SP中读取String @param context 上下文 @param key 键 @return 存在返回对应值，不存在返回默认值null

log.e @description @param msg

SP中读取int @param context 上下文 @param key 键 @return 存在返回对应值，不存在返回默认值-1

is null or its length is 0 <pre> isEmpty(null) = true; isEmpty(&quot;&quot;) = true; isEmpty(&quot; &quot;) = false; </pre> @param str @return if s

get length of CharSequence <pre> length(null) = 0; length(\"\") = 0; length(\"abc\") = 3; </pre> @param str @return if str is null or empty, return

添加生僻字 @param cnWord 生僻字 @param spell 生僻字的拼音, 如果拼音以 a, o ,e 开头， 请将开头分别改为 ’a, ’o, ’e， 如：安(’an)

Flush the Ogg page out of the buffers into the file. @param eos - end of stream @exception IOException

上下文环境的更新 1. 环境变量的clear check

Returns a string representation of the simple linear regression model. @return a string representation of the simple linear regression model, includ

Get Intent to start {@link PhotoPickerActivity} @return Intent for {@link PhotoPickerActivity}

<code>required uint32 msg_id = 3;</code>

------------------状态的 set get------------------------------

Reads GIF image from stream @param is containing GIF file. @return read status code (0 = no errors)

<code>optional bytes attach_data = 20;</code>