Java Code Examples for android.support.v4.widget.DrawerLayout#setDrawerShadow()

private void setupLeftNavigationMenu() {
    DrawerLayout drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);

    LinearLayout drawer = (LinearLayout) findViewById(R.id.left_drawer);
    View drawerContent =
            LayoutInflater.from(this).inflate(R.layout.core_material_drawer, new RelativeLayout(CoreMaterialApplication.getContext()),
                    false);
    drawer.addView(drawerContent);

    AnimatedExpandableListView drawerList = (AnimatedExpandableListView) findViewById(R.id.left_drawer_list);
    mDrawerAdapter = new DrawerListRowAdapter(drawerList, this);
    drawerList.setAdapter(mDrawerAdapter);

    setupDrawerListRows(true);
}
 

/**
 * Define all views
 */
private void setView() {
    mScrimInsetsFrameLayout = (ScrimInsetsFrameLayout) findViewById(R.id.scrimInsetsFrameLayout);
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    if (mDrawerLayout != null) {
        mDrawerLayout.setStatusBarBackgroundColor(ContextCompat.getColor(MainActivity.this, R.color.statusbar_color));
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
    }
    mDrawerList = (RecyclerView) findViewById(R.id.drawer_list);
    mSplashView = (SplashView) findViewById(R.id.splash_view);

    LinearLayoutManager mLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
    mLayoutManager.setSmoothScrollbarEnabled(true);
    mDrawerList.setLayoutManager(mLayoutManager);
    mDrawerList.setHasFixedSize(true);
    mDrawerList.setAdapter(new RecyclerView.Adapter() {
        @Override
        public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
            return null;
        }

        @Override
        public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {}

        @Override
        public int getItemCount() {
            return 0;
        }
    });
}
 

/**
 * Define all views
 */
private void setView() {
    mScrimInsetsFrameLayout = (ScrimInsetsFrameLayout) findViewById(R.id.scrimInsetsFrameLayout);
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    if (mDrawerLayout != null) {
        mDrawerLayout.setStatusBarBackgroundColor(getResources().getColor(R.color.statusbar_color));
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
    }
    mDrawerList = (RecyclerView) findViewById(R.id.drawer_list);
    mSplashView = (SplashView) findViewById(R.id.splash_view);

    LinearLayoutManager mLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
    mLayoutManager.setSmoothScrollbarEnabled(true);
    mDrawerList.setLayoutManager(mLayoutManager);
    mDrawerList.setHasFixedSize(true);
    mDrawerList.setAdapter(new RecyclerView.Adapter() {
        @Override
        public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
            return null;
        }

        @Override
        public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        }

        @Override
        public int getItemCount() {
            return 0;
        }
    });
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);


    setActionBarIcon(R.drawable.ic_ab_drawer);
    GridView gridView = (GridView) findViewById(R.id.gridView);
    gridView.setAdapter(new GridViewAdapter());

    gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
            String url = (String) view.getTag();
            DetailActivity.launch(HomeActivity.this, view.findViewById(R.id.image), url);
        }
    });

    drawer = (DrawerLayout) findViewById(R.id.drawer);
    drawer.setDrawerShadow(R.drawable.drawer_shadow, Gravity.START);

    //TODO Customize Dialog
    if (prefs.getBoolean("firstrun", true)) {
        new MaterialDialog.Builder(this)
                .title("Loading")
                .content("It may take some time for the wallpapers to load. We're sorry for that but don't worry, this is just for the first start. After that the wallpapers are stored in the cache. Go and get some cookies :)")
                .positiveText("Okay.")
                .show();
        prefs.edit().putBoolean("firstrun", false).apply();
    }

}
 

private void initDrawer() {
    drawerLayout = (DrawerLayout) findViewById(R.id.drawer);
    if (drawerLayout == null || Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) return;

