安卓升级提示 phoneGap APK软件更新提示

以下代码由PHP200 阿杜整理 
package com.example.syzx;

 

import java.io.BufferedReader;

import java.io.File;

import java.io.FileOutputStream;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.HttpURLConnection;

import java.net.URL;

 

import org.apache.cordova.DroidGap;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.impl.client.DefaultHttpClient;

import org.json.JSONArray;

import org.json.JSONObject;

 

import com.example.syzx.MainActivity;

import com.example.syzx.R;

 

import android.net.ConnectivityManager;

import android.net.NetworkInfo;

import android.net.Uri;

import android.os.Bundle;

import android.os.Environment;

import android.os.Handler;

import android.os.Message;

import android.os.StrictMode;

import android.annotation.SuppressLint;

import android.app.AlertDialog;

import android.app.Dialog;

import android.app.ProgressDialog;

import android.content.ComponentName;

import android.content.Context;

import android.content.DialogInterface;

import android.content.Intent;

import android.content.pm.PackageInfo;

import android.content.pm.PackageManager;

import android.content.pm.PackageManager.NameNotFoundException;

import android.util.Log;

 

@SuppressLint({ "HandlerLeak", "NewApi" })

public class MainActivity extends DroidGap {

 

String jsonurl = "http://192.168.2.100/app/version.js";

String newVerName = "";// 新版本名称

String downurl = "";//下载 地址

int newVerCode = -1;// 新版本号

String UPDATE_SERVERAPK = "yhupdate.apk";

ProgressDialog pd = null;

 

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().detectDiskReads().detectDiskWrites().detectNetwork().penaltyLog().build());

super.setIntegerProperty("splashscreen", R.drawable.splash);

 

if(checkNetWorkStatus()){

updateVersion();

super.loadUrl("file:///android_asset/www/index.html", 3000);

//super.loadUrl("file:///android_asset/www/test/index.html", 3000);

}  

}

 

 

 

 

 

 

 

/**

* 检测版本

*/

public void updateVersion() {

if (getServerVer()) {

int verCode = this.getVerCode(this);

if (newVerCode > verCode) {

doNewVersionUpdate();// 更新版本

}

}

}

 

/**

* 获得版本号

*/

public int getVerCode(Context context) {

int verCode = -1;

try {

String packName = context.getPackageName();

verCode = context.getPackageManager().getPackageInfo(packName, 0).versionCode;

} catch (NameNotFoundException e) {

// TODO Auto-generated catch block

Log.e("版本号获取异常", e.getMessage());

}

return verCode;

}

 

/**

     * 获得版本名称

     */

    public String getVerName(Context context){

        String verName = "";

        try {

         String packName = context.getPackageName();

            verName = context.getPackageManager().getPackageInfo(packName, 0).versionName;

        } catch (NameNotFoundException e) {

            Log.e("版本名称获取异常", e.getMessage());

        }

        return verName;

    }

/**

* 检测版本

* @return

* @throws Exception

*/

public String getVerName(){

 //获取包名

 PackageManager packageManager = getPackageManager();

 

 PackageInfo packInfo = null;

try {

packInfo = packageManager.getPackageInfo(getPackageName(), 0);

} catch (NameNotFoundException e) {

// TODO 自动生成的 catch 块

e.printStackTrace();

}

    return packInfo.versionName; 

 }

 

 

/**

* 从服务器端获得版本号与版本名称

*/

public boolean getServerVer() {

try {

URL url = new URL(jsonurl);

HttpURLConnection httpConnection = (HttpURLConnection) url.openConnection();

httpConnection.setDoInput(true);

httpConnection.setDoOutput(true);

httpConnection.setRequestMethod("GET");

httpConnection.connect();

InputStreamReader reader = new InputStreamReader(httpConnection.getInputStream());

BufferedReader bReader = new BufferedReader(reader);

String json = bReader.readLine();

JSONArray array = new JSONArray(json);

