版本更新
- 本文是以解析xml的爲例
.從服務器獲取版本號（版本號存在於xml文件中）並與當前檢測到的版本進行匹配，如果不匹配，提示用戶進行升級，如果匹配則進入程序主界面。
當提示用戶進行版本升級時，如果用戶點擊了確定，系統將自動從服務器上下載並進行自動升級，如果點擊取消將進入程序主界面。
首先我們需要請求網絡的信息得到接口裏面給我們都是什麼信息
我們以這個接口爲例：(http://www.oschina.net/MobileAppVersion.xml)
以下是關鍵的一個更新的工具類：
<code class="hljs java has-numbering"><span class="hljs-keyword">import</span> java.io.BufferedInputStream;
<span class="hljs-keyword">import</span> java.io.File;
<span class="hljs-keyword">import</span> java.io.FileNotFoundException;
<span class="hljs-keyword">import</span> java.io.FileOutputStream;
<span class="hljs-keyword">import</span> java.io.IOException;
<span class="hljs-keyword">import</span> java.io.InputStream;
<span class="hljs-keyword">import</span> java.net.HttpURLConnection;
<span class="hljs-keyword">import</span> java.net.MalformedURLException;
<span class="hljs-keyword">import</span> java.net.URL;
<span class="hljs-keyword">import</span> com.bwei.test.url.URLS;
<span class="hljs-keyword">import</span> android.app.AlertDialog;
<span class="hljs-keyword">import</span> android.app.ProgressDialog;
<span class="hljs-keyword">import</span> android.app.AlertDialog.Builder;
<span class="hljs-keyword">import</span> android.content.Context;
<span class="hljs-keyword">import</span> android.content.DialogInterface;
<span class="hljs-keyword">import</span> android.content.Intent;
<span class="hljs-keyword">import</span> android.content.pm.PackageInfo;
<span class="hljs-keyword">import</span> android.content.pm.PackageManager;
<span class="hljs-keyword">import</span> android.content.pm.PackageManager.NameNotFoundException;
<span class="hljs-keyword">import</span> android.net.Uri;
<span class="hljs-keyword">import</span> android.os.Environment;
<span class="hljs-keyword">import</span> android.os.Handler;
<span class="hljs-keyword">import</span> android.os.Message;
<span class="hljs-keyword">import</span> android.util.Log;
<span class="hljs-keyword">import</span> android.widget.Button;
<span class="hljs-keyword">import</span> android.widget.Toast;
<span class="hljs-javadoc">/**
* 更新版本的工具類
*<span class="hljs-javadoctag"> @author</span>
*<span class="hljs-javadoctag"> @date</span>
*
*/</span>
<span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">UpdateVersionutil</span> {</span>
<span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> String TAG = <span class="hljs-keyword">this</span>.getClass().getName();
<span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> <span class="hljs-keyword">int</span> UPDATA_NONEED = <span class="hljs-number">0</span>;
<span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> <span class="hljs-keyword">int</span> UPDATA_CLIENT = <span class="hljs-number">1</span>;
<span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> <span class="hljs-keyword">int</span> GET_UNDATAINFO_ERROR = <span class="hljs-number">2</span>;
<span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> <span class="hljs-keyword">int</span> SDCARD_NOMOUNTED = <span class="hljs-number">3</span>;
<span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> <span class="hljs-keyword">int</span> DOWN_ERROR = <span class="hljs-number">4</span>;
<span class="hljs-keyword">private</span> Button getVersion;
<span class="hljs-keyword">private</span> String localVersion;
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> Context mContext;
<span class="hljs-keyword">private</span> <span class="hljs-keyword">static</span> UpdateVersionutil updateVersionutil;
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">boolean</span> mNeedUpdate;
InputStream is;
<span class="hljs-keyword">private</span> Update parse;
<span class="hljs-keyword">public</span> <span class="hljs-title">UpdateVersionutil</span>(Context mContext) {
<span class="hljs-keyword">super</span>();
<span class="hljs-keyword">this</span>.mContext = mContext;
}
<span class="hljs-javadoc">/**
* 檢測更新
*/</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">startUpdate</span>(){
localVersion = getVersionName();
CheckVersionTask cv = <span class="hljs-keyword">new</span> CheckVersionTask();
<span class="hljs-keyword">new</span> Thread(cv).start();
}
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> UpdateVersionutil <span class="hljs-title">getUpdataManger</span>(Context context){
<span class="hljs-keyword">if</span>(updateVersionutil==<span class="hljs-keyword">null</span>){
updateVersionutil=<span class="hljs-keyword">new</span> UpdateVersionutil(context);
}
<span class="hljs-keyword">return</span> updateVersionutil;
