Bytes to input stream. @param bytes The bytes. @return input stream

Chars to bytes. @param chars The chars. @return bytes

Drawable to bytes. @param drawable The drawable. @param format The format of bitmap. @return bytes

退出

获取缓存目录 @return /storage/emulated/0/Android/data/package name/files/cache

获取上下文 @return 上下文

获取日志目录 @return /storage/emulated/0/Android/data/package name/files/logs

获取根目录 @return /storage/emulated/0/Android/data/package name/files

获取更新文件目录 @return /storage/emulated/0/Android/data/package name/files/update

Hex string to bytes. <p>e.g. hexString2Bytes("00A8") returns { 0, (byte) 0xA8 }</p> @param hexString The hex string. @return the bytes

关闭加载对话框

Input stream to bytes. @param is The input stream. @return bytes

Input stream to string. @param is The input stream. @param charsetName The name of charset. @return string

判断身份证号码是否正确 @param number 身份证号码 @return 如果正确的话，则返回true，否则返回false

判断手机号码的格式是否正确 @param phone 手机号码 @return 如果正确的话，则返回true，否则返回false

判断电话号码的格式是否正确 @param tel 电话号码 @return 如果正确的话，则返回true，否则返回false

Size of memory in unit to size of byte. @param memorySize Size of memory. @param unit The unit of memory size. <ul>

Milliseconds to fit time span. @param millis The milliseconds. <p>millis &lt;= 0, return null</p> @param precision The precision

Milliseconds to time span in unit. @param millis The milliseconds. @param unit The unit of time span. <ul> <li>{@link #

调用手机浏览器加载网页 @param url 网址

调用拨号界面，并自动填写电话号码 @param context 上下文 @param phone 电话号码，格式为123456