First item in RecyclerView does not go under status bar

First item in RecyclerView does not go under status bar - android

I have the following layout:
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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:fitsSystemWindows="true"
tools:context="com.skillberg.weather.ui.activity.MainActivity">
<android.support.v7.widget.RecyclerView
android:id="#+id/weather_rv"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/white"
android:fitsSystemWindows="true" />
</android.support.design.widget.CoordinatorLayout>
And style:
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#color/colorPrimary</item>
<item name="colorPrimaryDark">#color/colorPrimaryDark</item>
<item name="colorAccent">#color/colorAccent</item>
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="windowActionBarOverlay">true</item>
<item name="android:statusBarColor">#android:color/transparent</item>
</style>
I want the first item in RecyclerView to be displayed under the status bar (like toolbar), but it's not being displayed there:
However, RecyclerView itself draws under status bar, but it seems that there is some top padding which height = status bar height:
How to fix it?

Expand your AppTheme with windowTranslucentStatus e.g.
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="android:windowTranslucentStatus">true</item>
// other stuff
</style>
This will allow the StatusBar to be transparent. You don't need to use android:fitsSystemWindows.

In you CoordinatorLayout change this android:fitsSystemWindows="true" to false

You're missing the behavior that works in pair with the CoordinatorLayout.
Simply add it to your RecyclerView as follow :
<android.support.v7.widget.RecyclerView
android:id="#+id/weather_rv"
app:layout_behavior="android.support.design.widget.AppBarLayout$ScrollingViewBehavior"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/white"
android:fitsSystemWindows="true" />

Related

How to remove shadow from Appbar and add shadow to the TabLayout

I have the following simple app with 3 tabs:
I want to remove the shadow from the appbar and add shadow to the tablayout.
I tried multiple things such as android:elevation or adding <item name="elevation">0dp</item> to the AppTheme, or using <item name="android:windowContentOverlay">#null</item>. Nothing works. I keep having a shadow under the app bar (where is says My App) and no shadow is added under
the tabs (Where is says PAGE 1, PAGE2, PAGE3).
These are my xml files:
style.xml:
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Base.Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="elevation">0dp</item>
<item name="colorPrimary">#color/colorPrimary</item>
<item name="colorPrimaryDark">#color/colorPrimaryDark</item>
<item name="colorAccent">#color/colorAccent</item>
</style>
<!-- Style for a tab that displays a category name -->
<style name="CategoryTab" parent="Widget.Design.TabLayout">
<item name="tabIndicatorColor">#android:color/white</item>
<item name="tabSelectedTextColor">#android:color/holo_purple</item>
<item name="tabTextAppearance">#style/CategoryTabTextAppearance</item>
</style>
<!-- Text appearance style for a category tab -->
<style name="CategoryTabTextAppearance" parent="TextAppearance.Design.Tab">
<item name="android:textColor">#000000</item>
</style>
</resources>
this is the activity_main.xml:
<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:background="#color/primary_color"
android:orientation="vertical"
tools:context="com.example.barebones.barebones.MainActivity">
<android.support.design.widget.TabLayout
android:id="#+id/tabs"
style="#style/CategoryTab"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:elevation="15dp"/>
<android.support.v4.view.ViewPager
android:id="#+id/viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:elevation="10dp"/>
<TextView
android:id="#+id/textView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="TextView" />
</LinearLayout>

add Elevation in AppBarLayout like below
getSupportActionBar().setElevation(0);
Adding shadow to your tablayout just add elevation to your Tablayout. and also for info read
Material-Design.
android:background="?attr/colorPrimary"
android:elevation="15dp"

