<p>Called when the checked radio button has changed. When the selection is cleared, checkedId is -1.</p> @param group the group in which the chec

Set a boolean value in the preferences editor, to be written back @param key The name of the preference to modify. @param value The new value for t

释放VelocityTracker @see VelocityTracker#clear() @see VelocityTracker#recycle()

移除监听 @param child

desc:保存对象 @param key @param obj 要保存的对象，只能保存实现了serializable的对象 modified:

设置监听 @param child

{@inheritDoc}

分享文件 @param picFile 文件路径