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Add undo snackbar for deleting items

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- Add methods to ModelWriter to prepareForUndoDelete, then
  enqueueDeleteRunnable, followed by commitDelete or abortDelete.
- Add Snackbar floating view
- Show Undo snackbar when dropping or flinging to delete target; if the
  undo action is clicked, we abort the delete, otherwise we commit it.

Bug: 24238108
Change-Id: I9997235e1f8525cbb8b1fa2338099609e7358426
This commit is contained in:
Tony Wickham
2018-08-21 11:40:23 -07:00
parent 1654c9e1c0
commit 6a71a5bd77
21 changed files with 344 additions and 53 deletions
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2
src/com/android/launcher3/SecondaryDropTarget.java
View File

@@ -2,7 +2,6 @@ package com.android.launcher3;
import static android.appwidget.AppWidgetManager.INVALID_APPWIDGET_ID;
import static android.appwidget.AppWidgetProviderInfo.WIDGET_FEATURE_RECONFIGURABLE;
import static com.android.launcher3.ItemInfoWithIcon.FLAG_SYSTEM_MASK;
import static com.android.launcher3.ItemInfoWithIcon.FLAG_SYSTEM_NO;
import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_DESKTOP;
@@ -10,7 +9,6 @@ import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.
import static com.android.launcher3.accessibility.LauncherAccessibilityDelegate.UNINSTALL;
import android.appwidget.AppWidgetHostView;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProviderInfo;
import android.content.ComponentName;
import android.content.Context;