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Commit 169a211f authored by Jim Miller's avatar Jim Miller
Browse files

Fix 3253629: Improve Recents panel animation performance. 

This change improves animation by enabling hardware acceleration
and reducing the size of the blue glow.

Change-Id: Ie8b7668b9b1f1ae91211875c2fa11b305a317d64
parent 05decf6d

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

+15 −11
Original line number Diff line number Diff line
@@ -28,8 +28,8 @@ 
    android:orientation="vertical">



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

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="@string/recent_tasks_empty"

        android:textSize="22dip"

        android:gravity="center_horizontal|center_vertical"
@@ -42,15 +42,19 @@ 
        android:layout_weight="1"

    />



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

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:orientation="horizontal"

        android:background="@drawable/recents_blue_glow">



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

        android:layout_width="match_parent"

            android:layout_width="356dip"

            android:layout_height="wrap_content"

            android:orientation="vertical"

        android:layout_alignParentBottom="true"

        android:layout_marginBottom="16dip"

        android:layout_alignParentLeft="true"

            android:layout_marginRight="100dip"

        android:background="@drawable/recents_blue_glow"

        />



    </LinearLayout>



</com.android.systemui.statusbar.tablet.RecentAppsPanel>

packages/SystemUI/src/com/android/systemui/statusbar/tablet/RecentAppsPanel.java

+9 −17
Original line number Diff line number Diff line
@@ -20,13 +20,9 @@ import java.util.ArrayList; 
import java.util.List;



import android.animation.Animator;

import android.animation.AnimatorListenerAdapter;

import android.animation.AnimatorSet;

import android.animation.LayoutTransition;

import android.animation.ObjectAnimator;

import android.animation.PropertyValuesHolder;

import android.app.ActivityManager;

import android.app.ActivityManagerNative;

import android.app.IThumbnailReceiver;

import android.app.ActivityManager.RunningTaskInfo;

import android.content.Context;
@@ -50,12 +46,10 @@ import android.util.DisplayMetrics; 
import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.animation.AnimationSet;

import android.view.animation.DecelerateInterpolator;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.TextView;

import android.widget.ImageView.ScaleType;



import com.android.systemui.R;
@@ -68,6 +62,7 @@ public class RecentAppsPanel extends LinearLayout implements StatusBarPanel, OnC 
    private TabletStatusBar mBar;

    private TextView mNoRecents;

    private LinearLayout mRecentsContainer;

    private View mRecentsGlowView;

    private ArrayList<ActivityDescription> mActivityDescriptions;

    private int mIconDpi;

    private AnimatorSet mAnimationSet;
@@ -145,6 +140,7 @@ public class RecentAppsPanel extends LinearLayout implements StatusBarPanel, OnC 
        super.onFinishInflate();

        mNoRecents = (TextView) findViewById(R.id.recents_no_recents);

        mRecentsContainer = (LinearLayout) findViewById(R.id.recents_container);

        mRecentsGlowView = findViewById(R.id.recents_glow);

        mBackgroundProtector = (View) findViewById(R.id.recents_bg_protect);



        // In order to save space, we make the background texture repeat in the Y direction
@@ -308,11 +304,6 @@ public class RecentAppsPanel extends LinearLayout implements StatusBarPanel, OnC 
    private void updateUiElements(Configuration config, boolean animate) {

        mRecentsContainer.removeAllViews();





        // TODO: disabled until I have a chance to tune animations with UX

        animate = false;





        final float initialAlpha = 0.0f;

        final int first = 0;

        final boolean isPortrait = config.orientation == Configuration.ORIENTATION_PORTRAIT;
@@ -339,8 +330,8 @@ public class RecentAppsPanel extends LinearLayout implements StatusBarPanel, OnC 
            if (animate) {

                view.setAlpha(initialAlpha);

                ObjectAnimator anim = ObjectAnimator.ofFloat(view, "alpha", initialAlpha, 1.0f);

                anim.setDuration(25);

                anim.setStartDelay((last-i)*25);

                anim.setDuration(200);

                anim.setStartDelay((last-i)*80);

                anim.setInterpolator(interp);

                anims.add(anim);

            }
@@ -349,11 +340,12 @@ public class RecentAppsPanel extends LinearLayout implements StatusBarPanel, OnC 
        int views = mRecentsContainer.getChildCount();

        mNoRecents.setVisibility(View.GONE); // views == 0 ? View.VISIBLE : View.GONE);

        mRecentsContainer.setVisibility(views > 0 ? View.VISIBLE : View.GONE);

        mRecentsGlowView.setVisibility(views > 0 ? View.VISIBLE : View.GONE);



        if (animate) {

            ObjectAnimator anim = ObjectAnimator.ofFloat(mRecentsContainer, "alpha",

        if (animate && views > 0) {

            ObjectAnimator anim = ObjectAnimator.ofFloat(mRecentsGlowView, "alpha",

                    initialAlpha, 1.0f);

            anim.setDuration(last*25);

            anim.setDuration((last-first)*80);

            anim.setInterpolator(interp);

            anims.add(anim);

        }
@@ -361,7 +353,7 @@ public class RecentAppsPanel extends LinearLayout implements StatusBarPanel, OnC 
        if (animate) {

            ObjectAnimator anim = ObjectAnimator.ofFloat(mBackgroundProtector, "alpha",

                    initialAlpha, 1.0f);

            anim.setDuration(last*25);

            anim.setDuration(last*80);

            anim.setInterpolator(interp);

            anims.add(anim);

        }

packages/SystemUI/src/com/android/systemui/statusbar/tablet/TabletStatusBar.java

+2 −1
Original line number Diff line number Diff line
@@ -244,7 +244,8 @@ public class TabletStatusBar extends StatusBar { 
                    WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL,

                    WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN

                        | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM

                        | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,

                        | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH

                        | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,

                    PixelFormat.TRANSLUCENT);

            lp.gravity = Gravity.BOTTOM | Gravity.LEFT;

            lp.setTitle("RecentsPanel");