Unity/UniRx/キー取得

キー入力取得判定

using UniRx;
var observable = Observable.EveryUpdate()
    .Select(_ => Input.inputString)
    .Where(_ => Input.anyKeyDown)
    .Subscribe(key => Debug.Log(key))
    .AddTo(gameObject);

参考：https://qiita.com/Jshirius/items/ad53546f416323c6db2c

escapeで前画面へ戻る(androidのみ)サンプル

// escapeで前画面へ戻る(androidのみ)
var observable = Observable.EveryUpdate()
    .Where(_ => Application.platform == RuntimePlatform.Android)
    .Where(_ => Input.GetKeyDown(KeyCode.Escape))
    .Subscribe(_ => Debug.Log("Escape"))
    .AddTo(gameObject);