Config.java 文件源码

@CheckResult
@StyleRes
public static int activityTheme(@NonNull Context context, @Nullable String key) {
    final SharedPreferences prefs = prefs(context, key);
    final String valueStr = prefs.getString(KEY_ACTIVITY_THEME, null);
    String valueTypeStr = prefs.getString(KEY_ACTIVITY_THEME_DEFTYPE, null);
    if (valueStr != null) {
        if (valueTypeStr == null) valueTypeStr = "style";
        return context.getResources().getIdentifier(valueStr, valueTypeStr, context.getPackageName());
    }
    return 0;
}