r.java-file

I am using ubuntu 14.04 LTS 64 bits. and i installed eclipse Mars. and created "hello world" App. but the R class is always missing and never generated. @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main);//R cannot be resolved to a variable } and i did the folowing: -clean project. -delete the files in gen folder to be regenerated automatically -checked the XML files in your resource folders and all has no errors -right-click on the project->properties->Android to check that i am using the correct API but

I am developing app with zxing library. I imported the zxing project into my work place. When i importing there were some problems i faced. Compile the project by java 1.7 . I done it. CameraConfigurationUtils was missing. I copied from the library source . Resource id's cannot be used to check in the switch case . I changed it to if else . But finally there is a broblem in the 1. emailResult.getTos() was not resolved in EmailAddressResultHandler 2. Then i built the project there comes the problem R.java cannot be resolved throughout my application. What i am doing wrong? I think you used the

In my Gradle script, I have created a Javadoc task that generates documentation for my java files and for the auto-generated R.java, so that it creates links for my XML resources. I am using Doclava and even the @attr works as expected when referencing XML resources. However, when I add comments in my original XML files in order to document them, they are lost in the process of generating the R.java file and they are replaced by the default documentation. Is there a way to document my XML resources and make the documentation appear in the resulting javadoc? 来源： https://stackoverflow.com

Google has now Android Lollipop, I opened my sdk manager and decided to update couple of packages... It is furstrating me from 2 days. Can't find theme I have also tried this: Failed to rename directory Unsuccessful. I tried to download a new sdk from Google and install from scratch, did not work again. Here is the error. D:\~\res\values\styles.xml:7: error: Error retrieving parent for item: No resource found that matches the given name 'Theme.AppCompat.Light'. D:\~\res\values-v11\styles.xml:7: error: Error retrieving parent for item: No resource found that matches the given name 'Theme

I have searched through Stack Overflow as I know this is a common question, but none of the solutions seemed to work for me. This included cleaning my project, deleting all imports and deleting the project and starting again entirely. I am using the Eclipse specifically for android on mac (ADT bundle mac). Whenever I create a new project I have errors immediatley in my src folder on the line setContentView(R.layout.activity_main); and also on inflate. Any suggestions other than those stated? It is literally before I have done any programming so cannot understand what is wrong. EDIT: Fixed.

I have this structure for my android project: ProjectDir settings.gradle MyApp(depends on LibraryA and LibraryB) -->build.gradle -->All the other android code LibraryA (depends on LibraryB) -->build.gradle -->All the other android code LibraryB (Has lots of resources that are used in LibraryA and MyApp) -->build.gradle -->All the other android code I can compile the android app just fine using both eclipse and Android Studio. LibraryA imports the R file of LibraryB by doing " import com.LibraryB.R; " I also make use of com.LibraryB.R.layout.... type references in code and as long as I'm in the