diff options
Diffstat (limited to 'RotaryPlayground/res/layout/rotary_cards.xml')
| -rw-r--r-- | RotaryPlayground/res/layout/rotary_cards.xml | 85 |
1 files changed, 70 insertions, 15 deletions
diff --git a/RotaryPlayground/res/layout/rotary_cards.xml b/RotaryPlayground/res/layout/rotary_cards.xml index e3d9e87..2ffdfdc 100644 --- a/RotaryPlayground/res/layout/rotary_cards.xml +++ b/RotaryPlayground/res/layout/rotary_cards.xml @@ -149,7 +149,8 @@ android:layout_width="@dimen/card_width" android:layout_height="match_parent" android:padding="@dimen/card_padding" - android:orientation="vertical"> + android:orientation="vertical" + app:defaultFocus="@+id/default_focus"> <TextView android:layout_height="@dimen/description_height" android:layout_width="match_parent" @@ -160,8 +161,8 @@ android:onClick="onRotaryButtonClick" android:tag="test_button" android:text="Button" /> - <!-- TODO(b/154180719): Make this button the default focus in this FocusArea --> <Button + android:id="@+id/default_focus" android:layout_width="match_parent" android:layout_height="50dp" android:onClick="onRotaryButtonClick" @@ -181,18 +182,9 @@ android:text="Button" /> </com.android.car.ui.FocusArea> - <!-- A FocusArea with buttons in a circle. The default focus should land on A. + <!-- A FocusArea with buttons in a circle. Rotating clockwise moves the focus from A -> B -> C -> D -> E -> F -> G -> H, - and reverse counterclockwise. - Adding app:defaultFocus to A to make it the default focus on this card - Adding android:nextFocusForward is necessary to ensure the expected focus - order, without it, the focus will move from - G -> H -> F -> A -> E -> B -> D -> C. - Lastly, android:nextFocusForward is not added to H -> A, to avoid linking - the nodes in a circle. app:wrapAround="true" should be used instead. - --> - <!-- TODO(agathaman): add app:wrapAround to this card when b/155698037 is fixed --> - <!-- TODO(agathaman): add app:defaultFocus to this card when b/155698037 is fixed --> + and reverse counterclockwise. --> <com.android.car.ui.FocusArea android:id="@+id/card_that_wraps_around" android:background="@color/card_background_color" @@ -200,7 +192,8 @@ android:layout_width="@dimen/card_width" android:layout_height="match_parent" android:padding="@dimen/card_padding" - android:orientation="vertical"> + android:orientation="vertical" + app:wrapAround="true"> <TextView android:layout_height="@dimen/description_height" android:layout_width="match_parent" @@ -305,6 +298,68 @@ /> </androidx.constraintlayout.widget.ConstraintLayout> </com.android.car.ui.FocusArea> + <!-- A FocusArea to demonstrate how to update a view properly. + Don't remove the focused view, otherwise Android framework will focus on another + view (the default focus view, or the first focusable view in the view tree), and + the user will see the focus highlight jump away unexpectedly. Some workarounds: + 1. Don't remove the view. You may achieve the desired behavior by updating the + source image of focused view. + 2. Delegate the view focus to its container, therefore removing the view won't + affect the focus + 3. Make another view request focus explicitly after Android framework adjusts the + focus. + Don't disable the focused view, otherwise Android framework will focus on another + view. A workaround is to use a custom state to replace android:state_disabled so + that it appears disabled but is not disabled actually. + --> + <com.android.car.ui.FocusArea + android:id="@+id/focus_area5" + android:background="@color/card_background_color" + android:layout_margin="16dp" + android:layout_width="@dimen/card_width" + android:layout_height="match_parent" + android:padding="@dimen/card_padding" + android:orientation="vertical"> + <Button + android:id="@+id/button_5a" + android:layout_width="match_parent" + android:layout_height="50dp" + android:text="focus jumps" /> + <Button + android:id="@+id/button_5b" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:layout_gravity="center" + android:background="@drawable/ic_play_arrow"/> + <FrameLayout + android:id="@+id/button_5c_container" + android:layout_width="match_parent" + android:layout_height="50dp" + android:focusable="true"> + <Button + android:id="@+id/button_5c" + android:layout_width="match_parent" + android:layout_height="match_parent" + android:text="focus stays" /> + </FrameLayout> + <Button + android:id="@+id/button_5d" + android:layout_width="match_parent" + android:layout_height="50dp" + android:text="focus returns" /> + <Button + android:id="@+id/button_5e" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:layout_gravity="center" + android:background="@drawable/button_background"/> + <com.android.car.rotaryplayground.CustomButton + android:id="@+id/button_5f" + android:layout_width="wrap_content" + android:layout_height="wrap_content" + android:layout_gravity="center" + android:background="@drawable/custom_button_background"/> + </com.android.car.ui.FocusArea> </LinearLayout> </HorizontalScrollView> -</LinearLayout>
\ No newline at end of file +</LinearLayout> |