    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        int drawerResId = ThemeUtils.getThemeResId(getTheme(), R.attr.iconDrawer);
        drawerToggle = new ActionBarDrawerToogleV4(this, drawerLayout, drawerResId, R.string.drawer_open, R.string.drawer_close) {
            @SuppressWarnings("deprecation")
            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
                if (tabsAdapter != null) tabsAdapter.setDraggingItem(-1);
            }
            @SuppressWarnings("deprecation")
            @Override
            public void onDrawerSlide(View drawerView, float slideOffset) {
                super.onDrawerSlide(drawerView, slideOffset);
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) CompatibilityImpl.showActionBar(MainActivity.this);
            }
        };
    } else {
        drawerToggle = new ActionBarDrawerToogleV7(this, drawerLayout, R.string.drawer_open, R.string.drawer_close) {
            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
                if (tabsAdapter != null) tabsAdapter.setDraggingItem(-1);
            }
            @Override
            public void onDrawerSlide(View drawerView, float slideOffset) {
                super.onDrawerSlide(drawerView, slideOffset);
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) CompatibilityImpl.showActionBar(MainActivity.this);
            }
        };
    }
    drawerLayout.setDrawerListener(drawerToggle);
    
    drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, DRAWER_GRAVITY);
    CompatibilityImpl.activeActionBar(this);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    RecyclerView drawerOptions = (RecyclerView) findViewById(R.id.drawer_options);
    setSupportActionBar(toolbar);
    drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.drawer_open, R.string.drawer_close);
    drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, Gravity.START);
    drawerLayout.setStatusBarBackground(R.color.primary_dark);
    drawerLayout.setDrawerListener(drawerToggle);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(true);
    List<DrawerItem> drawerItems = Arrays.asList(
            new DrawerItem(DrawerItem.Type.HEADER),
            new DrawerMenu().setIconRes(R.drawable.ic_group).setText(getString(R.string.menu_template, 1)),
            new DrawerMenu().setIconRes(R.drawable.ic_map).setText(getString(R.string.menu_template, 2)),
            new DrawerItem(DrawerItem.Type.DIVIDER),
            new DrawerMenu().setIconRes(R.drawable.ic_person).setText(getString(R.string.menu_template, 3)),
            new DrawerMenu().setIconRes(R.drawable.ic_search).setText(getString(R.string.menu_template, 4)),
            new DrawerItem(DrawerItem.Type.DIVIDER),
            new DrawerMenu().setIconRes(R.drawable.ic_settings).setText(getString(R.string.menu_template, 5)));
    drawerOptions.setLayoutManager(new LinearLayoutManager(this));
    DrawerItemAdapter adapter = new DrawerItemAdapter(drawerItems);
    adapter.setOnItemClickListener(new DrawerItemAdapter.OnItemClickListener() {
        @Override
        public void onClick(View view, int position) {
            onDrawerMenuSelected(position);
        }
    });
    drawerOptions.setAdapter(adapter);
    drawerOptions.setHasFixedSize(true);
    if (savedInstanceState == null) setupFragment(new SimpleFramgment());
}
 

public MainDrawerMenu(MainActivity activity, SelectItemListener listener) {
    prefs = App.getInstance().getPreferences();
    DisplayMetrics displayMetrics = App.getInstance().getResources().getDisplayMetrics();
    float dpWidth = displayMetrics.widthPixels;
    if (dpWidth > displayMetrics.density * 400) {
        dpWidth = displayMetrics.density * 400;
    }
    dpWidth -= 80 * displayMetrics.density;
    mActivity = activity;
    mSelectItemListener = listener;
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);


    mDrawer = (NavigationView) findViewById(R.id.left_drawer);
    mDrawer.setNavigationItemSelectedListener(this);
    DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mDrawer.getLayoutParams();
    params.width = (int) dpWidth;
    if ("right".equals(Preferences.System.getDrawerMenuPosition())) {
        params.gravity = Gravity.RIGHT;
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow_end, GravityCompat.END);
    } else {
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow_start, GravityCompat.START);
    }
    mDrawer.setLayoutParams(params);

    setNavigationItems();

    mDrawerToggle = new ActionBarDrawerToggle(mActivity, mDrawerLayout, mActivity.toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close) {
        @Override
        public void onDrawerOpened(View drawerView) {
            super.onDrawerOpened(drawerView);
            mActivity.hidePopupWindows();
        }
    };
    mDrawerLayout.setDrawerListener(mDrawerToggle);
    mDrawerToggle.syncState();
}
 

