DialogUtils.java 文件源码

public static GravityEnum resolveGravityEnum(Context context, @AttrRes int attr, GravityEnum defaultGravity) {
    TypedArray a = context.getTheme().obtainStyledAttributes(new int[]{attr});
    try {
        switch (a.getInt(0, gravityEnumToAttrInt(defaultGravity))) {
            case 1:
                return GravityEnum.CENTER;
            case 2:
                return GravityEnum.END;
            default:
                return GravityEnum.START;
        }
    } finally {
        a.recycle();
    }
}