How to view method information in Android Studio

Question

In Eclipse  when you hover your mouse over a method  a window would appear with a description of what the method does  what the parameters mean and what it returns  Is there a way to get Android Studio to do the same thing

User · Answer

Android Studio 2 x x Moved under Editor -  General    Older Versions Using windows 7 and Android Studio 1 0 x it took me a while to figure out the steps provided in the answer  To help further visitors save some time  here is the way I did it  Go to File -  Settings or press CTRL ALT S  The following window will open and check Show quick doc on mouse move under IDE Settings -  Editor     Or just press CTRL and hover your move over your method  class

User · Answer

Yes  you can  Go to File - gt  Settings - gt  Editor - gt  Show quick documentation on mouse move   Or  in Mac OS X  go to Android Studio -  gt  Preferences - gt  Editor -  gt  General  gt  Show quick documentation on mouse move

User · Answer

Update Android Studio 4 1  amp  4 2  this checkbox has moved under Editor General Code Completion

User · Answer

On Mac the default key combination for showing the quick documentation is  CTRL   F1  The cursor has to be on the method when using this

User · Answer

The easiest and the most straightforward way   To activate  File   Settings   Editor   General   For Mac OS X  Android Studio   Preferences   Editor   General and check Show quick documentation on mouse move     Other ways    You can go into your IntelliJ s bin folder and search for idea properties  Add this line to the document   auto show quick doc true  Now you ll have the same floating docs window like in Eclipse   You have to press CTRL Q to see the Javadoc   You can pin the window and make the documentation appear every time you select a method with your mouse though      Android Studio 1 0  You have to hold CTRL if you want to get hold of documentation window for e g  scrolling documentation otherwise as you move your mouse away from method documentation window will disappear

User · Answer

I m using Visual Studio too much and I want to see params when I click on Ctrl Space that s why I m using Visual Studio keys  To change keymap to VS keymap

User · Answer

If you need only Parameter info then    On Mac  it s assigned to Command P  On Windows  it s assigned to Ctrl P     If you need document info then    On Mac  it s assigned to Command Q  On Windows  it s assigned to Ctrl Q

User · Answer

Macbook    J or fnF1 does the same  Also  use the one from the editor definition as explained above

User · Answer

Go to Preference- Editor- General and choose show quick doc on mouse hover

User · Answer

Many of the other answers are all well but if you want an informational tooltip instead of a fullblown window then do this  after enabling it using  Ahmad s answer then click on the little pin on the upper right corner    After this the method information will appear on a tooltip like almost every other mainstream IDE

User · Answer

If you just need a shortcut  then it is Ctrl   Q on Linux  and Windows   Just hover the mouse on the method and press Ctrl   Q to see the doc

User · Answer

On my Mac  CtrlF1 stopped working  but F1 on its own works

User · Answer

Android Studio 1 2 2 has moved the setting into the General subfolder of Editor settings

User · Answer

In addition to the answers here you might want to make sure that the documentation is downloaded   To do that go to SDK Manager    and then the SDK Tools tab and make sure Documentation for Android SDK is installed     If it isn t check the box and click Apply

User · Answer

It comes very handy if you create a keymap for functionalities you use very frequently  By default  if you select OSX 10 5  keymap       Ctrl P   To see what parameters are expected by the function Command J   To see the documentation  Ctrl Space   To see the autocomplete suggestions

[android-studio] How to view method information in Android Studio?

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