Using Maven to build Java & Android program
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This document provides an overview of using Maven to build Java and Android projects. It discusses installing Maven, the key concepts of Maven including the project object model, dependency management, and plugins. It then demonstrates how to build a simple Java project with Maven and apply Maven to build an Android project, including configuring the Android SDK and android-maven-plugin. Finally, it covers some common issues and tips for using Maven with Android projects in Eclipse.
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Install Maven
● Download from [HERE]
(http://maven.apache.org/download.cgi)
– Or apt-get / yum / brew ......
● Add env.
– M2_HOME=/opt/maven
– M2=$M2_HOME/bin
● Run mvn --version
– verify mvn is installed correctly.](https://image.slidesharecdn.com/usingmaventobuildjavaandroidprogram-140226084459-phpapp02/85/Using-Maven-to-build-Java-Android-program-2-320.jpg)
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Using Maven to build Java & Android program
- 1. Using Maven to build Java & Android program Kewang
- 2. 2 Install Maven ● Download from [HERE] (http://maven.apache.org/download.cgi) – Or apt-get / yum / brew ...... ● Add env. – M2_HOME=/opt/maven – M2=$M2_HOME/bin ● Run mvn --version – verify mvn is installed correctly.
- 3. 3 About me ● 王慕羣 (Kewang) ● Skills – Android – AWS (EC2, S3, DynamoDB) – Hadoop (HBase, MapReduce) – Node.js, Rails ● Company – Mitake Inc. ● Others – Google Play, GitHub, slideshare, Scribd
- 4. Maven
- 5. 5 Maven's objectives ● Making the build process easy ● Providing a uniform build system ● Providing quality project information ● Providing guidelines for best practices development ● Allowing transparent migration to new features
- 6. 6 Maven can manage ... ● Builds ● Documentation ● Reporting ● Dependencies ● SCMs ● Releases ● Distribution
- 7. 7 Maven's concepts ● Project Object Model ● Convention over Configuration (CoC) ● Dependency management ● Plugin-based architecture
- 20. 20 Maven commands ● mvn clean – Remove all previous build generated files. ● mvn compile – Compile the source code of the project. ● mvn test – Run tests using a suitable unit testing framework. ● mvn package – Package compiled code to distributable format. ● mvn install – Install the package into the local repository. ● mvn deploy – Copy the final package to the remote repository.
- 21. Build a simple Java project
- 22. 22 Step by step ● Normalize directory structure ● Write pom.xml ● Run it
- 29. 29 mvn clean package include test file, jar file...
- 30. but it can't run ...
- 31. 31 mvn clean compile exec:java <build> <plugins> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>exec-maven-plugin</artifactId> <version>1.2.1</version> <configuration> <mainClass>com.mycompany.example.App</mainClass> </configuration> </plugin> </plugins> </build>
- 32. 32 mvn clean compile exec:java <build> <plugins> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>exec-maven-plugin</artifactId> <version>1.2.1</version> <configuration> <mainClass>com.mycompany.example.App</mainClass> </configuration> </plugin> </plugins> </build> remember assign <mainClass/>
- 33. Live DEMO
- 36. 36 Step by step ● Install Android SDK ● Run Maven Android SDK Deployer ● Write pom.xml ● Run it
- 37. 37 Install Android SDK, at least ... ● All versions SDK Platform ● All versions Google APIs ● All Extra items (including obsoleted) ● Glass Development Kit Sneak Peek
- 38. 38 Run Maven Android SDK Deployer ● Checkout mosabua/maven-android-sdk-deployer ● mvn install
- 39. 39 Run Maven Android SDK Deployer ● Checkout mosabua/maven-android-sdk-deployer ● mvn install copy all jar files to maven repository
- 40. 40 Use Android libraries like ... <dependency> <groupId>android</groupId> <artifactId>android</artifactId> <version>4.4_r1</version> <scope>provided</scope> </dependency>
- 41. 41 Use Android libraries like ... <dependency> <groupId>android</groupId> <artifactId>android</artifactId> <version>4.4_r1</version> <scope>provided</scope> </dependency> "provided" stands for only compile, not package itself
- 42. 42 Use Android libraries like ... <dependency> <groupId>com.google.android.maps</groupId> <artifactId>maps</artifactId> <version>19_r1</version> <scope>provided</scope> </dependency>
- 43. 43 Use Android libraries like ... <dependency> <groupId>android.support</groupId> <artifactId>compatibility-v13</artifactId> <version>19.0.1</version> </dependency>
- 44. Write pom.xml
- 49. 49 mvn clean package generates R.java
- 50. 50 mvn android:deploy android:run ● mvn android:deploy – Install app to device ● mvn android:run – Run app at device
- 51. Live DEMO
- 53. 53 android-maven-plugin FAQ ● No Android SDK path could be found.
