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Textview Cannot Be Resolved Or Is Not A Field


Getting "Unable to instantiate activity ComponentInfo{...}"? It's used for the menu in the Action Bar (which we don't use in the project). Is that file (activity_list_item.xml) in your res/layout directory? Recent Posts 4 Clever Smartphone Apps To Lower Your Power Bill Tips For Finding A Quality Airport Transport Service Carriers Halt Note 7 Replacement Programs My First Impressions Of The Universal http://optimisersonpc.com/cannot-be/cannot-be-resolved-or-is-not-a-field-java.html

The 'EditText' element looks like: In my class file in my android project, I have the following: public void doCalculation(View view) { String firstNo = ((EditText) share|improve this answer answered Jul 23 '11 at 12:02 Zwiebel 1,04231731 add a comment| up vote 1 down vote If none of the other answers work, you can always do this: This common issue is a beginner gotcha. Right click on the project name, select Build Path -> Configure Build Path and in Java Build Path, go to the tab Order and Export.

Textview Cannot Be Resolved Or Is Not A Field

When generating a new project in Eclipse, the generation fails: Here's a workaround that lets you keep Java 7 as the default but run ADT with Java 6 when you have That normally should be "activity_main" for the Crystal Ball project. Excluding the bin from the build path often resolves the problem. Reload to refresh your session.

  • Select "Android" on the left side and verify there are no "missing" libraries.
  • Getting "Unable to execute dex: Multiple dex files define" or "java.nio.BufferOverflowException"?
  • Before the -vmargs line, insert these two lines: -vm /System/Library/Frameworks/JavaVM.framework/Versions/1.6/Commands/java Read comments about the workaround which launches ADT with Java 6 instead in this bug report for this issue.
  • If there is a missing library project, remove that library and add the library into your project using the "Add" button.
  • GO OUT AND VOTE What movie is this?
  • For example if one of your android layout or menu XML files has an "android:id" specified that is incorrect such as "btn_foo" or "id/btn_foo" instead of the correct "@+id/btn_foo", you may
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  • See this stackoverflow post and this other one for more details.
  • It can happen pretty easily.

Emulator App running in emulator but no logs showing up in LogCat? In that case, as explained here, you need to clean your project by running Project => Clean... If the clean doesn't fix it then we'll have to look at the files in your res directory. (The R.java file is built from everything in the res directory.) Ziga Klemencic Edittext Android Ziga Klemencic 2,569 Points Ziga Klemencic Ziga Klemencic 2,569 Points almost 3 years ago i have the same problem but can't resolve it.

This will require you to have well-encapsulated business logic that is platform-independent (i.e. Not the answer you're looking for? Today's Topics Dream.In.Code > Programming Help > Mobile Development > Android id cannot be resolved or is not a field Page 1 of 1 New Topic/Question Reply 3 Replies - 3397 http://stackoverflow.com/questions/13089575/textview-cannot-be-resolved to R.layout.activity_main its error again and i fix it and it puts in activity_list_item.

Can you try changing the line to this: setContentView(R.layout.activity_main); And then clean your project with Project > Clean (from the Eclipse menu bar at the top). Cannot Resolve Symbol R Open "Window => Android Virtual Device Manager" Click "Edit" on your Virtual Device and verify "Intel x86" is selected for CPU Make sure not to close your emulator once it is However when generating with a lower minSDK, in order to maintain compatibility with older versions, you'll notice that the activity Java class (i.e src/.../MainActivity.java) extends from AppCompatActivity rather than the standard It sounds like there is an issue with your R.java file, which is generated when you build the project.

Cannot Resolve Symbol Button

For example, suppose we defined a layout XML with: android:id="@+id/etNewItem" android:layout_width="wrap_content" android:layout_height="wrap_content" /> Now suppose in the Activity code we write: http://spacetech.dk/eclipse-android-error-cannot-be-resolved-to-a-type.html tomball added the works as intended label Sep 9, 2015 tomball closed this Sep 9, 2015 Sign up for free to join this conversation on GitHub. Textview Cannot Be Resolved Or Is Not A Field How to decline a postdoc interview if there is some possible future collaboration? Android Studio Edittext Try a series of steps to fix: Look for errors in "Console" or "Problems" to resolve (usually invalid XML) Try running Project => Clean to regenerate the R file Try closing

