android - Hello World, most basic of setup errors -


all trying setup simple android "hello world" example, have made no alteration java code or xml layout (none xml @ in fact) beyond has been prescribed through searching stackoverflow remedy problems experiencing: scr folder errors, "r cannot resolved variable."

i have followed advice import mypackage.r rather android.r , clean project, rebuild it, restart eclipse after clean, , related can find... when follow advice clean project eclipse erases "import local.example.project1.r" , resets "android.r" or removes import...

i'm throwing errors in simplest example of "hello world," should go right out of box , cannot find resonable explanation why...

what missing?

if helps figure out problem notice gen folder not contain anything, though indications should contain autogenerated java file....

package local.example.project1;   import local.example.project1.r; import android.app.activity; import android.os.bundle; import android.view.menu;    public class mainactivity extends activity {      @override protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_main);     }      @override     public boolean oncreateoptionsmenu(menu menu) {         // inflate menu; adds items action bar if present.         getmenuinflater().inflate(r.menu.main, menu);         return true;     }  } 

if there nothing in gen folder, you'd better clean project , build again, or restart eclipse. check adt version whether out of date. can download latest sdk bundle verify project.


Comments

Popular posts from this blog

Need help in packaging app using TideSDK on Windows -

java - Why does my date parsing return a weird date? -

plot - Remove Objects from Legend When You Have Also Used Fit, Matlab -