Keep the FlyActivity always on

Issue #39

Author: EsteveAguilera

app/src/main/java/com/fewlaps/flone/view/activity/FlyActivity.java

@@ -9,6 +9,7 @@
 import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.WindowManager;
 import android.view.animation.AnimationUtils;
 import android.widget.SeekBar;
 import android.widget.TextView;
@@ -69,6 +70,7 @@ public class FlyActivity extends BaseActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_fly);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 
         throttleBackgroundV = findViewById(R.id.v_throttle_background);
         throttleRL = findViewById(R.id.rl_throttle);