@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
    // Handle navigation view item clicks here.
    int id = item.getItemId();

    if (id == R.id.nav_camera) {
        //shield.addSensor(Sensors.startAcc(getApplicationContext()));
    } else if (id == R.id.nav_gallery) {
        //shield.addSensor(Sensors.startLight(getApplicationContext()));
    } else if (id == R.id.nav_slideshow) {

    } else if (id == R.id.nav_manage) {

    } else if (id == R.id.nav_share) {

    } else if (id == R.id.nav_send) {

    }

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
}
 

/**
 * Set a simple drawable used for the left or right shadow.
 * The drawable provided must have a nonzero intrinsic width.
 *
 * @param shadowDrawable Shadow drawable to use at the edge of a drawer
 * @param gravity Which drawer the shadow should apply to
 */
public void setDrawerShadow(Drawable shadowDrawable, int gravity) {
    /*
     * TODO Someone someday might want to set more complex drawables here.
     * They're probably nuts, but we might want to consider registering callbacks,
     * setting states, etc. properly.
     */

    final int absGravity = GravityCompat.getAbsoluteGravity(gravity,
            ViewCompat.getLayoutDirection(this));
    if ((absGravity & Gravity.LEFT) == Gravity.LEFT) {
        mShadowLeft = shadowDrawable;
        invalidate();
    }
    if ((absGravity & Gravity.RIGHT) == Gravity.RIGHT) {
        mShadowRight = shadowDrawable;
        invalidate();
    }
}
 

@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
    int id = item.getItemId();
    if (id == R.id.nav_change_map) {
        changeMap(item);
        mDrawer.closeDrawer(GravityCompat.START);
    } else if (id == R.id.nav_ranging) {
        changeModeRanging(!item.isChecked());
        mDrawer.closeDrawer(GravityCompat.START);
    } else if (id == R.id.nav_offline_map) {
        openActivity(OfflineMapActivity.class);
    } else if (id == R.id.nav_about) {
        openActivity(AboutActivity.class);
    } else if (id == R.id.nav_favorite) {
        Intent intent = new Intent(MainActivity.this, FavoriteActivity.class);
        startActivityForResult(intent, REQUEST_SEARCH);
    } else if (id == R.id.nav_setting) {
        openActivity(SettingActivity.class);
    }

    return true;
}
 

@Override
public boolean onNavigationItemSelected(MenuItem item) {
    mDrawerLayout.closeDrawer(GravityCompat.START);

    Fragment fragment = null;
    final FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
    switch (item.getItemId()) {
        case R.id.home:
            fragment = new HomeFragment();
            break;
        case R.id.menus:
            fragment = new MenusFragment();
            break;
        case R.id.progress:
            fragment = new ProgressFragment();
            break;
    }

    ft.replace(R.id.fragment, fragment).commit();
    return true;
}
 

public boolean onNavigationItemSelected(MenuItem item) {
    // Handle navigation view item clicks here.
    int id = item.getItemId();

    if (id == R.id.receive) {
        initReceive();

    } else if (id == R.id.transmit) {

        initTransmit();

    }

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
}
 

@Test
public void onNavigationItemSelected_shouldSelectFavourite() {
    setupActivity();
    MenuItem item = clickMenuItem(R.id.nav_favourite);
    assertEquals("wrong title", labelDrawerMenuFavourite, item.getTitle());

    assertEquals("invalid menu order", MENU_FAVOURITE, item.getOrder());
    assertEquals("wrong title", labelApplicationName, activity.getSupportActionBar().getTitle());
    assertFalse("should be hidden", activity.floatingActionButtonMain.isShown());

    Fragment currentFragment = activity.getSupportFragmentManager().findFragmentById(R.id.content_frame);
    assertNotNull("null fragment", currentFragment);
    assertThat("invalid fragment", currentFragment, instanceOf(DeviceListFragment.class));

    int argumentEnvironment = currentFragment.getArguments().getInt(ARG_ENVIRONMENT);
    assertEquals("invalid fragment", MENU_FAVOURITE, argumentEnvironment);

    assertFalse("should be close", activity.drawerLayout.isDrawerOpen(GravityCompat.START));
}
 

