Android Studio shortcuts, Android studio shortcut keys Daquan

Android Studio is Google's Android development tool based on IntelliJ idea, a bit like Eclipse adt,android Studio that provides integrated Android development tools for development and debugging, based on Gradle build support.

Common shortcut keys for Android Studio

1. Ctrl+d: Collection copy and paste two operations, if there is a selected part of the copy of the selected section, and after the selected section
Paste it out, and if there is no selected part, copy the row where the cursor is located and paste it underneath the line.
2. Ctrl + SPACE: When you enter code, this key combination lists the classes, method names, member variables, and so on that match the function of the smart hint.
is as useful as editing an XML file.
3. CTRL + DOWN ARROW or CTRL + UP ARROW: When there is an auto-match drop-down list, this shortcut automatically closes the drop-down list,
The cursor moves to the next/previous line.
4. Automatic matching drop-down list of the arrangement of the switch: in the auto-match drop-down list has a "PI" icon in the lower right corner, click on the optional
Is by: The practicality, the alphabet two sorts way.
5. Ctrl + Slash, ctrl+shift+ slash:
CTRL + Slash: Comment or uncomment the current line or the selected code block as a double slash, i.e. "//"
ctrl+shift+ Slash: Comment or uncomment the selected code block and comment in "/*......*/" mode,
6. Ctrl+shift+enter: Automatic matching of the corresponding grammatical structure, such as if,do-while,try-catch structure.
7. Ctrl+f: Search
8. Ctrl + Period: In the auto-match drop-down list, select the first item
9. Exclamation point: In the auto-match drop-down list, the upper and lower keys select an item that returns a Boolean, and the exclamation point automatically takes the reverse:
Ctrl+enter: In the auto-match drop-down list, the first item is selected by default when no item is selected.
Ctrl+shift+a: Quickly find the menu in Android Studio.
CTRL + N: Quick Find class name, file
Ctrl+b: Jump directly to the definition of a class, method, member variable. Same as CTRL + Mouse left button effect
CTRL+ALT+B: Queries which classes implement the interface where the cursor is located.
Ctrl+alt+shift+i: Detects code, such as detecting variables or methods that are defined but not used. The purpose of detection is to improve code efficiency.
16.ctrl+alt+shift+n: Quickly open the input method or variable.
17.CTRL+SHIFT+F7: To highlight the form of some related things, here mainly by three cases: 1. When the cursor position is implement,
The class implements the method name of the interface to the flag out; 2. The position of the cursor in return, will mark the method of all exit places;
3. When the cursor is at the try or throws keyword, the statement that produces the exception is flagged.
18.shift+ Mouse scrolling: Enables horizontal scrolling of the editing interface.
19.ctrl+alt+v: When calling a method when the parameter passed in is a more complex expression, this key combination can be used to refactor the variable to simplify the complexity of the code.
Select the expression before you can combine the keys.
Ctrl+d: Compare two jar files, in the same project, select two jar files, press this key combination
21.ctrl+o: When a subclass wants to override a method of a parent class, press this key combination to display the methods of all the parent classes. Ctrl+i when the key combination of the interface corresponds.
22.ctrl+shift+i: Quick look at the method body, want to see how a method is implemented, you can move the cursor to the method, press this key combination.
23.CTRL+Q: Move the cursor to the method, press this key combination to quickly see the description of the method document.
24.ctrl+~: Toggle the editing interface style, shortcut key design
25.alt+shift+c: View Recent changes to the project.
26.ctrl+e: Quickly view open files that have been opened recently.
27.shift+f6: You can rename classes, methods, and variables, and the names will be updated automatically when you use them.
28.ALT+F1: Quickly open project view, structure view, and more to see the appropriate elements.
29.ctrl+alt+f7: View the usage of a class, method, member variable throughout the project.
30.ctrl+shift+ Spaces: Lists the method name, member variable name of the type match, when the parameter is assigned or is passed in the method.
31.ctrl+alt+t: Select a piece of code, press this key combination, you can quickly add if, for, Try/catch and other statements.
32.ctrl+tab: Open the Interface Toggle window, hold down the CTRL key, and select the appropriate window to open.
33.ctrl+w: The word where the cursor is located (a member variable or a method name) is selected, and a multiple press will select the statement that contains the
Press one more time to select the code block you are in ... Each increment, in turn, expands the range of the selected level.