private void setupNavigationDrawer() {
    final Toolbar toolbar = (Toolbar) findViewById(R.id.tool_bar);
    setSupportActionBar(toolbar);

    drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);

    drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, toolbar, 0, 0);
    drawerLayout.setDrawerListener(drawerToggle);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);


    setActionBarIcon(R.drawable.ic_ab_drawer);
    GridView gridView = (GridView) findViewById(R.id.gridView);
    gridView.setAdapter(new GridViewAdapter());

    gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
            String url = (String) view.getTag();
            DetailActivity.launch(HomeActivity.this, view.findViewById(R.id.image), url);
        }
    });

    drawer = (DrawerLayout) findViewById(R.id.drawer);
    drawer.setDrawerShadow(R.drawable.drawer_shadow, Gravity.START);

    //TODO Customize Dialog
    if (prefs.getBoolean("firstrun", true)) {
        new MaterialDialog.Builder(this)
                .title("Loading")
                .content("It may take some time for the wallpapers to load. We're sorry for that but don't worry, this is just for the first start. After that the wallpapers are stored in the cache. Go and get some cookies :)")
                .positiveText("Okay.")
                .show();
        prefs.edit().putBoolean("firstrun", false).apply();
    }

}
 

/**
 * drawer 的初始化方法
 */
private void creatdrawer() {
	// TODO 生成抽屉方法开始
       mTitle = mDrawerTitle = getTitle();
       mHomeTitles = getResources().getStringArray(R.array.home_array);
       mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
       mDrawerList = (ListView) findViewById(R.id.left_drawer);
       // set a custom shadow that overlays the main content when the drawer opens
       mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
       // set up the drawer's list view with items and click listener
       mDrawerList.setAdapter(new ArrayAdapter<String>(this,R.layout.drawer_list_item,mHomeTitles));
       mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
       // enable ActionBar app icon to behave as action to toggle nav drawer
       mActionBar.setDisplayHomeAsUpEnabled(true);
       mActionBar.setHomeButtonEnabled(true);

       // ActionBarDrawerToggle ties together the the proper interactions
       // between the sliding drawer and the action bar app icon
       mDrawerToggle = new ActionBarDrawerToggle(
               this,                  /* host Activity */
               mDrawerLayout,         /* DrawerLayout object */
               R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */
               R.string.drawer_open,  /* "open drawer" description for accessibility */
               R.string.drawer_close  /* "close drawer" description for accessibility */
               ) {
           public void onDrawerClosed(View view) {
           	mActionBar.setTitle(mTitle);
               invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu() 此时关闭抽屉
           }

           public void onDrawerOpened(View drawerView) {
               mActionBar.setTitle(mDrawerTitle);
               invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()  此时打开抽屉
               View v=mDrawerList.getChildAt(position);
               v.setBackgroundColor(Color.GRAY);
           }
       };
       mDrawerLayout.setDrawerListener(mDrawerToggle);
   
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_navigation_drawer);

    mTitle = mDrawerTitle = getTitle();
    mPlanetTitles = getResources().getStringArray(R.array.planets_array);
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerList = (RecyclerView) findViewById(R.id.left_drawer);

    // set a custom shadow that overlays the main content when the drawer opens
    mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
    // improve performance by indicating the list if fixed size.
    mDrawerList.setHasFixedSize(true);

    // set up the drawer's list view with items and click listener
    mDrawerList.setAdapter(new PlanetAdapter(mPlanetTitles, this));
    // enable ActionBar app icon to behave as action to toggle nav drawer
    getActionBar().setDisplayHomeAsUpEnabled(true);
    getActionBar().setHomeButtonEnabled(true);

