Suvro Suvro - 4 months ago 15
Android Question

NestedScrollview wont start from top

I have a Recyclerview in a NestedScrollview.. everything is working fine except one thig. I have total three view in NestedScrollview First two are LinearLayout then Recyclerview. when i run my app the Activity dont show top two layout it starts from top of the Recyclerview.

How its show my layout:

How its show my layout

How its suppose to show:

How its suppose to show

And i am loading this enite layout under a viewpager and my viewpager is a child of Coordinator Layout.

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.NestedScrollView
android:id="@+id/scrollView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/home_layout_background">

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

<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">

<com.daimajia.slider.library.SliderLayout
android:id="@+id/image_slider"
android:layout_width="match_parent"
android:layout_height="@dimen/image_slider_height"
android:layout_marginTop="@dimen/image_slider_top_margin" />
</LinearLayout>

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/popular_fragment_side_padding"
android:layout_marginRight="@dimen/popular_fragment_side_padding"
android:layout_marginTop="@dimen/popular_fragment_side_padding"
android:orientation="horizontal"
android:weightSum="4">

<RelativeLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1">

<RelativeLayout
android:id="@+id/free_delivery"
android:layout_width="76dp"
android:layout_height="76dp"
android:layout_centerInParent="true"
android:background="@color/white">

<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true">

<ImageView
android:id="@+id/btnImageViewFreeDelivery"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:background="@drawable/icon_free_delivery" />

<TextView
android:id="@+id/btnTextFreeDelivery"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/btnImageViewFreeDelivery"
android:layout_centerHorizontal="true"
android:layout_marginTop="2dp"
android:text="@string/free_delivery_txt"
android:textColor="@color/popular_fragment_four_btn_txt"
android:textSize="@dimen/popular_fragment_four_btn_txt_size" />
</RelativeLayout>

</RelativeLayout>

</RelativeLayout>

<RelativeLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1">

<RelativeLayout
android:id="@+id/flash_deals"
android:layout_width="76dp"
android:layout_height="76dp"
android:layout_centerInParent="true"
android:background="@color/white">


<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true">

<ImageView
android:id="@+id/btnImageViewFlashDeals"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:background="@drawable/icon_flash_deals" />

<TextView
android:id="@+id/btnTextFlashDeals"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/btnImageViewFlashDeals"
android:layout_centerHorizontal="true"
android:layout_marginTop="2dp"
android:text="@string/flash_deals_txt"
android:textColor="@color/popular_fragment_four_btn_txt"
android:textSize="@dimen/popular_fragment_four_btn_txt_size" />
</RelativeLayout>

</RelativeLayout>

</RelativeLayout>

<RelativeLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1">

<RelativeLayout
android:id="@+id/for_you"
android:layout_width="76dp"
android:layout_height="76dp"
android:layout_centerInParent="true"
android:background="@color/white">

<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true">

<ImageView
android:id="@+id/btnImageViewForYou"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:background="@drawable/icon_for_you" />

<TextView
android:id="@+id/btnTextForYou"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/btnImageViewForYou"
android:layout_centerHorizontal="true"
android:layout_marginTop="2dp"
android:text="@string/for_you_txt"
android:textColor="@color/popular_fragment_four_btn_txt"
android:textSize="@dimen/popular_fragment_four_btn_txt_size" />
</RelativeLayout>


</RelativeLayout>
</RelativeLayout>

<RelativeLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1">

<RelativeLayout
android:id="@+id/shake_deals"
android:layout_width="76dp"
android:layout_height="76dp"
android:layout_centerInParent="true"
android:background="@color/white">

<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true">

<ImageView
android:id="@+id/btnImageViewShakeDeals"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:background="@drawable/icon_shake_deals" />

<TextView
android:id="@+id/btnTextShakeDeals"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/btnImageViewShakeDeals"
android:layout_centerHorizontal="true"
android:layout_marginTop="2dp"
android:text="@string/shake_deals"
android:textColor="@color/popular_fragment_four_btn_txt"
android:textSize="@dimen/popular_fragment_four_btn_txt_size" />
</RelativeLayout>

</RelativeLayout>
</RelativeLayout>
</LinearLayout>

<android.support.v7.widget.RecyclerView
android:id="@+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="@dimen/popular_fragment_side_padding"
android:layout_marginRight="@dimen/popular_fragment_side_padding"
android:layout_marginTop="18dp"
android:scrollbars="none" />

</LinearLayout>

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


My ViewPager 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"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent">

<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/home_layout_background"
app:layout_behavior="@string/appbar_scrolling_view_behavior"/>

<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content">

<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:layout_gravity="center"
android:background="@drawable/toolbar_background"
app:layout_scrollFlags="scroll|enterAlways">

<TextView
android:id="@+id/toolbar_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="@string/title_home"
android:textColor="@color/toolbar_title_txt_color"
android:textSize="@dimen/toolbar_txt_size"
android:textStyle="bold" />

</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:background="@color/white"
app:tabMode="scrollable"
app:tabTextColor="@color/tab_bar_txt"
app:tabIndicatorColor="@color/tab_bar_txt_selected"
app:tabSelectedTextColor="@color/tab_bar_txt_selected"
app:tabTextAppearance="@style/TabTextAppeareance"/>

