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  • An Overview of Gradle in Android Studio - Techotopia
    level Gradle build file This file is listed as build gradle Project project name and can be found in the project tool window as highlighted in Figure 56 1 Figure 56 1 By default the contents of the top level Gradle build file read as follows Top level build file where you can add configuration options common to all sub projects modules buildscript repositories jcenter dependencies classpath com android tools build gradle 1 0 0 NOTE Do not place your application dependencies here they belong in the individual module build gradle files allprojects repositories jcenter As it stands all the file does is declare that remote libraries are to be obtained using jcenter repository and that builds are dependent on the Android plugin for Gradle In most situations it is not necessary to make any changes to this build file Module Level Gradle Build Files An Android Studio application project is made up of one or more modules Take for example a hypothetical application project named GradleDemo which contains two modules named Module1 and Module2 respectively In this scenario each of the modules will require its own Gradle build file In terms of the project structure these would be located as follows Module1 build gradle Module2 build gradle By default the Module1 build gradle file would resemble that of the following listing apply plugin com android application android compileSdkVersion 21 buildToolsVersion 21 1 2 defaultConfig applicationId com ebookfrenzy gradledemo module1 minSdkVersion 19 targetSdkVersion 21 versionCode 1 versionName 1 0 buildTypes release minifyEnabled false proguardFiles getDefaultProguardFile proguard android txt proguard rules pro dependencies compile fileTree dir libs include jar compile com android support appcompat v7 21 0 3 dependencies compile fileTree dir libs include jar compile com android support appcompat v7 19 As is evident from the file content the build file begins by declaring the use of the Gradle Android plug in apply plugin com android application The android section of the file then states the version of both the SDK and the Android Build Tools that are to be used when building Module1 android compileSdkVersion 21 buildToolsVersion 21 1 2 The items declared in the defaultConfig section define elements that are to be generated into the module s AndroidManfest xml file during the build These settings which may be modified in the build file are taken from the settings entered within Android Studio when the module was first created defaultConfig applicationId com ebookfrenzy gradledemo module1 minSdkVersion 19 targetSdkVersion 21 versionCode 1 versionName 1 0 The buildTypes section contains instructions on whether and how to run ProGuard on the APK file when a release version of the application is built buildTypes release runProguard false proguardFiles getDefaultProguardFile proguard android txt proguard rules pro As currently configured ProGuard will not be run when Module1 is built To enable ProGuard the runProguard entry needs to be changed from false to true The proguard rules pro file can be found in the module directory of the project Changes made to this file override the

    Original URL path: http://www.techotopia.com/index.php/An_Overview_of_Gradle_in_Android_Studio (2016-02-13)
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  • An Android Studio Gradle Build Variants Example - Techotopia
    To switch mode click on the Android menu at the top of the Project tool window and select Project from the list of options as outlined in Figure 58 3 Figure 58 3 Within the Project tool window right click on the BuildExample app src directory and select the New Directory menu option and create a new directory named phone res layout Right click once again on the src directory this time adding a new directory named phone res values Repeat these steps this time naming the new directories tablet res layout and tablet res values Once complete the module section of the project structure should resemble that of Figure 57 4 Figure 57 4 Adding Resource Files to the Flavors Each flavor is going to need to contain a copy of the activity s activity build example xml and strings xml resource files Each copy will then be modified to meet the requirements of the respective flavor Within the Project tool window navigate to the app src main res layout activity build example xml file and double click on it to load it into the Designer tool With the tool in Design mode double click on the background of the screen layout and specify layout as the id of the relative layout view eBookFrenzy com Purchase the fully updated Android 6 Edition of this Android Studio Development Essentials publication in eBook 9 99 or Print 38 99 format Android Studio Development Essentials Android 6 Edition Print and eBook ePub PDF Kindle editions contain 65 chapters In the Project