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Android检测服务器JSON在线更新程序,完整(拿来可以直接用)

时间:2024-3-2 17:29     作者:韩俊     分类: Android


<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">Compile Sdk Version:API 21: Android 4.X (L Preview)</span>

Build Tools Version:21.1.2

Min Sdk Version:API 9: Android 2.3 (Gingerbread)


UpdateManger.java类

package com.kkjspt.business;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.Toast;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;

/**
 *@author coolszy
 *@date 2015-5-8
 *@酷酷kkjspt.com
 */

public class UpdateManager
{
    /* 下载中 */
    private static final int DOWNLOAD = 1;
    /* 下载结束 */
    private static final int DOWNLOAD_FINISH = 2;

    private static final int DOWNLOADJSON = 3;
    /* 保存解析的XML信息 */
    HashMap<String, String> mHashMap;
    /* 下载保存路径 */
    private String mSavePath;
    /* 记录进度条数量 */
    private int progress;
    /* 是否取消更新 */
    private boolean cancelUpdate = false;
    //下载版本xml文件成功
    private static final int DOWNLOAD_XML= 3;
    public static int ServerVersion = 0;
    public static String ServerAppdownurl = "http://kkjspt.com/kukusoft/appgjh/gjh.app";
    public static String ServerAppname = "gjh.app";

    private Context mContext;
    /* 更新进度条 */
    private ProgressBar mProgress;
    private Dialog mDownloadDialog;

    private Handler mHandler = new Handler()
    {
        public void handleMessage(Message msg)
        {
            switch (msg.what)
            {
                // 正在下载
                case DOWNLOAD:
                    // 设置进度条位置
                    mProgress.setProgress(progress);
                    break;
                case DOWNLOAD_FINISH:
                    // 安装文件
                    installApk();
                    break;
                case DOWNLOADJSON:
                    checkUpdate();
                    break;
                default:
                    break;
            }
        };
    };
    public UpdateManager(Context context)
    {
        this.mContext = context;
    }

    /**
     * 检测软件更新
     */
    public void checkUpdate()
    {
        if (isUpdate())
        {
            // 显示提示对话框
            showNoticeDialog();
        } else
        {
            Toast.makeText(mContext, R.string.soft_update_no, Toast.LENGTH_LONG).show();
        }
    }

    /**
     * 访问版本控制json
     */
    protected void downloadJson()
    {
        // 启动新线程下载软件
        new fangwenjson().start();
    }
    /**
     * 检查软件是否有更新版本
     *
     * @return
     */
    private boolean isUpdate()
    {
        // 获取当前软件版本
        int versionCode = getVersionCode(mContext);
        if (ServerVersion>versionCode)
        {
            return true;
        }
        return false;
    }

    /**
     * 下载文件线程
     *
     * @author kkjspt.com
     *@date 2015-05-13
     *@blog http://kkjspt.com
     */
    private class fangwenjson extends Thread
    {
        @Override
        public void run()
        {
            try
            {
                //服务器  :服务器项目  :servlet名称
                String path="http://192.168.137.1/Admin/AppUpdate/";
                HttpGet httpGET=new HttpGet(path);
                HttpResponse response=new DefaultHttpClient().execute(httpGET);
                if(response.getStatusLine().getStatusCode()==200){
                    HttpEntity entity=response.getEntity();
                    String jsonstr= EntityUtils.toString(entity, HTTP.UTF_8);

                    JSONObject jsonObject = new JSONObject(jsonstr);
                    String success = jsonObject.get("success").toString();
                    JSONObject result = jsonObject.getJSONObject("update");
                    String version = result.getString("version").toString().trim();
                    String appdownurl = result.getString("appdownurl");
                    String name = result.getString("name");

                    if(version!="")
                    {
                        mHandler.sendEmptyMessage(DOWNLOADJSON);
                        ServerVersion= Integer.parseInt(version);
                        ServerAppdownurl=appdownurl;
                        ServerAppname=name;
                    }
                }

            } catch (MalformedURLException e)
            {
                e.printStackTrace();
            } catch (IOException e)
            {
                e.printStackTrace();
            } catch (JSONException e) {
                e.printStackTrace();
            }

        }
    };

    /**
     * 获取软件版本号
     *
     * @param context
     * @return
     */
    private int getVersionCode(Context context)
    {
        int versionCode = 0;
        try
        {
            // 获取软件版本号,对应AndroidManifest.xml下android:versionCode
            versionCode = context.getPackageManager().getPackageInfo(context.getPackageName(),0).versionCode;
        } catch (NameNotFoundException e)
        {
            e.printStackTrace();
        }
        return versionCode;
    }

    /**
     * 显示软件更新对话框
     */
    private void showNoticeDialog()
    {
        // 构造对话框
        Builder builder = new Builder(mContext);
        builder.setTitle(R.string.soft_update_title);
        builder.setMessage(R.string.soft_update_info);
        // 更新
        builder.setPositiveButton(R.string.soft_update_updatebtn, new OnClickListener()
        {
            @Override
            public void onClick(DialogInterface dialog, int which)
            {
                dialog.dismiss();
                // 显示下载对话框
                showDownloadDialog();
            }
        });
        // 稍后更新
        /*是我注释掉的,因为必须让用户更新
        builder.setNegativeButton(R.string.soft_update_later, new OnClickListener()
        {
            @Override
            public void onClick(DialogInterface dialog, int which)
            {
                //dialog.dismiss();//退出更新对话框

