Android 版本更新 请求Web 服务器

.版本升级 就是拿到清单文件中android:versionCode="1"个服务器versionServer 进行对比,versionServer >android:versionCode 升级,拿到返回的apk下载链接,安装。

1.拿到本地versionCode 

//获取版本号
		public static int getVersion(Context context){
			int version = 0;
			try {  
				version = context.getPackageManager().getPackageInfo(  
	                    "你项目的包名", 0).versionCode;   //包名对应AndroidManifest.xm  package="……"
   
	        } catch (Exception e) {  
	        	 System.out.println("获取版本号异常!");
	        }  
			return version;
		}

2.拿到本地传到服务器  有服务器判断 返回下载链接

3.开启子线程进行网络请求


	
//版本升级 
	String DEVICE_ID=null;//唯一标识码
	int version;
	String Strversion=null;//版本号转String
	Thread serviceThread;
	 AlertDialog.Builder adb;
	private	 String Downurl=null;//下载链接
serviceThread= new Thread(new Runnable() {
			
			@Override
			public void run() {
				// TODO Auto-generated method stub
				String namespace ="http://tempuri.org/";//targetNamespace="http://tempuri.org/">
				String transUrl ="";//接口
				String method  ="VersionUpgrade";//s:element name="VersionUpgrade">
				
				//后台询问或者从wsdl文档或者服务说明中查看
				int envolopeVersion =SoapEnvelope.VER12;//
				
				SoapObject request=new SoapObject(namespace, method);
				
			    Log.i("TAG", "版本号version====="+Strversion +"识别码DEVICE_ID====="+DEVICE_ID);
			    request.addProperty("versionNo", version);
			    request.addProperty("machineCode", Strversion);//本机唯一识别码 不需要可以不传
			    
			    SoapSerializationEnvelope envelope=new SoapSerializationEnvelope(envolopeVersion);
			    envelope.setOutputSoapObject(request);
				envelope.dotNet=true;
				HttpTransportSE httpse=new HttpTransportSE(transUrl);
				
				try {
					httpse.call(null, envelope);
					
					
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				} catch (XmlPullParserException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				Object response;
				try {
					 response = (Object) envelope.getResponse();
			if (response!=null) {//如果返回不为bull 则可以升级,如果是null 则不需要更新
				SoapObject result = (SoapObject) envelope.bodyIn; 
				 Downurl = result.getProperty(0).toString(); 
				 Log.i("TAG", "response"+response);
				 Log.i("TAG", "下载链接Downurl"+Downurl);
				 handler.sendEmptyMessage(1);
			}else {
				  AlertDialog.Builder builder  = new Builder(getActivity());  
		            builder.setTitle("版本信息" ) ;  
		            builder.setMessage("当前已经是最新版本" ) ;  
		            builder.setPositiveButton("确定",null);  
		            builder.show();
				Log.i("TAG", "无返回值");
				Toast.makeText(getActivity(), "无最新版本", Toast.LENGTH_LONG).show();
			}
				} catch (SoapFault e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			
			}
		});

4.得到下载链接后

 hander 发消息 

 handler.sendEmptyMessage(1);

5.开启handle 

private Handler handler = new Handler(){

		@Override
		public void handleMessage(Message msg) {
			switch (msg.what) {
			case 1:
				 showUpdateDialog();是否更新Dialog
				 Log.i("TAG", "case 1:============case 1:");
                 break;
			}
			}
	};
	private void showUpdateDialog() {
		 //弹出对话框提示更新
		adb = new AlertDialog.Builder(getActivity());
        adb.setTitle("发现新版本");    
        adb.setCancelable(false);//要么点击确定,要么点击取消。否则不会关闭dialog

        adb.setNegativeButton("确定", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
                //下载更新的APK
                downUpdateAPK();
            }

        });
        adb.setPositiveButton("取消",null);
          
        adb.show();
		
	}
6.得到 Url 下载 就好比从服务器下载图片一样了

  6.1判断是否有sd卡

 String storageState = Environment.getExternalStorageState();
                if (storageState.equals(Environment.MEDIA_MOUNTED)) {
                    savePath = Environment.getExternalStorageDirectory()
                            .getAbsolutePath() + "/update/";
                    File file = new File(savePath);
                    if (!file.exists()) {
                        file.mkdir();
                    }
                    apkFilePath = savePath + apkName;
                    tmpFilePath = savePath + tmpApk;
                    Log.i("apkUrl","tmpFilePath"+tmpFilePath );
                }

6.2  开启线程 下载

downloadThread = new Thread(mdownApkRunnable);

    private Runnable mdownApkRunnable = new Runnable() {

        @Override
        public void run() {
            try {

                String apkName = "AccessControllSystem" + ".apk";
                String tmpApk = "AccessControllSystem" + ".tmp";
                // 判断是否挂载了sd卡
                String storageState = Environment.getExternalStorageState();
                if (storageState.equals(Environment.MEDIA_MOUNTED)) {
                    savePath = Environment.getExternalStorageDirectory()
                            .getAbsolutePath() + "/update/";
                    File file = new File(savePath);
                    if (!file.exists()) {
                        file.mkdir();
                    }
                    apkFilePath = savePath + apkName;
                    tmpFilePath = savePath + tmpApk;
                    Log.i("apkUrl","tmpFilePath"+tmpFilePath );
                }

                // 没有挂载sd卡,无法下载
                if (apkFilePath == null || apkFilePath == "") {
                    mhandler.sendEmptyMessage(DOWN_NOSDCARD);
                    return;
                }

                File ApkFile = new File(apkFilePath);

                // 输出临时文件
                File tempFile = new File(tmpFilePath);
                FileOutputStream fos = new FileOutputStream(tempFile);
                URL url = new URL(apkUrl);
                // 定义url链接对象
                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                conn.connect(); // 建立链接

                int length = conn.getContentLength(); // 得到链接内容的
                InputStream is = conn.getInputStream();

                DecimalFormat df = new DecimalFormat("0.00");
                apkFileSize = df.format((float) length / 1024 / 1024) + "MB";
                int count = 0;
                byte buf[] = new byte[1024];
                // 循环下载
                do {
                    int numread = is.read(buf);
                    count += numread;
                    tmpFileSize = df.format((float) count / 1024 / 1024) + "MB";
                    progress = (int) (((float) count / length) * 100);
                  Log.i("TAG", "tmpFileSize"+tmpFileSize);
                
                    mhandler.sendEmptyMessage(DOWN_UPDATE);
                    if (numread <= 0) {
                        if (tempFile.renameTo(ApkFile)) {
                            // 下载完成
                            mhandler.sendEmptyMessage(DOWN_OVER);
                        }
                        break;
                    }
                    fos.write(buf, 0, numread);
                } while (!interceptFlag);
                fos.close();
                is.close();

            } catch (Exception ex) {
                ex.printStackTrace();
            }

        }
    };
6.4安装

    private void installApk() {
        File apkfile = new File(apkFilePath);
        if (!apkfile.exists()) {
            return;
        }
        // 如果存在,启动安装流程
        Intent i = new Intent(Intent.ACTION_VIEW);
        i.setDataAndType(Uri.parse("file://" + apkfile.toString()),"application/vnd.android.package-archive");
        context.startActivity(i);
    }


1.启动网络webservice 通过SOAP(是web service的标准通信协议,SOAP为simple object access protocoll的缩写,简单对象访问协议. 它是一种标准化的传输消息的XML消息格式).需要导jar: ksoap2-android-assembly-2.6.0-jar-with-dependencies.jar

2.开启线程


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