tool window right click on the activity build example xml file and select the Copy menu option With the file copied right click on the src phone res layout folder and select the Paste menu option to add a copy of the file to the folder Within the Copy dialog click on OK to accept the defaults Using the same technique add a copy of the src main res values strings xml file to the src phone res values folder Once the resource files have been added edit the strings xml file in the phone flavor to change the hello world string resource as follows xml version 1 0 encoding utf 8 resources string name app name BuildExample string string name hello world This is the phone flavor string string name action settings Settings string resources Change the Build Variant setting to tabletDebug and copy and paste the phone activity build example xml and strings xml files to the corresponding locations in the tablet res layout and res values folders respectively Edit the tablet flavor strings xml file so that the hello world string resource reads This is the tablet flavor and modify the layout in the activity build example xml layout file so that the TextView is positioned in the center of the display With the changes made the flavor section of the project structure should now match that of Figure 57 5 Figure 57 5 Testing the Build Flavors

    Original URL path: http://www.techotopia.com/index.php/An_Android_Studio_Gradle_Build_Variants_Example (2016-02-13)
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  • Android Studio Development Essentials - Techotopia
    Overflow Menu Creating an Overflow Menu Displaying an Overflow Menu Responding to Menu Item Selections Creating Checkable Item Groups Creating the Example Project Modifying the Menu Description Modifying the onOptionsItemSelected Method Testing the Application Animating User Interfaces in Android Studio using the Transitions Framework Introducing Android Transitions and Scenes Using Interpolators with Transitions Working with Scene Transitions Custom Transitions and TransitionSets in Code Custom Transitions and TransitionSets in XML Working with Interpolators Creating a Custom Interpolator Using the beginDelayedTransition Method An Android Studio Transition Tutorial using beginDelayedTransition Creating the Android Studio TransitionDemo Project Preparing the Project Files Implementing beginDelayedTransition Animation Customizing the Transition Implementing Android Scene Transitions An Android Studio Tutorial An Overview of the Scene Transition Project Creating the Android Studio SceneTransitions Project Identifying and Preparing the Root Container Designing the First Scene Designing the Second Scene Entering the First Scene Loading Scene 2 Implementing the Transitions Adding the Transition File Loading and Using the Transition Set Configuring Additional Transitions An Overview of Intents in Android Studio An Overview of Intents Explicit Intents Returning Data from an Activity Implicit Intents Using Intent Filters Checking Intent Availability Android Explicit Intents An Android Studio Example Creating the Explicit Intent Example Application Designing the User Interface Layout for ActivityA Creating the Second Activity Class Designing the User Interface Layout for ActivityB Reviewing the Application Manifest File Creating the Intent Extracting Intent Data Launching ActivityB as a Sub Activity Returning Data from a Sub Activity Testing the Application Android Implicit Intents An Android Studio Example Creating the Android Studio Implicit Intent Example Project Designing the User Interface Creating the Implicit Intent Adding a Second Matching Activity Adding the Web View to the UI Obtaining the Intent URL Modifying the MyWebView Project Manifest File Testing the Application Broadcast Intents and Broadcast Receivers in Android Studio An Overview of Broadcast Intents An Overview of Broadcast Receivers Obtaining Results from a Broadcast Sticky Broadcast Intents The Broadcast Intent Example Creating the Example Application Creating and Sending the Broadcast Intent Creating the Broadcast Receiver Configuring a Broadcast Receiver in the Manifest File Testing the Broadcast Example Listening for System Broadcasts Android Threads and Thread Handlers An Android Studio Tutorial An Overview of Threads The Application Main Thread Thread Handlers A Basic Threading Example Creating a New Thread Implementing a Thread Handler Passing a Message to the Handler Understanding Android Started and Bound Services Started Services Intent Service Bound Service The Anatomy of a Service Controlling Destroyed Service Restart Options Declaring a Service in the Manifest File Starting a Service Running on System Startup Implementing an Android Started Service in Android Studio Creating the Example Project Creating the Service Class Adding the Service to the Manifest File Starting the Service Testing the IntentService Example Using the Service Class Creating the New Service Modifying the User Interface Running the Application Creating a New Thread for Service Tasks Implementing Local Bound Services in Android Studio Understanding Bound Services Bound Service Interaction Options An Android Studio Local Bound Service Example Adding

