Thursday 18 October 2012

Eclipse Shortcuts


Eclipse Keyboard Shortcuts


1)      Ctrl + T for finding class even from jar

This keyboard shortcut in Eclipse is my most used and favorite shortcut. While working with high speed trading system which has complex code I often need to find classes with just blink of eye and this eclipse keyboard shortcut is just made for that. No matter whether you have class in your application or inside any JAR, this shortcut will find it.

2)      Ctrl + R for finding any resource (file) including config xml files

This is similar to above Eclipse shortcut with only difference that it can find out not only Java files but any files including xml, configs and many others, but this eclipse shortcut only finds files from your workspace and doesn’t dig at jar level.

3)      Ctrl + 1 for quick fix

This is another beautiful Eclipse shortcut which can fix up any error for you in Eclipse. Whether it’s missing declaration, missing semi colon or any import related error this eclipse shortcut will help you to quickly short that out.

4)      Ctrl + Shift + o for organize imports

Another Eclipse keyboard shortcut for fixing missing imports. Particularly helpful if you copy some code from other file and what to import all dependencies.

Eclipse Shortcut for Quick Navigation

In this section we will see some eclipse keyboard shortcut which helps to quickly navigate within file and between file while reading and writing code in Eclipse.

7) Ctrl + o for quick outline going quickly to method
9) Alt + right and Alt + left for going back and forth while editing.
12) Alt + Shift + W for show in package explorer
13) Ctrl + Shift + Up and down for navigating from member to member (variables and methods)
15) Ctrl + k and Ctrl + Shift +K for find next/previous
24) Go to a type declaration: F3, This Eclipse shortcut is very useful to see function definition very quickly.


Eclipse Shortcut for Editing Code

These Eclipse shortcuts are very helpful for editing code in Eclipse.
5) Ctrl + / for commenting, un commenting lines and blocks
6) Ctrl + Shift + / for commenting, un commenting lines with block comment
8) Selecting class and pressing F4 to see its Type hierarchy
10) Ctrl + F4 or Ctrl + w for closing current file
11) Ctrl+Shirt+W for closing all files.
14) Ctrl + l go to line
16) Select text and press Ctrl + Shift + F for formatting.
17) Ctrl + F for find, find/replace
18) Ctrl + D to delete a line
19) Ctrl + Q for going to last edited place


Miscellaneous Eclipse Shortcuts

These are different Eclipse keyboard shortcuts which doesn’t fit on any category but quite helpful and make life very easy while working in Eclipse.

20) Ctrl + T for toggling between super type and subtype
21) Go to other open editors: Ctrl + E.
22) Move to one problem (i.e.: error, warning) to the next (or previous) in a file: Ctrl +. For next, and Ctrl +, for previous problem
23) Hop back and forth through the files you have visited: Alt + ? and Alt + ?, respectively.
25) CTRL+Shift+G, which searches the workspace for references to the selected method or variable
26) Ctrl+Shift+L to view listing for all Eclipse keyboard shortcuts.
27) Alt + Shift + j to add javadoc at any place in java source file.
28) CTRL+SHIFT+P to find closing brace. Place the cursor at opening brace and use this.
29) Alt+Shift+X, Q to run Ant build file using keyboard shortcuts in Eclipse.
30) Ctrl + Shift +F for Autoformating.

Show/Hide android soft keybord in android



// SHOW KEYBOARD
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,0);

// HIDE KEYBOARD
InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(view.getWindowToken(),0);

OR
// HIDE KEYBOARD
                        InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
                        imm.toggleSoftInput(InputMethodManager.HIDE_NOT_ALWAYS,0);