}
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">void</span> <span class="hljs-title">checkUpdata</span>(){
updateVersionutil.startUpdate();
}
<span class="hljs-keyword">private</span> String <span class="hljs-title">getVersionName</span>() {
<span class="hljs-comment">//getPackageName()是你當前類的包名，0代表是獲取版本信息 </span>
PackageManager packageManager =mContext.getPackageManager();
PackageInfo packInfo = <span class="hljs-keyword">null</span>;
<span class="hljs-keyword">try</span> {
packInfo = packageManager.getPackageInfo(mContext.getPackageName(),
<span class="hljs-number">0</span>);
} <span class="hljs-keyword">catch</span> (NameNotFoundException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
<span class="hljs-keyword">return</span> packInfo.versionName;
}
<span class="hljs-javadoc">/**
* 網絡請求
* 獲取到網絡接口的版本號進行對比
*<span class="hljs-javadoctag"> @author</span>
*<span class="hljs-javadoctag"> @date</span>
*/</span>
<span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">CheckVersionTask</span> <span class="hljs-keyword">implements</span> <span class="hljs-title">Runnable</span> {</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">run</span>() {
<span class="hljs-keyword">try</span> {
<span class="hljs-comment">//這裏URLS.UPDATE_VERSION 是網絡接口獲取網絡信息</span>
URL url = <span class="hljs-keyword">new</span> URL(URLS.UPDATE_VERSION);
<span class="hljs-comment">//*****************************************************</span>
HttpURLConnection conn = (HttpURLConnection) url
.openConnection();
conn.setConnectTimeout(<span class="hljs-number">5000</span>);
conn.setRequestMethod(<span class="hljs-string">"GET"</span>);
<span class="hljs-keyword">int</span> responseCode = conn.getResponseCode();
<span class="hljs-keyword">if</span> (responseCode == <span class="hljs-number">200</span>) {
<span class="hljs-comment">// 從服務器獲得一個輸入流 </span>
is = conn.getInputStream();
}
<span class="hljs-comment">//*******************************************</span>
<span class="hljs-comment">//調用解析的方法</span>
parse = Update.parse(is);
Url = parse.getDownloadUrl();
<span class="hljs-comment">//**********************************************</span>
System.out.println(<span class="hljs-string">"新版版本名:"</span>+parse.getVersionName());
System.out.println(<span class="hljs-string">"本地版本名:"</span>+localVersion);
<span class="hljs-comment">//對比版本號</span>
<span class="hljs-keyword">if</span> (parse.getVersionName().equals(localVersion)) {
mNeedUpdate=<span class="hljs-keyword">false</span>;
Log.i(TAG, <span class="hljs-string">"版本號相同"</span>);
Message msg = <span class="hljs-keyword">new</span> Message();
msg.what = UPDATA_NONEED;
handler.sendMessage(msg);
<span class="hljs-comment">// LoginMain();</span>
} <span class="hljs-keyword">else</span> {
mNeedUpdate=<span class="hljs-keyword">true</span>;
Log.i(TAG, <span class="hljs-string">"版本號不相同 "</span>);
Message msg = <span class="hljs-keyword">new</span> Message();
msg.what = UPDATA_CLIENT;
handler.sendMessage(msg);
}
} <span class="hljs-keyword">catch</span> (Exception e) {
Message msg = <span class="hljs-keyword">new</span> Message();
msg.what = GET_UNDATAINFO_ERROR;
handler.sendMessage(msg);
e.printStackTrace();
}
}
}
Handler handler = <span class="hljs-keyword">new</span> Handler() {
<span class="hljs-annotation">@Override</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">handleMessage</span>(Message msg) {
<span class="hljs-comment">// TODO Auto-generated method stub</span>
<span class="hljs-keyword">super</span>.handleMessage(msg);
<span class="hljs-keyword">switch</span> (msg.what) {
<span class="hljs-keyword">case</span> UPDATA_NONEED:
Toast.makeText(mContext, <span class="hljs-string">"不需要更新"</span>,
Toast.LENGTH_SHORT).show();
<span class="hljs-keyword">case</span> UPDATA_CLIENT:
<span class="hljs-comment">//對話框通知用戶升級程序 </span>
showUpdataDialog();
<span class="hljs-keyword">break</span>;
<span class="hljs-keyword">case</span> GET_UNDATAINFO_ERROR:
<span class="hljs-comment">//服務器超時 </span>
Toast.makeText(mContext, <span class="hljs-string">"獲取服務器更新信息失敗"</span>, <span class="hljs-number">1</span>).show();
<span class="hljs-keyword">break</span>;
<span class="hljs-keyword">case</span> DOWN_ERROR:
<span class="hljs-comment">//下載apk失敗 </span>
Toast.makeText(mContext, <span class="hljs-string">"下載新版本失敗"</span>, <span class="hljs-number">1</span>).show();
<span class="hljs-keyword">break</span>;
}
}
};
<span class="hljs-comment">/*
*
* 彈出對話框通知用戶更新程序
*
* 彈出對話框的步驟：
* 1.創建alertDialog的builder.