    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    mDrawerToggle = new ActionBarDrawerToggle(
            this,                  /* host Activity */
            mDrawerLayout,         /* DrawerLayout object */
            R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */
            R.string.drawer_open,  /* "open drawer" description for accessibility */
            R.string.drawer_close  /* "close drawer" description for accessibility */
    ) {
        public void onDrawerClosed(View view) {
            getActionBar().setTitle(mTitle);
            invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
        }

        public void onDrawerOpened(View drawerView) {
            getActionBar().setTitle(mDrawerTitle);
            invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
        }
    };
    mDrawerLayout.setDrawerListener(mDrawerToggle);

    if (savedInstanceState == null) {
        selectItem(0);
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.fading_actionbar_activity_navigation_drawer);

    mTitle = mDrawerTitle = getTitle();
    mCityNames = getResources().getStringArray(R.array.drawer_items);
    TypedArray typedArray = getResources().obtainTypedArray(R.array.city_images);
    mCityImages = new int [typedArray.length()];
    for (int i = 0; i < typedArray.length(); ++i) {  
        mCityImages[i] = typedArray.getResourceId(i, 0);
    }
    typedArray.recycle();
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerList = (ListView) findViewById(R.id.left_drawer);

    // set a custom shadow that overlays the main content when the drawer opens
    mDrawerLayout.setDrawerShadow(R.drawable.fading_actionbar_drawer_shadow, GravityCompat.START);
    // set up the drawer's list view with items and click listener
    mDrawerList.setAdapter(new ArrayAdapter<String>(this,
            R.layout.fading_actionbar_drawer_list_item, mCityNames));
    mDrawerList.setOnItemClickListener(this);

    // enable ActionBar app icon to behave as action to toggle nav drawer
    getActionBar().setDisplayHomeAsUpEnabled(true);
    getActionBar().setHomeButtonEnabled(true);

    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    mDrawerToggle = new ActionBarDrawerToggle(
            this,                  /* host Activity */
            mDrawerLayout,         /* DrawerLayout object */
            R.drawable.fading_actionbar_ic_drawer,  /* nav drawer image to replace 'Up' caret */
            R.string.drawer_open,  /* "open drawer" description for accessibility */
            R.string.drawer_close  /* "close drawer" description for accessibility */
    ) {
        public void onDrawerClosed(View view) {
            getActionBar().setTitle(mTitle);
        }

        public void onDrawerOpened(View drawerView) {
            getActionBar().setTitle(mDrawerTitle);
        }
    };

    mDrawerLayout.setDrawerListener(mDrawerToggle);

    if (savedInstanceState == null) {
        selectItem(0);
    }
}
 

/**
 * {@inheritDoc}
 */
@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    mFragmentContainerView = getActivity().findViewById(mDrawerConfig.fragmentContainerId);
    View view = getActivity().findViewById(mDrawerConfig.drawerLayoutViewId);
    if (view != null && view instanceof DrawerLayout) {
        mDrawerLayout = (DrawerLayout)view;
    }

    ActionBar actionBar = getActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setHomeButtonEnabled(true);

    if (mDrawerLayout != null) {

        // set a custom shadow that overlays the main content when the drawer opens
        if (mDrawerConfig.drawerShadowResourceId != 0)
            mDrawerLayout.setDrawerShadow(mDrawerConfig.drawerShadowResourceId, GravityCompat.START);

        createActionBarDrawerToggle();

        // If the user hasn't 'learned' about the drawer, open it to introduce them to the drawer,
        // per the navigation drawer design guidelines.
        if (!mUserLearnedDrawer && !mFromSavedInstanceState) {
            mDrawerLayout.openDrawer(mFragmentContainerView);
        }

        // Defer code dependent on restoration of previous instance state.
        mDrawerLayout.post(new Runnable() {
            @Override
            public void run() {
                mDrawerToggle.syncState();
            }
        });

        mDrawerLayout.setDrawerListener(mDrawerToggle);
    }

    initUpIcon();

}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
   
    mTitle = mDrawerTitle = getTitle();
    mPlanetTitles = getResources().getStringArray(R.array.planets_array);
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerList = (ListView) findViewById(R.id.left_drawer);

    // set a custom shadow that overlays the main content when the drawer opens
    mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
    // set up the drawer's list view with items and click listener
    mDrawerList.setAdapter(new ArrayAdapter<String>(this,
            R.layout.drawer_list_item, mPlanetTitles));
    mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

    // enable ActionBar app icon to behave as action to toggle nav drawer
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(true);