- 54. 54 android-maven-plugin FAQ ● No Android SDK path could be found. – no ANDROID_HOME env., or value is incorrect ● set ANDROID_HOME env. to Android SDK path
- 55. 55 android-maven-plugin FAQ ● No Android SDK path could be found. – no ANDROID_HOME env., or value is incorrect ● set ANDROID_HOME env. to Android SDK path ● Unknown packaging: apk
- 56. 56 android-maven-plugin FAQ ● No Android SDK path could be found. – no ANDROID_HOME env., or value is incorrect ● set ANDROID_HOME env. to Android SDK path ● Unknown packaging: apk – no extensions tag, or value is not "true" ● <extensions>true</extensions>
- 57. 57 android-maven-plugin FAQ ● No Android SDK path could be found. – no ANDROID_HOME env., or value is incorrect ● set ANDROID_HOME env. to Android SDK path ● Unknown packaging: apk – no extensions tag, or value is not "true" ● <extensions>true</extensions> ● package R does not exist
- 58. 58 android-maven-plugin FAQ ● No Android SDK path could be found. – no ANDROID_HOME env., or value is incorrect ● set ANDROID_HOME env. to Android SDK path ● Unknown packaging: apk – no extensions tag, or value is not "true" ● <extensions>true</extensions> ● package R does not exist – <packaging>jar</packaging> ● <packaging>apk</packaging>
- 59. 59 android-maven-plugin FAQ ● No Android SDK path could be found. – no ANDROID_HOME env., or value is incorrect ● set ANDROID_HOME env.to Android SDK path ● Unknown packaging: apk – no extensions tag, or value is not "true" ● <extensions>true</extensions> ● package R does not exist – <packaging>jar</packaging> ● <packaging>apk</packaging> ● Ill-advised or mistaken usage of a core class
- 60. 60 android-maven-plugin FAQ ● No Android SDK path could be found. – no ANDROID_HOME env., or value is incorrect ● set ANDROID_HOME env. to Android SDK path ● Unknown packaging: apk – no extensions tag, or value is not "true" ● <extensions>true</extensions> ● package R does not exist – <packaging>jar</packaging> ● <packaging>apk</packaging> ● Ill-advised or mistaken usage of a core class – no scope tag, or value is not "provided" ● <scope>provided</scope>
- 62. 62 Tips - How to use src folder ?
- 63. 63 Tips - How to use src folder ? <build> <sourceDirectory>src</sourceDirectory> </build>
- 64. 64 Tips - How to use libs folder ?
- 65. 65 Tips - How to use libs folder ? ● mvn install:install-file – -Dfile=<path-to-file> – -DgroupId=<group-id> – -DartifactId=<artifact-id> – -Dversion=<version> – -Dpackaging=jar
- 66. 66 Tips - How to use libs folder ? ● mvn install:install-file – -Dfile=<path-to-file> – -DgroupId=<group-id> – -DartifactId=<artifact-id> – -Dversion=<version> – -Dpackaging=jar ● mvn install:install-file -Dfile=flappybird.jar -DgroupId=tw.kewang -DartifactId=flappybird -Dversion=1.0 -Dpackaging=jar
- 67. 67 Tips - How to use libs folder ? ● mvn install:install-file – -Dfile=<path-to-file> – -DgroupId=<group-id> – -DartifactId=<artifact-id> – -Dversion=<version> – -Dpackaging=jar ● mvn install:install-file -Dfile=flappybird.jar -DgroupId=tw.kewang -DartifactId=flappybird -Dversion=1.0 -Dpackaging=jar copy jar file to maven repository
- 68. 68 Tips - How to use gen folder ?