just need to add
'android:background="#null"' in XML file

Toolbar going underneath status bar both in Activity and Fragment android

I want to achieve a transparent status bar in pre lollipop and above lollipop as well. My minimumSdkLevel is 19. I have tried the following method to achieve transparent statusbar. But the toolbar is going underneath statusbar.
Here is the screenshot (This is a Full screen Fragment with Toolbar on it):
Layout of the above screenshot:
<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView 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:clickable="true"
app:cardCornerRadius="3dp"
android:fitsSystemWindows="true"
app:cardElevation="3dp">
<RelativeLayout
android:id="#+id/gamesLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.design.widget.AppBarLayout
android:id="#+id/toolbarLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="#+id/gameToolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="#style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#+id/toolbarLayout">
<ImageView
android:layout_width="200dp"
android:layout_height="200dp"
android:adjustViewBounds="true"
android:alpha="0.3"
android:scaleType="fitXY"
android:src="#drawable/background_img" />
<ImageView
android:layout_width="200dp"
android:layout_height="200dp"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:adjustViewBounds="true"
android:alpha="0.3"
android:rotation="180"
android:scaleType="fitXY"
android:src="#drawable/background_img" />
<android.support.v7.widget.RecyclerView
android:id="#+id/gameList"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="10dp" />
</RelativeLayout>
</RelativeLayout>
</android.support.v7.widget.CardView>
Here is my styles.xml:
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.NoActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#color/colorPrimary</item>
<item name="colorPrimaryDark">#color/colorPrimaryDark</item>
<item name="colorAccent">#color/colorAccent</item>
<item name="android:colorBackgroundCacheHint">#null</item>
<item name="android:windowTranslucentStatus">true</item>
<item name="android:windowTranslucentNavigation">true</item>
<item name="android:windowAnimationStyle">#android:style/Animation</item>
</style>
Here is my v21/styles.xml :
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="android:colorPrimary">#color/colorPrimary</item>
<item name="android:colorPrimaryDark">#color/colorPrimaryDark</item>
<item name="android:colorAccent">#color/colorAccent</item>
<item name="android:windowContentTransitions">true</item>
<item name="android:windowTranslucentStatus">true</item>
<item name="android:windowDrawsSystemBarBackgrounds">true</item>
<item name="android:windowTranslucentNavigation">true</item>
</style>
I have even added android:fitsSystemWindows="true" to the root layout of the Activities and Fragments.
I have added this below code as well in the Activities and Fragments:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
Window window = getWindow();
window.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
}
Why I am not getting transparent Statusbar and why Toolbar is going underneath Statusbar?

in default style.xml
<!-- Base application theme. -->
<style name="BGTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#color/colorPrimary</item>
<item name="colorAccent">#color/colorAccent</item>
<item name="colorPrimaryDark">#color/colorPrimaryDark</item>
</style>
<style name="BGTheme.ActionBar.Transparent" parent="BGTheme">
<item name="android:windowContentOverlay">#null</item>
<item name="windowActionBarOverlay">true</item>
<item name="windowActionBar">false</item>
<item name="colorPrimary">#android:color/transparent</item>
<item name="android:textColorSecondary">#color/white</item>
</style>
<style name="BGTheme.ActionBar.Transparent.AppBarOverlay"
parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
<style name="BGTheme.ActionBar.Transparent.PopupOverlay"
parent="ThemeOverlay.AppCompat.Light" />
and in your v-21 style.xml
<style name="BGTheme.ActionBar.Transparent" parent="BGTheme">
<item name="colorPrimary">#android:color/transparent</item>
</style>
Note: Add this in your root layout android:fitsSystemWindows="true"

remove if statment
not work below 21
getWindow().setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);

add flowing lines in your 'style.xml'
<item name="android:windowContentOverlay">#null</item>
<item name="windowActionBarOverlay">true</item>
<item name="windowActionBar">false</item>
<item name="colorPrimary">#android:color/transparent</item>

EDIT:
try Using the following Line in your Base View.
android:fitsSystemWindows="true"
as it is mention also
android:fitsSystemWindows is an
internal attribute to adjust view layout based on system windows such
as the status bar. If true, adjusts the padding of this view to leave
space for the system windows. Will only take effect if this view is in
a non-embedded activity.
Must be a boolean value, either "true" or "false".
This may also be a reference to a resource (in the form
"#[package:]type:name") or theme attribute (in the form
"?[package:][type:]name") containing a value of this type.
This corresponds to the global attribute resource symbol
fitsSystemWindows.
You can also use it globally by using the below line in your theme
<item name="android:fitsSystemWindows">true</item>
I hope it helps. It works in my Project.

How to make my apps statusbar look like google maps?