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



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

Answer

It is a problem about focus. Try :

findViewById(R.id.recycler_view).setFoucsable(false)
findViewById(R.id.temp).requesFocus();

<?xml version="1.0" encoding="utf-8"?>
    <android.support.v4.widget.NestedScrollView
    android:id="@+id/scrollView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/home_layout_background">

    <LinearLayout
        android:id="@+id/temp"
        android:focusable="true"
        android:focusableInTouchMode="true"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="horizontal">

            <com.daimajia.slider.library.SliderLayout
                android:id="@+id/image_slider"
                android:layout_width="match_parent"
                android:layout_height="@dimen/image_slider_height"
                android:layout_marginTop="@dimen/image_slider_top_margin" />
        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="@dimen/popular_fragment_side_padding"
            android:layout_marginRight="@dimen/popular_fragment_side_padding"
            android:layout_marginTop="@dimen/popular_fragment_side_padding"
            android:orientation="horizontal"
            android:weightSum="4">

            <RelativeLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1">

                <RelativeLayout
                    android:id="@+id/free_delivery"
                    android:layout_width="76dp"
                    android:layout_height="76dp"
                    android:layout_centerInParent="true"
                    android:background="@color/white">

                    <RelativeLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_centerInParent="true">

                        <ImageView
                            android:id="@+id/btnImageViewFreeDelivery"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_centerHorizontal="true"
                            android:background="@drawable/icon_free_delivery" />

                        <TextView
                            android:id="@+id/btnTextFreeDelivery"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_below="@+id/btnImageViewFreeDelivery"
                            android:layout_centerHorizontal="true"
                            android:layout_marginTop="2dp"
                            android:text="@string/free_delivery_txt"
                            android:textColor="@color/popular_fragment_four_btn_txt"
                            android:textSize="@dimen/popular_fragment_four_btn_txt_size" />
                    </RelativeLayout>

                </RelativeLayout>

            </RelativeLayout>

            <RelativeLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1">

                <RelativeLayout
                    android:id="@+id/flash_deals"
                    android:layout_width="76dp"
                    android:layout_height="76dp"
                    android:layout_centerInParent="true"
                    android:background="@color/white">


                    <RelativeLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_centerInParent="true">

                        <ImageView
                            android:id="@+id/btnImageViewFlashDeals"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_centerHorizontal="true"
                            android:background="@drawable/icon_flash_deals" />

                        <TextView
                            android:id="@+id/btnTextFlashDeals"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_below="@+id/btnImageViewFlashDeals"
                            android:layout_centerHorizontal="true"
                            android:layout_marginTop="2dp"
                            android:text="@string/flash_deals_txt"
                            android:textColor="@color/popular_fragment_four_btn_txt"
                            android:textSize="@dimen/popular_fragment_four_btn_txt_size" />
                    </RelativeLayout>

                </RelativeLayout>

            </RelativeLayout>

            <RelativeLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1">

                <RelativeLayout
                    android:id="@+id/for_you"
                    android:layout_width="76dp"
                    android:layout_height="76dp"
                    android:layout_centerInParent="true"
                    android:background="@color/white">

                    <RelativeLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_centerInParent="true">

                        <ImageView
                            android:id="@+id/btnImageViewForYou"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_centerHorizontal="true"
                            android:background="@drawable/icon_for_you" />

                        <TextView
                            android:id="@+id/btnTextForYou"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_below="@+id/btnImageViewForYou"
                            android:layout_centerHorizontal="true"
                            android:layout_marginTop="2dp"
                            android:text="@string/for_you_txt"
                            android:textColor="@color/popular_fragment_four_btn_txt"
                            android:textSize="@dimen/popular_fragment_four_btn_txt_size" />
                    </RelativeLayout>


                </RelativeLayout>
            </RelativeLayout>

            <RelativeLayout
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1">

                <RelativeLayout
                    android:id="@+id/shake_deals"
                    android:layout_width="76dp"
                    android:layout_height="76dp"
                    android:layout_centerInParent="true"
                    android:background="@color/white">

                    <RelativeLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_centerInParent="true">

                        <ImageView
                            android:id="@+id/btnImageViewShakeDeals"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_centerHorizontal="true"
                            android:background="@drawable/icon_shake_deals" />

                        <TextView
                            android:id="@+id/btnTextShakeDeals"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_below="@+id/btnImageViewShakeDeals"
                            android:layout_centerHorizontal="true"
                            android:layout_marginTop="2dp"
                            android:text="@string/shake_deals"
                            android:textColor="@color/popular_fragment_four_btn_txt"
                            android:textSize="@dimen/popular_fragment_four_btn_txt_size" />
                    </RelativeLayout>

                </RelativeLayout>
            </RelativeLayout>
        </LinearLayout>

        <android.support.v7.widget.RecyclerView
            android:id="@+id/recycler_view"
            android:focusable="false"
            android:focusableInTouchMode="false"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginLeft="@dimen/popular_fragment_side_padding"
            android:layout_marginRight="@dimen/popular_fragment_side_padding"
            android:layout_marginTop="18dp"
            android:scrollbars="none" />

    </LinearLayout>

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