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BottomNavigationViewEx

An android lib for enhancing BottomNavigationView.

MIT License api 9+

About Us

天宇工作室

Features

Method Description
enableAnimation Enable or disable click item animation(text scale and icon move animation in no item shifting mode). Default true.
enableItemShiftingMode Enable the shifting mode for each item. It will have a shifting animation for item if true. Otherwise the item text is always shown. Default true when item count > 3.
enableShiftingMode Enable the shifting mode for navigation. It will has a shift animation if true. Otherwise all items are the same width. Default true when item count > 3.
getBottomNavigationItemView Get private mButton in mMenuView at position
getBottomNavigationItemViews Get private mButtons in mMenuView
getCurrentItem Get the current checked item position.
getIconAt Get icon at position.
getItemCount Get item count.
getItemHeight Get item height.
getLargeLabelAt Get large label at position. Each item has two labels, one is large, the other is small.
getSmallLabelAt Get small label at position. Each item has two labels, one is large, the other is small.
getMenuItemPosition Get menu item position in menu. Return position if success, -1 otherwise.
getOnNavigationItemSelectedListener Get OnNavigationItemSelectedListener.
setCurrentItem Set the currently checked item.
setIconMarginTop set margin top for icon.
setIconSize Set all item ImageView size.
setIconSizeAt Set all item ImageView size which is at position.
setIconsMarginTop set margin top for all icons.
setIconTintList Set item icon tint list.
setIconVisibility Change the visibility of an icon.
setItemBackground Set background of item.
setItemHeight Set menu item height.
setLargeTextSize Set all item large TextView size. Each item has two labels, one small and one large. The small one will be shown when item state is normal. The large one will be shown when item is checked.
setSmallTextSize Set all item small TextView size. Each item has two labels, one small and one large. The small one will be shown when item state is normal. The large one will be shown when item is checked.
setTextSize Set all item large and small TextView size.
setTextTintList Set item TextView color.
setTextVisibility Change the visibility of text.
setTypeface set Typeface for all item TextView.
setupWithViewPager This method will link the given ViewPager and this BottomNavigationViewEx together so that changes in one are automatically reflected in the other. This includes scroll state changes and clicks.

Example

Style

Attention: Something wrong on Android 4.x

With ViewPager

Add ViewBadger

Center Floating Action Button

Adding to project

Sdk Version

compileSdkVersion >= 25

Importing to project

Example for Gradle:

Step 1. Add it in your root build.gradle at the end of repositories:

allprojects {
	repositories {
		...
		maven { url "https://jitpack.io" }
		maven { url "https://maven.google.com" }
	}
}

Step 2. Add the dependency

compile 'com.github.ittianyu:BottomNavigationViewEx:1.2.4'
compile "com.android.support:design:26.+"

Manual:

Downloading BottomNavigationViewEx.java and copying it to you project.

Getting started

Adding a custom widget in xml :

<com.ittianyu.bottomnavigationviewex.BottomNavigationViewEx
    android:id="@+id/bnve"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_alignParentBottom="true"
    android:background="@color/colorPrimary"
    app:itemIconTint="@color/selector_item_color"
    app:itemTextColor="@color/selector_item_color"
    app:menu="@menu/menu_navigation_with_view_pager" />

Binding view in Activity:

BottomNavigationViewEx bnve = (BottomNavigationViewEx) findViewById(R.id.bnve);

Disable all animations

bnve.enableAnimation(false);
bnve.enableShiftingMode(false);
bnve.enableItemShiftingMode(false);

Custom text and icon size

bnve.setIconSize(widthDp, heightDp);
bnve.setTextSize(sp);

Binding with ViewPager

// set adapter
adapter = new VpAdapter(getSupportFragmentManager(), fragments);
bind.vp.setAdapter(adapter);

// binding with ViewPager
bind.bnve.setupWithViewPager(bind.vp);

Add badge view

  1. Add badge lib 
    compile 'q.rorbin:badgeview:1.1.0'
  2. Bind bottom view 
    // add badge
addBadgeAt(2, 1);

private Badge addBadgeAt(int position, int number) {
    // add badge
    return new QBadgeView(this)
            .setBadgeNumber(number)
            .setGravityOffset(12, 2, true)
            .bindTarget(bind.bnve.getBottomNavigationItemView(position))
            .setOnDragStateChangedListener(new Badge.OnDragStateChangedListener() {
                @Override
                public void onDragStateChanged(int dragState, Badge badge, View targetView) {
                    if (Badge.OnDragStateChangedListener.STATE_SUCCEED == dragState)
                        Toast.makeText(BadgeViewActivity.this, R.string.tips_badge_removed, Toast.LENGTH_SHORT).show();
                }
            });
}

Other usage in BottomNavigationViewEx

You can see the demo.

Usage in BottomNavigationView

Other usage is the same as official BottomNavigationView. You can click here for detail.

ProGuard

If you are using ProGuard you might need to add the following option:

-keep public class android.support.design.widget.BottomNavigationView { *; }
-keep public class android.support.design.internal.BottomNavigationMenuView { *; }
-keep public class android.support.design.internal.BottomNavigationPresenter { *; }
-keep public class android.support.design.internal.BottomNavigationItemView { *; }

References

The lib is based on BottomNavigationView in Support Library 25 design.

I found it was inflexible when I tried the demo. For example, I couldn't change the currently checked item through code. So I wrote a class to extend it to provide some useful methods.

You have no need to worry about stability, because I minimised the modifications through reflection.

Thanks

Thanks to Adrián Mouly | liaolintao | Luong Vo.

License

MIT License

Copyright (c) 2017 ittianyu

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.