Does anyone know how to make statusbar look like google maps?
I manage to get transparent status for my drawer layout
using android:fitsSystemWindows="true" and
<item name="android:statusBarColor">#android:color/transparent</item>
<item name="android:navigationBarColor">#android:color/transparent</item>
layout -> activity_main.xml
<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_parent"
android:fitsSystemWindows="true">...
<android.support.design.widget.NavigationView
android:id="#+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:headerLayout="#layout/nav_main_header" />
</android.support.v4.widget.DrawerLayout>
values-v21 -> styles.xml
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<item name="android:statusBarColor">#android:color/transparent</item>
<item name="android:navigationBarColor">#android:color/transparent</item>
</style>
Thanks.

You may do it using themes:
<style name="AppTheme" parent="Theme.AppCompat.Light">
<item name="android:windowTranslucentStatus">true</item>
<item name="android:windowTranslucentNavigation">true</item>
</style>
Or programmatically:
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
For more information you may read:
https://developer.android.com/about/versions/android-4.4.html#UI
https://developer.android.com/reference/android/view/WindowManager.LayoutParams.html#FLAG_TRANSLUCENT_NAVIGATION

Android: How to remove line between Toolbar and Statusbar

I am interested in having a uniform coloured toolbar and status bar. If I provide colorPrimary and colorPrimaryDark as the same colour this should be possible. I am getting the desired result using ActionBar but not with Toolbar. I will also be creating a navigation view so i need the status bar as transparent.
Code : Styles-v21
<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="android:windowDrawsSystemBarBackgrounds">true</item>
<item name="android:statusBarColor">#android:color/transparent</item>
</style>
Code : Styles
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#color/colorPrimary</item>
<item name="colorPrimaryDark">#color/colorPrimary</item>
<item name="colorAccent">#color/colorAccent</item>
</style>
<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
<style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar"/>
<style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>
</resources>
Steps to reproduce :
Create a new project in android studio with Navigation Drawer Activity
Set primary and primaryDark as same colours
Run on device or emulator

The only solution I could come up with was to remove android:fitsSystemWindows="True" from Coordinator Layout
edit : Another solution is to wrap coordinator layout in another coordinator layout.
<?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">
<android.support.design.widget.CoordinatorLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/AppTheme.AppBarOverlay"
app:layout_scrollFlags="scroll|enterAlways">
<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>
<include
layout="#layout/content_main"
app:layout_behavior="#string/appbar_scrolling_view_behavior"/>
</android.support.design.widget.CoordinatorLayout>
</android.support.design.widget.CoordinatorLayout>
Before
After

This shadow you are seeing is window content overlay, you could remove it:
Please add this line to your theme specification:
<item name="android:windowContentOverlay">#null</item>

Status bar turns white and does not show content behind it

I am trying out AppCompat on Marshmallow. And I want to have a transparent status bar however it turns white. I've tried a couple solutions but they didn't work for me (Transparent status bar not working with windowTranslucentNavigation="false", Lollipop : draw behind statusBar with its color set to transparent). Here's related code.
My styles.xml
<style name="Bacon" parent="Theme.Bacon"/>
<style name="Theme.Bacon" parent="Theme.AppCompat.Light.NoActionBar">
<item name="colorPrimary">#color/theme_primary</item>
<item name="colorPrimaryDark">#color/theme_primary_dark</item>
<item name="colorAccent">#color/theme_accent</item>
<item name="windowActionBar">false</item>
<item name="windowActionBarOverlay">true</item>
<item name="windowNoTitle">true</item>
<item name="android:windowBackground">#color/background_material_light</item>
</style>
<style name="Theme.Bacon.Detail" parent="Bacon"/>
v21
<style name="Bacon" parent="Theme.Bacon">
<item name="android:windowDrawsSystemBarBackgrounds">true</item>
</style>
<style name="Theme.Bacon.Detail" parent="Bacon">
<item name="android:statusBarColor">#android:color/transparent</item>
</style>
Activity
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<android.support.v4.view.ViewPager
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true" />
</FrameLayout>
Fragment
<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"
android:fitsSystemWindows="true">
<android.support.design.widget.AppBarLayout
android:id="#+id/appbar"
android:layout_width="match_parent"
android:layout_height="192dp"
android:fitsSystemWindows="true"
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:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginBottom="32dp"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:statusBarScrim="#color/black_trans80">
<ImageView
android:id="#+id/photo"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:contentDescription="#string/photo"
android:fitsSystemWindows="true"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax" />
<android.support.v7.widget.Toolbar
android:id="#+id/anim_toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>

I found the answer in this link:Status Bar Color not changing with Relative Layout as root element
So it turns out we need remove the
<item name="android:statusBarColor">#android:color/transparent</item>
in styles.xml(v21). And it works just fine for me.

