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android的版本号检测与更新(不含服务器端代码)

Android平台开发

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  • 开发语言:Java
  • 实例大小:1.28M
  • 下载次数:22
  • 浏览次数:806
  • 发布时间:2016-03-31
  • 实例类别:Android平台开发
  • 发 布 人:四度空间
  • 文件格式:.rar
  • 所需积分:4
 相关标签: Android 版本号 更新

实例介绍

【实例简介】common.java中 有apk下载地址以及服务器的地址(需做更改) ,如下

public static final String SERVER_IP="http://192.168.1.105/";  
   public static final String SERVER_ADDRESS=SERVER_IP "try_downloadFile_progress_server/index.php";//软件更新包地址  
   public static final String UPDATESOFTADDRESS=SERVER_IP "try_downloadFile_progress_server/update_pakage/baidu.apk";//软件更新包地址  

【实例截图】

【核心代码】

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package com.example.testversion;
 
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
 
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
 
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
 
public class MainActivity extends Activity {
 
     Button m_btnCheckNewestVersion; 
        long m_newVerCode; //最新版的版本号 
        String m_newVerName; //最新版的版本名 
        String m_appNameStr; //下载到本地要给这个APP命的名字 
           
        Handler m_mainHandler; 
        ProgressDialog m_progressDlg; 
        @Override 
        protected void onCreate(Bundle savedInstanceState) { 
            super.onCreate(savedInstanceState); 
            setContentView(R.layout.activity_main); 
               
            //初始化相关变量 
            initVariable(); 
               
            m_btnCheckNewestVersion.setOnClickListener(btnClickListener); 
        
        private void initVariable() 
        
            m_btnCheckNewestVersion = (Button)findViewById(R.id.chek_newest_version); 
            m_mainHandler = new Handler(); 
            m_progressDlg =  new ProgressDialog(this); 
            m_progressDlg.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); 
             // 设置ProgressDialog 的进度条是否不明确 false 就是不设置为不明确      
            m_progressDlg.setIndeterminate(false);     
            m_appNameStr = "haha.apk"
        
           
        OnClickListener btnClickListener = new View.OnClickListener() { 
               
            @Override 
            public void onClick(View v) { 
                new checkNewestVersionAsyncTask().execute(); 
            
        }; 
           
        class checkNewestVersionAsyncTask extends AsyncTask<Void, Void, Boolean> 
        
       
            @Override 
            protected Boolean doInBackground(Void... params) { 
                if(postCheckNewestVersionCommand2Server()) 
                
                    int vercode = Common.getVerCode(getApplicationContext()); // 用到前面第一节写的方法   
                     if (m_newVerCode > vercode) {   
                         return true
                     } else {   
                         return false
                     }   
                
                return false
            
               
            @Override 
            protected void onPostExecute(Boolean result) { 
                if (result) {//如果有最新版本 
                    doNewVersionUpdate(); // 更新新版本   
                }else
                    notNewVersionDlgShow(); // 提示当前为最新版本   
                
                super.onPostExecute(result); 
            
               
            @Override 
            protected void onPreExecute() { 
                super.onPreExecute(); 
            
        
           
        /**
         * 从服务器获取当前最新版本号,如果成功返回TURE,如果失败,返回FALSE
         * @return
         */ 
        private Boolean postCheckNewestVersionCommand2Server() 
        
            StringBuilder builder = new StringBuilder(); 
            JSONArray jsonArray = null
            try
                // 构造POST方法的{name:value} 参数对 
                List<NameValuePair> vps = new ArrayList<NameValuePair>(); 
                // 将参数传入post方法中 
                vps.add(new BasicNameValuePair("action", "checkNewestVersion")); 
                builder = Common.post_to_server(vps); 
                jsonArray = new JSONArray(builder.toString()); 
                if (jsonArray.length()>0) { 
                    if (jsonArray.getJSONObject(0).getInt("id") == 1) { 
                        m_newVerName = jsonArray.getJSONObject(0).getString("verName"); 
                        m_newVerCode = jsonArray.getJSONObject(0).getLong("verCode"); 
                           
                        return true
                    
                
           
                return false
            } catch (Exception e) { 
                Log.e("msg",e.getMessage()); 
                m_newVerName=""
                m_newVerCode=-1
                return false
            
