This is a maven pom example for a blog post

eigth.xml

<plugin>
    <groupId>com.jayway.maven.plugins.android.generation2</groupId>
    <artifactId>android-maven-plugin</artifactId>
    <inherited>true</inherited>
    <configuration>
        <sign>
            <debug>false</debug>
        </sign>
        <manifest>
            <debuggable>false</debuggable>
            <versionCode>${app.versioncode}</versionCode>
            <versionName>1.1.5-SNAPSHOT</versionName>
            <versionCodeAutoIncrement>false</versionCodeAutoIncrement>
        </manifest>
        <proguard>
            <skip>true</skip>
        </proguard>
    </configuration>
    <executions>
        <execution>
            <id>manifestUpdate</id>
            <phase>process-resources</phase>
            <goals>
                <goal>manifest-update</goal>
            </goals>
        </execution>
        <execution>
            <id>alignApk</id>
            <phase>package</phase>
            <goals>
                <goal>zipalign</goal>
            </goals>
        </execution>
    </executions>
</plugin>

fifth.xml

<dependencies>
    <dependency>
        <groupId>com.google.android</groupId>
        <artifactId>android</artifactId>
        <version>${platform.version}</version>
        <scope>provided</scope>
    </dependency>

    <dependency>
        <groupId>com.google.android</groupId>
        <artifactId>android-test</artifactId>
        <version>${platform.version}</version>
        <scope>test</scope>
    </dependency>

    <dependency>
        <groupId>com.willowtreeapps</groupId>
        <artifactId>oak-library</artifactId>
        <version>1.1.5-SNAPSHOT</version>
    </dependency>
</dependencies>

first.xml

<groupId>com.company.name</groupId>
<!--ideally, we'd like this to follow the format of "PROJECTNAME-android"-->
<artifactId>projectname</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>apk</packaging>
<name>projectname</name>

fourth.xml

<repositories>
    <repository>
        <id>sonatype-nexus-snapshots</id>
        <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
        <snapshots>
            <enabled>true</enabled>
            <checksumPolicy>warn</checksumPolicy>
            <updatePolicy>always</updatePolicy>
        </snapshots>
        <releases>
            <enabled>false</enabled>
        </releases>
    </repository>
</repositories>

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.company.name</groupId>
    <!--ideally, we'd like this to follow the format of "PROJECTNAME-android"-->
    <artifactId>projectname</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>apk</packaging>
    <name>projectname</name>

    <properties>
        <platform.version>4.1.1.4</platform.version>

        <!-- you'll need to generate a keystore and put it at the root of your project and change these -->
        <sign.keystore>PROJECT_KEYSTORE_FILE.keystore</sign.keystore>
        <sign.keyalias>PROJECT_KEY_ALIAS</sign.keyalias>

        <!-- the following values will be overwritten on the command line when using the "sign" profile (in CI) -->
        <sign.storepass>DONT_ACTUALLY_PUT_THE_PASSWORD_HERE</sign.storepass>
        <sign.keypass>DONT_ACTUALLY_PUT_THE_PASSWORD_HERE</sign.keypass>
        <app.versioncode>9999</app.versioncode>

    </properties>

    <scm>
        <!--The following is needed for auto-tagging for "mvn release:prepare"-->
        <!--<developerConnection>scm:git:git@github.com:username/PROJECT_NAME.git</developerConnection>-->
        <!--<tag>HEAD</tag>-->
    </scm>


    <repositories>
        <repository>
            <id>sonatype-nexus-snapshots</id>
            <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
            <snapshots>
                <enabled>true</enabled>
                <checksumPolicy>warn</checksumPolicy>
                <updatePolicy>always</updatePolicy>
            </snapshots>
            <releases>
                <enabled>false</enabled>
            </releases>
        </repository>
    </repositories>

    <dependencies>
        <dependency>
            <groupId>com.google.android</groupId>
            <artifactId>android</artifactId>
            <version>${platform.version}</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>com.google.android</groupId>
            <artifactId>android-test</artifactId>
            <version>${platform.version}</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.willowtreeapps</groupId>
            <artifactId>oak-library</artifactId>
            <version>1.1.5-SNAPSHOT</version>
        </dependency>
    </dependencies>

    <build>
        <sourceDirectory>src</sourceDirectory>
        <testSourceDirectory>test</testSourceDirectory>
        <plugins>
            <plugin>
                <groupId>com.jayway.maven.plugins.android.generation2</groupId>
                <artifactId>android-maven-plugin</artifactId>
                <version>3.2.0</version>
                <configuration>
                    <androidManifestFile>${project.basedir}/AndroidManifest.xml
                    </androidManifestFile>
                    <assetsDirectory>${project.basedir}/assets</assetsDirectory>
                    <resourceDirectory>${project.basedir}/res</resourceDirectory>
                    <nativeLibrariesDirectory>${project.basedir}/src/main/native
                    </nativeLibrariesDirectory>
                    <sdk>
                        <platform>16</platform>
                    </sdk>
                    <undeployBeforeDeploy>true</undeployBeforeDeploy>
                </configuration>
                <extensions>true</extensions>
            </plugin>