    Original URL path: http://www.techotopia.com/index.php?title=Android_Studio_Development_Essentials&oldid=21127 (2016-02-13)
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  • Pages that link to "Android Studio Development Essentials" - Techotopia
    Basics of the Android Studio Code Editor links An Overview of the Android Architecture Android Studio links The Anatomy of an Android Studio Android Application links Understanding Android Application and Activity Lifecycles Android Studio links Handling Android Activity State Changes in Android Studio links Android Activity State Changes An Android Studio Example links Saving and Restoring Activity State in Android Studio links Understanding Android Views View Groups and Layouts in Android Studio links A Guide to the Android Studio Designer Tool links Designing a User Interface using the Android Studio Designer Tool links Using the Android GridLayout Manager in Android Studio Designer links Working with the Android GridLayout using XML Layout Resources links An Overview and Android Studio Example of Android Event Handling links Android Touch and Multi touch Event Handling in Android Studio links Detecting Common Gestures using Android Studio and the Gesture Detector Class links Implementing Android Custom Gesture Recognition with Android Studio links An Introduction to Using Fragments in Android Studio links Using Fragments in Android Studio An Example links An Android Studio Master Detail Flow Tutorial links Creating and Managing Overflow Menus in Android Studio links Animating User Interfaces in Android Studio using the Transitions Framework links An Android Studio Transition Tutorial using beginDelayedTransition links Implementing Android Scene Transitions An Android Studio Tutorial links An Overview of Intents in Android Studio links Android Explicit Intents An Android Studio Example links Android Implicit Intents An Android Studio Example links Broadcast Intents and Broadcast Receivers in Android Studio links Android Threads and Thread Handlers An Android Studio Tutorial links Understanding Android Started and Bound Services links Implementing an Android Started Service in Android Studio links Implementing Local Bound Services in Android Studio links Android Remote Bound Services An Android Studio Tutorial links An Overview of Android SQLite Databases

    Original URL path: http://www.techotopia.com/index.php/Special:WhatLinksHere/Android_Studio_Development_Essentials (2016-02-13)
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  • Android Studio Development Essentials - Techotopia
    Method Testing the Application Animating User Interfaces in Android Studio using the Transitions Framework Introducing Android Transitions and Scenes Using Interpolators with Transitions Working with Scene Transitions Custom Transitions and TransitionSets in Code Custom Transitions and TransitionSets in XML Working with Interpolators Creating a Custom Interpolator Using the beginDelayedTransition Method An Android Studio Transition Tutorial using beginDelayedTransition Creating the Android Studio TransitionDemo Project Preparing the Project Files Implementing beginDelayedTransition Animation Customizing the Transition Implementing Android Scene Transitions An Android Studio Tutorial An Overview of the Scene Transition Project Creating the Android Studio SceneTransitions Project Identifying and Preparing the Root Container Designing the First Scene Designing the Second Scene Entering the First Scene Loading Scene 2 Implementing the Transitions Adding the Transition File Loading and Using the Transition Set Configuring Additional Transitions An Overview of Intents in Android Studio An Overview of Intents Explicit Intents Returning Data from an Activity Implicit Intents Using Intent Filters Checking Intent Availability Android Explicit Intents An Android Studio Example Creating the Explicit Intent Example Application Designing the User Interface Layout for ActivityA Creating the Second Activity Class Designing the User Interface Layout for ActivityB Reviewing the Application Manifest File Creating the Intent Extracting Intent Data Launching ActivityB as a Sub Activity Returning Data from a Sub Activity Testing the Application Android Implicit Intents An Android Studio Example Creating the Android Studio Implicit Intent Example Project Designing the User Interface Creating the Implicit Intent Adding a Second Matching Activity Adding the Web View to the UI Obtaining the Intent URL Modifying the MyWebView Project Manifest File Testing the Application Broadcast Intents and Broadcast Receivers in Android Studio An Overview of Broadcast Intents An Overview of Broadcast Receivers Obtaining