@Override
public void onBackPressedSupport() {
    if (mDrawer.isDrawerOpen(GravityCompat.START)) {
        closeDrawer();
    } else {
        ISupportFragment topFragment = getTopFragment();
        if (!(topFragment instanceof NavHomeFragment)) {
            mNav.setCheckedItem(R.id.nav_home);
        }
        if (getSupportFragmentManager().getBackStackEntryCount() > 1) {
            pop();
        } else {
            // 放置后台
            // moveTaskToBack(false);

            // 2秒内两次点击返回键退出应用
            long nowTime = System.currentTimeMillis();
            if (nowTime - mPreTime > 2000) {
                ArmsUtils.makeText(this, ArmsUtils.getString(this, R.string.double_click_to_exit));
                mPreTime = nowTime;
            } else {
                ArmsUtils.exitApp();
            }
        }
    }
}
 

@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
    // Handle navigation view item clicks here.
    int id = item.getItemId();

    if (id == R.id.nav_camera) {
        // Handle the camera action
    } else if (id == R.id.nav_gallery) {

    } else if (id == R.id.nav_slideshow) {

    } else if (id == R.id.nav_manage) {

    } else if (id == R.id.nav_share) {

    } else if (id == R.id.nav_send) {

    }

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
}
 

@SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.
        int id = item.getItemId();

//        if (id == R.id.nav_camera) {
//            // Handle the camera action
//        } else if (id == R.id.nav_gallery) {
//
//        } else if (id == R.id.nav_slideshow) {
//
//        } else if (id == R.id.nav_manage) {
//
//        } else if (id == R.id.nav_share) {
//
//        } else if (id == R.id.nav_send) {
//
//        }

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }
 

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case R.id.action_toogle:
            Intent intent = new Intent(ActivityTelegram.this, ActivityWhatsApp.class);
            ActivityTelegram.this.startActivity(intent);
            ActivityTelegram.this.finish();
            break;
        case android.R.id.home:
            if (this.mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
                this.mDrawerLayout.closeDrawer(GravityCompat.START);
            } else {
                this.mDrawerLayout.openDrawer(GravityCompat.START);
            }
            break;
    }
    return super.onOptionsItemSelected(item);
}
 

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home:
            mDrawerLayout.openDrawer(GravityCompat.START);
            return true;
        case R.id.menu_night_mode_system:
            setNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM);
            break;
        case R.id.menu_night_mode_day:
            setNightMode(AppCompatDelegate.MODE_NIGHT_NO);
            break;
        case R.id.menu_night_mode_night:
            setNightMode(AppCompatDelegate.MODE_NIGHT_YES);
            break;
        case R.id.menu_night_mode_auto:
            setNightMode(AppCompatDelegate.MODE_NIGHT_AUTO);
            break;
    }
    return super.onOptionsItemSelected(item);
}
 

@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
    // Handle navigation view item clicks here.
    int id = item.getItemId();

    Fragment fragment;
    if (id == R.id.nav_settings) {
        fragment = new SettingsFragment();
    } else if (id == R.id.nav_track) {
        fragment = new TrackFragment();
    } else {
        // Anything else is home
        fragment = new LearnFragment();
    }

    // Insert the fragment by replacing any existing fragment
    FragmentManager fragmentManager = getSupportFragmentManager();
    fragmentManager.beginTransaction()
            .replace(R.id.content, fragment)
            .commit();

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
}
 

@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {

    Category category = CategoryHelper.getInstance(getApplicationContext())
            .getCategoryByName(String.valueOf(item.getTitle()));
    loadAccountByCategory(category);

