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Commit 3cd0a593 authored by Michael Jurka's avatar Michael Jurka
Browse files

Improve Recent Apps scrolling performance 

- 20fps improvement using software rendering
- 10fps improvement using hardware rendering
- in sw mode, rendering recents background in the recent items themselves and using a bitmap cache to draw individual items (gives perf gains for sw mode)
- in sw and hw mode, no longer doing a fade on the recents scroll view (gives perf gains for hw mode) - instead we draw a black gradient where we would normally fade
- fading recents & notifications immediately when swiped
- removing unused code

Change-Id: I908e2a25b89c9dfbf9b8c8f3810fa43064261b33
parent 3b21427b

packages/SystemUI/res/layout-land/status_bar_recent_item.xml

+66 −59
Original line number Diff line number Diff line
@@ -19,10 +19,16 @@ 
-->



<!--    android:background="@drawable/status_bar_closed_default_background" -->

<RelativeLayout

<FrameLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_height="match_parent"

    android:layout_width="wrap_content">



    <RelativeLayout android:id="@+id/recent_item"

        android:layout_gravity="bottom"

        android:layout_height="wrap_content"

    android:layout_width="@dimen/status_bar_recents_thumbnail_view_width">

        android:layout_width="wrap_content"

        android:paddingBottom="@*android:dimen/status_bar_height">



        <FrameLayout android:id="@+id/app_thumbnail"

            android:layout_width="wrap_content"
@@ -55,7 +61,7 @@ 
        />



        <TextView android:id="@+id/app_label"

        android:layout_width="wrap_content"

            android:layout_width="@dimen/status_bar_recents_app_label_width"

            android:layout_height="wrap_content"

            android:textSize="@dimen/status_bar_recents_app_label_text_size"

            android:fadingEdge="horizontal"
@@ -71,7 +77,7 @@ 
        />



        <TextView android:id="@+id/app_description"

        android:layout_width="wrap_content"

            android:layout_width="@dimen/status_bar_recents_app_label_width"

            android:layout_height="wrap_content"

            android:textSize="@dimen/status_bar_recents_app_description_text_size"

            android:fadingEdge="horizontal"
@@ -86,3 +92,4 @@ 
        />



    </RelativeLayout>

</FrameLayout>

packages/SystemUI/res/layout-land/status_bar_recent_panel.xml

+3 −4
Original line number Diff line number Diff line
@@ -30,13 +30,12 @@ 
        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:layout_alignParentBottom="true"

        android:paddingBottom="@*android:dimen/status_bar_height"

        android:clipToPadding="false"

        android:clipChildren="false">



        <LinearLayout android:id="@+id/recents_glow"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_height="match_parent"

            android:layout_gravity="bottom|right"

            android:orientation="horizontal"

            android:clipToPadding="false"
@@ -44,7 +43,7 @@ 
            >

            <com.android.systemui.recent.RecentsHorizontalScrollView android:id="@+id/recents_container"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_height="match_parent"

                android:layout_marginRight="@dimen/status_bar_recents_right_glow_margin"

                android:divider="@null"

                android:stackFromBottom="true"
@@ -58,7 +57,7 @@ 


                <LinearLayout android:id="@+id/recents_linear_layout"

                    android:layout_width="wrap_content"

                    android:layout_height="wrap_content"

                    android:layout_height="match_parent"

                    android:orientation="horizontal"

                    android:clipToPadding="false"

                    android:clipChildren="false">

packages/SystemUI/res/layout-port/status_bar_recent_item.xml

+72 −67
Original line number Diff line number Diff line
@@ -19,10 +19,14 @@ 
-->



<!--    android:background="@drawable/status_bar_closed_default_background" -->

<RelativeLayout

<FrameLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_height="wrap_content"

    android:layout_width="@dimen/status_bar_recents_thumbnail_view_width">

    android:layout_width="match_parent">



    <RelativeLayout android:id="@+id/recent_item"

        android:layout_height="wrap_content"

        android:layout_width="match_parent">



        <FrameLayout android:id="@+id/app_thumbnail"

            android:layout_width="wrap_content"
@@ -95,3 +99,4 @@ 
        />



    </RelativeLayout>

</FrameLayout>

packages/SystemUI/res/layout-port/status_bar_recent_panel.xml

+2 −2
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ 
            android:layout_marginTop="@*android:dimen/status_bar_height">

            <com.android.systemui.recent.RecentsVerticalScrollView

                android:id="@+id/recents_container"

                android:layout_width="@dimen/status_bar_recents_width"

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

                android:layout_marginRight="0dp"

                android:divider="@null"
@@ -53,7 +53,7 @@ 
                android:clipChildren="false">



                <LinearLayout android:id="@+id/recents_linear_layout"

                    android:layout_width="wrap_content"

                    android:layout_width="match_parent"

                    android:layout_height="wrap_content"

                    android:orientation="vertical"

                    android:clipToPadding="false"

packages/SystemUI/res/layout-sw600dp/status_bar_recent_item.xml

+2 −2
Original line number Diff line number Diff line
@@ -19,10 +19,10 @@ 
-->



<!--    android:background="@drawable/status_bar_closed_default_background" -->

<RelativeLayout

<RelativeLayout android:id="@+id/recent_item"

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_height="wrap_content"

    android:layout_width="@dimen/status_bar_recents_thumbnail_view_width">

    android:layout_width="wrap_content">



    <FrameLayout android:id="@+id/app_thumbnail"

        android:layout_width="wrap_content"