Customize your own baseactivity for your Android app

I believe everyone is developing Android I must have encountered a lot of repetitive work in the application process. , RepeatedCode , Sometimes the same is true for layout files. , Repetitive work required , In this caseProgramIt must be a very tiring and tedious task. , So when we write code, do we need to consider letting us write less code? , Programmers must learn to be lazy. , Otherwise ........

 

When developing applications, our design is actually a Unified overall style. , Then we can write some common code. , This facilitates subsequent maintenance for the program. , No more nonsense. , I believe everyone understands this. , Today, what I share with you is to customize your own Baseactivity, This Baseactivity It encapsulates some common code. , For example, the titles and buttons in the development process must have , So we can write all these public items in this Baseactivity Li , Other functions Activity This will be inherited later Baseactivity. First

Read,Are you inspired or knowledgeable??ThenBaseactivityCore code in:

/*** Inherited from activity for future convenient management ** @ author coder **/public class baseactivity extends activity {private view titleview; private textview TV _title; private button btn_left, btn_right; private linearlayout ly_content; // layout of the content area private view contentview; @ override protected void oncreate (bundle savedinstancestate) {// todo auto-generated method stub super. oncreate (savedinstancestate); setcontentview (R. Layout. common_title); titleview = findviewbyid (R. id. titleview); TV _title = (textview) titleview. findviewbyid (R. id. TV _title); btn_left = (button) titleview. findviewbyid (R. id. btn_left); btn_right = (button) titleview. findviewbyid (R. id. btn_right); ly_content = (linearlayout) findviewbyid (R. id. ly_content);}/***** set the content area ** @ Param resid * resource file ID */Public void setcontentlayout (INT resid) {layoutinf Later Inflater = (layoutinflater) getsystemservice (context. layout_inflater_service); contentview = Inflater. inflate (resid, null); layoutparams = new layoutparams (layoutparams. fill_parent, layoutparams. fill_parent); contentview. setlayoutparams (layoutparams); contentview. setbackgrounddrawable (null); If (null! = Ly_content) {ly_content.addview (contentview) ;}}/***** set the content area ** @ Param view * view object */Public void setcontentlayout (view) {If (null! = Ly_content) {ly_content.addview (View) ;}/ *** view of the obtained content ** @ return */public view getlycontentview () {return contentview ;} /*** get the left button ** @ return */Public button getbtn_left () {return btn_left ;} /*** get the button on the right ** @ return */Public button getbtn_right () {return btn_right ;} /*** set the title ** @ Param title */Public void settitle (String title) {If (null! = TV _title) {TV _title.settext (title) ;}/ *** set the title ** @ Param resid */Public void settitle (INT resid) {TV _title.settext (getstring (resid);}/*** set the image resource of the left button ** @ Param resid */Public void setbtn_leftres (INT resid) {If (null! = Btn_left) {btn_left.setbackgroundresource (resid);}/*** set the image resource of the left button ** @ Param BM */Public void setbtn_leftres (drawable) {If (null! = Btn_left) {btn_left.setbackgrounddrawable (drawable);}/*** set the image resource of the right button ** @ Param resid */Public void setbtn_rightres (INT resid) {If (null! = Btn_right) {btn_right.setbackgroundresource (resid);}/*** set the image resource of the right button ** @ Param drawable */Public void setbtn_rightres (drawable) {If (null! = Btn_right) {btn_right.setbackgrounddrawable (drawable) ;}/ *** hide the title bar above */Public void hidetitleview () {If (null! = Titleview) {titleview. setvisibility (view. Gone) ;}}/*** hide the button on the left */Public void hidebtn_left () {If (null! = Btn_left) {btn_left.setvisibility (view. Gone) ;}/ ***** hide the button on the right */Public void hidebtn_right () {If (null! = Btn_right) {btn_right.setvisibility (view. Gone) ;}} public baseactivity (){}}

Next, let's give a usage.:

 
Public class twobtnactivity extends baseactivity {@ override protected void oncreate (bundle savedinstancestate) {// todo auto-generated method stub super. oncreate (savedinstancestate); setcontentlayout (R. layout. two); // set the title settitle ("two buttons"); // Add the listener event getbtn_left () for the button on the left (). setonclicklistener (New onclicklistener () {@ override public void onclick (view v) {onbackpressed ();}});}}
 

Okay, you're done.,This omnipotentBaseactivityIs it easy to use?,I hope this small sharing will be helpful to everyone.

If you are interested in Android development, join the group for discussion ~ 252742977 (Shanghai) 253604146 (Xiamen)