android studio - tips, tricks & little known features

Android StudioTIPS, TRICKS & LITTLE KNOWN FEATURES

Andraž Pajtler

Android Studio First release 2013, final release and Eclipse plugin deprication 2014

Based on IntelliJ IDE Android Studio 2.1 (IntelliJ 15) Android Studio 2.2 (IntelliJ 16)

~ 2000 useful plugins from community

Shortcuts Intelijj is build with mouseless development in mind.

Shortcuts Cheat Sheet Mac Win/Linux

Mouseless Driven Development by Hadi Harirs (Jetbrains)

Master shortcut Shift + Ctrl + A (Ctrl + A for Win/Linux)

Search for all actions and options

Find Search everywhere Double Shift

File search Cmd + Shift + O (Ctrl + Shift + O for Win/Linux)

Class search Cmd + O (Ctrl + O for Win/Linux)

You don’t need to be very precise when searching; it will try to find the best result for all characters you wrote

Add :line_number on end to jump directly to this line

Symbol search Alt + Cmd + O (Shift + Ctrl + Alt + N for Win/Linux )

Search for variables, method names, classes…

Filter package and class name with a dot

Find in path (Preview tab) First 100 results

Easily move through them and see where your search result is in a broader context

Method/variable initialization/usage

Jump between Method/variable initialization/usage with Cmd + Click (Ctrl+ Click for Win/Linux)

Quick definition See variable, method, class definition without navigating away

Alt + Space (Shift + Ctrl +I for Win/Linux)

Smart type completion Basic completion Ctrl + Space

Smart type completion Ctrl + Shift + Space

Replacing method Confirming code completion with Enter vs. Tab

Replacing method - Enter

Replacing method – Tab

Surround With Cmd + Alt + T (Ctrl + Alt + T for Win/Linux)

Easy to surround a code block with if, while, for and other statements

Generate Cmd + N (Ctrl + N for Win/Linux)

Generate constructors, getters and setters, override methods…

ButterKnife plugin ButterKnifeZelezny

One-click creation of Butterknife view injections

Generate on layout reference (eg. R.layout.layout_name)

Live Templates Insert frequently-used or custom code constructs

Check included templates and create your own

Postfix code completion Cmd + J (Ctrl + J for Win/Linux) for listing all postfix code completion

Quick fix Alt + Enter

Typo fixes, changing method signature, adding imports,…

Performance tips #perfmatters

Exclude from auto-import Fragment, Handler, Date, …

Productivity Guide Help menu -> Productivity Guide

Useful productivity tips and counter how often are you using them

Toggle Case Toggle case with Shift + Cmd + U (Shift + Ctrl+ U for Win/Linux)

CamelCase plugin Shift + Alt + U Toggle between CamelCase, camelCase, snake_case and SNAKE_CASE

Multi cursor Add multiple cursors with Alt + Shift

Column Selection Mode Select code with middle mouse button pressed or enable in right mouse menu

Code selection and move Extend selection Cmd + ↑ (Ctrl + W for Win/Linux)

Shrink selection Cmd + ↓ (Shift + Ctrl + W for Win/Linux)

Move line Shift + Alt + ↑/↓

Move statement Cmd + Alt + ↑/↓ (Ctrl + Alt + ↑/↓ for Win/Linux )

Clipboard history Android Studio has it’s own clipboard history

Shift + Cmd + V (Shift + Ctrl + V for Win/Linux)

What does this button do?

Be like Dee Dee

Answer: Attach debugger Because the is icon bad it’s often overlooked Debugger can be attached to debuggable app at anytime

Scroll to file Useful for unordered drawables and layouts

Screen capture / record Directly from Android Studio

If Screen record button grey and un-clickable, device not supports video capture.

Run on multiple devices You can select multiple devices (Cmd/Ctrl + Click)

Doesn’t work with debug

Debugger – Thread and call stack Check if breakpoint stopped on UI or worker thread

Check other threads

Move back in call stack

Debugger – Custom object description Customize object debug description

Create custom object description

Create custom object description

Clean up after old versions (MacOS)

~/.AndroidStudioX.X

~/Library/Application Support/AndroidStudioX.X

~/Library/Caches/AndroidStudioX.X

Questions?