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Questions tagged [r.java-file]

R.java is a file which holds references to project resources. It is automatically generated by the Android Development Toolkit during project compilation.

R.java is auto-generated on build. Its content is based on the resource files (including layouts and preferences). If you delete it, it will be recreated, but if you create your own, you will get into trouble as the build system will not replace it.

625 questions
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R.java was modified manually?

while updating code I got this error ? R.java was modified manually! Reverting to generated version! any one have idea about it?
CoDe
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Eclipse r.java build failure

Been searching for quite a while and have yet to stumble across a solution on this site or others. For some reason (even after a fresh install of the eclipse/ADK tools) the r.java file is not generating. Even when a new project is created there is…
user1846567
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R.java cannot be generated

Possible Duplicate: No generated R.java file in my project I am trying to run the project of CyanogenMod / android_packages_apps_Gallery I download the project from here: https://github.com/CyanogenMod/android_packages_apps_Gallery Unfortunately,…
mobile app Beginner
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Java code for closing a file that is open in java(TM) platform SE binary

I have java code in my application for deleting a file i.e nameOffile.delete(). As I try to delete the file I get an error: The action can not be completed because the file is open in Java (TM) Platform SE binary. Close the file and try again. I…
Gregory
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R.java having 2 members with same name layout

I may be asking a lame question but I am new to android and I cannot find the solution to this problem. When I opened R.java file in my computer to know about how setContentView(R.layout.activity_main) works. So I opened my R.java file and simply…
NirajT
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Error in R file after using "=" as an id for a TextView

When I was working on my layout file, I named by accident a TextView with '='. I renamed the widget with another valid id but after a build, I have an error in my R.java file : public static final class id { public static final int…
Rida
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R.java error .. gen folder file is not generating

R.java error .. gen folder file is not generating in android environment. I tried clean and build. Android target version and everything goes fine. Recreated the project. Restarted eclipse . But, still its in R.java error. How to solve it.. please…
Roney Francis
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Cannot resolve symbol 'R' please help me

public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Toolbar toolbar =…
sairam
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Android Programming with Java, how to use R.id

studio to create an android app that adds a string from an editText with an id of input and displays it into textView with an id of output. But EditText input = EditText(findViewById(R.id.input)); and TextView output =…
user5327424
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remoteViews.setOnClickPendingIntent(R.id.widget, pendingIntent);

I bought the shittiest book "EVER" to learn android programming. It's the : Android App Development For Dummies, 3rd Edition I assure you, it's not for "dummies"! My question is: (This is a part of a widget…
user4938227
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how to solve R.java id on android

I added an ID like this android:id="id/user name" with a space and now I have a compiler error in my R.java file. This is the report…
Eric Tondelli
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How to link images in android application?

I am creating an android application. I have added four images each to be given four separate links, now when I am trying to link the images as per the below code, i am getting errors. Please guide me. ImageView img =…
user3782571
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Fields keep disappearing in R.java

This is the story. I had a bunch of problems with R.java and i'm finally solving them. R.Java didn't regenerate until i created a new project and copied the old codes in the new one and finally R.java wanted to regenerate and keep in my project when…
Slipfreak900
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"variable" cannot be resolved to a variable

I am trying to follow a tutorial in creating an xmpp chat. However, it kept showing "R cannot be resolved to a variable". After I inserted import.android.R, the error moved to all variables. SAying that all variables cannot be resolved to a…
elvirachrisanty
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Fixing string name in eclipse

I've just started programming for Android in Eclipse. I used polish letter "ą" in string name and now compiler returns error, since it doesn't know "ą". Unfortunately I can't change the name of this string or delete it. Whenever I try, the system…
Vardens Archangel
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