(A little late to the party but it might help someone)
I had the exact same problem. Somehow, some activities were normal while new ones I created were showing white status bar instead of colorPrimaryDark value.
After trying several tips, I noticed that the normal-working activities where all using CoordinatorLayout as the root of the layout, while for the others I had replaced it by regular layouts because I didn't need the features (animation, etc) provided by CoordinatorLayout.
So the solution is to make CoordinatorLayout the root layout, and then inside of it add your former layout root. Here is an example:
<?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"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<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>
<!-- your activity content here-->
</LinearLayout>
</android.support.design.widget.CoordinatorLayout>
PLEASE NOTE that without android:fitsSystemWindows="true" this solution doesn't work for me.
Tested on Lollipop and Marshmallow

You have to add this property on your style to see the content
<item name="android:windowLightStatusBar" tools:ignore="NewApi">true</item>

<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="android:windowDrawsSystemBarBackgrounds">true</item>
<item name="android:statusBarColor">#color/colorPrimaryDark</item>
</style
Just Replace this , statusBarColor should be your expected color and not TRANSPARENT

Add this in your style.xml
<item name="android:windowTranslucentStatus">true</item>
<item name="android:statusBarColor">#android:color/transparent</item>
and this in your onCreate();
getWindow().getDecorView().setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);

Just put this item in your v21\styles.xml :
true
It should look like this :
<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="android:windowDrawsSystemBarBackgrounds">true</item>
<item name="android:windowTranslucentStatus">true</item>
</style>

After unsuccessfully trying all of the above I found that explicitly setting the theme fixed the issue.
setTheme(R.style.AppTheme);
That has to go before the super.OnCreate() in your activity.

I faced the same issue. What i did was, in the "v21/styles.xml" file a changed the value true:
<item name="android:windowDrawsSystemBarBackgrounds">true</item>
to:
<item name="android:windowDrawsSystemBarBackgrounds">false</item>

<item name="android:statusBarColor">#android:color/transparent</item>
You'll see that line of code in values/styles/styles.xml(v21) . Remove it and that solves the issue
Link to this answer

I fixed my issue by changing my Activity layout from FrameLayout to RelativeLayout. Thanks everybody who tried to help!
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/transparent">
<android.support.v4.view.ViewPager
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/theme_primary_dark"
android:fitsSystemWindows="true" />
</RelativeLayout>
Try hierarchy-viewer or ViewInspector. These tools might help you.

Just remove following tag from style v21
#android:color/transparent
This works for me.

I have found solution for this -
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<item name="android:windowLightStatusBar">true</item>
</style>
add this into your style and it will work for api 21 or above.

Better approach
Check your style.xml file where your NoActionBar theme is there.
Make sure its has parent as Theme.AppCompat.NoActionBar and also customize it by adding your color scheme. Finally set your themes in manifest as required.
Below is sample of my styles.xml file (ActionBar + NoActionBar).
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">#color/colorPrimary</item>
<item name="colorPrimaryDark">#color/colorPrimaryDark</item>
<item name="colorAccent">#color/colorAccent</item>
</style>
<!-- No ActionBar application theme. -->
<style name="AppTheme.NoActionBar" parent="Theme.AppCompat.NoActionBar">
<item name="colorPrimary">#color/colorPrimary</item>
<item name="colorPrimaryDark">#color/colorPrimaryDark</item>
<item name="colorAccent">#color/colorAccent</item>
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>

For styles v23
<style name="MyTheme" parent="Theme.AppCompat.Light.NoActionBar">
<item name="android:windowLightStatusBar">true</item>
<item name="android:statusBarColor">#android:color/white</item>
</style>
For styles v21
<style name="MyTheme" parent="Theme.AppCompat.Light.NoActionBar">
<item name="android:windowTranslucentStatus">true</item>
<item name="android:statusBarColor">#android:color/white</item>
</style>

If your v21/styles.xml contain
<resources>
<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="android:statusBarColor">#android:color/transparent</item>
</style>
</resources>
Then,
Remove or comment below line or change colour of status bar,
<item name="android:statusBarColor">#android:color/transparent</item>
Its working fine. Hope this is helpful. Thanks.

