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Fix 3253629: Improve Recents panel animation performance.

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

Change-Id: Ie8b7668b9b1f1ae91211875c2fa11b305a317d64
This commit is contained in:
Jim Miller
2010-12-10 18:30:07 -08:00
parent 05decf6d62
commit 169a211f6b
3 changed files with 26 additions and 29 deletions
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26
packages/SystemUI/res/layout-xlarge/status_bar_recent_panel.xml
View File

@@ -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_container"
android:layout_width="match_parent"
<LinearLayout android:id="@+id/recents_glow"
android:layout_width="wrap_content"
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"
/>
android:orientation="horizontal"
android:background="@drawable/recents_blue_glow">
<LinearLayout android:id="@+id/recents_container"
android:layout_width="356dip"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginRight="100dip"
/>
</LinearLayout>
</com.android.systemui.statusbar.tablet.RecentAppsPanel>

26
packages/SystemUI/src/com/android/systemui/statusbar/tablet/RecentAppsPanel.java
View File

@@ -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);
}

3
packages/SystemUI/src/com/android/systemui/statusbar/tablet/TabletStatusBar.java
View File

@@ -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");