    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    mDrawerToggle = new ActionBarDrawerToggle(
            this,                  /* host Activity */
            mDrawerLayout,         /* DrawerLayout object */
           // R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */  //no in the v7 constructor, so commented out.
            R.string.drawer_open,  /* "open drawer" description for accessibility */
            R.string.drawer_close  /* "close drawer" description for accessibility */
            ) {
        public void onDrawerClosed(View view) {
        	getSupportActionBar().setTitle(mTitle);
            invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
        }

        public void onDrawerOpened(View drawerView) {
        	getSupportActionBar().setTitle(mDrawerTitle);
            invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
        }
    };
    mDrawerLayout.setDrawerListener(mDrawerToggle);

    if (savedInstanceState == null) {
        selectItem(0);
    }
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	
	int main = this.getResources().getIdentifier("main", "layout", this.getPackageName());
	int internal = this.getResources().getIdentifier("internal", "string", this.getPackageName());
	
	int drawer_layout = this.getResources().getIdentifier("drawer_layout", "id", this.getPackageName());
	int left_drawer = this.getResources().getIdentifier("left_drawer", "id", this.getPackageName());
	int drawer_shadow = this.getResources().getIdentifier("drawer_shadow", "drawable", this.getPackageName());
	int ic_navigation_drawer = this.getResources().getIdentifier("ic_navigation_drawer", "drawable", this.getPackageName());

	int drawer_open = this.getResources().getIdentifier("drawer_open", "string", this.getPackageName());
	int drawer_close = this.getResources().getIdentifier("drawer_close", "string", this.getPackageName());

	setContentView(main);

    getActionBar().setDisplayHomeAsUpEnabled(true);
    getActionBar().setHomeButtonEnabled(true);
	_context = this;
	Bundle extras = getIntent().getExtras();
	if (extras != null) {
		if (extras
				.getStringArrayList(Constants.KEY_FILTER_FILES_EXTENSIONS) != null) {
			extensions = extras
					.getStringArrayList(Constants.KEY_FILTER_FILES_EXTENSIONS);
			fileFilter = new FileFilter() {
				@Override
				public boolean accept(File pathname) {
					return ((pathname.isDirectory()) || (pathname.getName()
							.contains(".") ? extensions.contains(pathname
							.getName().substring(
									pathname.getName().lastIndexOf(".")).toLowerCase())
							: false));
				}
			};
		}
	}
	currentFolder = new File(Environment.getExternalStorageDirectory()
			.getAbsolutePath());
	
	currentCategory = new Category();
	currentCategory.title = getString(internal);
	currentCategory.path = currentFolder.getAbsolutePath(); 
			
    mDrawerLayout = (DrawerLayout) findViewById(drawer_layout);
    mDrawerLayout.setDrawerShadow(drawer_shadow,GravityCompat.START);
		mDrawerList = (ListView) findViewById(left_drawer);
    mDrawerToggle = new ActionBarDrawerToggle(this, /* host Activity */
    	 mDrawerLayout, /* DrawerLayout object */
    	 ic_navigation_drawer, /* nav drawer image to replace 'Up' caret */
    	 drawer_open, /* "open drawer" description for accessibility */
    	 drawer_close /* "close drawer" description for accessibility */
    	 ) {
    	     public void onDrawerClosed(View view) 
    	     {
    	           // getSupportActionBar().setTitle(mTitle);
    	            invalidateOptionsMenu(); // creates call to
    	                                            // onPrepareOptionsMenu()
    	     }

    	     public void onDrawerOpened(View drawerView) 
    	     {
    	           // getSupportActionBar().setTitle(mDrawerTitle);
    	            invalidateOptionsMenu(); // creates call to
    	                                            // onPrepareOptionsMenu()
    	     }
           };
           
   mDrawerLayout.post(new Runnable() {
               @Override
               public void run() {
                   mDrawerToggle.syncState();
               }
           });
    	     
    mDrawerLayout.setDrawerListener(mDrawerToggle);
  //  ActionBar.
    //getSupportActionBar().set

	fill(currentFolder);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_nav);

    mTitle = mDrawerTitle = getTitle();
    mTitles = getResources().getStringArray(R.array.titles);
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerList = (ListView) findViewById(R.id.left_drawer);

