BaseActivity.java

package org.thoughtcrime.SMP;

import android.os.Build;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.support.annotation.NonNull;
import android.support.v4.app.FragmentActivity;
import android.view.KeyEvent;

public abstract class BaseActivity extends FragmentActivity {
  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    return (keyCode == KeyEvent.KEYCODE_MENU && isMenuWorkaroundRequired()) || super.onKeyDown(keyCode, event);
  }

  @Override
  public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_MENU && isMenuWorkaroundRequired()) {
      openOptionsMenu();
      return true;
    }
    return super.onKeyUp(keyCode, event);
  }

  public static boolean isMenuWorkaroundRequired() {
    return VERSION.SDK_INT < VERSION_CODES.KITKAT          &&
           VERSION.SDK_INT > VERSION_CODES.GINGERBREAD_MR1 &&
           ("LGE".equalsIgnoreCase(Build.MANUFACTURER) || "E6710".equalsIgnoreCase(Build.DEVICE));
  }
}