robotframework+appium進行app自動化時，為了做到定時可以執行用例，保證手機可以一直在亮屏狀態，寫了如下方法以資源方式匯入專案，直接使用adb_screenOn()方法，不論螢幕是否亮屏，都可以正常執行用例

# -*- coding:utf-8 -*-

import os

class Adb(object):

    def __init__(self):
        pass
		

    def adb_uninstall_package(self, package_name):
	
        """
           # 解除安裝手機內指定包名的app

        """
        try:
            cmd = 'adb uninstall {}'.format( package_name)
            print cmd
            text = os.popen(cmd)
            content = text.read()
            print content
            if 'Success' in content:
                print 'Pass: 解除安裝手機app成功'.decode('UTF-8').encode('GBK')
            else:
                print 'Fail: 解除安裝手機app失敗 '.decode('UTF-8').encode('GBK')
        except Exception as e:
            print str(e)
						

	
	
    def __adb_rouse_phone(self):

        """
          #亮屏手機
        """
        try:
            cmd = 'adb shell input keyevent 26'
            print cmd
            text = os.popen(cmd)
            content = text.read()
            print  content+'手機螢幕亮屏成功'.decode('UTF-8').encode('GBK')
        except Exception as e:
            print str(e)

    def adb_screenOn(self):

        """
          #先檢視手機是否亮屏，如果沒有使之亮屏

        """
        a = Adb()
        try:
            cmd = 'adb shell dumpsys window policy^|grep mScreenOnFully'
            print cmd
            text = os.popen(cmd)
            content = text.read()
            print content
            if 'mScreenOnEarly=true mScreenOnFully=true' in content:
                print 'Pass: 手機螢幕已經是亮屏'.decode('UTF-8').encode('GBK')
            else:
                 a.__adb_rouse_phone()
        except Exception as e:
            print str(e)