    vehicle.vel_y  -  = 0.2F;
    返回super.onTouchEvent（事件）;
}
 

解决方案

阅读有关的传递给了onTouchEvent方法MotionEvent 秒。详细的，请看 ACTION_DOWN 和 ACTION_UP 。当指针触摸屏，当它离开屏幕您应该收到移动事件。

除此之外，最有趣的部分是搞清楚如何记录 ACTION_DOWN 和 ACTION_UP 事件之间的进展（=

如果你需要一个提示，你可以通过查看启动：

  

重复使用处理事件

I am working on a simple game. While user is touching the screen, increment some variable. While not, do nothing. I am Using surfaceView onTouchEvent, but it doesn't work because it is called only once. How can I accomplish such functionality?

@Override
public boolean onTouchEvent(MotionEvent event) {
    vehicle.vel_y -=0.2f;
    return super.onTouchEvent(event);
}

解决方案

Read about the MotionEvents that are passed to the onTouchEvent method. Specifically, look at ACTION_DOWN and ACTION_UP. You should receive motion events when a pointer touches the screen and when it leaves the screen.

Beyond that, the fun part is figuring out how to record progress between the ACTION_DOWN and ACTION_UP events (=

If you need a hint, you might start by looking at:

repeating events using handlers

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