Eclipse does not show Tooltip - eclipse

I am Using Eclipse for android, I have installed SDK ADT bundle. While coding, some times I need to know description of Classes, Methods etc. When I hover my mouse over class, method definitions, it does not show the tooltip, after some time it begins to show it. This goes on and off. Can anyone help me solve this problem? Thanks!!

Go to Window > Preferences > Java > Editors > Hovers
select Combined Hover.
You can restart Eclipse for good measure.

Related

Can't see project explorer in STM32CubeIDE [duplicate]

Suddenly my project explorer window has disappeared from Eclipse. I try selecting Windows > Show View > Project Explorer, but nothing happens. What can I do?
Try Window --> Perspective --> Reset Perspective.... Remember that your own settings, if any, will also be reset.
Try to close Eclipse IDE and reopen it and
click on window->show view->project explorer
For me it was like this...
Window->Show View->Other->General->Project Explorer
Or
Window->Open Perspective->Other->Java (default)
Open Eclipse IDE
Enter "Project Explorer" on Quick Access (Search text box).
Either select from drop-down or press Enter
Window -> Perspective -> Reset
Reset the IDE
Window -> Show View -> Project Explorer
Select Window->Show View, if it is not shown there then select other. Under General you can see Project Explorer.
If none of the above solutions work, Try Window-> New Window
I had encountered the same problem as well. The following solution helped me to get over it:
Window -> Show View -> Package Explorer.
You can use the shortcut as well. It's Alt + Shift + Q, P
Using the latest Luna upgrade.
The only solution that worked was Window >> New Window.
It's very easy to lose that critical bar.
If you are on either Eclipse or Spring tool suite then follow the below steps.
(1) Go to 'Window' on the top of the editor. Click on it
(2) Select show view. You should see an option 'Project Explorer'. Click on it.
You should be able to do it.
Close the current perspective:
Reopen it using Window -> Open perspective.
i had also encountered this issue.
.
This Solution worked for me....
windows->navigation->maximize active View or Editor(ctrl + M)
.
in the screen you can see on left side navigation menus ... now click on those buttons one by one ....you will get your solution...
Try changing the perspective to JavaEE and then check.
Not sure if this is problem but, this ticked me off for a while since I did not realize what was happening at first - maybe this will help others.
Its not really a problem, just the way Eclipse works. (I'm use to Visual studio)
Its all about Perspectives!
I set up an (existing) PHP project in eclipse(neon) and then tried to configure and run debug. A Popup "Confirm Perspective Switch" is shown - I selected "Yes", not realizing what it actually does. The "perspective" then changes and you no longer see the project explorer anywhere. You cant "open" the project explorer window from top nav > window > show view, since its no longer there (which is BS, it should show something that gives you indication of current and other "perspectives" - at least for newbie.) No where now does it give project explore options.
Now you must change the "perspective" back from debug to PHP (at least in in my case).
This can be done a couple ways, easiest is from the icons on right top right side side. One icon would be the "bug", and next to it is the PHP icon. Just click the icon "perspective" you want. The other way is from top nav bar > window > Perspective > open Perspective, then select PHP. Could they hide this any deeper?
I know this is likely second nature to those who have used eclipse for a while, but was frustrating to me (on day one) till I figured out what was going on.
Please Select window in tool bar
Move to show view
Select project explorer
applied the same method to reset the perspective, no changes appaired then I restart the Eclipse IDE which was fine then.

Eclipse Package Explorer no longer collapsible

Version: Neon.2 Release (4.6.2)
Very straight-forward question - to my surprise I could not find an answer on here, or elsewhere.
This is what I see in my Eclipse IDE:
This is what I have seen until recently (circled in green):
(Yes - this image is not showing package explorer, this is cut from a random internet search pic)
How do I make the Package Explorer collapsible again?
Needing to fully close it for space, and then open it again later is a big pain.
If someone get the same problem, what I know so far is the reset perspective solution...
Window → Perspective -> Reset perspective...
This will save you many hours, believe me!
You can also do the reset, by right click the icon of the perspective type.
Option 1. Using the Window menu.
Option 2. Right click the perspective icon
(You might need to customize your perspective if you configured own settings, the reset perspective does not damage your workspace! See customize perspective to get an idea of what the settings are.)