    // set a custom shadow that overlays the main content when the drawer opens
    mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
    // set up the drawer's list view with items and click listener
    mDrawerList.setAdapter(new ArrayAdapter<String>(this,
            R.layout.drawer_list_item, mTitles));
    mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

    // enable ActionBar app icon to behave as action to toggle nav drawer
    getActionBar().setDisplayHomeAsUpEnabled(true);
    getActionBar().setHomeButtonEnabled(true);

    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    mDrawerToggle = new ActionBarDrawerToggle(
            this,                  /* host Activity */
            mDrawerLayout,         /* DrawerLayout object */
            R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */
            R.string.drawer_open,  /* "open drawer" description for accessibility */
            R.string.drawer_close  /* "close drawer" description for accessibility */
            ) {
        public void onDrawerClosed(View view) {
            getActionBar().setTitle(mTitle);
            invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
        }

        public void onDrawerOpened(View drawerView) {
            getActionBar().setTitle(mDrawerTitle);
            invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
        }
    };
    mDrawerLayout.setDrawerListener(mDrawerToggle);

    if (savedInstanceState == null) {
        selectItem(0);
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_navigation_drawer);

    mTitle = mDrawerTitle = getTitle();
    mCityNames = getResources().getStringArray(R.array.drawer_items);
    TypedArray typedArray = getResources().obtainTypedArray(R.array.city_images);
    mCityImages = new int [typedArray.length()];
    for (int i = 0; i < typedArray.length(); ++i) {  
        mCityImages[i] = typedArray.getResourceId(i, 0);
    }
    typedArray.recycle();
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerList = (ListView) findViewById(R.id.left_drawer);

    // set a custom shadow that overlays the main content when the drawer opens
    mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
    // set up the drawer's list view with items and click listener
    mDrawerList.setAdapter(new ArrayAdapter<String>(this,
            R.layout.drawer_list_item, mCityNames));
    mDrawerList.setOnItemClickListener(this);

    // enable ActionBar app icon to behave as action to toggle nav drawer
    getActionBar().setDisplayHomeAsUpEnabled(true);
    getActionBar().setHomeButtonEnabled(true);

    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    mDrawerToggle = new ActionBarDrawerToggle(
            this,                  /* host Activity */
            mDrawerLayout,         /* DrawerLayout object */
            R.drawable.ic_drawer,  /* nav drawer image to replace 'Up' caret */
            R.string.drawer_open,  /* "open drawer" description for accessibility */
            R.string.drawer_close  /* "close drawer" description for accessibility */
    ) {
        public void onDrawerClosed(View view) {
            getActionBar().setTitle(mTitle);
        }

        public void onDrawerOpened(View drawerView) {
            getActionBar().setTitle(mDrawerTitle);
        }
    };

    mDrawerLayout.setDrawerListener(mDrawerToggle);

    if (savedInstanceState == null) {
        selectItem(0);
    }
}
 

public void setUpMenuDrawer(int selectItem) {
	drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
	navigationView = (NavigationView) findViewById(R.id.nav_view);
	headerView = navigationView.getHeaderView(0);
	if (headerView.findViewById(R.id.layout_user) != null) {
		final boolean isLogin = Memory.getBoolean(this, Constant.PREF_IS_LOGIN, false);
		headerView.findViewById(R.id.layout_user)
				.setOnClickListener(new View.OnClickListener() {

					@Override
					public void onClick(View v) {
						drawer.closeDrawers();
						if (mLayoutID == R.layout.activity_messages ||
								mLayoutID == R.layout.activity_about) {
							if (isLogin) {
								showUserInfo();
							} else {
								startActivity(
										new Intent(SilentActivity.this, LoginActivity.class));
							}
						} else if (mLayoutID == R.layout.activity_login) {
							Toast.makeText(SilentActivity.this, R.string.login_first,
									Toast.LENGTH_SHORT).show();
						} else {
							showUserInfo();
						}
					}
				});
	}

	drawer.setDrawerShadow(R.drawable.shadow_right, GravityCompat.START);
	drawer.setStatusBarBackgroundColor(ContextCompat.getColor(this, R.color.main_theme_dark));

	mDrawerToggle = new AnimationActionBarDrawerToggle(this, drawer, R.string.open_drawer,
			R.string.close_drawer) {

