I have a simple layout that is a CoordinatorLayout containing a Toolbar in an AppBarLayout and a RecyclerView. To allow for a progress bar while content is loaded into the RecyclerView I've wrapped it in a FrameLayout alongside a ProgressBar which I've included from another file. When the content is loading the ProgressBar is set to VISIBLE and when it's finished it's set to GONE, showing the RecyclerView. I'd like to use a ScrollingViewBehavior so that when I scroll my RecyclerView the Toolbar is hidden. I've tried adding it to the FrameLayout and the RecyclerView and neither seems to work.
What do I have to do to get the behavior I am looking for? Do I need to make a new ViewGroup or something like that in order to show/hide the ProgressBar and define a new Behavior for that, or is there something simpler?
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<android.support.design.widget.AppBarLayout
android:id="#+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:minHeight="?attr/actionBarSize"
android:theme="#style/ToolbarTheme"
android:background="?attr/colorPrimary"/>
</android.support.design.widget.AppBarLayout>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="vertical"
android:id="#+id/recycler_view" />
<include layout="#layout/progress_circle" />
</FrameLayout>
<include layout="#layout/floating_action_button"/>
</android.support.design.widget.CoordinatorLayout>
I have almost the same setup you do, but I've included two progress bars. One appears when the activity is loaded, and covers the whole thing. The second one appears on a swipe refresh and only replaces the RecyclerView (well, actually the RecyclerView's parent SwipeRefreshLayout).
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:focusableInTouchMode="true">
<include layout="#layout/loading_progress"/>
<android.support.design.widget.CoordinatorLayout
android:id="#+id/coordinator_layout"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="false">
<android.support.design.widget.AppBarLayout
android:id="#+id/app_bar"
android:layout_width="match_parent"
android:layout_height="#dimen/app_bar_height"
android:fitsSystemWindows="false"
android:theme="#style/AppTheme.AppBarOverlay">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/toolbar_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="false"
app:contentScrim="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar_landing_page"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_collapseMode="pin"
app:popupTheme="#style/AppTheme.PopupOverlay"/>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<include layout="#layout/loading_progress"/>
<android.support.v4.widget.SwipeRefreshLayout
android:id="#+id/swipe_refresh"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="#dimen/landing_page_top_margin"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<android.support.v7.widget.RecyclerView
android:id="#+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</android.support.v4.widget.SwipeRefreshLayout>
</android.support.design.widget.CoordinatorLayout>
</RelativeLayout>
And my progress bar is just:
<ProgressBar
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/loading_progress"
style="#android:style/Widget.ProgressBar.Inverse"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:visibility="gone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
When it's time to show the progress bar I set it to View.VISIBLE and the SwipeRefreshLayout (or the CoordinatorLayout for when the Activity is loaded) to View.GONE. Then reverse the VISIBLE and GONE when the data is loaded.
Related
I am trying to implement pull to refresh but I'm having an issue with SwipeRefreshLayout not wrapping the child view's height. In the view preview and in a live build it appears to have 0 height.
The layout as as follows:
<android.support.design.widget.AppBarLayout
android:id="#+id/app_bar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:elevation="0dp">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
app:layout_collapseMode="pin">
<android.support.v4.widget.SwipeRefreshLayout
android:id="#+id/swipe_refresh_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<include layout="#layout/child_layout" />
</android.support.v4.widget.SwipeRefreshLayout>
</android.support.v7.widget.Toolbar>
</android.support.design.widget.AppBarLayout>
I have also tried making the SwipeRefreshLayout the parent of the AppBarLayout without any success as well as putting a singular LinearLayout inside of the SwipeRefreshLayout. The only thing that seems to prevent the height of the swipe layout from being 0 is to set it statically but I want it to be dynamic based upon the height of the child view.
Is there something I'm missing here? It seems like there may be a bug with SwipeRefreshLayout because replacing it with a LinearLayout that also wraps the content works as expected.
The problem is your SwipeRefreshLayout is inside the Toolbar and AppBarLayout. You must wrap AppBarLayout with another layout and put SwipeRefreshLayout below the AppBarLayout. An example is at the below.
