We Keep Coding

TextView not positioning under ImagevVew in `CoordinatorLayout`

I am developing android news app. and in my list, I have implemented image and TextView however I cant put TextView below ImageView. I have Googled it did not found useful info.
Below my CoordinatorLayout example:
<?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"
android:layout_gravity="center">
<LinearLayout
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="wrap_content"/>
<ImageView
android:id="#+id/articleImage"
android:layout_width="400dp"
android:layout_height="185dp" />
<TextView
android:id="#id/articleAuthor"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="#string/article_author"/>
</android.support.design.widget.CoordinatorLayout>

Please have a look at the code over here -> https://www.androidauthority.com/using-coordinatorlayout-android-apps-703720/.
<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.sample.foo.usingcoordinatorlayout.FabAndSnackbarActivity">
<android.support.design.widget.AppBarLayout
android:id="#+id/appBar"
android:layout_width="match_parent"
android:layout_height="300dp"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"
android:fitsSystemWindows="true">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/collapsingToolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginStart="48dp"
app:expandedTitleMarginEnd="64dp"
app:title="#string/collapsing_toolbar">
<ImageView
android:id="#+id/toolbarImage"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:fitsSystemWindows="true"
android:src="#drawable/bg"
app:layout_collapseMode="parallax" />
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light"
app:layout_collapseMode="pin" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="28sp"
android:lineSpacingExtra="8dp"
android:text="#string/long_latin"
android:padding="#dimen/activity_horizontal_margin" />
</android.support.v4.widget.NestedScrollView>
<android.support.design.widget.FloatingActionButton
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_margin="#dimen/activity_horizontal_margin"
android:src="#drawable/mascot_icon"
app:layout_anchor="#id/appBar"
app:layout_anchorGravity="bottom|end" />
</android.support.design.widget.CoordinatorLayout>

You have two issues with your XML.
There is an extra LinearLayout tag that is never closed, so this shouldn't even build. You shouldn't need this and should be able to delete it.
If you want the TextView below the ImageView you need to set constraints on the TextView so it does just that.
So at minimum, you need something like this:
<?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" // <- App namespace
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center">
<ImageView
android:id="#+id/articleImage"
android:layout_width="400dp"
android:layout_height="185dp" />
<TextView
android:id="#id/articleAuthor"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="#string/article_author"
app:layout_constraintTop_toBottomOf="#+id/articleImage" /> // <- Constraint
</android.support.design.widget.CoordinatorLayout>
I strongly recommend reviewing the ConstraintLayout documentation:
https://developer.android.com/training/constraint-layout
https://developer.android.com/reference/android/support/constraint/ConstraintLayout
Hope that helps!
https://codelabs.developers.google.com/codelabs/constraint-layout/index.html#0

The layout maybe like this
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout
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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".view.club.detail.ActivityTopicDetail"
>
<com.google.android.material.appbar.AppBarLayout
android:id="#+id/cus_appbar_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/white"
android:theme="#style/AppTheme.AppBarOverlay"
>
<com.google.android.material.appbar.CollapsingToolbarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:contentScrim="?attr/colorPrimary"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
>
<ImageView
android:id="#+id/articleImage"
android:layout_width="400dp"
android:layout_height="185dp" />
</com.google.android.material.appbar.CollapsingToolbarLayout>
</com.google.android.material.appbar.AppBarLayout>
<TextView
android:id="#id/articleAuthor"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="#string/article_author"
app:layout_behavior="#string/appbar_scrolling_view_behavior"/>
</androidx.coordinatorlayout.widget.CoordinatorLayout>

