I am creating an Android TV application with the following location:
Both lists on the left and right are RecyclerViews with vertical LinearLayoutManagers, the title view is static. Navigation with D-PAD works fine in one list, but there are problems when switching from one list to another. The focus moves from, for example, an item in list1 to an item in list2. 5. When shortlist 2 has less than 5 elements, it simply loses focus.
I want the last focused index of the object to be saved, and when the user translates list1-list2-list1 to an element with this index in order to get focus again, and also does not allow the focus to view the focus. Is there a good solution for this?
:
"UP" - , , .
"DOWN" - , , .
1 2 - , 2, item0 , .
:
<?xml version="1.0" encoding="utf-8"?>
<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"
>
<ImageView
android:id="@+id/iv_background"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:focusable="false"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="27dp"
android:layout_marginLeft="48dp"
android:layout_marginRight="48dp"
android:layout_marginTop="27dp"
android:orientation="horizontal"
>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="2"
android:orientation="vertical"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:focusable="false"
android:orientation="horizontal"
>
<ImageView
android:id="@+id/iv_poster"
android:layout_width="@dimen/episodes_list_item_height"
android:layout_height="@dimen/episodes_list_image_width"
/>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical"
>
<TextView
android:id="@+id/tv_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
/>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<TextView
android:id="@+id/tv_release_date"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="left"
/>
<TextView
android:id="@+id/tv_rating"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="right"
android:drawableLeft="@drawable/ic_star_white_24dp"
android:drawablePadding="@dimen/view_padding_small"
/>
</FrameLayout>
<TextView
android:id="@+id/tv_description"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
/>
</LinearLayout>
</LinearLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/rv_seasons_list"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:focusable="false"
/>
</LinearLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/rv_episodes_list"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="3"
android:focusable="false"
/>
</LinearLayout>
</FrameLayout>
:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="@dimen/seasons_list_item_height"
android:orientation="horizontal"
android:focusable="true"
>
<TextView
android:id="@+id/tv_title"
android:layout_width="0dp"
android:layout_height="match_parent"
android:gravity="center_vertical"
android:layout_weight="1"
/>
<TextView
android:id="@+id/tv_episodes_count"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:gravity="center_vertical"
android:ems="10"
/>
</LinearLayout>