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Best Practices for Sharing Eclipse Launchconfigurations

This might be considered a minor thing, but I'm curious how you typicially solve following situation (if this is even a common use case): We have a project with dozens of practical Launch-Configurations for everyday use. Depending on which part of the application you work with, different launch configurations are interesting. To filter these, we use the favourite setting of eclipse. Those, who are needed where added to favourites, others removed.
Unfortunatly the favourite state is written within the launch configuration file, so SVN recognizes changing the favourite state as a change, when synchronizing a project. Since everyone usually needs different launch configurations at a specific time, this isn´t considered a desired behaviour.
Is there any way to work around this? How do you typically manage your launch configurations for a project?

It is recommended to share only a few and only very important launch configurations that are marked as to be displayed in a favorites menu (see Common tab in the launch configuration):
To add a shared launch configuration to the personal favorites menu, you have following options:
Add the shared launch configuration to the favorites menu but do not commit the changed .launch file
Duplicate the launch configuration and change Save As to Local File (see Common tab)
Wrap the shared launch configuration in a new Launch Group launch configuration
Alternatively, launch configurations can also be shared in a separate repository, outside of the associated project.

Android Studio: How to choose what to import from VCS

I'm using Android Studio 2.1, which is based on IntelliJ IDEA 2016.
If you select VCS -> Commit changes there's a nice dialog showing all the modified files and you are able to choose what to commit.
However when selecting VCS -> Update project there's no dialog. You have to update everything give or take.
I really miss eclipse's Team Syncronize perspective. It kicked ass compared to this, both for commiting and updating.
Is there a way of displaying a dialog to select which files to update? Or maybe some plugin? I'm getting tired of importing workspace metadata from other team members, or even broken builds when doing bulk updates. The only workaround seems to be looking at the incoming tab first, and then right click over the files you want, which is not very efficient as you have to expand their packages or parent folder first, and you might also need to manually refresh the incoming tab.

Yes that's a nice question but unforunately we have no ways First thing first to checkout documentation of IntelliJ IDEA 2016.1 Help given here but not in depth. As vcs-> update will update all files from remote branch and it will never provide you options because it is not implemented yet !!
Also see comments discussion on this answer they have talked about whole issue you have here the question asked little matching with yours is this which is the same having this discussion.
This is unlikely to be an issue with the Android tooling and more likely an issue with the underlying intellij idea software.
This is already discuss over here in google code issues :
https://code.google.com/p/android/issues/detail?id=184086
I have already tried to search plugin or help software but coudn't find one. :(

You just can add a .gitignore file for metadata.
Although, when you update your project it's a good practise to commit files before (and choose only those files you want to update).
Regards!

Eclipse local changes for project

I can view local history of a single file with History View. But I need to see local changes for projects. I found that for remote changes. I need the same thing but for local changes.

if you are connected to a repository then it must be simple, please follow the following steps.
Right click on the project-->select team-->select show history.
This should do it.
If you don't have one then(pretty sure its not possible for entire project) you must consider getting one, i personally think github is useful

Is it possible to save the workspace between different (Plugin) runs?

I want to manually test some features of a plugin I'm developing. To do so, it'd be nice to be able to create some projects in the test Eclipse instance and have them stay throughout all my testing season. At the moment it seems that Eclipse insists on clearing the Eclipse Plugin workspace. Is it possible to invert its default behavior?
Thanks

Open up the launch configuration for this launch
On the Main tab, unclick Clear so the workspace remains across launches (alternatively, you can select Ask for confirmation... so you can choose each time).
As far as I know, there is no way to mark this as the default.

Can you save groups of tabs in Eclipse so you can open them later?

I have several different processes within a single project that I work on. I am constantly opening and closing tabs(java files) in the code editor for that particular process. Each process almost always uses the same java files.
I was wondering if it is possible to save what files are opened as part of the working set so I can select what working set I want and have all the java files open that I will need to work with. Currently the working set just sets the tree to these files, but I am looking to also have it open the files I need.
I hope this makes sense...