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    if (headerImageView != null)
        Picasso.with(this).load(ResUtil.getInstance(null).getBmpUri(category.getIcon()))
                .config(Bitmap.Config.RGB_565)
                .fit()
                .into(headerImageView);
    if (headerTextView != null)
        headerTextView.setText(category.getName());
    drawer.closeDrawer(GravityCompat.START);
    if (lastChecked != null)
        lastChecked.setChecked(false);
    item.setChecked(true);
    lastChecked = item;
    return true;
}
 

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();

    //noinspection SimplifiableIfStatement
    if (id == R.id.action_settings) {
        Intent intent = new Intent(MainActivity.this,FileAcitvity.class);
        startActivity(intent);
        return true;
    }
    if (id==android.R.id.home) {
        drawerLayout.openDrawer(GravityCompat.START);
    }
    return super.onOptionsItemSelected(item);
}
 

@Override public boolean onOptionsItemSelected(MenuItem item) {
  // Handle action bar item clicks here. The action bar will
  // automatically handle clicks on the Home/Up button, so long
  // as you specify a parent activity in AndroidManifest.xml.
  int id = item.getItemId();

  switch (id) {
    case android.R.id.home:
      drawerLayout.openDrawer(GravityCompat.START);
      return true;
    case R.id.action_abandon:
      new AlertDialog.Builder(this)
          .setMessage(R.string.abandon_confirmation)
          .setTitle(R.string.are_you_sure)
          .setPositiveButton(R.string.yes, (d, w) -> abandon(d))
          .setNegativeButton(R.string.no, (d, w) -> d.dismiss())
          .create()
          .show();
      return true;
  }

  return super.onOptionsItemSelected(item);
}
 

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home:
            if (drawer.isDrawerOpen(GravityCompat.END)) {
                drawerPager.setCurrentItem(0);
                drawer.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED, GravityCompat.END);
                drawer.closeDrawer(GravityCompat.END);
            } else if (drawer.isDrawerOpen(GravityCompat.START))
                drawer.closeDrawer(GravityCompat.START);
            else
                drawer.openDrawer(GravityCompat.START);
            break;
    }
    return true;
}
 

/**
 * 处理toolbar中各个按钮的点击事件
 *
 * @param item
 * @return
 */
@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case android.R.id.home://HomeAsUp按钮id永远是home
            drawerLayout.openDrawer(GravityCompat.START);//将滑动菜单显示，GravityCompat.START和xml定义的一致
            break;
        case R.id.scanner://扫一扫
            if (!Util.checkNetwork(this)) {
                break;
            }
            Intent intent = new Intent(Activity_Main.this, CaptureActivity.class);
            startActivityForResult(intent, REQUEST_CODE_SCAN);
            break;
        default:
            break;
    }
    return true;
}
 

@Override
public void onBackPressed() {
    if(drawer.isDrawerOpen(GravityCompat.START)){
        drawer.closeDrawers();
    }
    if(mCurrentFragment instanceof BookshelfFragment){
        switchFragment(mCurrentFragment, HomeFragment.newInstance());
        mNavigationView.getMenu().findItem(R.id.nav_home).setChecked(true);
        return;
    }
    if(mCurrentFragment instanceof BookshelfProgressFragment){
        switchFragment(mCurrentFragment, BookshelfFragment.newInstance());
        mNavigationView.getMenu().findItem(R.id.nav_bookshelf).setChecked(true);
        return;
    }
    if((System.currentTimeMillis() - lastTime) > EXIT_APP_DELAY){
        lastTime = System.currentTimeMillis();
        Snackbar.make(drawer, getString(R.string.press_twice_exit), Snackbar.LENGTH_SHORT)
                .setAction(R.string.exit_directly, new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        MainActivity.super.onBackPressed();
                    }
                })
                .show();
    }else{
        moveTaskToBack(true);
    }