Eclipse help box

I am using Eclipse to program Android apps and I love how the little helper box thing comes up when you start to type and suggests things to you.
However, this only happens sporadically and I was wondering if there was a way to keep it visible for longer or, even better, a key combo I could press to bring it up. If I start to type something, it either helps me by suggesting things or doesn't appear.
Try Ctrl+Space. The feature is known as "content assist," "code completion," "auto-complete." In the Visual Studio world, I think it's called "Intellisense."
If you want the suggestions to appear immediately (I prefer this) you can change the delay by going to Window → Preferences → Java → Editor → Content Assist and change the Auto activation delay to 0. In my version of Eclipse (Helios for Java EE), that field is third from the bottom.
An easier way of finding this preference screen is to use the search box in the upper-left-hand corner of the prefs (as before, Window → Preferences), and typing completion. From there you can see all of the different content assist preferences that Eclipse offers. Mine has Java, JavaScript, CSS, HTML, JSP, and XML - most of those because I'm using a fancier version of Eclipse.
By default, when writing Java code, the . (period) key triggers auto-activation of content assist. You can change this setting in the same screen as the auto-activation delay.
I think its Control+Space for Code completion. Try that
Also go easy with the code completion popup delay. Dont set it to 0, i remember a strange behaviour in Eclipse where there was no popup at all.
Ctrl+Space is the shortcut for Content Assist.
Ctrl+1 is the shortcut for Quick Fix.
Ctrl+2 is the shortcut for a menu of Quick Assists. (Ctrl+2, F is the shortcut for Quick Assist - Assign to var/field, and in place of F you can also type L or R for other options.)
To see and/or modify available shortcuts you can go to Window > Preferences > General > Keys.

Turn off tooltips in Eclipse / Aptana

I don't know if anyone has noticed that Eclipse has this annoying feature where it needs to show a useless tool-tip when hovering just about anything.
I was wondering if anyone knows of a way to completely kill all tool-tip behavior in Eclipse / Aptana?
Thanks
I found mine in Window > Preferences > Pydev > Editor > Hovers
It looks like it's a module-level feature (Java, Pydev, C++), not platform-level (Eclipse itself).
Window > Preferences > Java > Editors > Hovers
Disable Combined Hover.
I agree, hints can be really annoying, but there are times when they can be a really useful quick reference - like finding var values during debugging, or required parameter types for a method etc.
So instead of disabling them altogether, or continually enbaling/disabling through the Preferences, I go to Window > Preferences > Java > Editor > Hovers > Combined Hover, and add Alt to the Pressed key modifier while hovering field below.
This way if you want to quickly see hints just hold the Alt key down.
I was completely annoyed with Aptana's tip tool text over my code. I figured out how to disable it:
Window > Preferences > Aptana Studio > Content Assist > Show information on hover > Off
I'm using Aptana 3.
Another thing which really annoys me on Eclipse are the light bulbs in the left part which hide breakpoints, and which are really useless.
To suppress these, go to windows>preference>java>editor and then uncheck "Light bulb for quick assists".
If you dont have this on your eclipse version, try a help search with "light bulb".
This is the answer. Change the Windows regedit.
HKEY_CURRENT_USER ->Control Panel -> Mouse -> mouse -> MouseHoverTime
Change its value to be 400 (4 seconds delay)
http://untamedmind.wordpress.com/2008/11/08/changing-the-mousehovertime-add-delay-on-the-tooltips-pop-up/
Look for TweakUI settings, under Mouse > Hover. Minimize the sensitivity and increase the time and you will, in most cases, be fine.
Note that this is under windows. In any case, search for "hover" and you should be able to find the correct location. Good luck!

Eclipse IDE: How to zoom in on text?

