navigationview - w3toppers.com

Default Navigation Drawer View to ExpandableListView

This is the code for expandable list adapter: public class ExpandListAdapter extends BaseExpandableListAdapter { private Context _context; private List<String> _listDataHeader; // header titles // child data in format of header title, child title private HashMap<String, List<String>> _listDataChild; public ExpandListAdapter(Context context, List<String> listDataHeader, HashMap<String, List<String>> listChildData) { this._context = context; this._listDataHeader = listDataHeader; this._listDataChild = listChildData; … Read more

Change Navigation View Item Color Dynamically Android

use app:itemIconTint in your NavigationView for icons and use app:itemTextColor for textColors Sample : drawable/navigation_text_color : <selector xmlns:android=”http://schemas.android.com/apk/res/android”> <!– This is used when the Navigation Item is checked –> <item android:color=”#009688″ android:state_checked=”true” /> <!– This is the default text color –> <item android:color=”#E91E63″ /> </selector> and layout : <android.support.design.widget.NavigationView . . app:itemTextColor=”@drawable/navigation_text_color”/>

NavigationView: how to insert divider without subgroup?

All you need to do is define a group with an unique ID. I looked through NavigationView‘s implementation, and it will create a divider every time the group id is changed. e.g. <group android:id=”@+id/my_id”> <!– Divider will appear above this item –> <item … /> </group>

Is there any way to control views inside NavigationView header?

After updating your support library to version 23.1.1 or above, You could do this – View header = navigationView.getHeaderView(0); TextView text = (TextView) header.findViewById(R.id.textView); or if you have multiple headers navigationView.getHeaderCount() Ref : https://code.google.com/p/android/issues/detail?id=190226#c31

Android – Navigation View item menu background color

You don’t set the drawable for the background of a Navigation View item in your styles.xml file. Open up your XML layout file containing your Navigation View widget, and add the following line to the widget’s attributes: app:itemBackground=”@drawable/activated_background.xml” If you’re having trouble with the “app” pointer, add the following line in as well: xmlns:app=”http://schemas.android.com/apk/res-auto” Note … Read more

Is there a SwiftUI equivalent for viewWillDisappear(_:) or detect when a view is about to be removed?

Here is approach that works for me, it is not pure-SwiftUI but I assume worth posting Usage: SomeView() .onDisappear { print(“x Default disappear”) } .onWillDisappear { // << order does NOT matter print(“>>> going to disappear”) } Code: struct WillDisappearHandler: UIViewControllerRepresentable { func makeCoordinator() -> WillDisappearHandler.Coordinator { Coordinator(onWillDisappear: onWillDisappear) } let onWillDisappear: () -> Void … Read more

How to set custom typeface to items in NavigationView?

just add following class file to your project. import android.graphics.Paint; import android.graphics.Typeface; import android.text.TextPaint; import android.text.style.TypefaceSpan; public class CustomTypefaceSpan extends TypefaceSpan { private final Typeface newType; public CustomTypefaceSpan(String family, Typeface type) { super(family); newType = type; } @Override public void updateDrawState(TextPaint ds) { applyCustomTypeFace(ds, newType); } @Override public void updateMeasureState(TextPaint paint) { applyCustomTypeFace(paint, newType); } … Read more

setNavigationItemSelectedListener Not Working

I had the same problem, and I discovered that Android is VERY particular about the layout XML. I had my NavigationView as the first child of the DrawerLayout, but it has to be the last child for some stupid reason. So your layout must have the elements in this order: <DrawerLayout> <FrameLayout/> <NavigationView/> </DrawerLayout> NOT … Read more

How can I change separator color in NavigationView?

just apply following line on style.xml <item name=”android:listDivider”>your_color</item> The below is just information for your knowledge … If you have seen design support library .. they are using following layout for NavigationView seprator.. <FrameLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”match_parent” android:layout_height=”wrap_content”> <View android:layout_width=”match_parent” android:layout_height=”1dp” android:background=”?android:attr/listDivider”/> </FrameLayout> here, you can see android:background=”?android:attr/listDivider” .. So enjoy … and here is my … Read more

NavigationView menu items with counter on the right

Starting from version 23 of appcompat-v7 NavigationView supports action views, so it is quite easy to implement counter yourself. Create counter layout, i.e. menu_counter.xml: <?xml version=”1.0″ encoding=”utf-8″?> <TextView xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”wrap_content” android:layout_height=”match_parent” android:gravity=”center_vertical” android:textAppearance=”@style/TextAppearance.AppCompat.Body2″ /> Reference it in your drawer menu xml, i.e. menu/drawer.xml: <item … app:actionLayout=”@layout/menu_counter” /> Note that you should use app namespace, don’t … Read more