JSONObject jsonObj = array.getJSONObject(0);

newVerCode = Integer.parseInt(jsonObj.getString("verCode"));

newVerName = jsonObj.getString("verName");

downurl = jsonObj.getString("downurl");

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

return true;// 如果这里改为false 则不更新会退出程序

}

return true;

}

 

/**

* 更新版本

*/

public void doNewVersionUpdate() {

int verCode = this.getVerCode(this);

String verName = this.getVerName(this);

StringBuffer sb = new StringBuffer();

sb.append("当前版本：");

sb.append(verName);

sb.append(" V");

sb.append(verCode);

sb.append(",发现版本：");

sb.append(newVerName);

sb.append(" V");

sb.append(newVerCode);

sb.append(",是否更新?");

Dialog dialog = new AlertDialog.Builder(this)

.setTitle("软件更新")

.setMessage(sb.toString())

.setPositiveButton("更新", new DialogInterface.OnClickListener() {

 

public void onClick(DialogInterface dialog, int which) {

// TODO Auto-generated method stub

pd = new ProgressDialog(MainActivity.this);

pd.setTitle("正在下载");

pd.setMessage("请稍后。。。");

pd.setProgressStyle(ProgressDialog.STYLE_SPINNER);

downFile(downurl);

}

})

.setNegativeButton("暂不更新",

new DialogInterface.OnClickListener() {

 

public void onClick(DialogInterface dialog,

int which) {

// TODO Auto-generated method stub

// finish();

}

}).create();

// 显示更新框

dialog.show();

}

 

/**

* 下载apk

*/

public void downFile(final String url) {

pd.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();

InputStream is = entity.getContent();

FileOutputStream fileOutputStream = null;

if (is != null) {

File file = new File(

Environment.getExternalStorageDirectory(),

UPDATE_SERVERAPK);

fileOutputStream = new FileOutputStream(file);

byte[] b = new byte[1024];

int charb = -1;

int count = 0;

while ((charb = is.read(b)) != -1) {

fileOutputStream.write(b, 0, charb);

count += charb;

}

}

fileOutputStream.flush();

if (fileOutputStream != null) {

fileOutputStream.close();

}

down();

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}.start();

}

 

Handler handler = new Handler() {

 

@Override

public void handleMessage(Message msg) {

 

super.handleMessage(msg);

pd.cancel();

update();

}

};

 

/**

* 下载完成，通过handler将下载对话框取消

*/

public void down() {

new Thread() {

public void run() {

Message message = handler.obtainMessage();

handler.sendMessage(message);

}

}.start();

}

 

 

/**

* 安装应用

*/

public void update() {

Intent intent = new Intent(Intent.ACTION_VIEW);

intent.setDataAndType(Uri.fromFile(new File(Environment

.getExternalStorageDirectory(), UPDATE_SERVERAPK)),

"application/vnd.android.package-archive");

startActivity(intent);

}

 

 

/**

* check network Status

* 

* @return boolean

*/

public boolean checkNetWorkStatus() {

boolean result;

ConnectivityManager cm = (ConnectivityManager) this

.getSystemService(Context.CONNECTIVITY_SERVICE);

NetworkInfo netinfo = cm.getActiveNetworkInfo();

if (netinfo != null && netinfo.isConnected()) { // 当前网络可用

result = true;

} else { // 不可用

 

new AlertDialog.Builder(MainActivity.this)

.setMessage("检查到没有可用的网络连接,请打开网络连接")

.setPositiveButton("确定",

new DialogInterface.OnClickListener() {

public void onClick(

DialogInterface dialoginterface, int i) {

ComponentName cn = new ComponentName(

"com.android.settings",

"com.android.settings.Settings");

Intent intent = new Intent();

intent.setComponent(cn);

intent.setAction("android.intent.action.VIEW");

startActivity(intent);

finish();

}

}).show();

result = false;

}

return result;

}

 

}