Mylyn should be your answer here.
Mylyn is a task-focused interface for Eclipse that makes working with very large workspaces as easy as working with small ones.
Mylyn extends Eclipse with mechanisms for keeping track of the tasks that you work on.
Mylyn monitors your work activity on those tasks to identify information relevant to the task-at-hand. Mylyn monitors Eclipse and captures your interaction in a task context.
System artifacts such as files, types, methods, and fields get assigned a degree-of-interest based on how recently and frequently you interact with them.
This results in uninteresting elements being filtered from view within Eclipse, allowing you to focus in on what is important.
Following Saheed's answer, don't miss CodeKiller's comment:
You can
Activate the task to reopen all files and
Deactivate the task to close all the files.
Bookmarks (mentioned here by user1039663) is a valable alternative.

Eclipse provides multiple ways of structuring the IDE desktop:
Perspectives: Customization of the positions of open and closed views and editors. You can copy and rename existing perspectives like the Java perspective and suit them to your needs by customizing them. See the Window menu or right-click on the perspective icon in the upper right corner
Task Management Tools like Mylyn: see answer by VonC
Multiple Windows: You can open new windows and move them to your second monitor. Select Window > New Window to open a new window. Each window keeps track of its own open editors.
Multiple Instances of Eclipse: You can always use multiple workspaces and multiple instances of Eclipse. However, this is only recommended when working on different projects, as both instances would overwrite each others files when rebuilding.
Hotkeys: By using shortcuts like Ctrl-T and Alt-Left/Alt-Right and Ctrl-Q you can quickly jump to previous locations where you have edited source files. This is a great help in navigating the open workspace.

Extended VS Presentation provides capabilities to save sessions.
Unluckily, it only works with Eclipse 3.1 to 3.8:
Project page at Eclipse Marketplace

The accepted answer tells us which tool could be used but does not provide a quick and dirty explanation on how to use it.
In my case, I hadn't finished researching a large code base but I needed to save my progress so I could return to it later hence the need to save all open tabs using Mylyn.
If you already have Mylyn installed, navigate to Window -> Show View -> Task List to view the list of tasks. If you've never used it before, the list will be empty.
Right-click inside the Task List view then New -> Category to create a new category. Right-click again New -> Task to create a new task.
Double-click on the task you just created then click on the Context tab at the bottom left of the view.
Now navigate to each tab which you would like Mylyn to save by clicking on the tab name. Notice how an entry for the source file for that tab is added in Context tab of the Task List view.
Once you've cycled through all the tabs you'd like to save, you can confirm they were saved by closing each one and double-clicking the source file in the Task List to restore the tab.

I've edited this answer as per below comment (include essential parts of answer in this post).
Yes, you can save off groups of tabs in Eclipse by installing this Session Manager plug-in.
I've wanted this functionality in Eclipse as well. I recently wrote a feature and have been successfully using it for a few months now. It is a new OSGi type extension and works with Eclipse Neon and above.
Here's how to install it.
In Eclipse, go to Help → Install New Software
Click “Add”, enter a name like “Editor Sessions” and the following URL.
http://spillikinaerospace.com/eclipseInstall/
Unckeck “Group items by category” to see the feature.
Check the box that says “Editor Sessions Manager” and click Next.
Read and agree to the short license agreement.
Click the remaining install buttons.
Allow Eclipse to restart.
Full set of instructions are here: http://chrishull.com/projects/eclipse/
Please give it a try and send comments. I've found it a very useful tool as I work with several Eclipse projects at once and need to recall file groups.
Hope you enjoy it;
-Chris

In addition to all mentioned... Did you try Bookmarks? You can save multiple bookmarks into one set, there are bookmark sets management option and you can add descriptions with prefixes to group bookmarks on the same set. Finally and more important: you can select multiple bookmarks, select goto and multiple editors will be opened at once.

You need a Macro. Searching using this term at Eclipse plugin sites like eclipseplugincentral.com and so on must yield enough suggestions, for example Practically Macro. Good luck.