}
 

@Override
    public void onClickInOneClick(View v, int which) {
        switch (which) {
            case R.id.menu_item_drawer:
                mRootDrawer.openDrawer(GravityCompat.START, true);
                break;
            case R.id.menu_item_toolbar:
                animateToolBar(true);
//                animateToolBar(false);
                break;
        }
    }
 

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
        drawer_layout.openDrawer(GravityCompat.START);
        return true;
    }

    return super.onOptionsItemSelected(item);
}
 

public boolean onKeyUp(int keyCode, KeyEvent event) {
    View settings_layout = findViewById(R.id.settings_layout);
    switch (keyCode) {
        case KeyEvent.KEYCODE_MENU:
            if (mDrawer.isDrawerOpen(settings_layout)) {
                mDrawer.closeDrawers();
            } else {
                mDrawer.openDrawer(GravityCompat.START, true);
            }
            return true;
        case KeyEvent.KEYCODE_BACK:
            if (mDrawer.isDrawerOpen(settings_layout)) {
                if (((PreferencesFragment) getPreferencesFragment()).is_main_menu())
                    mDrawer.closeDrawer(GravityCompat.START, true);
	else ((PreferencesFragment) getPreferencesFragment()).show_main_menu();
            } else {
                if (doubleBackToExitPressedOnce) {
                    finish();
                    return true;
                }

                doubleBackToExitPressedOnce = true;
                showSnackBar(R.string.back_to_exit);

                new Handler().postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        doubleBackToExitPressedOnce = false;
                    }
                }, 2000);
            }
            return true;
        default:
            return super.onKeyDown(keyCode, event);
    }
}
 

@Override
public void onBackPressed()
{
    if (mDrawerLayout.isDrawerOpen(GravityCompat.START))
    {
        mDrawerLayout.closeDrawer(GravityCompat.START);
    }
    else
    {
        super.onBackPressed();
    }
}
 

@Override
public void onBackPressed() {
    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    if (drawer.isDrawerOpen(GravityCompat.START)) {
        drawer.closeDrawer(GravityCompat.START);
    } else {
        super.onBackPressed();
    }
}
 

@Override
public View getView(final int position, View convertView, ViewGroup parent) {

	ViewHolder viewHolder = null;
	if (convertView == null) {
		convertView = LayoutInflater.from(fa).inflate(R.layout.menucontrol_item, null);
		viewHolder = new ViewHolder();
		viewHolder.menuItemName = (TextView) convertView.findViewById(R.id.menu_name);
		viewHolder.menuIcon = (ImageView)convertView.findViewById(R.id.menu_icon);
		convertView.setTag(viewHolder);
	}
	viewHolder = (ViewHolder) convertView.getTag();

	viewHolder.menuItemName.setText(menuItemList.get(position).getMenuItemName());
	viewHolder.menuIcon.setImageResource(menuItemList.get(position).getMenuItemIcon());

	if (selectedPosition == position) {
		Fragment fragment = MenuBaseUtils.getFragmentByName(fa,"com.keen.ma.fragment", position);
		FragmentTransaction ft = fa.getSupportFragmentManager().beginTransaction();
		Bundle args = new Bundle();
		args.putString("title", menuItemList.get(position).getMenuItemName());
		fragment.setArguments(args);
		HomeActivity.setTitle(menuItemList.get(position).getMenuItemName());
		ft.setCustomAnimations(R.anim.push_left_in, R.anim.push_left_out);
		ft.replace(R.id.content_frame, fragment).commit();
		menuLayout.closeDrawer(GravityCompat.START);
		convertView.setBackgroundColor(fa.getResources().getColor(R.color.trans_light_green));
	} else {
		convertView.setBackgroundColor(Color.TRANSPARENT);
	}
	return convertView;
}
 

@Override
public void onBackPressed() {
    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    if (drawer.isDrawerOpen(GravityCompat.START)) {
        drawer.closeDrawer(GravityCompat.START);
    } else {
        super.onBackPressed();
    }
}
 

