Speeding up Recent Apps
- removing unused calls on startup
- no longer compositing bitmaps against a background bitmap
Change-Id: If26812ef475d5d972d98dd1cb9f7f741eeb99dae
diff --git a/packages/SystemUI/res/layout-land/status_bar_recent_item.xml b/packages/SystemUI/res/layout-land/status_bar_recent_item.xml
index 167d362..c6966f9 100644
--- a/packages/SystemUI/res/layout-land/status_bar_recent_item.xml
+++ b/packages/SystemUI/res/layout-land/status_bar_recent_item.xml
@@ -40,8 +40,8 @@
android:background="@drawable/recents_thumbnail_bg"
android:foreground="@drawable/recents_thumbnail_fg">
<ImageView android:id="@+id/app_thumbnail_image"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
+ android:layout_width="@dimen/status_bar_recents_thumbnail_width"
+ android:layout_height="@dimen/status_bar_recents_thumbnail_height"
android:visibility="invisible"
/>
</FrameLayout>
diff --git a/packages/SystemUI/res/layout-port/status_bar_recent_item.xml b/packages/SystemUI/res/layout-port/status_bar_recent_item.xml
index de80a51..586712f 100644
--- a/packages/SystemUI/res/layout-port/status_bar_recent_item.xml
+++ b/packages/SystemUI/res/layout-port/status_bar_recent_item.xml
@@ -38,8 +38,8 @@
android:background="@drawable/recents_thumbnail_bg"
android:foreground="@drawable/recents_thumbnail_fg">
<ImageView android:id="@+id/app_thumbnail_image"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
+ android:layout_width="@dimen/status_bar_recents_thumbnail_width"
+ android:layout_height="@dimen/status_bar_recents_thumbnail_height"
android:visibility="invisible"
/>
</FrameLayout>
diff --git a/packages/SystemUI/res/layout-sw600dp/status_bar_recent_item.xml b/packages/SystemUI/res/layout-sw600dp/status_bar_recent_item.xml
index 07088d5..cd8ccd5 100644
--- a/packages/SystemUI/res/layout-sw600dp/status_bar_recent_item.xml
+++ b/packages/SystemUI/res/layout-sw600dp/status_bar_recent_item.xml
@@ -33,8 +33,8 @@
android:background="@drawable/recents_thumbnail_bg"
android:foreground="@drawable/recents_thumbnail_fg">
<ImageView android:id="@+id/app_thumbnail_image"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
+ android:layout_width="@dimen/status_bar_recents_thumbnail_width"
+ android:layout_height="@dimen/status_bar_recents_thumbnail_height"
android:visibility="invisible"
/>
</FrameLayout>
diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
index 0621b22..9bda158 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
@@ -128,7 +128,7 @@
}
public void setThumbnail(Bitmap thumbnail) {
- mThumbnail = compositeBitmap(mDefaultThumbnailBackground, thumbnail);
+ mThumbnail = thumbnail;
}
public Bitmap getThumbnail() {
@@ -478,13 +478,10 @@
if (resolveInfo != null) {
final ActivityInfo info = resolveInfo.activityInfo;
final String title = info.loadLabel(pm).toString();
- // Drawable icon = info.loadIcon(pm);
Drawable icon = getFullResIcon(resolveInfo, pm);
if (title != null && title.length() > 0 && icon != null) {
if (DEBUG) Log.v(TAG, "creating activity desc for id="
+ recentInfo.id + ", label=" + title);
- ActivityManager.TaskThumbnails thumbs = am.getTaskThumbnails(
- recentInfo.persistentId);
ActivityDescription item = new ActivityDescription(recentInfo,
resolveInfo, intent, index, info.packageName);
activityDescriptions.add(item);
@@ -523,7 +520,9 @@
synchronized (ad) {
ad.mLabel = label;
ad.mIcon = icon;
- ad.setThumbnail(thumbs != null ? thumbs.mainThumbnail : mDefaultThumbnailBackground);
+ if (thumbs != null && thumbs.mainThumbnail != null) {
+ ad.setThumbnail(thumbs.mainThumbnail);
+ }
}
}
@@ -651,21 +650,6 @@
}
}
- private Bitmap compositeBitmap(Bitmap background, Bitmap thumbnail) {
- Bitmap outBitmap = background.copy(background.getConfig(), true);
- if (thumbnail != null) {
- Canvas canvas = new Canvas(outBitmap);
- Paint paint = new Paint();
- paint.setAntiAlias(true);
- paint.setFilterBitmap(true);
- paint.setAlpha(255);
- canvas.drawBitmap(thumbnail, null,
- new RectF(0, 0, outBitmap.getWidth(), outBitmap.getHeight()), paint);
- canvas.setBitmap(null);
- }
- return outBitmap;
- }
-
private void updateUiElements(Configuration config) {
final int items = mActivityDescriptions.size();