Install android app, start it and forward jdwp port to local for jdb

build.xml

<target name="run" depends="debug,install">
  <xpath input="${manifest.abs.file}"
         expression="/manifest/application/activity/@android:name" output="project.app.activity" />
  
  <exec executable="${sdk.dir}/platform-tools/adb">
    <arg value="shell" />
    <arg value="am" />
    <arg value="force-stop" />
    <arg value="${project.app.package}" />
  </exec>
  <exec executable="${sdk.dir}/platform-tools/adb">
    <arg value="shell" />
    <arg value="am" />
    <arg value="start" />
    <arg value="-D" />
    <arg value="${project.app.package}/.${project.app.activity}" />
  </exec>
</target>

<!-- Local port forwarded from remote jdwp -->
<property name="jdb.port" value="8888" />

<target name="jdb" depends="run">
  <exec executable="${sdk.dir}/platform-tools/adb" outputproperty="jdb.jdwp.all">
    <arg line="${adb.device.arg}" />
    <arg value="jdwp" />
  </exec>
  <exec executable="tail" outputproperty="jdb.jdwp.last" inputstring="${jdb.jdwp.all}">
    <arg line="-n 1" />
  </exec>
  <exec executable="${sdk.dir}/platform-tools/adb">
    <arg line="${adb.device.arg}" />
    <arg value="forward" />
    <arg value="tcp:${jdb.port}" />
    <arg value="jdwp:${jdb.jdwp.last}" />
  </exec>
  <echo>Run command: jdb -attach localhost:${jdb.port}</echo>
</target>