For me it worked by doing the following :
Set the theme .NoActionBar
Wrap the Toolbar in android.support.design.widget.AppBarLayout
Make android.support.design.widget.CoordinatorLayout as the parent layout.
Essentially it is the third step that draws the status bar in the colorPrimaryDark otherwise it is not drawn if you using NoActionBar theme.
2nd step will give your toolbar that overlay.

[
Expand res -> values -> styles directory from project panel.
Open styles.xml (v21)
USE ANY ONE FROM BELOW WAYS
Change true to false in android:windowDrawsSystemBarBackgrounds property.
Change #android:color/transparent to #color/colorPrimaryDark in android:statusBarColor property.
Remove the android:statusBarColor propert line.

I'm not sure if it's late but i hope it helps someone.
* Make a fake view with transparent background that fits the layout, and make a coordinatorlayout as your root layout element.
<View
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/transparent"
android:fitsSystemWindows="true" />
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
android:scaleType="centerCrop"
android:src="#drawable/something" />
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
.... YOUR LAYOUT

you want this right?
try this. in [value] - [style.xml]
<style name="AppTheme" parent="Theme.AppCompat.DayNight.DarkActionBar">
<item name="android:windowLightStatusBar">true</item>
</style>
you know, don't match apptheme - parent
good luck

Inside onCreate add the following:
getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
getWindow().setStatusBarColor(Color.WHITE);
and below
setContentView(R.layout.activity_main);

My guess is that this is caused by your android:windowBackground. Is #color/background_material_light a reference to white?

Check this
Toolbar turns white - AppBar isn't drawn after being scrolled off screen
https://code.google.com/p/android/issues/detail?id=178037#c19
I'm using libraries 23.0.0. and the bug still occurs.
Workaround for this is adding View that takes nearly no space and can be invisible. See the structure below.
<android.support.v4.widget.NestedScrollView
app:layout_behavior="#string/appbar_scrolling_view_behavior">
</android.support.v4.widget.NestedScrollView>
<android.support.design.widget.AppBarLayout>
<android.support.v7.widget.Toolbar
app:layout_scrollFlags="scroll|enterAlways" />
<android.support.design.widget.TabLayout
app:layout_scrollFlags="scroll|enterAlways" />
<View
android:layout_width="match_parent"
android:layout_height=".3dp"
android:visibility="visible"/>
</android.support.design.widget.AppBarLayout>
This Questions on Stackoverflow.com refer to this bug too:
CoordinatorLayout Toolbar invisible on enter until full height
AppBarLayout - Layout sometimes invisible once it enters view (even if it's not entered)

If you are using RelativeLayout / CoordinatorLayout this is the solution that worked for me:
You have to use
CoordinatorLayout
AppBarLayout
Rember to use CoordinatorLayout instead of RelativeLayout (the performance is better and perfectly works with AppBarLayout)
This is how your fragment should starts
<?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"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#android:color/background_light"
android:fitsSystemWindows="true"
>
<android.support.design.widget.AppBarLayout
android:id="#+id/main.appbar"
android:layout_width="match_parent"
android:layout_height="300dp"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"
android:fitsSystemWindows="true"
>
...
Good coding!

<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="android:windowTranslucentStatus">true</item>
<item name="android:statusBarColor">#android:color/transparent</item>
</style>
add the 'windowTranslucentStatus' item in styles

Add this in your style.xml
<item name="android:windowTranslucentStatus">true</item>
<item name="android:statusBarColor">#android:color/transparent</item>
Note : Status bar coloring is not supported below API level 21.

Window window = this.getWindow();
window.setStatusBarColor(this.getResources().getColor(R.color.colorPrimaryDark));
Add this 2 line in java file below

Develop Reference

The Android operating system is a mobile operating system that was developed by Google (GOOGL?) to be primarily used for touchscreen devices, cell phones, and tablets.

First item in RecyclerView does not go under status bar - android

In you CoordinatorLayout change this android:fitsSystemWindows="true" to false

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