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:tools="http://schemas.android.com/tools"
android:fitsSystemWindows="true"
tools:context="com.vsahin.moneycim.View.MainActivity">
<android.support.design.widget.AppBarLayout
android:id="#+id/app_bar_layout"
android:layout_width="match_parent"
android:layout_height="250dp"
android:theme="#style/ThemeOverlay.AppCompat.Dark"
android:fitsSystemWindows="true"
app:expanded="false">
<android.support.design.widget.CollapsingToolbarLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:contentScrim="?attr/colorPrimary"
android:fitsSystemWindows="true"
android:background="#drawable/gradient_background">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin"
app:layout_scrollFlags="scroll|enterAlways" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.SwipeRefreshLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
</android.support.v4.widget.SwipeRefreshLayout>
</android.support.design.widget.CoordinatorLayout>
if your SwipeRefreshLayout height is wrapping the content of your child_layout, then your child_layoutheight should be set to match_parent OR both SwipeRefreshLayout and child_layout height should be set to match_parent as shown in the Android Documentation
<android.support.v4.widget.SwipeRefreshLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/swiperefresh"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!--Child View-->
<ListView
android:id="#android:id/list"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</android.support.v4.widget.SwipeRefreshLayout>
SwipeRefreshLayout is a transparent View, so best solution to set it match_parent it will not conflict with other Views and don't include View or Layout within it, keep it clean
<android.support.v4.widget.SwipeRefreshLayout
android:id="#+id/swipe_refresh_layout"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.design.widget.AppBarLayout
android:id="#+id/app_bar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:elevation="0dp">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
app:layout_collapseMode="pin">
<include layout="#layout/child_layout" />
</android.support.v7.widget.Toolbar>
</android.support.design.widget.AppBarLayout>
SwipeRefreshLayout has to be in top to overlay other layers and be clickable
I want to hide the ActionBar on ListView scroll.
The official documentation suggests we use this pattern to do so:
<android.support.design.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<! -- Your Scrollable View -->
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior" />
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
...
app:layout_scrollFlags="scroll|enterAlways">
</android.support.design.widget.AppBarLayout>
</android.support.design.widget.CoordinatorLayout>
I can't, however, use this pattern since my "Scrollable view" is a ListView inside a Fragment that is rendered inside the ViewPager. I use the following code in my app:
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context="com.x.y.MainActivity">
<android.support.design.widget.AppBarLayout
android:id="#+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="#dimen/appbar_padding_top"
android:theme="#style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="48dp"
android:background="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="#style/AppTheme.PopupOverlay">
</android.support.v7.widget.Toolbar>
<android.support.design.widget.TabLayout
style="#style/AppTabLayout"
android:id="#+id/tabs"
app:tabTextAppearance="#style/AppTabTextAppearance"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="#+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior" />
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="end|bottom"
android:layout_margin="#dimen/fab_margin"
android:src="#mipmap/ic_add_white_24dp" />
</android.support.design.widget.CoordinatorLayout>
I've tried putting the ViewPager inside the AppBarLayout, and the Toolbar and TabLayout in a CollapsibleToolbarLayout. However, if I do that, the ViewPager layout isn't even shown and the ActionBar is permanently hidden.
What do I do?
CoordinatorLayout doesn't work with listview. So either replace the listview with a recyclerview (which i would highly recommend) or put your listview inside a NestedScrollView. The xml code you posted is ok. If any of these is not working then post your fragment's xml code and hit me up again
I have a toolbar that scroll with the content in my app. When I perform an action, I want the toolbar to show always.
So I start with:
appBarLayoutParms.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL);
If I scroll on the view, the toolbar hides, it works fine. Then, I perform the action when the toolbar is hidden. I do:
appBarLayoutParms.setScrollFlags(0);
After that the toolbar doesn't appear, it remains hidden.
I want to be able to disable the scroll behaviour any time and show the toolbar, and turn it on again after that.
This is my xml file:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
...>
<android.support.design.widget.CoordinatorLayout
android:id="#+id/coordinator"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="#+id/bottom_bar"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="#+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.v7.widget.Toolbar
...
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:layout_alignParentTop="true"
app:layout_scrollFlags="scroll|enterAlways"/>
</android.support.design.widget.AppBarLayout>
<NestedScrollView
android:id="#+id/nested"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="0"
android:fillViewport="true"
android:scrollbars="vertical"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<FrameLayout
android:id="#+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
I am new to android , in my application am using navigation drawer activity (Materail Design) and have a webview in a Fragment . The Navigation loads webview without any problem . But i cannot scroll the webview vertically , i can do horizontally .I can see the vertial scroll bar on horzontal scroll , but not functional.