I want the same behaviour Firefox has, when you use the scroll button in the mouse to zoom in and out on the current view.
Is there something like it for eclipse?
There is a project from a guy called 'tarlog' that made a plugin for eclipse at this google code site: http://code.google.com/p/tarlog-plugins/downloads/detail?name=tarlog.eclipse.plugins_1.4.2.jar&can=2&q=
It has some other features for eclipse, amongst which is Ctrl++ and Ctrl+- to change the font size, it's frickin' awesome.
Too late but it could be helpful :
Go to Window Menu > Preferences > General > Appearance > Colors and Fonts
then go to Java > Java Editor Text Font > Edit
The Eclipse-Fonts extension will add toolbar buttons and keyboard shortcuts for changing font size. You can then use AutoHotkey to make Ctrl+Mousewheel zoom.
Under Help | Install New Software... in the menu, paste the update URL (http://eclipse-fonts.googlecode.com/svn/trunk/FontsUpdate/) into the Works with: text box and press Enter. Expand the tree and select FontsFeature as in the following image:
Complete the installation and restart Eclipse, then you should see the A toolbar buttons (circled in red in the following image) and be able to use the keyboard shortcuts Ctrl+- and Ctrl+= to zoom (although you may have to unbind those keys from Eclipse first).
To get Ctrl+MouseWheel zooming, you can use AutoHotkey with the following script:
; Ctrl+MouseWheel zooming in Eclipse.
; Requires Eclipse-Fonts (https://code.google.com/p/eclipse-fonts/).
; Thank you for the unique window class, SWT/Eclipse.
#IfWinActive ahk_class SWT_Window0
^WheelUp:: Send ^{=}
^WheelDown:: Send ^-
#IfWinActive
Starting from tonight nightly build of 4.6/Neon, the Eclipse Platform includes a way to increase/decrease font size on text editors using Ctrl+ and Ctrl- (on Windows or Linux, Cmd= and Cmd- on Mac OS X) : https://www.eclipse.org/eclipse/news/4.6/M4/#text-zoom-commands . The implementation is shipped with any product using a recent build of the platform, and is more reliable that the one in the alternative plugins mentioned above.
It will be more widely available within weeks, when the IDE packages for Neon M4 will be available, and it will be part of the public Neon release in June 2016.
I've answered it here.
How can I change font size in Eclipse for Java text editors?
For Eclipse Neon
To Increase Ctrl +
To reduce Ctrl -
For Zoom In: CTRL + SHIFT + +
For Zoom Out: `CTRL + SHIFT + -
To zoom on Eclipse you can use : CTRL SHIFT + OR -
As per the recent changes you can use:
(1) Ctrl/Shift/(+) for Zoom-in
(2) Ctrl/Shift/(-) for Zoom-out
As mentioned in another answer, this plugin
http://code.google.com/p/tarlog-plugins/downloads/detail?name=tarlog.eclipse.plugins_1.4.2.jar&can=2&q=
makes Ctrl-+ and Ctrl-- zoom in and out. On MacOS that would be ⌘+ and ⌘-.
But at least on MacOS Lion and Eclipse Helios, ⌘- worked but not ⌘+ – no key combination (and I tried a bunch, including ⌘= and variants with Ctrl and Shift) would increase font size. However, by changing the key bindings, I was able to get it to work.
Preferences => General => Keys
Commands "Zoom Out" and "Decrease Font" were already set to ⌘- (and that seemed to work), so I set "Zoom In" and "Increase Font" to ⌘= (one of them was that and the other was ⌘+), and that worked.
go to Eclipse > Prefences > General > Appearance > Color and Fonts > Basic > Text Font
Font problem will resolved I guess.Dont need a any plugin for this.
Just by pressing Ctrl + Shift + '+' or '-'.
At least, it worked for me at Eclipse "2020-03" version.
Here is a cool way of ensuring zoom in and zoom out with mouse scroll-wheel in the Eclipse Editor. This one takes inspiration from the solution above from naveed ahmad which was not working for me.
1) First download Autohotkey from http://www.autohotkey.com/ and install it, then run it.
2) Then download tarlog-plugins from https://code.google.com/p/tarlog-plugins/downloads/list
3) Put the downloaded .jar file in the eclipse/plugins folder.
4) Restart Eclipse.
5) Add the following Autohotkey script, save it then reload it (right click on Autohotkey icon in taskbar and click "Reload this script")
; Ctrl + MouseWheel zooming in Eclipse Editor.
; Requires Tarlog plugins (https://code.google.com/p/tarlog-plugins/).
#IfWinActive ahk_class SWT_Window0
^WheelUp:: Send ^{NumpadAdd}
^WheelDown:: Send ^{NumpadSub}
#IfWinActive
And you should be done. You can now zoom in or zoom out with ctrl+mousewheel up and ctrl+mousewheel down. The only caveat is that Autohotkey must be running for this solution to work so ensure that it starts with Windows or run it just before firing Eclipse up. Works fine in Eclipse Kepler and Luna.
The googlecode fontsupdate does not work anymore unfortunately. You can however just download the code from github:
https://github.com/gkorland/Eclipse-Fonts
Just download it as .zip, and add it in eclipse:
Adding a local plugin
Then you have the familiar buttons again!
On Mac you can do
Press 'Command' and '+' buttons to zoom in.
press 'Command' and '-' buttons to zoom out.
Even more reliable than #mifmif :
Go to Window Menu > Preferences > General > Appearance > Colors and Fonts
then go to Basic.
This section has about 5 different fonts in it, all of which contain a size. If you go to an item in any other section (like Java > Java Editor Text Font as #mifmif suggested) the Edit Default and Go to Default buttons will be enabled. Clicking the latter takes you to the corresponding item in the Basic section. Clicking the former lets you edit that item directly.
Changing the Basic font items will handle not only Java text but just about every other text in Eclipse that can be resized, as far as I can tell.
Here's a quicker way than multi-layer menus without resorting to plug-ins:
Use the Quick Access tool at the upper left corner.
Type in "font", then, from the list that drops down, click on the link for "Preferences->Colors and Fonts->General->Appearance".
One click replaces the 4 needed to get there through menus. I do it so often, my Quick Access tool pulls it up as a previous choice right at the top of the list so I can just type "font" with a tap on the enter key and Boom!, I'm there.
If you want a keyboard shortcut, Ctrl+3 sets the focus to the Quick Access tool. Better yet, this even automatically brings up a list with your previous choices. The last one you chose will be on top, in which case a simple Ctrl+3 followed by enter would bring you straight there! I use this all the time to make it bigger during long typing or reading sessions to ease eye strain, or to make it smaller if I need more text on the screen at one time to make it easier to find something.
It's not quite as nice as zooming with the scroll wheel, but it's a lot better than navigating through the menus every time!
What I am doing is using the Windows 10 magnifier. Not the same as zooming on firefox, but it has been quite useful.
The tarlog plugin, combined with removing -Dorg.eclipse.swt.internal.carbon.smallFonts from eclipse.ini, helps my tired eyes on MacOS Yosemite with Eclipse Luna (4.4).
Problem: Didn't work for me for a PyDev foo.py Python file.
Workaround: Open a file named foo.java - change the font size. Go back to foo.py and voila!! - the python font size matches the java font size.