* 2.要給builder設置屬性, 對話框的內容,樣式,按鈕
* 3.通過builder 創建一個對話框
* 4.對話框show()出來
*/</span>
<span class="hljs-keyword">protected</span> <span class="hljs-keyword">void</span> <span class="hljs-title">showUpdataDialog</span>() {
AlertDialog.Builder builer = <span class="hljs-keyword">new</span> Builder(mContext);
builer.setTitle(<span class="hljs-string">"版本升級"</span>);
<span class="hljs-comment">//*********************************************</span>
<span class="hljs-comment">//更新提示語</span>
builer.setMessage(parse.getUpdateLog());
<span class="hljs-comment">//*******************************************************</span>
<span class="hljs-comment">//當點確定按鈕時從服務器上下載 新的apk 然後安裝 װ</span>
builer.setPositiveButton(<span class="hljs-string">"立馬更新"</span>, <span class="hljs-keyword">new</span> DialogInterface.OnClickListener() {
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">onClick</span>(DialogInterface dialog, <span class="hljs-keyword">int</span> which) {
Log.i(TAG, <span class="hljs-string">"下載apk,更新"</span>);
downLoadApk();
}
});
builer.setNegativeButton(<span class="hljs-string">"稍後再說"</span>, <span class="hljs-keyword">new</span> DialogInterface.OnClickListener() {
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">onClick</span>(DialogInterface dialog, <span class="hljs-keyword">int</span> which) {
<span class="hljs-comment">// TODO Auto-generated method stub</span>
<span class="hljs-comment">//do sth</span>
}
});
AlertDialog dialog = builer.create();
dialog.show();
}
<span class="hljs-comment">/*
* 從服務器中下載APK
*/</span>
<span class="hljs-keyword">protected</span> <span class="hljs-keyword">void</span> <span class="hljs-title">downLoadApk</span>() {
<span class="hljs-keyword">final</span> ProgressDialog pd; <span class="hljs-comment">//進度條對話框 </span>
pd = <span class="hljs-keyword">new</span> ProgressDialog(mContext);
pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
pd.setMessage(<span class="hljs-string">"正在下載更新"</span>);
pd.show();
<span class="hljs-keyword">new</span> Thread(){
<span class="hljs-annotation">@Override</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">run</span>() {
<span class="hljs-keyword">try</span> {
File file = DownLoadManager.getFileFromServer(parse.getDownloadUrl(), pd);
sleep(<span class="hljs-number">3000</span>);
installApk(file);
pd.dismiss(); <span class="hljs-comment">//結束掉進度條對話框 </span>
} <span class="hljs-keyword">catch</span> (Exception e) {
Message msg = <span class="hljs-keyword">new</span> Message();
msg.what = DOWN_ERROR;
handler.sendMessage(msg);
e.printStackTrace();
}
}}.start();
}
<span class="hljs-comment">//安裝apk </span>
<span class="hljs-keyword">protected</span> <span class="hljs-keyword">void</span> <span class="hljs-title">installApk</span>(File file) {
Intent intent = <span class="hljs-keyword">new</span> Intent();
<span class="hljs-comment">//執行動作 </span>
intent.setAction(Intent.ACTION_VIEW);
<span class="hljs-comment">//執行的數據類型 </span>
intent.setDataAndType(Uri.fromFile(file), <span class="hljs-string">"application/vnd.android.package-archive"</span>);
mContext.startActivity(intent);
}
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> String Url;
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> String <span class="hljs-title">getUrl</span>(){
<span class="hljs-keyword">return</span> Url;
}
<span class="hljs-javadoc">/**
* 判斷SD卡是什麼狀態進行下載
*<span class="hljs-javadoctag"> @author</span>
*<span class="hljs-javadoctag"> @date</span>
*/</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">DownLoadManager</span> {</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> File <span class="hljs-title">getFileFromServer</span>(String path, ProgressDialog pd) {
