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Build Android Project with Maven

By Arvind Rai, November 01, 2014
This page will explain how to build android project using maven. We will provide a demo step by step and create apk file by running the pom.xml.

Software Required

1. JDK 7
2. Maven 3.1
3. Android SDK
4. Eclipse

Create a Project Structure in Eclipse

For the android project we need to create below structure.
Build Android Project with Maven
src\main\java : Create the package and put the classes required for android project.
res\values : Create strings.xml file to configure variable.
res\layout : We will keep here XML files layout.
Create drawable directory to keep ic_launcher.png

pom.xml file to Build Android Project

Find the pom.xml. Configured here the entire JAR dependency required to run the android project.
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.concretepage</groupId>
    <artifactId>android</artifactId>
    <version>1</version>
    <packaging>apk</packaging>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    </properties>
    <dependencies>
        <dependency>
            <groupId>com.google.android</groupId>
            <artifactId>android</artifactId>
            <version>4.1.1.4</version>
            <scope>provided</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>com.jayway.maven.plugins.android.generation2</groupId>
                <artifactId>android-maven-plugin</artifactId>
                <version>3.9.0-rc.1</version>
                <configuration>
                    <sdk>
                        <platform>20</platform>
                    </sdk>
                    <deleteConflictingFiles>true</deleteConflictingFiles>
                    <undeployBeforeDeploy>true</undeployBeforeDeploy>
                </configuration>
                <extensions>true</extensions>
            </plugin>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.7</source>
                    <target>1.7</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project> 
<packaging>apk</packaging> : Write apk for packaging. Our archive file will be created with extension apk.
android-maven-plugin: We need to configure android-maven-plugin with the version.

settings.xml to Set Android SDK Path

While building android project with maven, it searches for Android SDK path. We can configure it as below. 1. Create settings.xml as below.
settings.xml
<settings>
  <profiles>
    <profile>
        <id>android-settings</id>
        <properties>
            <android.sdk.path>user-home\android-sdks</android.sdk.path>
        </properties>
    </profile>
  </profiles>
  <activeProfiles>
        <activeProfile>android-settings</activeProfile>
  </activeProfiles>
</settings> 
2. Put settings.xml into .m2 directory. You can find it into user home.

Write Code for Android Project

Now we will create a sample android project. Find the activity class.
TimeDemoActivity.java
package com.concretepage.android;
import java.util.Calendar;
import android.os.Bundle;
import android.widget.TextView;
import android.app.Activity;
public class TimeDemoActivity extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
    @Override
    public void onStart() {
        super.onStart();
        TextView textView = (TextView) findViewById(R.id.text_view);
        Calendar  calender = Calendar.getInstance();
        textView.setText(calender.getTime().toString());
    }
} 
Find the AndroidManifest.xml.
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.concretepage.android"
    android:versionCode="1"
    android:versionName="1.0" >
    <uses-sdk android:minSdkVersion="11" android:targetSdkVersion="11" />
    <application
        android:allowBackup ="false"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".TimeDemoActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest> 
Find the main.xml.
main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView
    android:id="@+id/text_view"
    android:layout_height="fill_parent"
    android:layout_width="fill_parent"
    />
</LinearLayout>  
Find the strings.xml.
strings.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="app_name">Android-Maven</string>
</resources> 

Maven Command to Build Android Project

To build the project, open the command prompt and navigate to project root directory. Run the below command.
1. mvn eclipse:eclipse : configure .classpath for eclipse.
2. mvn clean package : cleans the old apk file and generates new one. Apk file is created inside target directory.

Download Source Code

POSTED BY
ARVIND RAI
ARVIND RAI
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