好像大半年没发点啥了,也不知道自己瞎忙啥,闲下来发给最近的东东《安卓在线升级》
类已经封装好了,简单的调用就OK了。这里的数据交互,我是用.NET写的一个webservice来交互。废话也不说了,直接上代码了。
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package com.android.xt.dg;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
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.json.JSONArray;
import org.json.JSONObject;
import com.android.xt.BLL.DGWebServicesBLL;
import com.android.xt.common.AppSettingInfo;
import com.android.xt.common.Common;
import com.xt.dialog.XTAlertDialog;
import com.xt.dialog.XTProgressDialog;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager.NameNotFoundException;
import android.graphics.Bitmap.Config;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
public class CheckUpgrade {
public Activity Act; //调用该类的Activity
public String apkName= "dgapk.apk" ; //下载保存的APK名称
public XTProgressDialog pBar; //进度条
public CheckUpgrade(Activity act)
{
this .Act=act;
}
/*************
*获取当前的apk版本代码
********************/
public static int getVerCode(Context context) {
int verCode = - 1 ;
try {
//com.android.xt.dg 为程序的包名。
verCode = context.getPackageManager().getPackageInfo(
"com.android.xt.dg" , 0 ).versionCode;
} catch (NameNotFoundException e) {
}
return verCode;
}
/*************
*获取当前的apk版本名称
********************/
public static String getVerName(Context context) {
String verName = "" ;
try {
//com.android.xt.dg 为程序的包名。
verName = context.getPackageManager().getPackageInfo(
"com.android.xt.dg" , 0 ).versionName;
} catch (NameNotFoundException e) {
}
return verName;
}
/*************
*检查版本是升级。
********************/
public void GetVersionInfo()
{
//显示进度条(此处进度条为自定义的一个进度条,可以修改为原生或者你自己的进度条,也可以直接去掉)
pBar = XTProgressDialog.createDialog(Act).setMessage( "正在检查,请稍候..." );
pBar.show();
try {
//启动一个线程调用webservice读取版本信息
new Thread( new Runnable(){
public void run(){
try {
DGWebServicesBLL bll= new DGWebServicesBLL();
String msg=bll.GetServerVersion();
Message message= new Message();
message.what= 1 ;
Bundle data= new Bundle();
data.putString( "msg" , msg);
message.setData(data);
//读取数据近些界面的处理
myHandler.sendMessage(message);
} catch (Exception e) {
e.printStackTrace();
}
}
}).start();
} catch (Exception e) {
e.printStackTrace();
Common.Message(e.getMessage(), Act);
}
}
Handler myHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
try
{
pBar.dismiss(); //关闭进度条
switch (msg.what)
{
case 1 :{
//取得数据并处理,我返回的数据格式为json格式,格式示例如下
//{"result":"true","versionCode":"1","versionName":"1.0","downFile":"http://www.968610.com.cn/app/dgapp.apk"}
Bundle data=msg.getData();
String resultMsg=data.getString( "msg" );
JSONObject result= new JSONObject(resultMsg);
String jsonResult= "" ;
jsonResult=result.getString( "result" );
if (jsonResult.equals( "false" ))
{
resultMsg=result.getString( "msg" );
}
else if (jsonResult.equals( "true" ))
{
//获取服务器版本
String ServerCodeStr =result.getString( "versionCode" );
int ServerCode=Integer.parseInt(ServerCodeStr);
//服务器版本名
String ServerName =result.getString( "versionName" );
String downFile =result.getString( "downFile" );
//获取本地版本信息
int localCode=getVerCode((Context)Act);
String localName=getVerName((Context)Act);
if (ServerCode > localCode) {
doNewVersionUpdate(ServerName,localName,downFile); // 更新新版本
} else {
notNewVersionShow(ServerName); // 提示当前为最新版本
}
}
else
{
resultMsg= "读取出错." ;
}
} break ;
}
} catch (Exception ex){
Common.Message(ex.getMessage(), Act);
}
super .handleMessage(msg);
}
};
/******************
*提示无最新版本,
********************************/
private void notNewVersionShow(String ServerName) {
StringBuffer sb = new StringBuffer();
sb.append( "当前版本:" +ServerName);
sb.append( ",已是最新版,无需更新!" );
//此处对话框也为自定义对话框,
XTAlertDialog.Builder builder= new XTAlertDialog.Builder(Act);
builder.setTitle( "软件更新" ).setMessage(sb.toString());
builder.setPositiveButton( "确定" , new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
builder.create().show();
}
/******************
*更新新版本
********************************/
private void doNewVersionUpdate(String ServerName,String localName, final String DownFile) {
StringBuffer sb = new StringBuffer();
sb.append( "当前版本:" +localName);
sb.append( ", 发现新版本:" +ServerName);
sb.append( ", 是否更新?" );
XTAlertDialog.Builder builder= new XTAlertDialog.Builder(Act);
builder.setTitle( "软件更新" ).setMessage(sb.toString());
builder.setPositiveButton( "现在更新" , new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// pBar = new XTProgressDialog(Act); // pBar.setTitle("正在下载"); // pBar.setMessage("请稍候..."); //pBar.setProgressStyle(ProgressDialog.STYLE_SPINNER);
pBar = XTProgressDialog.createDialog(Act).setMessage( "正在下载,请稍候..." );
pBar.show();
downFile(DownFile);
}
});
builder.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
dialog.dismiss();
}
});
builder.create().show();
}
/*********************
*下载文件操作
**********************/
void downFile( final String url) {
pBar.show();
new Thread() { //启动线程瞎子啊
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(),
apkName);
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 ) {
}
}
}
fileOutputStream.flush();
if (fileOutputStream != null ) {
fileOutputStream.close();
}
down(); //下载完成,并通知安装
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}.start();
}
void down() {
myHandler.post( new Runnable() {
public void run() {
pBar.cancel();
update(); //并通知安装
}
});
}
void update() {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile( new File(Environment
.getExternalStorageDirectory(), apkName)),
"application/vnd.android.package-archive" );
Act.startActivity(intent);
}
} |
这就封装好了。记得调用webservices检查新版本的方法我就不发了。那个就是个读取数据的而已。
看看怎么调用吧。两句话搞定(其实应该是一句。)
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public void btnCheckUpgrade_Click(View v)
{ CheckUpgrade cu= new CheckUpgrade( this );
cu.GetVersionInfo();
} |
不扯了,咱不是官场人士,废话不说,代码重要。。。。等有空继续发些其他的。
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