@Override
public void onBackPressed() {
    if (drawerLayout.isDrawerOpen(GravityCompat.START)) {
        drawerLayout.closeDrawer(GravityCompat.START);
    } else if (drawerLayout.isDrawerOpen(GravityCompat.END)) {  /*Closes the Appropriate Drawer*/
        drawerLayout.closeDrawer(GravityCompat.END);
    } else {
        super.onBackPressed();
        this.finish();
    }
}
 

@Override public boolean onNavigationItemSelected(MenuItem item) {

    FragmentManager fragmentManager = getSupportFragmentManager();
    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();

    switch (item.getItemId()) {
      case R.id.nav_mail:
        fragmentTransaction.replace(R.id.tab_content_container, new CreateMailFragment());
        fragmentTransaction.commit();
        setTitle(item.getTitle());
        break;
      case R.id.nav_review:
        fragmentTransaction.replace(R.id.tab_content_container, new ReviewAppealFragment());
        fragmentTransaction.commit();
        setTitle(item.getTitle());
        break;
      case R.id.nav_premium:
        fragmentTransaction.replace(R.id.tab_content_container, new PremiumAppealFragment());
        fragmentTransaction.commit();
        setTitle(item.getTitle());
        break;
      case R.id.nav_profile:
        fragmentTransaction.replace(R.id.tab_content_container, new ProfileTutorialFragment());
        fragmentTransaction.commit();
        setTitle(item.getTitle());
        break;
    }

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
  }
 

@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
    // Handle navigation view item clicks here.
    int id = item.getItemId();

    if (id == R.id.nav_camera) {
        Toast.makeText(getApplicationContext(), getString(R.string.camera_text_value), Toast.LENGTH_SHORT).show();
    } else if (id == R.id.nav_gallery) {
        Toast.makeText(getApplicationContext(), getString(R.string.gallery_text_value), Toast.LENGTH_SHORT).show();

    } else if (id == R.id.nav_slideshow) {
        Toast.makeText(getApplicationContext(), getString(R.string.slideshow_text), Toast.LENGTH_SHORT).show();

    } else if (id == R.id.nav_manage) {
        Toast.makeText(getApplicationContext(), getString(R.string.tools_text), Toast.LENGTH_SHORT).show();

    } else if (id == R.id.nav_share) {
        Toast.makeText(getApplicationContext(), getString(R.string.share_text), Toast.LENGTH_SHORT).show();

    } else if (id == R.id.nav_send) {
        Toast.makeText(getApplicationContext(), getString(R.string.send_text), Toast.LENGTH_SHORT).show();
    }

    DrawerLayout drawer = findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
}
 

@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
    // Handle navigation view item clicks here.
    int id = item.getItemId();

    if (id == home) {
        getSupportFragmentManager().beginTransaction().replace(R.id.fragmentcontainer, new HomeView()).commit();

    } else if (id == R.id.userprofile) {
        startActivity(new Intent(getApplicationContext(), ProfileActivity.class));

    }
    else if (id == R.id.user_achiev) {
        getSupportFragmentManager().beginTransaction().replace(R.id.fragmentcontainer, new AchievmentsView()).commit();

    }
    else if (id == R.id.logout) {
        mAuth.signOut();
        Intent intent = new Intent(getApplicationContext(), LoginActivity.class);
        startActivity(intent);
    }
    else if (id == R.id.blood_storage){

        getSupportFragmentManager().beginTransaction().replace(R.id.fragmentcontainer, new SearchDonorFragment()).commit();

    } else if (id == R.id.nearby_hospital) {
        getSupportFragmentManager().beginTransaction().replace(R.id.fragmentcontainer, new NearByHospitalActivity()).commit();

    }

    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
}
 

@Override
public boolean onOptionsItemSelected(MenuItem item) {
  switch (item.getItemId()) {
    case R.id.menu_item_right_navigation:
      vDrawerLayout.openDrawer(GravityCompat.END);
      return true;
  }
  return super.onOptionsItemSelected(item);
}