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Android: unable to hide appbar on scrolling


Android: unable to hide appbar on scrolling

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Android: unable to hide appbar on scrolling
Tag : android , By : Jason Vance
Date : January 11 2021, 05:14 PM

I hope this helps . I am trying hide appbar when scrolling but it does not work . This is the main layout: , @MikeM I changed main layout to this:
<?xml version="1.0" encoding="utf-8"?>
<layout 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"
    tools:context=".MainActivity">
    <data>
        <variable
            name="user"
            type="com.userdashboard.model.User_dash" />
    </data>
    <android.support.design.widget.CoordinatorLayout
        android:id="@+id/main_content"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <include
            android:id="@+id/content"
            layout="@layout/appbar_user_dash"
            bind:user="@{user}" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:layout_marginTop="255dp">

            <android.support.v4.widget.NestedScrollView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:layout_behavior="@string/appbar_scrolling_view_behavior">...

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Unable to hide the content when scrolling down in mobile


Tag : html , By : user122937
Date : March 29 2020, 07:55 AM
hope this fix your issue Try to keep your HTML free, you've been applying min-width and max-widths to container, please don't do that, you are restricting the html. Just keep it simple.
I guess this is what you're toking about. Please check the code below:
    html {
    /* Prevents iPhone from resizing in landscape mode */
    -webkit-text-size-adjust: none;        
}

* { 
    /* Apply a natural box layout model to all elements */
    -moz-box-sizing: border-box; 
    -webkit-box-sizing: border-box; 
    box-sizing: border-box; 
    text-decoration: none;
    margin:0;padding:0;
}


/* BODY */
body {
    font-size: 16px;                        /* Default size based on mobile */
    font-family: 'Open Sans', sans-serif;
    background-color: #1f253d;
    position:relative;    
}

/* CONTAINER */
#wrapper {position:absolute;}

/* HEADER */
header {
    background-color: #394264;
    position: fixed;
    top:20px;
    width:100%;
    opacity: .9;
}

header h1 {
    text-align: center;
    opacity: .9;
    line-height: 2em;
    color: #fff;
    font-size: .8em;
}

::-webkit-scrollbar{display: none;}

/* CONTENT */
#content{height:300px;overflow-x:hidden;position:relative;top:95px;}
#content article {
    margin-top: 10px;
    background: #394264;
    color: #FFF;
    font-size: 0.85em;
    line-height: 1.6em;
    padding: 1em;
    border-bottom: 1px solid #1F253D;
}

/* IMAGES */
figure {
    width: 100%;
}

figure img {
    max-width: 100%;
    border-bottom: 1px solid #394264;
}

figure img.centered {
    display: block;
    margin: 0 auto;
}

Appbar scrolling in android design library 22.2.1 vs 22.2.0


Tag : android , By : KingGuppy
Date : March 29 2020, 07:55 AM
it should still fix some issue Google answered me the following :
"Are RecyclerView 2 and 3 large enough to scroll? v22.2.1 will no longer scroll Views do not need to be scrolled." (Project Member #1 chrisba...@google.com)

Hide AppBar when scrolling down


Tag : android , By : semicolonth
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Actually, that design seems to be wrong.Why? let me explain that to you.
Except those xmlns:android="http://schemas.android.com/apk/res/android" which it wasn't necessary or using: android:layout_alignParentTop="true" in the LinearLayout or using that ScrollView under the contents or etc, seems like you don't have any idea what's going on.(no problem).
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:layout_scrollFlags="scroll|snap"
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.design.widget.CoordinatorLayout
        android:id="@+id/main_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <android.support.v4.widget.NestedScrollView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_behavior="@string/appbar_scrolling_view_behavior">

            <!-- Your Scrollable contents should be here - such as,
            ViewPager or etc -->

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:scrollbarSize="15sp"
                android:text="You Contents" />

        </android.support.v4.widget.NestedScrollView>

        <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.design.widget.CollapsingToolbarLayout
                android:id="@+id/collapsingtoolbarly"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:fitsSystemWindows="true"
                app:contentScrim="?attr/colorPrimary"
                app:layout_scrollFlags="scroll|snap">

                <android.support.v7.widget.Toolbar
                    android:id="@+id/my_toolbar"
                    android:layout_width="match_parent"
                    android:layout_height="?attr/actionBarSize"
                    android:elevation="4dp"
                    android:theme="@style/ThemeOverlay.AppCompat.ActionBar"
                    app:layout_collapseMode="pin"
                    app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />

                <ImageView
                    android:layout_width="match_parent"
                    android:layout_height="190dp"
                    android:minHeight="190dp"
                    android:scaleType="fitXY"
                    android:src="@drawable/header"
                    app:layout_collapseMode="parallax" />


            </android.support.design.widget.CollapsingToolbarLayout>

            <LinearLayout
                android:id="@+id/mylin"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical">

