jython + ddmlib 实现仿豌豆荚效果屏幕实时快照

部分代码思路来源于互联网

需求

之前就一直在寻找一种较为完美的移动设备屏幕流回传方案，因为我知道，这种尝试一旦成功之后，即可运用于多种平台，比如云端测试 Portal 中对机器设备屏幕的实时监控，再辅以 html5 强大的功能特性，便可以直接在 web 页面上模拟手机操作，达到远程操作的目的，本 demo 的部分思路来源于互联网，我尝试用 jython 重写了一遍，效果基本符合需求，有更好实现思路的可以提出来，非常感谢。

代码

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Android_ScreenSream by Archer
# Based on Jython, ddmlib

# import jar
import sys,os
sys.path.append (r'C:\\ddmlib.jar')
sys.path.append (r'C:\\guava17.jar')
sys.path.append (r'C:\\rt.jar')
from threading import Thread

# import lib
from java.awt.image import *
from java.io import *
from javax.imageio import *
from com.android.ddmlib import *
from time import sleep

class AndroidScreenStream (object):

    def __init__(self):
        super (AndroidScreenStream,self).__init__()
        self.devices=[]
        self.currentdevice=None
        self.rawimgdata=None
        self.rawscreen=None

    def wait_device_lists (self,bridge):
        """获取设备列表信息"""
        count=0
        while (bridge.hasInitialDeviceList ()==False):
            try:
                sleep (0.5)
                count+=1
            except:
                pass
            if (count>60):
                print "获取设备列表信息超时"
                break

    def get_devices (self):
        """获取所有已连接设备"""
        AndroidDebugBridge.init (False)
        mybridge=AndroidDebugBridge.createBridge ()
        self.wait_device_lists (mybridge) # get
        self.devices.append (mybridge.getDevices ())
        return self

    def get_device_by_index (self,index):
        """根据 index 获取单个当前设备"""
        AndroidDebugBridge.init (False)
        mybridge=AndroidDebugBridge.createBridge ()
        self.wait_device_lists (mybridge) # get
        try:
            self.currentdevice=mybridge.getDevices ()[index]
            return self
        except IndexError:
            print "不存在序号为" + str (index) + "的设备，请检查 USB 连接"
            sys.exit ()

    def get_current_screen_imgbyes (self):
        """获取当前屏幕图像的字节数据"""
        self.rawimgdata=self.currentdevice.getScreenshot ().data # 保存图像字节数据
        return self

    def get_current_rawscreen (self):
        """保存当前屏幕 screen 对象"""
        self.rawscreen=self.currentdevice.getScreenshot ()
        return self

    def save_screen_img (self,path=os.path.join (os.getcwd (),'current_frame.jpeg'),islandscape=False):
        """将当前屏幕图像数据保存为图片"""
        if self.rawscreen is not None:
            landscape=islandscape
            # 横屏尺寸处理
            imgwidth=self.rawscreen.height if landscape else self.rawscreen.width
            imgheight=self.rawscreen.width if landscape else self.rawscreen.height
            image=BufferedImage (imgwidth,imgheight,BufferedImage.TYPE_INT_RGB)
            if image.getHeight ()!=imgheight or image.getWidth ()!=imgwidth:
                image=BufferedImage (imgwidth,imgheight,BufferedImage.TYPE_INT_RGB)
            index=0
            indexInc=self.rawscreen.bpp>>3
            for y in range (self.rawscreen.height):
                for x in range (self.rawscreen.width):
                    value=self.rawscreen.getARGB (index)
                    if landscape:
                        image.setRGB (y,self.rawscreen.width-x-1,value)
                    else:
                        image.setRGB (x,y,value)
                    index+=indexInc
            try:
                ImageIO.write (image,"JPEG",File (path))
            except IOError:
                print "发生异常"
                sys.exit ()
        else:
            print "rawscreen 为空"
            sys.exit ()

if __name__=="__main__":
    ASS=AndroidScreenStream ()
    ShotDevice=ASS.get_device_by_index (0)
    while True:
        ShotDevice.get_current_rawscreen ().save_screen_img ()

Github

Android_Screen_Stream