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Highlighting sectioned apps on fast-scroll.

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- This CL fixes an old assumption we had about the height
  of rows in AllApps, and ensures that we account for the
  difference in height between the predictive icons and the
  normal icons.
- In addition, we refactor FastBitmapDrawable to have multiple
  states, which it manages in drawing itself, including the
  press state and fast scroll focus states.  And we also refactor
  some of the fast scroll logic in the all apps recycler view
  out to its own class.

Change-Id: I1988159b2767df733bbbfc7dc601859cde6c9943
This commit is contained in:
Winson
2015-08-21 11:16:27 -07:00
parent 5189454083
commit c088049113
15 changed files with 688 additions and 361 deletions
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14
src/com/android/launcher3/allapps/AllAppsContainerView.java
View File

@@ -28,6 +28,7 @@ import android.text.SpannableStringBuilder;
import android.text.method.TextKeyListener;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
@@ -35,6 +36,7 @@ import android.view.ViewGroup;
import android.widget.LinearLayout;
import com.android.launcher3.AppInfo;
import com.android.launcher3.BaseContainerView;
import com.android.launcher3.BubbleTextView;
import com.android.launcher3.CellLayout;
import com.android.launcher3.DeleteDropTarget;
import com.android.launcher3.DeviceProfile;
@@ -332,6 +334,18 @@ public class AllAppsContainerView extends BaseContainerView implements DragSourc
mAppsRecyclerView.addItemDecoration(mItemDecoration);
}
// Precalculate the prediction icon and normal icon sizes
LayoutInflater layoutInflater = LayoutInflater.from(getContext());
BubbleTextView icon = (BubbleTextView) layoutInflater.inflate(R.layout.all_apps_icon, this, false);
icon.applyFromApplicationInfo(mLauncher.createDummyAppInfo());
icon.measure(MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE, MeasureSpec.AT_MOST),
MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE, MeasureSpec.AT_MOST));
BubbleTextView predIcon = (BubbleTextView) layoutInflater.inflate(R.layout.all_apps_prediction_bar_icon, this, false);
predIcon.applyFromApplicationInfo(mLauncher.createDummyAppInfo());
predIcon.measure(MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE, MeasureSpec.AT_MOST),
MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE, MeasureSpec.AT_MOST));
mAppsRecyclerView.setPremeasuredIconHeights(predIcon.getMeasuredHeight(), icon.getMeasuredHeight());
updateBackgroundAndPaddings();
}