On creating a new android project source folder is empty [closed] - android

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When I create a new project with API level 8 the project is created with no errors but the src folder is empty. Please, help with my problem.....click here to see the screenshot

Right button click on src folder, select New -> Java Class and start working

When create new project, please make sure you have check in Create activity like this.

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How to rename an activity? [closed]

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How to rename an activity in Android Studio.
If you are using Android Studio, then it is very simple to refactor the Activity name by simply,
right click on activity name
Go to Refactor
Go to Rename
Select all checkbox of the popup and rename
Then press Refactor
I hope, it will work for you :)

Changing . apk file using jar file [closed]

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I want to change one class in my . apk. I create jar file using dex2jar , but now i have not idea what do with that jar to be able to change code in Eclipse and than recreate .apk file.
I request you yo go through following link....
http://code.google.com/p/dex2jar/wiki/ModifyApkWithDexTool

How do I manage this android database [closed]

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So how di I manage a Android database which isn't even located in the assets folder. I followed this tutorial, and it's great, but what if I want to delete and add information to tables manually?
http://www.java2s.com/Code/Android/Database/Createdeleteupdate.htm
You can use other software to modify you Database simply by opening the assets file with that software.
Here is SQLite Expert that is recommended for modifying your Database

how to create sample library projects in android [closed]

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what are the steps to create library projects in android?
Now I am in beginning stage , and don't know what are the things to do. Can any one provide me any sample link that contains steps in creating sample library projects?
This will help you.
http://www.vogella.com/articles/AndroidLibraryProjects/article.html

Android Contacts [closed]

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I have a java code for contacts app in Android and it needs a package named
import com.google.android.collect.Maps;
I am not able to figure out how to include this in eclipse so that I can go ahead working with this app.
See Adding an External Library (.jar) using Eclipse: http://developer.android.com/guide/appendix/faq/commontasks.html#addexternallibrary
It seems that this comes from a cut of Google Guava Library.
Source code here:
https://github.com/android/platform_frameworks_base/tree/master/core/java/com/google/android/collect

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