Clean the Project Select Project => Clean and then either select "Clean all projects" or ensure the broken project is selected in the list. navigate here Check the res/drawable* files and make sure they are named appropriately (only lowercase letters, numbers and underscores) A more comprehensive guide to every possible way this error can crop up can The first is the lack of an import statement: import android.widget.EditText;. If that doesn't work, and the view appears to be properly cast to the correct type, then the resource mapping may simply be confused. Android Gettext

Expand all the groups displayed there. A number of methods/code will require you to extend Activity instead In this case you might want to try creating an activity instance. –Pete Oct 29 '12 at 1:27 add a That's the letter O and not zero. http://optimisersonpc.com/cannot-be/cannot-be-resolved-to-a-variable-in-jsp.html Select "Java Build Path" on the left side and select the tab "Libraries".

Is Area of a circle always irrational Dishwasher Hose Clamps won't open How difficult is it to practically detect a forgery in a cryptosystem? It seems like there might be an error there. Hope it helps.

Please help me.

I'm using onkeylistener, but it is showing error in the textedit part. If this error contains information about the java.lang.ClassNotFoundException then this usually means one the following issues: Please verify that every Activity is registered in your AndroidManifest.xml Check that you're Activity is Browse other questions tagged android or ask your own question. Expression evaluates numerically inside of Plot but not otherwise Is there a way to Export a layer/map list from AGOL Count trailing truths Ballpark salary equivalent today of "healthcare benefits" in

You might encounter this window "Organize Imports" when using the shortcut. For technology news, visit the technology news category, and for technology reference material, visit the technology section. Dishwasher Hose Clamps won't open How much time would it take for a planet scale Miller-Urey experiment to generate intelligent life Global.asax Application_Start not hit after upgrade to Sitecore 8.2 Is this contact form Browse other questions tagged android android-textview or ask your own question.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed If it is, try switching them to have an android: prefix. what am I doing wrong? One fix is to simply generate new projects with a minimum SDK of 14 instead.

Web Sites: Disneyland vs Disney World in the United States At delivery time, client criticises the lack of some features that weren't written on my quote. This problem will cause new Android projects not to generate an initial Activity, even when that box was checked. /src and /res/layout were empty. E.g. "Log cannot be resolved", "TextView cannot be resolved to a type" or something like This cannot be resolved to a type. Fixed by updating the Eclipse plugin: Eclipse > Help > Install New Software and enter the URL http://dl-ssl.google.com/android/eclipse/ into "Work with", make sure "Developer Tools" is checked and hit Finish.

Ensure that there are no "missing" libraries or folders on the build path. package com.example.crystalball; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.TextView; public class MainActivity extends Activity { private CrystalBall mCrystalBall = new CrystalBall(); @Override public void onCreate(Bundle savedInstanceState) I'm building an android game for school (I get the same error sometimes too.) Sometimes I tend to think android is still a relatively young OS just like the ADT is, imports a massive number of classes that you don't need.

D: Ziga Klemencic 2,569 Points Ziga Klemencic Ziga Klemencic 2,569 Points almost 3 years ago now i got 2 errors: setContentView(R.layout.activity_main); 2.getMenuInflater().inflate(R.menu.activity_main, menu); Ben Jakuben Treehouse Teacher Ben Jakuben Ben Jakuben Or select the first option in the dropdown "Import ‘TextView' (android.widget). Make sure you either give the TextView the same ID as in your code (text1) or update your code to match the ID from your layout file. I am running the library over a java file from an Android Studio project and I get a lot of these error messages error: MainActivity.java:3: The import android.app cannot be resolved

Locker Service: How to get the event target? "Carrie has arrived at the airport for two hours." - Is this sentence grammatically correct? My code is editText.setOnKeyListener(new OnKeyListener() { public boolean onKey(View view, int keyCode, KeyEvent keyevent) { //When "Enter" or "Search" Pressed) if ((keyevent.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { EditText editText Thanks Ben Jakuben Treehouse Teacher Ben Jakuben Ben Jakuben Treehouse Teacher 3y ago Your 'setContentView()' line is looking for R.layout.activity_list_item. I'm guessing you have menu.xml, in which case you need to revert that line to R.menu.main.

What files do you have in there?

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