bottom-app-bar | A bottom navigation bar animation | Navigation library
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kandi X-RAY | bottom-app-bar Summary
A bottom navigation bar animation
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QUESTION
In all the samples and on the Material Design website BottomAppBar
is used as a direct child of CoordinatorLayout
. I have read this is the recommended practice. I have tried it as a direct child of ConstraintLayout
and it works fine. Why is this recommended? What is the purpose of wrapping it up in CoordinatorLayout
?
ANSWER
Answered 2021-Jun-03 at 08:43ConstraintLayout
is similar to RelativeLayout
, it provides a flexible way to create a flat hierarchy view. The main principle is to help in relatively positioning its child views. But this layout will not help you much in handling the animations and interactions between the parent and child views.
CoordinatorLayout
is introduced as a top-level layout that helps in handling and animating the transitions of its views with some behavior motions defined for them.
I have tried it as a direct child of ConstraintLayout and it works fine.
Yes, you can place BottomAppBar
in ConstrintLayout
also. But it will work as a normal child view without any motion behavior.
Why is this recommended? What is the purpose of wrapping it up in CoordinatorLayout?
It is recommended because to help you with the view transitions and motion behavior of the BottomAppBar
.
QUESTION
I was trying out Navigation architecture component and is now having difficulties in setting the title. How do I set the title programmatically and also how it works?
To clear my question, let's have an example, where, I've set up a simple app with MainActivity
hosting the navigation host controller, the MainFragment
has a button and on clicking the button it goes to DetailFragment
.
The same code from another question of multiple app bars on stack-overflow.
MainActivity
...ANSWER
Answered 2019-Mar-25 at 07:20It's actually because of:
QUESTION
I'm creating a Bottom App Bar with an Floating Action Button. The App Bar is part of my Main Activity and I want to hide the FAB for some Fragments within the Activity.
I already tried 'View.GONE' and 'fab.hide()'. Then I tried to hide the Fab with following function:
...ANSWER
Answered 2019-May-20 at 07:46Just tested out with fab.hide() method and it works. The "logic" to hide the fab should occur in the activity and not in the fragment. The next logic is set in the activity and the hide part is inside the else branch at the end.
QUESTION
I am using the new Bottom App Bar from the Material Design Components. I am trying to give shadow at the top of the Bottom App Bar like the one in Google Tasks app as shown below.
I have tried using both android:elevation
and app:elevation
attribute. Please help.
ANSWER
Answered 2019-Jan-11 at 16:41I ended up using this solution.
Step 1
Create a shape_drawable.xml
file in the drawable folder as shown below:
QUESTION
I'm using the latest Material Design library for android and following the this documentation to create BottomAppBar.
...ANSWER
Answered 2018-Nov-26 at 04:56Check this Include Google Maven repository in build.gradle.
QUESTION
Tried Many Solution But No Helped
Ref : Failed to find style 'coordinatorLayoutStyle' in current theme
But not Helped
Render Problem:
Failed to find style 'coordinatorLayoutStyle' in current theme
Tip: Try to refresh the layout.
build.gradle file of my project is :
...ANSWER
Answered 2018-Aug-25 at 12:46This error was occurred in your Rendering Layout which is a part of Studio Not in any files or Library
Try adding "Base" before Theme in styles.xml as show : - "Base.Theme.AppCompat.Light.DarkActionBar"
Please restart Android Studio by selecting the menu option "File" → "Invalidate Caches / Restart"
- Workarounds: Try rendering with M preview using AS v1.3 preview OR use FrameLayout for designing and change to android.support.design.widget.CoordinatorLayout while debugging.
QUESTION
What I want to achieve is like this image (Without top NavigationView
though) but with Toolbar
Menu + BottomAppBar
Menu + BottomNavigationDrawerFragment
exactly like material design:
I could manage the BottomAppBar
menu by replace()
(My Answer):
ANSWER
Answered 2018-Sep-27 at 19:24Hopefully, I have found the answer. So if we want to create such layouts (Without Top NavigationDrawer
- view
) Here are the steps:
Declare the Toolbar
as usual:
QUESTION
I am implementing the Bottom App Bar (https://material.io/develop/android/components/bottom-app-bar/) and I am facing two challenges.
When using the
Navigation
component and navigate to a new fragment, the drawer icon turns int<-
back button but it is black. Any way to change its color?If I set the behavior to
myAppBar.hideOnScroll = true
then when I am in a Recyclerview and I scroll up, the bar gets hidden which is really nice. However, if I navigate to a new fragment, the bar remains hidden. How can I programatically show the bar again?
LE: 1. was fixed by using android:theme ThemeOverlay.MaterialComponents.Dark.ActionBar
ANSWER
Answered 2018-Aug-15 at 20:15Edit: The BottomAppBar can now be scrolled on or off the screen programatically. See https://issuetracker.google.com/issues/111925683
For now you could just set or animate the translationY property of the BottomAppBar
to be 0. And perform the animations run by the BottomAppBar.Behavior
on the fab: https://github.com/material-components/material-components-android/blob/841ba156fc33e721b991684c8a4bb4afdc56d90c/lib/java/com/google/android/material/bottomappbar/BottomAppBar.java#L754-L782
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