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Commit 57e4d44f authored by Michael Jurka's avatar Michael Jurka
Browse files

Speeding up Recent Apps 

- removing unused calls on startup
- no longer compositing bitmaps against a background bitmap

Change-Id: If26812ef475d5d972d98dd1cb9f7f741eeb99dae
parent 4f92c9bb

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

+2 −2
Original line number Diff line number Diff line
@@ -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>

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

+2 −2
Original line number Diff line number Diff line
@@ -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>

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

+2 −2
Original line number Diff line number Diff line
@@ -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>

packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java

+4 −20
Original line number Diff line number Diff line
@@ -128,7 +128,7 @@ public class RecentsPanelView extends RelativeLayout 
        }



        public void setThumbnail(Bitmap thumbnail) {

            mThumbnail = compositeBitmap(mDefaultThumbnailBackground, thumbnail);

            mThumbnail = thumbnail;

        }



        public Bitmap getThumbnail() {
@@ -478,13 +478,10 @@ public class RecentsPanelView extends RelativeLayout 
            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 @@ public class RecentsPanelView extends RelativeLayout 
        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 @@ public class RecentsPanelView extends RelativeLayout 
        }

    }



    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();