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Gradle and Android Studio
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Fede
September 25, 2014
Programming
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Gradle and Android Studio
Info and tips of Gradle and Android Studio
Fede
September 25, 2014
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Transcript
Info and tips for Gradle and Android Studio
Google Plus plus.google.com/+FedeFdez Twitter @FedeProEx Web projectsexception.com
Eclipse / Ant Maven Gradle Android Build System
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Single Build System Build from command line or your IDE
Default folder structure Tasks for build, test, install,...
Simplify AndroidManifest Version code and version name Package identifier Minimum
and target sdk Placeholder support
Build Types Debug, release and your owns Add application id
and name suffixes Signing Configurations Running proguard
Dependency Management Local packages Build type specific dependency No need
to distribute the dependencies Multi project support
None
1 android { 2 compileSdkVersion 19 3 buildToolsVersion '19.0.0' 4
5 defaultConfig { 6 applicationId 'com.example.app' 7 versionCode 12 8 versionName '2.0' 9 minSdkVersion 16 11 targetSdkVersion 16 12 } 13 } Simplify Manifest
1 android { 2 buildTypes { 3 debug { 4
applicationIdSuffix '.debug' 5 versionNameSuffix '-debug' 6 } 7 release { 8 runProguard true 9 proguardFiles 'file1.pro', 'file2.pro' 10 signingConfig signingConfigs.mySignConfig 11 } 12 } 13 } Build Types
1 android { 2 signingConfigs { 3 mySignConfig { 4
storeFile = file(project.property('file')) 5 storePassword = project.property('password') 6 keyAlias = project.property('keyAlias') 7 keyPassword = project.property('keyPassword') 8 // Command line or environment variable 9 // System.console().readLine("\n\$ Password: ") 10 // System.getenv("KEYSTORE") 11 } 12 } 13 } Signing Config
1 dependencies { 2 // All jar in libs folder
3 compile fileTree(dir: 'libs', include: ['*.jar']) 4 // Dependency from repository 5 compile 'com.android.support:support-v4:20.0.0' 6 // Library project in same folder 7 compile project(':library-project') 8 // Dependency for release build 9 releaseCompile 'com.google.code.gson:gson:2.3' 10 } Dependencies
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Flavors Application variants Same type as the android.defaultConfig Flavor specific
dependencies Build Type + Product Flavor = Build Variant
Multi-Flavors Distinct dimensions Flavors are assigned to a specific dimension
Combine dimensions to create de app
1 flavorDimensions 'type', 'store' 2 productFlavors { 3 full {
4 flavorDimension 'type' 5 } 6 lite { 7 flavorDimension 'type' 8 } 9 amazon { 10 flavorDimension 'store' 11 } 12 play { 13 flavorDimension 'store' 14 } Flavors fullAmazonDebug fullAmazonRelease liteAmazonDebug liteAmazonRelease fullPlayDebug fullPlayRelease litePlayDebug litePlayRelease
Source Sets Build Types and Product Flavors have their own
sourceSet src/main, src/<buildType1>, src/<flavor1>,... Source code (src/*/java) generate a single output Manifests are all merged Resources using priority: BuildType > Flavor > Main
1 <manifest> 2 <application> 3 <activity> 4 <!-- --> 5
</activity> 6 </application> 7 </manifest> Manifest Merge 1 <manifest> 2 <uses-permission> 3 </manifest> 1 <manifest> 2 <uses-permission> 3 <application> 4 <activity> 5 <!-- --> 6 </activity> 7 </application> 8 </manifest> 1 2 3
Gradle + Android Studio
Android Studio vs Eclipse AS Eclipse Build system Gradle Ant
Maven-based build dependencies Yes No Build variants and multiple-APK generation Yes No Advanced Android code completion and refactoring Yes No Graphical layout editor Yes Yes APK signing and keystore management Yes Yes NDK support Soon Yes
Some Features An IDE built for Android Gradle integration IntelliJ
IDEA is the base for Android Studio Preview resources (drawables, strings,...) Advanced layout editor (includes, xml drawables) Templates
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Resources tools.android.com/tech-docs/new-build-system/user-guide plus.google.com/+PhilippeBreault github.com/keyboardsurfer/idea-live-templates stackoverflow.com/questions/tagged/gradle+android
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