henkun的博客

功盖三分国，名成八阵图。江流石不转，遗恨失吞吴。唐·杜甫《八阵图》

1 全局居中 app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" 2 顶部水平居中...

这里提供一些工具类，供大家参考 /*** * 获取版本信息 */ public class PackageUtil { private static PackageUtil packageUtil; private static Context mcontext; public static PackageUtil getInstance(Context conte...

private DeviceUtil config; private Context context; public DeviceUtil getInstance(Context context){ this.context=context; synchronized (DeviceUtil.class){ if(confi...

public class Md5Util { private Md5Util(){ throw new Error("请不要实例化该类"); } public final static String MD5(String s) { char hexDigits[]={'0','1','2','3','4','5','6','7','8','...