            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
    <profiles>
        <profile>
            <id>sign</id>
            <build>
                <plugins>
                    <plugin>
                        <groupId>org.apache.maven.plugins</groupId>
                        <artifactId>maven-jarsigner-plugin</artifactId>
                        <version>1.2</version>
                        <executions>
                            <execution>
                                <id>signing</id>
                                <goals>
                                    <goal>sign</goal>
                                    <goal>verify</goal>
                                </goals>
                                <phase>package</phase>
                                <inherited>true</inherited>
                                <configuration>
                                    <removeExistingSignatures>true</removeExistingSignatures>
                                    <archiveDirectory/>
                                    <keystore>${sign.keystore}</keystore>
                                    <alias>${sign.keyalias}</alias>
                                    <storepass>${sign.storepass}</storepass>
                                    <keypass>${sign.keypass}</keypass>
                                    <verbose>true</verbose>
                                </configuration>
                            </execution>
                        </executions>
                    </plugin>
                    <plugin>
                        <groupId>com.jayway.maven.plugins.android.generation2</groupId>
                        <artifactId>android-maven-plugin</artifactId>
                        <inherited>true</inherited>
                        <configuration>
                            <sign>
                                <debug>false</debug>
                            </sign>
                            <manifest>
                                <debuggable>false</debuggable>
                                <versionCode>${app.versioncode}</versionCode>
                                <versionName>1.1.5-SNAPSHOT</versionName>
                                <versionCodeAutoIncrement>false</versionCodeAutoIncrement>
                            </manifest>
                            <proguard>
                                <skip>true</skip>
                            </proguard>
                        </configuration>
                        <executions>
                            <execution>
                                <id>manifestUpdate</id>
                                <phase>process-resources</phase>
                                <goals>
                                    <goal>manifest-update</goal>
                                </goals>
                            </execution>
                            <execution>
                                <id>alignApk</id>
                                <phase>package</phase>
                                <goals>
                                    <goal>zipalign</goal>
                                </goals>
                            </execution>
                        </executions>
                    </plugin>
                </plugins>
            </build>
        </profile>
    </profiles>
</project>

second.xml

<properties>
  <platform.version>4.1.1.4</platform.version>

  <!-- you'll need to generate a keystore and put it at the root of your project and change these -->
  <sign.keystore>PROJECT_KEYSTORE_FILE.keystore</sign.keystore>
  <sign.keyalias>PROJECT_KEY_ALIAS</sign.keyalias>

  <!-- the following values will be overwritten on the command line when using the "sign" profile (in CI) -->
  <sign.storepass>DONT_ACTUALLY_PUT_THE_PASSWORD_HERE</sign.storepass>
  <sign.keypass>DONT_ACTUALLY_PUT_THE_PASSWORD_HERE</sign.keypass>
  <app.versioncode>9999</app.versioncode>
</properties>

seventh.xml

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-jarsigner-plugin</artifactId>
    <version>1.2</version>
    <executions>
        <execution>
            <id>signing</id>
            <goals>
                <goal>sign</goal>
                <goal>verify</goal>
            </goals>
            <phase>package</phase>
            <inherited>true</inherited>
            <configuration>
                <removeExistingSignatures>true</removeExistingSignatures>
                <archiveDirectory/>
                <keystore>${sign.keystore}</keystore>
                <alias>${sign.keyalias}</alias>
                <storepass>${sign.storepass}</storepass>
                <keypass>${sign.keypass}</keypass>
                <verbose>true</verbose>
            </configuration>
        </execution>
    </executions>
</plugin>

sixth.xml

<build>
    <sourceDirectory>src</sourceDirectory>
    <testSourceDirectory>test</testSourceDirectory>
    <plugins>
        <plugin>
            <groupId>com.jayway.maven.plugins.android.generation2</groupId>
            <artifactId>android-maven-plugin</artifactId>
            <version>3.2.0</version>
            <configuration>
                <androidManifestFile>${project.basedir}/AndroidManifest.xml
                </androidManifestFile>
                <assetsDirectory>${project.basedir}/assets</assetsDirectory>
                <resourceDirectory>${project.basedir}/res</resourceDirectory>
                <nativeLibrariesDirectory>${project.basedir}/src/main/native
                </nativeLibrariesDirectory>
                <sdk>
                    <platform>16</platform>
                </sdk>
                <undeployBeforeDeploy>true</undeployBeforeDeploy>
            </configuration>
            <extensions>true</extensions>
        </plugin>

        <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>2.3.2</version>
            <configuration>
                <source>1.6</source>
                <target>1.6</target>
            </configuration>
        </plugin>
    </plugins>
</build>

third.xml

<scm>
    <!--The following is needed for auto-tagging for "mvn release:prepare"-->
    <!--<developerConnection>scm:git:git@github.com:username/PROJECT_NAME.git</developerConnection>-->
    <!--<tag>HEAD</tag>-->
</scm>