Merge "Fix for Top Dogfood Backup/Restore issue." into main

import android.database.Cursor;

import android.database.sqlite.SQLiteDatabase;

import android.database.sqlite.SQLiteException;

import android.database.sqlite.SQLiteReadOnlyDatabaseException;

import android.graphics.Bitmap;

import android.graphics.Bitmap.Config;

import android.graphics.BitmapFactory;

    }

    private synchronized void updateIconParamsBg(final int iconDpi, final int iconPixelSize) {

        try {

            mIconDpi = iconDpi;

            mDefaultIcon = null;

            mUserFlagOpMap.clear();

            mIconDb.close();

            mIconDb = new IconDB(mContext, mDbFileName, iconPixelSize);

            mCache.clear();

        } catch (SQLiteReadOnlyDatabaseException e) {

            // This is known to happen during repeated backup and restores, if the Launcher is in

            // restricted mode. When the launcher is loading and the backup restore is being cleared

            // there can be a conflict where one DB is trying to delete the DB file, and the other

            // is attempting to write to it. The effect is that launcher crashes, then the backup /

            // restore process fails, then the user's home screen icons fail to restore. Adding this

            // try / catch will stop the crash, and LoaderTask will sanitize any residual icon data,

            // leading to a completed backup / restore and a better experience for our customers.

            Log.e(TAG, "failed to clear the launcher's icon db or cache.", e);

        }

    }

    @Nullable