Results from a Broadcast Sticky Broadcast Intents The Broadcast Intent Example Creating the Example Application Creating and Sending the Broadcast Intent Creating the Broadcast Receiver Configuring a Broadcast Receiver in the Manifest File Testing the Broadcast Example Listening for System Broadcasts Android Threads and Thread Handlers An Android Studio Tutorial An Overview of Threads The Application Main Thread Thread Handlers A Basic Threading Example Creating a New Thread Implementing a Thread Handler Passing a Message to the Handler Understanding Android Started and Bound Services Started Services Intent Service Bound Service The Anatomy of a Service Controlling Destroyed Service Restart Options Declaring a Service in the Manifest File Starting a Service Running on System Startup Implementing an Android Started Service in Android Studio Creating the Example Project Creating the Service Class Adding the Service to the Manifest File Starting the Service Testing the IntentService Example Using the Service Class Creating the New Service Modifying the User Interface Running the Application Creating a New Thread for Service Tasks Implementing Local Bound Services in Android Studio Understanding Bound Services Bound Service Interaction Options An Android Studio Local Bound Service Example Adding a Bound Service to the Project Implementing the Binder Binding the Client to the Service Completing the Example Testing the Application Android Remote Bound Services An Android Studio Tutorial Client

    Original URL path: http://www.techotopia.com/index.php?title=Android_Studio_Development_Essentials&printable=yes (2016-02-13)
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  • Information for "Android Studio Development Essentials" - Techotopia
    Page ID 4474 Page content language English en Page content model wikitext Indexing by robots Allowed Number of redirects to this page 2 Counted as a content page Yes Page protection Edit Allow all users infinite Move Allow all users infinite Edit history Page creator Neil Talk contribs Date of page creation 21 09 17 March 2014 Latest editor Neil Talk contribs Date of latest edit 18 41 1 February

    Original URL path: http://www.techotopia.com/index.php?title=Android_Studio_Development_Essentials&action=info (2016-02-13)
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  • Introduction to Android 4.4 App Development Essentials - Techotopia
    Android applications and user interfaces More advanced topics such as database management content providers intents and services are also covered as are touch screen handling gesture recognition camera access and the playback and recording of both video and audio This edition of the book also covers features introduced with Android 4 4 including printing transitions and cloud based file storage In addition to covering general Android development techniques the book also includes Google Play specific topics such as implementing maps using the Google Maps Android API and submitting apps to the Google Play Developer Console Assuming you already have some Java programming experience are ready to download Eclipse and the Android SDK have access to a Windows Mac or Linux system and ideas for some apps to develop you are ready to get started Feedback We want you to be satisfied with your purchase of this book If you find any errors in the book or have any comments questions or concerns please contact us at email protected Errata Whilst we make every effort to ensure the accuracy of the content of this book it is inevitable that a book covering a subject area of this size and complexity may

    Original URL path: http://www.techotopia.com/index.php/Introduction_to_Android_4.4_App_Development_Essentials (2016-02-13)
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  • Setting up an Android Development Environment - Techotopia
    to download the ADT bundle archive it is possible that Safari will automatically unzip the file once the download is complete this is typically the default setting for Safari these days This being the case the location into which the download was saved will contain a directory named as follows adt bundle mac x86 64 version Using the Finder simply move this folder to a permanent location on your file system In the event that the browser did not automatically unzip the bundle archive open a terminal window change directory to the location where Eclipse is to be installed and execute the following command unzip path to package package name zip For example assuming a package file named adt bundle mac x86 64 20131030 zip has been downloaded to home demo Downloads the following command would be needed to install Eclipse unzip home demo Downloads adt bundle mac x86 64 20131030 zip Note that in the above example the bundle will be installed into a sub directory named adt bundle mac x86 64 20131030 Assuming therefore that the above command was executed in Users demo the software packages