package com.example.android.rs.nbody_gl; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.KeyEvent; import android.view.View; import android.widget.Toolbar; public class MainActivity extends Activity { private static final String TAG = "MainActivity"; private BasicGLSurfaceView mGLView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mGLView = findViewById(R.id.surfaceView); View decorView = getWindow().getDecorView(); int uiOptions = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN; decorView.setSystemUiVisibility(uiOptions); } @Override protected void onPause() { mGLView.onPause(); super.onPause(); } @Override protected void onResume() { super.onResume(); mGLView.onResume(); } public boolean onKeyDown(int keyCode, KeyEvent event) { Log.v(TAG, "KEY " + keyCode); return true; } }