                <View
                    android:layout_width="fill_parent"
                    android:layout_height="30dp" />

                <LinearLayout
                    android:id="@+id/topLayout"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal">

                    <ImageButton
                        android:id="@+id/btn_sil"
                        android:layout_width="45dp"
                        android:layout_height="45dp"
                        android:background="@drawable/ic_arrow_drop_up_black_24dp"
                        android:gravity="center"
                        android:paddingBottom="15dp"
                        android:paddingLeft="10dp"
                        android:paddingRight="10dp"
                        android:paddingTop="0dp" />

                    <EditText
                        android:id="@+id/et_word"
                        android:layout_width="fill_parent"
                        android:layout_height="wrap_content"
                        android:background="@android:color/transparent"
                        android:ems="12"
                        android:gravity="center" />

                    <ImageButton
                        android:id="@+id/btn_getir"
                        android:layout_width="45dp"
                        android:layout_height="45dp"
                        android:background="@drawable/ic_arrow_drop_up_black_24dp"
                        android:gravity="center"
                        android:paddingBottom="15dp"
                        android:paddingLeft="10dp"
                        android:paddingRight="10dp"
                        android:paddingTop="0dp" />

                </LinearLayout>

            </LinearLayout>

        </android.support.design.widget.AppBarLayout>


    </android.support.design.widget.CoordinatorLayout>

    <!-- And finally, NavigationView -->

    <!-- <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/app_header"
          app:insetForeground="@color/app_color_primary_dark"
          app:menu="@menu/navigation_menu" /> -->

</android.support.v4.widget.DrawerLayout>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.design.widget.CoordinatorLayout
        android:id="@+id/main_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:id="@+id/mylin"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_behavior="@string/appbar_scrolling_view_behavior">

            <View
                android:layout_width="fill_parent"
                android:layout_height="30dp" />

            <LinearLayout
                android:id="@+id/topLayout"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="horizontal">

                <ImageButton
                    android:id="@+id/btn_sil"
                    android:layout_width="45dp"
                    android:layout_height="45dp"
                    android:background="@drawable/ic_arrow_drop_up_black_24dp"
                    android:gravity="center"
                    android:paddingBottom="15dp"
                    android:paddingLeft="10dp"
                    android:paddingRight="10dp"
                    android:paddingTop="0dp" />

                <EditText
                    android:id="@+id/et_word"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                    android:background="@android:color/transparent"
                    android:ems="12"
                    android:gravity="center" />

                <ImageButton
                    android:id="@+id/btn_getir"
                    android:layout_width="45dp"
                    android:layout_height="45dp"
                    android:background="@drawable/ic_arrow_drop_up_black_24dp"
                    android:gravity="center"
                    android:paddingBottom="15dp"
                    android:paddingLeft="10dp"
                    android:paddingRight="10dp"
                    android:paddingTop="0dp" />

            </LinearLayout>

        </LinearLayout>

        <android.support.v4.widget.NestedScrollView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_behavior="@string/appbar_scrolling_view_behavior">

            <!-- Your Scrollable contents should be here - such as,
            ViewPager or etc -->

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:scrollbarSize="15sp"
                android:text="You Contents" />

        </android.support.v4.widget.NestedScrollView>

        <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/my_toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:elevation="4dp"
                app:layout_scrollFlags="scroll|enterAlways"
                android:theme="@style/ThemeOverlay.AppCompat.ActionBar"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />

        </android.support.design.widget.AppBarLayout>


    </android.support.design.widget.CoordinatorLayout>

    <!-- And finally, NavigationView -->

    <!-- <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/app_header"
          app:insetForeground="@color/app_color_primary_dark"
          app:menu="@menu/navigation_menu" /> -->

</android.support.v4.widget.DrawerLayout>

AppBar Scrolling Behavior


Tag : android , By : gcomstock
Date : March 29 2020, 07:55 AM
Does that help I found solution!
We need to extend CoordinatorLayout.Behavior like this
public class BottomBarBehavior<V extends View> extends CoordinatorLayout.Behavior<V> {

    private int defaultDependencyTop = -1;

    public BottomBarBehavior(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public boolean layoutDependsOn(CoordinatorLayout parent, V child, View dependency) {
        return dependency instanceof AppBarLayout;
    }

    @Override
    public boolean onDependentViewChanged(CoordinatorLayout parent, V child, View dependency) {
        if (defaultDependencyTop == -1) {
            defaultDependencyTop = dependency.getTop();
        }
        child.setTranslationY(-dependency.getTop() + defaultDependencyTop);
        return true;
    }
}

I want to hide upper left icon of material-ui Appbar. Can somebody tell me how can I hide it?


Tag : development , By : TheDave1022
Date : March 29 2020, 07:55 AM
help you fix your problem As it saids on the docs, you have two options, you can use for example an empty react component like below on the iconElementLeft property or also iconClassNameLeft
)} />
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