Here is the Fragment XML code
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/colorDefaultGray"
tools:context="com.cell.cell.fragments.MainWebViewFragmant">
<WebView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/webViewMainWebview"
/>
<ProgressBar
style="?android:attr/progressBarStyleLarge"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/progressBar"
android:layout_gravity="center" />
</FrameLayout>
app_bar_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context="com.cell.cell.MainActivity">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:theme="#style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="#style/AppTheme.PopupOverlay" />
<FrameLayout
android:id="#+id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent"></FrameLayout>
</android.support.design.widget.AppBarLayout>
<!--<include layout="#layout/content_main" />-->
</android.support.design.widget.CoordinatorLayout>
I tried different solution , such as NestedWebView and tried to put the webview tag inside NestedScrollview ,but no luck.
Please provide a solution for this
Thanks in advance
You are accidentally wrapping your FrameLayout in your AppBarLayout, move your FrameLayout underneath the AppBarLayout.
So what is happening is the AppBarLayout is taking your scroll event instead of the WebView.
<android.support.design.widget.CoordinatorLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context="com.cell.cell.MainActivity">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="#style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<!-- Move your FrameLayout outside the AppBarLayout -->
<FrameLayout
android:id="#+id/fragment_container"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</android.support.design.widget.CoordinatorLayout>
This is my layout file
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="#+id/drawerLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.moskart.mosfake.activity.MainActivity">
<android.support.design.widget.CoordinatorLayout
android:id="#+id/coordinatorLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:minHeight="?attr/actionBarSize"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
>
<android.support.v7.widget.Toolbar xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:local="http://schemas.android.com/apk/res-auto"
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:minHeight="?attr/actionBarSize"
android:background="?attr/colorPrimary"
local:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"
local:popupTheme="#style/ThemeOverlay.AppCompat.Light"
app:layout_collapseMode="pin"
/>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
>
<FrameLayout
android:id="#+id/fragment_placeholder"
android:layout_width="match_parent"
android:layout_height="match_parent">
</FrameLayout>
<View
android:layout_width="match_parent"
android:layout_height="5dp"
android:background="#drawable/toolbar_dropshadow" />
</FrameLayout>
</android.support.design.widget.CoordinatorLayout>
<android.support.design.widget.NavigationView
android:id="#+id/navigation"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:headerLayout="#layout/navigation_drawer_header"
app:itemIconTint="#color/navItemIconTintColor"
app:itemTextColor="#color/navItemTextColor"
app:menu="#menu/menu_navigation_drawer" />
</android.support.v4.widget.DrawerLayout>
I set app:layout_scrollFlags for my CollapsingToolbarLayout to scroll|enterAlways and expected that toolbar will work like in gapps (e.g. Google Play or Google Magazine) with auto-hide/show like on this sample:
Google Magazine
But I only got scrolling toolbar that does not retract automatically, but only if user completely scrolled it himself. See sample: my app
Here is my fragment with recyclerview, which I replace with fragment_placeholder
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.moskart.mosfake.fragment.CategorySelectionFragment"
>
<android.support.v7.widget.RecyclerView
android:id="#+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingLeft="#dimen/card_horizontal_margin"
android:paddingRight="#dimen/card_horizontal_margin"
/>
</LinearLayout>
Thanks for advice!
You should measure if the bottom and top offset of the AppBarLayout is offset for more than the half the the height of the AppBarLayout and user has released the scroll. When this condition is fulfilled just start animating the translationY of the Toolbar or the offsetting of the AppBarLayout.
This could be achieved with custom CoordinatorLayout.Behavor or with inheriting existing AppBarLayout.Behaviour and tweaking it to do so.
i think you want to do like this
take a look of this library
https://github.com/ksoichiro/Android-ObservableScrollView
here is the example about how to implement it
https://snow.dog/blog/material-design-flexible-space-header-with-image/
You need to use NestedScrollView
<android.support.v4.widget.NestedScrollView ...>
<LinearLayout ...>
//Your Code Here
</LinearLayout>
Check this Example