Android版本检测\自动更新

package com.hiyo.game.pdk.tool;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.util.Log;
import android.webkit.URLUtil;
import com.hiyo.game.pdk.activity.R;
/**
*AndroidAutoUpdate.
*
*lazybone/2010.08.20
*
*1.SetapkUrl.
*
*2.check().
*
*3.adddelFile()methodinresume()\onPause().
*/
public class MyAutoUpdate{
public Activityactivity = null ;
public int versionCode = 0 ;
public StringversionName = "" ;
private static final StringTAG = " AutoUpdate " ;
private StringcurrentFilePath = "" ;
private StringcurrentTempFilePath = "" ;
private StringfileEx = "" ;
private StringfileNa = "" ;
private StringstrURL = " http://127.0.0.1:81/ApiDemos.apk " ;
private ProgressDialogdialog;
public MyAutoUpdate(Activityactivity){
this .activity = activity;
getCurrentVersion();
}
public void check(){
if (isNetworkAvailable( this .activity) == false ){
return ;
}
if ( true ){ // Checkversion.
showUpdateDialog();
}
}
public static boolean isNetworkAvailable(Contextctx){
try {
ConnectivityManagercm = (ConnectivityManager)ctx
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfoinfo = cm.getActiveNetworkInfo();
return (info != null && info.isConnected());
} catch (Exceptione){
e.printStackTrace();
return false ;
}
}
public void showUpdateDialog(){
@SuppressWarnings( " unused " )
AlertDialogalert = new AlertDialog.Builder( this .activity)
.setTitle( " Title " )
.setIcon(R.drawable.icon)
.setMessage( " Updateornot? " )
.setPositiveButton( " Update " ,
new DialogInterface.OnClickListener(){
public void onClick(DialogInterfacedialog,
int which){
downloadTheFile(strURL);
showWaitDialog();
}
})
.setNegativeButton( " Cancel " ,
new DialogInterface.OnClickListener(){
public void onClick(DialogInterfacedialog,
int which){
dialog.cancel();
}
}).show();
}
public void showWaitDialog(){
dialog = new ProgressDialog(activity);
dialog.setMessage( " Waittingforupdate... " );
dialog.setIndeterminate( true );
dialog.setCancelable( true );
dialog.show();
}
public void getCurrentVersion(){
try {
PackageInfoinfo = activity.getPackageManager().getPackageInfo(
activity.getPackageName(), 0 );
this .versionCode = info.versionCode;
this .versionName = info.versionName;
} catch (NameNotFoundExceptione){
e.printStackTrace();
}
}
private void downloadTheFile( final StringstrPath){
fileEx = strURL.substring(strURL.lastIndexOf( " . " ) + 1 ,strURL.length())
.toLowerCase();
fileNa = strURL.substring(strURL.lastIndexOf( " / " ) + 1 ,
strURL.lastIndexOf( " . " ));
try {
if (strPath.equals(currentFilePath)){
doDownloadTheFile(strPath);
}
currentFilePath = strPath;
Runnabler = new Runnable(){
public void run(){
try {
doDownloadTheFile(strPath);
} catch (Exceptione){
Log.e(TAG,e.getMessage(),e);
}
}
};
new Thread(r).start();
} catch (Exceptione){
e.printStackTrace();
}
}
private void doDownloadTheFile(StringstrPath) throws Exception{
Log.i(TAG, " getDataSource() " );
if ( ! URLUtil.isNetworkUrl(strPath)){
Log.i(TAG, " getDataSource()It'sawrongURL! " );
} else {
URLmyURL = new URL(strPath);
URLConnectionconn = myURL.openConnection();
conn.connect();
InputStreamis = conn.getInputStream();
if (is == null ){
throw new RuntimeException( " streamisnull " );
}
FilemyTempFile = File.createTempFile(fileNa, " . " + fileEx);
currentTempFilePath = myTempFile.getAbsolutePath();
FileOutputStreamfos = new FileOutputStream(myTempFile);
byte buf[] = new byte [ 128 ];
do {
int numread = is.read(buf);
if (numread <= 0 ){
break ;
}
fos.write(buf, 0 ,numread);
} while ( true );
Log.i(TAG, " getDataSource()Downloadok... " );
dialog.cancel();
dialog.dismiss();
openFile(myTempFile);
try {
is.close();
} catch (Exceptionex){
Log.e(TAG, " getDataSource()error: " + ex.getMessage(),ex);
}
}
}
private void openFile(Filef){
Intentintent = new Intent();
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(android.content.Intent.ACTION_VIEW);
Stringtype = getMIMEType(f);
intent.setDataAndType(Uri.fromFile(f),type);
activity.startActivity(intent);
}
public void delFile(){
Log.i(TAG, " TheTempFile( " + currentTempFilePath + " )wasdeleted. " );
FilemyFile = new File(currentTempFilePath);
if (myFile.exists()){
myFile.delete();
}
}
private StringgetMIMEType(Filef){
Stringtype = "" ;
StringfName = f.getName();
Stringend = fName
.substring(fName.lastIndexOf( " . " ) + 1 ,fName.length())
.toLowerCase();
if (end.equals( " m4a " ) || end.equals( " mp3 " ) || end.equals( " mid " )
|| end.equals( " xmf " ) || end.equals( " ogg " ) || end.equals( " wav " )){
type = " audio " ;
} else if (end.equals( " 3gp " ) || end.equals( " mp4 " )){
type = " video " ;
} else if (end.equals( " jpg " ) || end.equals( " gif " ) || end.equals( " png " )
|| end.equals( " jpeg " ) || end.equals( " bmp " )){
type = " image " ;
} else if (end.equals( " apk " )){
type = " application/vnd.android.package-archive " ;
} else {
type = " * " ;
}
if (end.equals( " apk " )){
} else {
type += " /* " ;
}
return type;
}
}

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