About two months ago, I signed up android employment class curriculum Mu class.
Considered to complement the original design of the original blog classification.
Andrews and front-end comparison:
1, the role of java in the development of Android, and now my understanding is that JavaScript has a great similarity in the front-end web development
2, the design of the entire Android development has obvious signs of design pattern is a template method pattern, although in general the front is similar, but not significantly, in particular, inheritance is not obvious, this is not a strict JavaScript object-oriented development language leads
3, Andrews will develop the same style and separate xml
4, property of the Android development only in terms of xml inline style
5, mainifest place the configuration file, java source files release, RES resource files are placed
Common layout layout linear
Width and height of the linear arrangement may set up their own, the wrap_content matches, and as large as the parent match_parent boxes, the layout is the development of analog front-end box-sizing frame mode and content mode
Other property-related settings
android margin attribute is:
android: layout_margin
android: front padding No padding
android: Orientation = "Horizontal" defines the vertical or horizontal layout
android: layout_weight = "1" This layout is similar to flex. 1
android: layout_gravity = "bottom" is not set with respect to the
properties are in lower case.
android border property absent
android more elements fill more high z-index.
Font units with SP; other units with dp.
Linear layout using the weight when, should correspond to the width or height is provided in the direction 0dp
can make all the elements within the linear layout Centered
Android: Gravity = "center_horizontal"
Android: layout_gravity = "left "relative to locate the parent element
Another activity that is, a page, a page has only one root element.
to be continued……