            }
        });
        */

        Dialog noticeDialog = builder.create();
        noticeDialog.show();
    }

    /**
     * 显示软件下载对话框
     */
    private void showDownloadDialog()
    {
        // 构造软件下载对话框
        Builder builder = new Builder(mContext);
        builder.setTitle(R.string.soft_updating);
        // 给下载对话框增加进度条
        final LayoutInflater inflater = LayoutInflater.from(mContext);
        View v = inflater.inflate(R.layout.loading, null);
        mProgress = (ProgressBar) v.findViewById(R.id.update_progress);
        builder.setView(v);
        /*我自己注释掉的,必须让程序更新完成
        // 取消更新
        builder.setNegativeButton(R.string.soft_update_cancel, new OnClickListener()
        {
            @Override
            public void onClick(DialogInterface dialog, int which)
            {
                dialog.dismiss();
                // 设置取消状态
                cancelUpdate = true;
            }
        });
        */

        mDownloadDialog = builder.create();
        mDownloadDialog.show();
        // 现在文件
        downloadApk();
    }

    /**
     * 下载apk文件
     */
    private void downloadApk()
    {
        // 启动新线程下载软件
        new downloadApkThread().start();
    }

    /**
     * 下载文件线程
     *
     * @author kkjspt.com
     *@date 2015-05-13
     *@blog http://kkjspt.com
     */
    private class downloadApkThread extends Thread
    {
        @Override
        public void run()
        {
            try
            {
                // 判断SD卡是否存在,并且是否具有读写权限
                if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED))
                {
                    // 获得存储卡的路径
                    String sdpath = Environment.getExternalStorageDirectory() + "/";
                    mSavePath = sdpath + "gjh/app/";
                    //  URL url = new URL(mHashMap.get("url"));
                    URL url = new URL(ServerAppdownurl);
                    // 创建连接
                    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                    conn.connect();
                    // 获取文件大小
                    int length = conn.getContentLength();
                    // 创建输入流
                    InputStream is = conn.getInputStream();

                    File file = new File(mSavePath);
                    // 判断文件目录是否存在
                    if (!file.exists())
                    {
                        file.mkdirs();//创建多层次目录
                        //  file.mkdir();//创建单层目录
                    }
                    File apkFile = new File(mSavePath,ServerAppname);
                    FileOutputStream fos = new FileOutputStream(apkFile);
                    int count = 0;
                    // 缓存
                    byte buf[] = new byte[1024];
                    // 写入到文件中
                    do
                    {
                        int numread = is.read(buf);
                        count += numread;
                        // 计算进度条位置
                        progress = (int) (((float) count / length) * 100);
                        // 更新进度
                        mHandler.sendEmptyMessage(DOWNLOAD);
                        if (numread <= 0)
                        {
                            // 下载完成
                            mHandler.sendEmptyMessage(DOWNLOAD_FINISH);
                            break;
                        }
                        // 写入文件
                        fos.write(buf, 0, numread);
                    } while (!cancelUpdate);// 点击取消就停止下载.
                    fos.close();
                    is.close();
                }
            } catch (MalformedURLException e)
            {
                e.printStackTrace();
            } catch (IOException e)
            {
                e.printStackTrace();
            }
            // 取消下载对话框显示
            mDownloadDialog.dismiss();
        }
    };

    /**
     * 安装APK文件
     */
    private void installApk()
    {
        File apkfile = new File(mSavePath,ServerAppname);
        if (!apkfile.exists())
        {
            return;
        }
        // 通过Intent安装APK文件
        Intent i = new Intent(Intent.ACTION_VIEW);
        i.setDataAndType(Uri.parse("file://" + apkfile.toString()), "application/vnd.android.package-archive");
        mContext.startActivity(i);
    }
}

values/strings.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <!--软件更新检测-->
    <string name="soft_update_no">您当前的软件是最新版本</string>
    <string name="soft_update_title">提示</string>
    <string name="soft_update_info">您当前的软件版本已过期,请下载最新版本!</string>
    <string name="soft_update_updatebtn">开始更新</string>
    <string name="soft_update_later">稍后更新</string>
    <string name="soft_updating">正在下载最新的程序安装包</string>
    <string name="softupdate_progress">更新进度条</string>
    <string name="soft_update_cancel">取消更新</string>

</resources>


values/ids.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <item type="id" name="update_progress" />
</resources>

layout/loading.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">
    <ProgressBar
        style="@android:style/Widget.ProgressBar.Horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:id="@id/update_progress"
        />
</LinearLayout>

在需要的地方引用

UpdateManager um=new UpdateManager(satrt.this);
um.downloadJson();//软件版本更新检测







标签: android

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