{"id":1781,"date":"2022-08-30T15:19:23","date_gmt":"2022-08-30T15:19:23","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2013\/12\/02\/problem-about-r-java-file-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:19:23","modified_gmt":"2022-08-30T15:19:23","slug":"problem-about-r-java-file-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-r-java-file-collection-of-common-programming-errors\/","title":{"rendered":"problem about r.java-file-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/a9b3e0797197920e092ac16cf01898b1?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nDirkJan<br \/>\nandroid eclipse eclipse-plugin adt r.java-file<br \/>\nAfter upgrading to Android ADT version 22 and cleaning my project, the R.java files went missing. I can&#8217;t use setViewContent(R.layout.activity_main) because the activity cannot reference to the xml layout (due to the missing R.java). Also, when using the (ctrl + space) to get suggestions for setContentView, the code is not typed in. Upon looking at the error log, it shows that there was an &#8220;Unhandled event loop exception&#8221;. The plug-in involved is the org.eclipse.ui.Also, whenever I create a new<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/4e4661cfa2a938974fd2ad9c404dd2d7?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nDavid F<br \/>\njava android r.java-file<br \/>\nIm trying to read a text file from the raw folder in res using final Scanner input = new Scanner(new File(R.raw.xmlsource)).useDelimiter(&#8220;[\\\\;]+&#8221;); but it isn&#8217;t reading because of the resource id being int in R.java file, my code is belowEDIT Made some changes to my code below, still doesn&#8217;t run but using the debugger i can tell that it actually reads the file, the problem seems to be at String[] RssLinksArray = readLine.split(&#8220;[\\\\;]+&#8221;); where the code terminates, i can&#8217;t for the life of me figu<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/fb0da94b98f64b5b8f12caeb3a049b80?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nlaalto<br \/>\nandroid r.java-file<br \/>\nI get the following error on all R.java classes:Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructorI am using eclipse, and I did clean to no avail. Nothing seems to work.Does anyone know why this happens?Thanks<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/fcdaa233771f8678fc6e261bb69446c1?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nJonas<br \/>\nandroid eclipse adt generated-code r.java-file<br \/>\nI am doing the Notepad tutorial, exercise 2. I started by creating a new Android project and chose Create from source to import the downloaded source files for the excercise.But now I get many errors in Eclipse, and the problem is that there is no generated R.java class. How can I solve this? The folder gen\/ is empty.I have errors on Notepadv2.java and in res\/layout\/note_edit.xml and both seems to be related to the fact that the generated R.java is missing.Here is my import statements in Notepad<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/da5df0da11098f1b7a76a10670badaa9?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nr43r31<br \/>\njava android netbeans r.java-file<br \/>\nI&#8217;m doing this for a project in AP Computer Science.Basics: Mac OS X 10.5.8 NetBeans 7.0 Android SDK 3.0 (Level 11)So I&#8217;m trying out some of the Android API Demos in NetBeans (I prefer it over Eclipse) and I&#8217;m using samples\\android-11\\ApiDemos\\ for the source. The R.java file is not generating and &#8220;package R does not exist&#8221;. I&#8217;ve looked at other answers, and they say to Clean and Build the Project, but that option is grayed out in NetBeans (so are just the &#8220;Clean&#8221; and &#8220;Build&#8221; options). Any id<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/SDkow.jpg?s=32&amp;g=1\" \/><br \/>\nThe Dark Knight<br \/>\njava android r.java-file<br \/>\nHi I am a completely new to Android programming and the question I am asking might be something very simple, but I do not have any idea about how to make it work, so kindly bear with me.I installed android-sdk and related tools from the Android developer site. I followed their instructions to create a HelloWorld app, but I am getting some errors which I don&#8217;t understand.The file MainActivity.java is an auto generated file and I keep getting errors in this file in these places:@Override public vo<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2013-12-02 01:22:04. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>DirkJan android eclipse eclipse-plugin adt r.java-file After upgrading to Android ADT version 22 and cleaning my project, the R.java files went missing. I can&#8217;t use setViewContent(R.layout.activity_main) because the activity cannot reference to the xml layout (due to the missing R.java). Also, when using the (ctrl + space) to get suggestions for setContentView, the code is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1781","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1781","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=1781"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1781\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=1781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=1781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=1781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}