navigationview

问题 I would like to open the navigationview on a right swipe, no matter where the right swipe is. Default you have to make the right swipe quite at the side, but I want to swipe for example from the middle to open the navigationview 回答1: you could either increase the swipe edge of the drawer using something like this public static void increaseSwipeEdgeOfDrawer(DrawerLayout mDlSearchDrawer) { try { Field mDragger = mDlSearchDrawer.getClass().getDeclaredField( "mRightDragger");//mRightDragger or

问题 This question already has answers here : What is a NullPointerException, and how do I fix it? (12 answers) Closed 3 years ago . Why am i getting Null Pointer Exceptions on my NavigationView header initialized variables while setting the values from shared preferences? Here is my code private void setNavigationHeader() { View navHeader = mNavigationView.getHeaderView(0); TextView mProfileName = (TextView) navHeader.findViewById(R.id.profile_name); TextView mProfileEmail = (TextView) navHeader

问题 OK, the behavior or my NavigationView works. I click on the settings and it takes me there. I click on my first item, it does what it should. I click on the second item, it does what it should. However, my issue is with the selection state. I will click on an item, and it will not select it. The only selection that works is my Settings menu. When I click on that item, the settings menu will become selected, along with all previous items I clicked on. Scenarios On App Load Go to NavigationView

问题 everyone. Is it possible to make Navigation View transparent? I have custom layout and try to set 50% transparent background for this layout, Navigation View or Drawer Layout . android:background="#80000000" but it doesn't give expected result. Anybody tried to do this? I would appreciate help. 回答1: you can try: navigationView.getBackground().setAlpha(122); Here you can set the opacity between 0 (fully transparent) to 255 (completely opaque). you can also use XML value alpha that takes double

问题 i have this menu for the NavigationView of layout: <item android:title="title1"> <menu> <item android:id="@+id/nav_tab1" android:icon="@drawable/ic_action_nav_tab1" android:title="test1" /> <item android:id="@+id/nav_tab2" android:icon="@drawable/ic_action_nav_tab2" android:title="test2" /> </menu> </item> <item android:title="title2"> <menu> <item android:id="@+id/nav_settings" android:icon="@drawable/ic_action_settings" android:title="test3" /> </menu> </item> how can remove the line

问题 I'm developing an android app using design library and appCompat library. I'm facing some issues when tried to listen to long click on a menu item. My app has a NavigationView as a side menu, inside this navigationview I had a menu with a lot of items. I can listen to click of these items but I can't listen to the long click. Does anybody know how do I implement it? Thanks. 回答1: update You can use: Menu myMenu = navigationView.getMenu(); MenuItem myItem = myMenu.findItem(R.id.my_item); myItem

问题 i'm using NavigationView with compile 'com.android.support:design:22.2.1' Well, everything is good unless it hasn't vertical scroll How do I set it via xml? xml: <?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/drawer_layout" android:layout_width="match_parent" android:layout_height="match

问题 I need to put a menu item icon at right of text (by default it's on the left side) so how to change menu item gravity to right in NavigationView ? because we can not custom NavigationView Items,I think it's impossible. can any one help me. my menu xml file is: <menu xmlns:android="http://schemas.android.com/apk/res/android"> <group android:id="@+id/menu_group_2"> <item android:id="@+id/menu_settings" android:title="Settings" /> <item android:id="@+id/menu_about" android:title="About" /> <

问题 I'm using a NavigationView supplied by the Android Design Library. I've found after adding a few items to it that is performing quite poorly. On first launch it takes a second or so to open for the firs time. Here's a screenshot of the UI. I'll try to post some of the relevant bits of code. Drawer XML <group android:checkableBehavior="single"> <item android:id="@+id/home" android:checked="false" android:icon="@drawable/ic_home" android:title="Home" /> <item android:id="@+id/about" android

问题 I have a problem with the NavigationView Control and the titlebar. I have tried to extend the view into the titlebar to play with the acrylic effects of the standard NavigationView. But then I´ve noticed that the back and menu buttons are underneath the titlebar, so you´re not able to click them properly. In the attached image, you can see that everything under the red line is clickable but when you go over it, you are targeting the titlebar. Is there anything I can do to fix this behavior?