在libgdx，我怎么从后退按钮获取输入？ [英] In libgdx, how do I get input from the back button?

问题描述

有关我的比赛，我想在Android后退按钮带你到暂停菜单，而不是最小化的游戏。从我GOOGLE了，我知道我需要调用

For my game, I'd like the Android back button to take you to the pause menu, instead of minimizing the game. From what I've googled, I know I need to call

Gdx.input.setCatchBackKey(true);

但我怎么居然检查按钮preSS？ input.isKeyDown（Keys.BACK）似乎并没有做任何事情。

But how do I actually check for the button press? input.isKeyDown(Keys.BACK) doesn't seem to do anything.

推荐答案

我解决了这样的问题：

public class MyApplication implements ApplicationListener, InputProcessor {
   // !! Remember to override all other required methods !!
   ...

   @Override
   public void create() {
        Gdx.input.setInputProcessor(this);
        Gdx.input.setCatchBackKey(true);
        // rest of your stuff...
   }

   ...

   @Override
   public boolean keyDown(int keycode) {
        if(keycode == Keys.BACK){
           // Do your optional back button handling (show pause menu?)
        }
        return false;
   }

   ...
}

不copypasta的东西，但希望这可以帮助你。 ：）

Not copypasta stuff but hopefully this helps you out. :)

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