code: protected String extractPackageNameFromApk( File apkFile ) throws MojoExecutionException
      {
          CommandExecutor executor = CommandExecutor.Factory.createDefaultCommmandExecutor();
          executor.setLogger( this.getLog() );
          executor.setCaptureStdOut( true );
          executor.setCaptureStdErr( true );
  
          AaptCommandBuilder commandBuilder = AaptCommandBuilder
                  .dump( getLog() )
                  .xmlTree()
                  .setPathToApk( apkFile.getAbsolutePath() )
                  .addAssetFile( "AndroidManifest.xml" );
  
          getLog().info( getAndroidSdk().getAaptPath() + " " + commandBuilder.toString() );
          try
          {
              executor.executeCommand( getAndroidSdk().getAaptPath(), commandBuilder.build(), false );
              final String xmlTree = executor.getStandardOut();
              return extractPackageNameFromAndroidManifestXmlTree( xmlTree );
          }
          catch ( ExecutionException e )
          {
              throw new MojoExecutionException(
                      "Error while trying to figure out package name from inside apk file " + apkFile );
          }
          finally
          {
              String errout = executor.getStandardError();
              if ( ( errout != null ) && ( errout.trim().length() > 0 ) )
              {
                  getLog().error( errout );
              }
          }
      }
docs: Extracts the package name from an apk file.
  
  @param apkFile apk file to extract package name from.
  @return the package name from inside the apk file.