Questions tagged as 'eclipse'

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How to use debug in Eclipse?

I'm having a very annoying problem with a java.lang.NullPointerException error and I want to know if with debug it shows which element is null, rather than just saying what line the error is in.     
asked by 09.02.2014 / 00:10
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Error: R can not be resolved

I'm creating an Android project and am experiencing the following error in my IDE. package br.com.app; import android.R; public class MinhaApp extends Activity {      @Override      public void onCreate (Bundle savedInstanceState) {         ...
asked by 11.12.2013 / 17:51
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Error message: "java.lang.IllegalStateException: package not installed?"

Situation I'm getting this type of error in my logcat and I do not know exactly what it can be. Although this error is not compromising the functioning of the application (so it is perceived) being compiled from Eclipse , the project still...
asked by 26.08.2016 / 22:21
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Is there any Eclipse feature that includes "this." before any variable where this is implied?

Every time I see myself putting this. before variables that are class attributes in non-static methods. Does eclipse have any option that applies this to all source files?     
asked by 30.01.2014 / 20:22
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How to resolve the error - The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

I'm using Eclipse Mars.1 for Web development, I got this error by including a file JSP , The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path . I also have Tomcat 8 running on the PC.     
asked by 27.10.2015 / 23:01
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Error trying to run Eclipse: Java was started but return exit code = 13

After having HD changed, I downloaded and tried to run the eclipse and it returned the error: Java was started but return exit code =13 What is causing this error?
asked by 05.11.2014 / 00:11
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Creating JAR with Dependencies in Maven

I want to use Maven to generate the JAR with its dependencies in .jar format, the solutions I found are not valid. Eclipse has three ways to generate an executable JAR. Extract required libraries into gerenated JAR Package...
asked by 06.03.2014 / 13:08
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How to run Android projects in Eclipse on a smartphone?

I have a MotoG and by no means am I able to connect it (via USB) to Eclipse to run the Android Application projects directly on the device.     
asked by 11.02.2014 / 18:25
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IDE - Divergence between IDEs in relation to tab [ao Enter]

For reasons of hadware , I am the only one on my team who is using Sublime Text 3, the others are using Eclipse Luna or Mars, so far nothing. However since the exchange I have had some problems in the commit part, because my file...
asked by 19.08.2015 / 21:09
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How to crop an image from the gallery or photo taken by the camera, save and load an imageView

I would like to know how to crop an image from the gallery or photo taken by the camera, save and load a imageView , as I can do this for the intent gallery option, but for the camera option it returns me a data = null below...
asked by 04.02.2016 / 23:17