在 libgdx 中,如何从后退按钮获取输入?

In libgdx, how do I get input from the back button?(在 libgdx 中,如何从后退按钮获取输入?)
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问题描述

对于我的游戏,我希望 Android 后退按钮将您带到暂停菜单,而不是最小化游戏.根据我的谷歌搜索,我知道我需要打电话

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);

但我如何实际检查按钮是否按下?input.isKeyDown(Keys.BACK) 似乎什么也没做.

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

推荐答案

我是这样解决问题的:

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;
   }

   ...
}

不是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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