- 69. 69 Tips - How to use gen folder ? <plugin> <groupId>com.jayway.maven.plugins.android.generation2</groupId> <artifactId>android-maven-plugin</artifactId> <configuration> <genDirectory>gen</genDirectory> </configuration> </plugin>
- 70. 70 Tips - How to use gen folder ? <plugin> <groupId>com.jayway.maven.plugins.android.generation2</groupId> <artifactId>android-maven-plugin</artifactId> <configuration> <genDirectory>gen</genDirectory> </configuration> </plugin> <plugin> <artifactId>maven-clean-plugin</artifactId> <version>2.5</version> <configuration> <filesets> <fileset> <directory>gen</directory> </fileset> </filesets> </configuration> </plugin>
- 71. 71 Tips - How to use gen folder ? <plugin> <groupId>com.jayway.maven.plugins.android.generation2</groupId> <artifactId>android-maven-plugin</artifactId> <configuration> <genDirectory>gen</genDirectory> </configuration> </plugin> <plugin> <artifactId>maven-clean-plugin</artifactId> <version>2.5</version> <configuration> <filesets> <fileset> <directory>gen</directory> </fileset> </filesets> </configuration> </plugin> remember clean gen folder
- 72. 72 Tips - How to clean bin folder ? <plugin> <artifactId>maven-clean-plugin</artifactId> <version>2.5</version> <configuration> <filesets> <fileset> <directory>bin</directory> </fileset> </filesets> </configuration> </plugin>
- 73. 73 Tips - How to use library project ?
- 74. 74 Tips - How to use library project ? ● Write pom.xml at library project as general Android project
- 75. 75 Tips - How to use library project ? ● Write pom.xml at library project as general Android project ● mvn clean android:apklib – Apklib file includes src/main/java, libs & res directory
- 76. 76 Tips - How to use library project ? ● Write pom.xml at library project as general Android project ● mvn clean android:apklib – Apklib file includes src/main/java, libs & res directory ● Use install goal to copy apklib to maven repository
- 77. 77 Tips - How to use library project ? ● Write pom.xml at library project as general Android project ● mvn clean android:apklib – Apklib file includes src/main/java, libs & res directory ● Use install goal to copy apklib to maven repository ● Add dependency at main project <dependency> <groupId>tw.kewang.ui.captchaview</groupId> <artifactId>CaptchaView</artifactId> <version>1.0.0</version> <type>apklib</type> </dependency>
- 78. 78 Tips - How to use non-maven library ? ● Compress non-maven library to zip file
- 79. 79 Tips - How to use non-maven library ? ● Compress non-maven library to zip file ● Use install goal to copy zip to maven repository – packaging=apklib
- 80. 80 Tips - How to use non-maven library ? ● Compress non-maven library to zip file ● Use install goal to copy zip to maven repository – packaging=apklib ● Add dependency at main project <dependency> <groupId>tw.kewang.ui.captchaview</groupId> <artifactId>CaptchaView</artifactId> <version>1.0.0</version> <type>apklib</type> </dependency>
- 82. 82 Show Time - google-tts tts.say(sentence, true, new OnFinishListener() { @Override public void onFinish() { Toast.makeText(this, sentence, Toast.LENGTH_SHORT).show(); } });
- 83. 83 Show Time - map-controller mc.startTrackMyLocation(new ChangeMyLocation() { @Override public void changed(GoogleMap map, Location location) { Log.d("TRACK", location.toString()); } }); mc.whenMapClick(new ClickCallback() { @Override public void clicked(GoogleMap map, LatLng latLng) { Log.d("CLICK", latLng.toString()); } });
- 84. 84 Show Time - CaptchaView captcha.setPattern("1234567890"); captcha.setLength(6); captcha.refresh(); if (captcha.getCaptcha().equals(check)) { Log.d("CAPTCHA", "Success"); } else { Log.d("CAPTCHA", "Fail"); }
- 85. 85 Show Time - tile <tw.kewang.tile.Tile> <tw.kewang.tile.TileGroup tile:maxCells="3" tile:x="450dp" tile:y="50dp" > <tw.kewang.tile.TileCell tile:x="50dp" tile:y="50dp" /> <tw.kewang.tile.TileCell tile:x="100dp" tile:y="150dp" /> </tw.kewang.tile.TileGroup> </tw.kewang.tile.Tile> tile2.setOnCellLongClickListener(new OnLongClickListener() { @Override public void onLongClick(TileGroup group, TileCell cell) { tile2.startDrag(); } });
- 86. 86 References ● Apache Maven Project ● Android Application Development with Maven ● Android Maven Plugin ● Maven Android SDK Deployer
- 87. 87