Add ScrollView after CollapsingToolBar not working

In my CountryActivityInfo.java I have a collapsing toolbar with both width and height set to match-parent so it can occupy the whole phone screen. When I scroll up the toolbar gets a fixed 200dp height.
Right now, it looks like this:
I want to display, in that white screen that appears when the toolbar is collapsed, a vertical scroll view with a text view inside. How can I do that? I've tried this way:
<android.support.design.widget.AppBarLayout
android:id="#+id/testeparainfo"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="?attr/actionBarDivider">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/backgroundcollapsedtoolbarinfo"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="exitUntilCollapsed|scroll">
<ImageView
android:id="#+id/imgCountryInfoFoto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop" />
<ImageView
android:id="#+id/imgCountryInfoEscuro"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:adjustViewBounds="true"
android:background="#drawable/background_pais_info"
android:scaleType="centerInside" />
<android.support.v7.widget.Toolbar
android:id="#+id/toolbaridinfo"
android:layout_width="match_parent"
android:layout_height="200dp"
app:layout_collapseMode="pin"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light">
</android.support.v7.widget.Toolbar>
<TextView
android:id="#+id/txtNomePaisInfo"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_marginStart="30dp"
android:layout_marginTop="520dp"
android:paddingBottom="10dp"
android:text="TextView"
android:textColor="#android:color/background_light"
android:textSize="35sp"
app:layout_anchor="#+id/testeparainfo"
app:layout_anchorGravity="left|bottom" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<ScrollView
android:layout_width="match_parent"
android:layout_gravity="bottom"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/txtInfoPais"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignStart="#+id/btnArrowBackWhite"
android:layout_marginBottom="111dp"
android:text="TextView"
android:textColor="#android:color/background_light"
android:textSize="15sp"
android:visibility="invisible"
app:layout_anchor="#+id/imgCountryInfoFoto"
app:layout_anchorGravity="bottom|center" />
</LinearLayout>
</ScrollView>
But, when I do this, the text view gets inside the collapsing toolbar and gets collapsed with the toolbar.
By the way, all the XML is wrapped up in a Coordinator Layout!!!

Change the root to CoordinatorLayout
<?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.AppBarLayout
android:id="#+id/app_bar"
android:layout_width="match_parent"
android:layout_height="#dimen/app_bar_height"
android:fitsSystemWindows="true"
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="true"
app:contentScrim="?attr/colorPrimary"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin"
app:popupTheme="#style/AppTheme.PopupOverlay" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<include layout="#layout/content_scrolling" />
</android.support.design.widget.CoordinatorLayout>
and then in content_scrolling.xml use NestedScrollView and app:layout_behavior="#string/appbar_scrolling_view_behavior" use this property for proper behaviour.
<android.support.v4.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
xmlns:tools="http://schemas.android.com/tools"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
...
</android.support.v4.widget.NestedScrollView>

Add app:layout_behavior="#string/appbar_scrolling_view_behavior" inside your ScrollView.

Replace this code
you have to add app:layout_behavior="#string/appbar_scrolling_view_behavior" in your ScrollView.
<ScrollView
android:layout_width="match_parent"
android:layout_gravity="bottom"
android:layout_height="wrap_content"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<TextView
android:id="#+id/txtInfoPais"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignStart="#+id/btnArrowBackWhite"
android:layout_marginBottom="111dp"
android:text="TextView"
android:textColor="#android:color/background_light"
android:textSize="15sp"
android:visibility="invisible"
app:layout_anchor="#+id/imgCountryInfoFoto"
app:layout_anchorGravity="bottom|center" />
</LinearLayout>
</ScrollView>

ViewPager in RelativeLayout consumes full Height (Tabs)

I am working with AndroidStudio 3.0 and I am creating a TabbedActivity with Fragments using Java.
For realizing the following design:
sketch
i sourrounded the ViewPager with a RelativeLayout in order to display a static content object (TextView) below the ViewPager. For this I am using the attribute
android:layout_below="#id/container"
Unfortunately, the TextView never gets shown.
By fuzzling around i realized, that when setting the
android:layout_height="100dp"
of the ViewPager to a fixed value it will be displayed.
As I am a beginner to Android I am unsure how to handle this issue. Is it not possible to use the layout_below attribute when working with ViewPagers? Or do i have to set a fixed value for them?
Is there another solution to achieve what i want - simply showing a static content below a 'TabControl'?
Here is my complete XML code:
<?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=".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="?attr/actionBarSize"
android:layout_weight="1"
android:background="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="#style/AppTheme.PopupOverlay"
app:title="#string/app_name">
</android.support.v7.widget.Toolbar>
<android.support.design.widget.TabLayout
android:id="#+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.design.widget.TabItem
android:id="#+id/tabItem"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/tab_text_1" />
<android.support.design.widget.TabItem
android:id="#+id/tabItem2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/tab_text_2" />
<android.support.design.widget.TabItem
android:id="#+id/tabItem3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/tab_text_3" />
</android.support.design.widget.TabLayout>
</android.support.design.widget.AppBarLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<android.support.v4.view.ViewPager
android:id="#+id/container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_behavior="#string/appbar_scrolling_view_behavior" >
</android.support.v4.view.ViewPager>
<TextView
android:id="#+id/static_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="This is the Textiew that is not shown!"
android:layout_below="#id/container"
/>
</RelativeLayout>
</android.support.design.widget.CoordinatorLayout>
Thank You very much!