		@Override
		public void onDrawerSlide(View drawerView, float slideOffset) {
			if (drawerView == navigationView) {
				super.onDrawerSlide(drawerView, slideOffset);
				InputMethodManager inputMethodManager =
						(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
				inputMethodManager.hideSoftInputFromWindow(drawerView.getWindowToken(), 0);
			}
		}

		/** Called when a drawer has settled in a completely closed state. */
		public void onDrawerClosed(View drawerView) {
			if (drawerView == navigationView) {
				super.onDrawerClosed(drawerView);
				InputMethodManager inputMethodManager =
						(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
				inputMethodManager.hideSoftInputFromWindow(drawerView.getWindowToken(), 0);
			}
		}

		/** Called when a drawer has settled in a completely open state. */
		public void onDrawerOpened(View drawerView) {
			if (drawerView == navigationView) {
				super.onDrawerOpened(drawerView);
				InputMethodManager inputMethodManager =
						(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
				inputMethodManager.hideSoftInputFromWindow(drawerView.getWindowToken(), 0);
			}
		}
	};

	// Set the drawer toggle as the DrawerListener
	drawer.setDrawerListener(mDrawerToggle);
	navigationView.setNavigationItemSelectedListener(this);

	mSelectedItem = -1;
	if (-1 < selectItem && selectItem < navigationView.getMenu().size()) {
		selectedMenuItem = navigationView.getMenu().getItem(selectItem);
		selectedMenuItem.setChecked(true);
		mSelectedItem = selectItem;
	}
}
 

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mTitle = getTitle();

    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerToggle = new ActionBarDrawerToggle(
            this, /* host Activity */
            mDrawerLayout, /* DrawerLayout object */
            R.drawable.ic_drawer, /* nav drawer icon to replace 'Up' caret */
            R.string.drawer_open, /* "open drawer" description */
            R.string.drawer_close /* "close drawer" description */
            ) {

                /**
                 * Called when a drawer has settled in a completely closed
                 * state.
                 */
                public void onDrawerClosed(View view) {
                    setTitle(mTitle);
                }

                /**
                 * Called when a drawer has settled in a completely open
                 * state.
                 */
                public void onDrawerOpened(View drawerView) {
                    getSupportActionBar().setTitle(
                            getResources().getString(R.string.drawer_name));
                }
            };

    // Set the drawer toggle as the DrawerListener
    mDrawerLayout.setDrawerListener(mDrawerToggle);
    mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);

    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(true);

    mRooms = getResources().getStringArray(R.array.rooms_array);
    mDrawerList = (ListView) findViewById(R.id.left_drawer);
    // Set the adapter for the list view
    mDrawerList.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_list_item, mRooms));

    // Set the list's click listener
    mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

}
 

private void addDrawerLayout() {
	
       drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
       drawerList = (ListView) findViewById(R.id.left_drawer);

       drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
       
       // Set the adapter for the list view
       drawerList.setAdapter(new ArrayAdapter<String>(this,
               R.layout.drawer_list_item, drawerListContents));
       // Set the list's click listener
       drawerList.setOnItemClickListener(new DrawerItemClickListener());
       
       // enable ActionBar app icon to behave as action to toggle nav drawer
       getActionBar().setDisplayHomeAsUpEnabled(true);
       getActionBar().setHomeButtonEnabled(true);
       
       
       
       drawerToggle = new ActionBarDrawerToggle(this, drawerLayout,
               R.drawable.ic_drawer, R.string.drawer_open, R.string.drawer_close) {

           /** Called when a drawer has settled in a completely closed state. */
           public void onDrawerClosed(View view) {
           	hideKeyboard();
           	super.onDrawerClosed(view);
               invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
               
           }

           /** Called when a drawer has settled in a completely open state. */
           public void onDrawerOpened(View drawerView) {
           	hideKeyboard();
           	super.onDrawerOpened(drawerView);
               invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
               
           }
           
           
       };

       drawerToggle.setDrawerIndicatorEnabled(true);
       
       // Set the drawer toggle as the DrawerListener
       drawerLayout.setDrawerListener(drawerToggle);
  
}