#!/bin/bash

if [[ -z $ANDROID_BUILD_TOP ]]; then
  echo "Please run source build/envsetup.sh first" >&2
  exit 1
fi

source $ANDROID_BUILD_TOP/build/envsetup.sh

verbose_print() {
  if [[ "$verbose" == "y" ]]; then
    echo "$@" >&2
  fi
}

remote_pidof() {
  local procname="$1"
  adb shell ps | grep "$procname" | awk '{print $2;}'
}

remote_pkill() {
  local procname="$1"
  shift

  local the_pids=$(remote_pidof "$procname")
  local pid

  for pid in $the_pids; do
    verbose_print adb shell kill "$@" "$pid"
    adb shell kill "$@" "$pid"
  done
}

get_activity_name() {
  local package="$1"
  local action_key="android.intent.action.MAIN:"

  # Example query-activities output being parsed:
  #
  #  Activity #14:
  #    priority=0 preferredOrder=0 match=0x108000 specificIndex=-1 isDefault=true
  #    com.google.android.videos/com.google.android.youtube.videos.EntryPoint
  #  Activity #15:
  #    priority=0 preferredOrder=0 match=0x108000 specificIndex=-1 isDefault=true
  #    com.google.android.youtube/.app.honeycomb.Shell$HomeActivity

  # Given package 'com.google.android.youtube' return '.app.honeycomb.Shell$HomeActivity'

  local activity_line="$(adb shell cmd package query-activities --brief -a android.intent.action.MAIN -c android.intent.category.LAUNCHER | grep "$package/")"
  IFS="/" read -a array <<< "$activity_line"
  local activity_name="${array[1]}"
  echo "$activity_name"
}