will be unpacked into Users demo adt bundle mac x86 64 20131030 Within this directory the files comprising the Eclipse IDE are installed in a sub directory named eclipse Using the Finder tool navigate to the eclipse sub directory of the ADT bundle installation directory and double click on the eclipse executable to launch the application For future easier access to the tool simply drag the eclipse icon from the Finder window and drop it onto the dock Installation on Linux On Linux systems open a terminal window change directory to the location where Eclipse is to be installed and execute the following command unzip path to package package name zip For example assuming a package file named adt bundle linux x86 20131030 zip has been downloaded to home demo Downloads the following command would be needed to install Eclipse unzip home demo Downloads adt bundle linux x86 20131030 zip Note that the bundle will be installed into a sub directory named either adt bundle linux x86 20131030 or adt bundle linux x86 64 20131030 depending on whether the 32 bit or 64 bit edition was downloaded Assuming therefore that the above command was executed in home demo the software packages will be unpacked into home demo adt bundle linux x86 20131030 Within this directory the files comprising the Eclipse IDE are installed in a sub directory named eclipse To launch Eclipse open a terminal window change directory to the eclipse sub directory of the ADT bundle installation directory and execute the following command eclipse Once invoked Eclipse will prompt for the location of the workspace All projects will be stored by default into this folder Browse for a suitable location or choose the default offered by Eclipse and click on OK Having verified that the Eclipse IDE is installed correctly keep Eclipse running so that it can be used to install additional Android SDK packages eBookFrenzy com Purchase the fully updated Android 6 Edition of this Android Studio Development Essentials publication in eBook 9 99 or Print 38 99 format Android Studio Development Essentials Android 6 Edition Print and eBook ePub PDF Kindle editions contain 65 chapters Installing the Latest Android SDK Packages The steps performed so far have installed Java the Eclipse IDE and the current set of default Android SDK packages Before proceeding it is worth taking some time to verify which packages are installed and to install any missing packages This task can be performed using the Android SDK Manager which may be launched from within the Eclipse tool by selecting the Window Android SDK Manager menu option Once invoked the SDK Manager tool will appear as illustrated in Figure 2 2 Figure 2 2 Once the SDK Manager is running return to the main Eclipse window and select the File Exit menu option to exit from the Eclipse environment This will leave the Android SDK Manager running whilst ensuring that the Eclipse session does not conflict with the installation process Begin by checking that the SDK Path setting at the top of the SDK Manager window matches the location into which the ADT Bundle package was unzipped If it does not relaunch Eclipse and select the Window Preferences option In the Preferences dialog select the Android option from the left hand panel and change the SDK Location setting so that it references the sdk sub folder of the directory into which the ADT Bundle was unzipped before clicking on Apply followed by OK Within the Android SDK Manager make sure that the check boxes next to the following packages are listed as Installed in the Status column Tools Android SDK Tools Tools Android SDK Platform tools SDK Platform Android 4 4 API 19 SDK Platform SDK Platform Android 4 4 API 19 ARM EABI v7a System Image Extras Android Support Library In the event that any of the above packages are listed as Not Installed simply select the checkboxes next to those packages and click on the Install packages button to initiate the installation process In the resulting dialog accept the license agreements before clicking on the Install button The SDK Manager will then begin to download and install the designated packages As the installation proceeds a progress bar will appear at the bottom of the manager window indicating the status of the installation Once the installation is complete review the package list and make sure that the selected packages are now listed as Installed in the Status column If any are listed as Not installed make sure they are selected and click on the Install packages button again Making the Android SDK Tools Command line Accessible Most of the time the underlying tools of the Android SDK will be accessed from within the Eclipse environment That being said however there will also be instances where it will be useful to be able to invoke those tools

    Original URL path: http://www.techotopia.com/index.php/Setting_up_an_Android_Development_Environment (2016-02-13)
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