Add animations to widgets

when you press the back key,the widgets will be dismiss.The dialog could
be contain long text.
Merge pull request #50 from shark0017/master

Add animations to widgets and fix it
Fix bugs

1.make setattributes in customView class
2.slider max's defalut value is 100.(fix bug)
3.you can set checkboxSize in CheckBox class
4.you can set thumbSize in Switch class
……
Fix bugs
Fix there is no @drawable/ic_next Bug
Refactor the code and fix bugs

add
setchecked
setthumbSize
seticonsize
setrippleBoundsRadius
setrippleSpeed
setValue
setText
setTextColor
setIcon
setIconDrawable
Fix bugs
Merge pull request #55 from shark0017/master

Refactor the code and fix some bugs
Fix demo
setButtonTextColor instead of setbackgroundColor
add new view——ButtonImage
Fix bug
Fix bugs of Slider
Merge pull request #67 from shark0017/master

Fix Bugs of Slider and Switch
Merge pull request #1 from navasmdc/master

pull update