ALT + ENTER import package, auto fix

ctrl+n    Find class
Ctrl+shift+n find file
ctrl+alt+l   format code
Ctrl+alt+o optimize imported classes and packages
Alt + Insert generates code (such as Get,set method, constructor, etc.)
Ctrl+e or alt+shift+c   recently changed code
Ctrl+r Replace text
ctrl+f find text
Ctrl + Shift+space Auto-complete code
CTRL + SPACE code hint
Ctrl+alt+space class name or interface name hint
Ctrl+p method parameter hint
Ctrl+shift+alt+n find a method or variable in a class
ALT+SHIFT+C Compare recently modified code

shift+f6   Refactoring-rename
ctrl+shift+ first key
ctrl+x Delete Row
ctrl+d copy line
ctrl+/or ctrl+shift+/   Comments (//or/*...*/)
ctrl+j   Automatic code
Ctrl+e recently opened Files
Ctrl+h show class map
Ctrl+q Display the comment document
Alt+f1 find code location
alt+1 quickly open or hide the project panel
ctrl+alt+ Left/right return to the location you last viewed
ALT + Left/right Toggle Code View
ALT + Up/down quickly move the anchor between methods
Ctrl+shift+up/down code moves up/down.
F2 or SHIFT+F2 highlighting error or warning quick positioning

Code label When you are finished, press TAB to generate the code.
Select the text, press CTRL+SHIFT+F7, highlight all the text, and press ESC to highlight the disappear.
Ctrl+w Check the code, continue to have other effects
Select the text, press ALT+F3, look down the same text, and highlight.
Ctrl+up/down cursor jumps to the first or last line
Ctrl+b quickly opens the class or method at the cursor  

Most frequently used shortcut keys
1.ctrl+e, you can display a list of recently edited files
2.shift+click can close a file
3.ctrl+[or you can jump to the beginning of the curly brace and end with
4. Ctrl+shift+backspace can jump to the last edited place
5.ctrl+f12, you can display the structure of the current file
6.ctrl+f7 can query the current element's reference in the current file, and then press F3 to select
7.ctrl+n , you can quickly open the class
8.ctrl+shift+n, you can quickly open the file
9.alt+q you can see the declaration of the current method
10.ctrl+w can select the word followed by the statement followed by the function
11. ALT+F1 you can position the element you are editing in each panel by positioning
12.ctrl+p, you can display the parameter information
13.ctrl+shift+insert you can select the Clipboard contents and insert
14.alt+insert to generate the constructor/ Getter/setter such as
15.ctrl+alt+v can introduce variables. For example, the parentheses in the SQL is assigned a variable
16.ctrl+alt+t can put the code inside a block, such as Try/catch
17.alt+up and Alt+down can be moved quickly between methods

The following is not very useful
18. In some places press Alt+enter to get some intention Action, such as change "= =" to "Equals ()"
19. Ctrl+shift+alt+n can quickly open the symbol
20.ctrl+shift+space can give smart hints many times
21.alt+f3 can quickly find
22.ctrl+/and ctrl+shift+/ You can annotate the code
23.ctrl+alt+b can jump to an implementation of an abstract method
24.ctrl+o can select a method of the parent class to override
25.ctrl+q can see Javadoc
26. Ctrl+alt+space is the class name auto-complete
27. When you open a class/file/symbol quickly, you can use wildcards or abbreviations
28.Live templates! Ctrl+j
29.ctrl+shift+f7 can highlight the current element's use in the current file
30.ctrl+alt+up/ctrl+alt+down can quickly jump to search results
31.ctrl+shift+j can integrate two lines
32.alt+f8 is a calculated variable value