Change this part of your code:
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<android.support.v4.view.ViewPager
android:id="#+id/container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_behavior="#string/appbar_scrolling_view_behavior" >
</android.support.v4.view.ViewPager>
<TextView
android:id="#+id/static_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="This is the Textiew that is not shown!"
android:layout_below="#id/container"
/>
</RelativeLayout>
I would replace this with a vertical LinearLayout. This allows you to give some space to the TextView and then give the rest of the space to the ViewPager, which a RelativeLayout won't allow.
<LinearLayout
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:orientation="vertical"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<android.support.v4.view.ViewPager
android:id="#+id/container"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
</android.support.v4.view.ViewPager>
<TextView
android:id="#+id/static_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="This is the Textiew that is not shown!"/>
</LinearLayout>

Hide search bar when listview scrolling

how to add the search bar in the listView to hide it when Scrolling?
Here my code xml:
<LinearLayout 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:orientation="vertical">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="50dp">
<SearchView
android:id="#+id/maBtnSearch"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:iconifiedByDefault="false"
android:queryHint="Search User" />
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/listView">
</ListView>
</LinearLayout>
This is my complete layout code above, thank you for helping me

Try this. Here searchview is put on toolbar. Change code according to your usage.
<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/coordinator"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v4.view.ViewPager
android:background="#drawable/back"
android:id="#+id/pager_sessions"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
</android.support.v4.view.ViewPager>
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:id="#+id/search_edit_frame"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar_sessions"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="scroll|enterAlways">
<android.support.v7.widget.SearchView
android:id="#+id/search_item"
android:layout_gravity="right"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</android.support.v7.widget.SearchView>
</android.support.v7.widget.Toolbar>
<android.support.design.widget.TabLayout
app:layout_scrollFlags="scroll|enterAlways"
android:id="#+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:tabIndicatorColor="#android:color/background_light"
app:tabSelectedTextColor="#android:color/background_light"
app:tabTextColor="#android:color/background_light">
</android.support.design.widget.TabLayout>
</android.support.design.widget.AppBarLayout>
</android.support.design.widget.CoordinatorLayout>

Fragment going over ActionBar in ViewPager

I am using viewpager to show different fragments but in this one of fragment replaces the actionbar. Till now I have found that it is because of edittext which I am using for searching items. When I remove edittext from this it works fine.
The main activity layout is a CoordinatorLayout, containing the typical AppBarLayout and then a ViewPager and it is filling whole screen.
fragment_gst_rates.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"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
android:padding="5dp"
tools:context="com.kamalarora.mygst.FragmentGstRates">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:id="#+id/linearLayout">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<EditText
android:id="#+id/searchBox"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Search items . . ."
android:layout_marginTop="5dp"
android:layout_marginBottom="2dp"
android:drawableRight="#android:drawable/ic_menu_search"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:background="#color/lightGrey">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Products"
android:textSize="18dp"
android:layout_marginLeft="1dp"
android:padding="5dp"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="GST Rate"
android:layout_marginRight="1dp"
android:textSize="18dp"
android:gravity="right"
android:padding="3dp"/>
</LinearLayout>
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:id="#+id/listView">
</ListView>
</LinearLayout>
</LinearLayout>
activity_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:id="#+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
android:orientation="vertical"
tools:context="com.kamalarora.mygst.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="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="#style/AppTheme.PopupOverlay">
</android.support.v7.widget.Toolbar>
<View
android:id="#+id/appbar_bottom"
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#android:color/transparent"
android:visibility="invisible" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="#+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="104dp"
app:layout_behavior="#string/appbar_scrolling_view_behavior" />
<android.support.design.widget.BottomNavigationView
android:id="#+id/bottomNav"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_alignParentBottom="true"
android:layout_gravity="bottom"
app:itemBackground="#color/white"
app:itemIconTint="#color/mediumgrey"
app:itemTextColor="#color/mediumgrey"
app:menu="#menu/menu_bottom" />
<!--<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"
app:srcCompat="#android:drawable/ic_dialog_email" /> -->
</android.support.design.widget.CoordinatorLayout>

do you tried with the linear layout at the root there try change with android:layout_height="wrap_content" .