        
           
        /**
         * 提示更新新版本
         */ 
            private void doNewVersionUpdate() { 
                int verCode = Common.getVerCode(getApplicationContext());   
                String verName = Common.getVerName(getApplicationContext());   
                   
                String str= "当前版本:" verName " Code:" verCode " ,发现新版本:" m_newVerName  
                        " Code:" m_newVerCode " ,是否更新?";   
                Dialog dialog = new AlertDialog.Builder(this).setTitle("软件更新").setMessage(str)   
                        // 设置内容   
                        .setPositiveButton("更新",// 设置确定按钮   
                                new DialogInterface.OnClickListener() {   
                                    @Override   
                                    public void onClick(DialogInterface dialog,   
                                            int which) {  
                                        m_progressDlg.setTitle("正在下载");   
                                        m_progressDlg.setMessage("请稍候...");   
                                        downFile(Common.UPDATESOFTADDRESS);  //开始下载 
                                    }   
                                })   
                        .setNegativeButton("暂不更新",   
                                new DialogInterface.OnClickListener() {   
                                    public void onClick(DialogInterface dialog,   
                                            int whichButton) {   
                                        // 点击"取消"按钮之后退出程序   
                                        finish();   
                                    }   
                                }).create();// 创建   
                // 显示对话框   
                dialog.show();   
            
            /**
             *  提示当前为最新版本  
             */ 
            private void notNewVersionDlgShow() 
            
                int verCode = Common.getVerCode(this);   
                String verName = Common.getVerName(this);  
                String str="当前版本:" verName " Code:" verCode ",/n已是最新版,无需更新!"
                Dialog dialog = new AlertDialog.Builder(this).setTitle("软件更新")   
                        .setMessage(str)// 设置内容   
                        .setPositiveButton("确定",// 设置确定按钮   
                                new DialogInterface.OnClickListener() {   
                                    @Override   
                                    public void onClick(DialogInterface dialog,   
                                            int which) {   
                                        finish();   
                                    }   
                                }).create();// 创建   
                // 显示对话框   
                dialog.show();   
            
            private void downFile(final String url) 
            
                m_progressDlg.show();   
                new Thread() {   
                    public void run() {   
                        HttpClient client = new DefaultHttpClient();   
                        HttpGet get = new HttpGet(url);   
                        HttpResponse response;   
                        try {   
                            response = client.execute(get);   
                            HttpEntity entity = response.getEntity();   
                            long length = entity.getContentLength();   
                               
                            m_progressDlg.setMax((int)length);//设置进度条的最大值 
                               
                            InputStream is = entity.getContent();   
                            FileOutputStream fileOutputStream = null;   
                            if (is != null) {   
                                File file = new File(   
                                        Environment.getExternalStorageDirectory(),   
                                        m_appNameStr);   
                                fileOutputStream = new FileOutputStream(file);   
                                byte[] buf = new byte[1024];   
                                int ch = -1;   
                                int count = 0;   
                                while ((ch = is.read(buf)) != -1) {   
                                    fileOutputStream.write(buf, 0, ch);   
                                    count  = ch;   
                                    if (length > 0) {   
                                         m_progressDlg.setProgress(count); 
                                    }   
                                }   
                            }   
                            fileOutputStream.flush();   
                            if (fileOutputStream != null) {   
                                fileOutputStream.close();   
                            }   
                            down();   
                        } catch (ClientProtocolException e) {   
                            e.printStackTrace();   
                        } catch (IOException e) {   
                            e.printStackTrace();   
                        }   
                    }   
                }.start();   
            
            private void down() { 
                m_mainHandler.post(new Runnable() { 
                    public void run() { 
                        m_progressDlg.cancel(); 
                        update(); 
                    
                }); 
        
               
            void update() { 
                Intent intent = new Intent(Intent.ACTION_VIEW); 
                intent.setDataAndType(Uri.fromFile(new File(Environment 
                        .getExternalStorageDirectory(), m_appNameStr)), 
                        "application/vnd.android.package-archive"); 
                startActivity(intent); 
            
 
}

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android的版本号检测与更新(不含服务器端代码)

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