Method getCacheSizeKb

app/src/main/java/eu/faircode/email/DB.java:670–684

(Context context)

    }

    static Integer getCacheSizeKb(Context context) {
        try {
            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
            int sqlite_cache = prefs.getInt("sqlite_cache", DEFAULT_CACHE_SIZE);

            ActivityManager am = Helper.getSystemService(context, ActivityManager.class);
            int class_mb = am.getMemoryClass();
            int cache_size = sqlite_cache * class_mb * 1024 / 100;

            return (cache_size > 2000 ? cache_size : null);
        } catch (Throwable ex) {
            Log.e(ex);
            return null;
        }
    }

    private static void dropTriggers(@NonNull SupportSQLiteDatabase db) {
        db.execSQL("DROP TRIGGER IF EXISTS `attachment_insert`");