Android Learning-resource access

Android Learning-resource access

1. Static native resources are kept in assets, such as Db,mp3, etc.

2. Other general access by R.

Directory	Storage Resources	Description
/res/animator	XML for Property animations	Color switch animation; 3D Rotate Animation
/res/anim	XML for a complement animation	can only support simple zoom, pan, rotate, transparency basic animation, and has certain limitations
/res/color	Color
/res/drawable	XML files that store various bitmap files and drawable Such as: *.png,*.9.png,*.jpg,*.gif Bitmapdrawable Ninepatchdrawable Statelistdrawable Shapedrawable Animationdrawable Drawable various other sub-objects	Ninepatchdrawable (*.9.png) statelistdrawable changing the background color according to different states Shapedrawable for drawing. animationdrawable Animation
/res/layout	Store the interface layout file
/res/menu	Store Menu
/res/raw	Store some native resources, such as sound, video, etc.	InputStream in=getresources (). Openrawresource (R.RAW.AAA); Now it's not recommended to put it here, just put assets. Then through InputStream in=getresources (). Getassets (). Open ("Aaa.txt"); This data can only be read and cannot be written. More importantly, the file size under this directory cannot exceed 1M.
/res/values	Customize various resource files Such as: Arrays.xml Strings.xml Colors.xml Demens.xml Styles.xml
/res/xml	Native XML files can be stored here	Try{xmlresourceparser XML=getresources (). GETXML (R.XML.BBB); Xml.next (); intEventType =Xml.geteventtype (); while(EventType! =xmlpullparser.end_document) { //Take out the content if the node that arrives at the Mark if(EventType = =xmlpullparser.text) {LOG.V ("Weijj", Encodingutils.getstring (Xml.gettext (). GetBytes (), "Utf-8")); } xml.next (); EventType=Xml.geteventtype (); } } Catch(Exception e) {e.printstacktrace (); } View Code

drawable Resource Usage

1.BitmapDrawable

        drawable drawable=getresources (). getdrawable (R.drawable.ic_launcher);        ImageView ImageView1=(ImageView) Findviewbyid (r.id.imageview1);        Imageview1.setbackground (drawable);

2.StateListDrawable

Supported states

Property value	Meaning
Android:state_active	Activation status
Android:state_checkable	can be checked status
Android:state_checked	Checked
Android:state_enabled	Available
Android:state_first	Start state
Android:state_focused	Get Focus Status
Android:state_last	End State
Android:state_middle	Intermediate state
Android:state_pressed	Is installed state
android:state_selected	is selected
Android:state_window_focused	Whether the window has gained focus

Android Learning-resource access