<span class="hljs-comment">//如果相等的話表示當前的sdcard掛載在手機上並且是可用的</span>
<span class="hljs-keyword">if</span>(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
URL url = <span class="hljs-keyword">null</span>;
<span class="hljs-keyword">try</span> {
url = <span class="hljs-keyword">new</span> URL(path);
} <span class="hljs-keyword">catch</span> (MalformedURLException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
HttpURLConnection conn = <span class="hljs-keyword">null</span>;
<span class="hljs-keyword">try</span> {
conn = (HttpURLConnection) url.openConnection();
} <span class="hljs-keyword">catch</span> (IOException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
conn.setConnectTimeout(<span class="hljs-number">5000</span>);
<span class="hljs-comment">//獲取到文件的大小 </span>
pd.setMax(conn.getContentLength());
InputStream is = <span class="hljs-keyword">null</span>;
<span class="hljs-keyword">try</span> {
is = conn.getInputStream();
} <span class="hljs-keyword">catch</span> (IOException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
File file = <span class="hljs-keyword">new</span> File(Environment.getExternalStorageDirectory(), <span class="hljs-string">"updata.apk"</span>);
FileOutputStream fos = <span class="hljs-keyword">null</span>;
<span class="hljs-keyword">try</span> {
fos = <span class="hljs-keyword">new</span> FileOutputStream(file);
} <span class="hljs-keyword">catch</span> (FileNotFoundException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
BufferedInputStream bis = <span class="hljs-keyword">new</span> BufferedInputStream(is);
<span class="hljs-keyword">byte</span>[] buffer = <span class="hljs-keyword">new</span> <span class="hljs-keyword">byte</span>[<span class="hljs-number">1024</span>];
<span class="hljs-keyword">int</span> len ;
<span class="hljs-keyword">int</span> total=<span class="hljs-number">0</span>;
<span class="hljs-keyword">try</span> {
<span class="hljs-keyword">while</span>((len =bis.read(buffer))!=-<span class="hljs-number">1</span>){
fos.write(buffer, <span class="hljs-number">0</span>, len);
total+= len;
<span class="hljs-comment">//獲取當前下載量</span>
pd.setProgress(total);
}
} <span class="hljs-keyword">catch</span> (IOException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
<span class="hljs-keyword">try</span> {
fos.close();
} <span class="hljs-keyword">catch</span> (IOException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
<span class="hljs-keyword">try</span> {
bis.close();
} <span class="hljs-keyword">catch</span> (IOException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
<span class="hljs-keyword">try</span> {
is.close();
} <span class="hljs-keyword">catch</span> (IOException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
<span class="hljs-keyword">return</span> file;
}
<span class="hljs-keyword">else</span>{
<span class="hljs-keyword">return</span> <span class="hljs-keyword">null</span>;
}
}
}
} </code>
上面的代碼中我們需要用到獲取到信息之後進行解析，這裏我用的紙xml:
<code class="hljs java has-numbering"><span class="hljs-javadoc">/**
* 解析獲取到輸入流
*<span class="hljs-javadoctag"> @param</span> inputStream
*<span class="hljs-javadoctag"> @return</span>
*/</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> Update <span class="hljs-title">parse</span>(InputStream inputStream){
Update update = <span class="hljs-keyword">null</span>;
<span class="hljs-comment">//獲得XmlPullParser解析器</span>
XmlPullParser xmlParser = Xml.newPullParser();
<span class="hljs-keyword">try</span> {
xmlParser.setInput(inputStream, UTF8);
<span class="hljs-comment">//獲得解析到的事件類別，這裏有開始文檔，結束文檔，開始標籤，結束標籤，文本等等事件。</span>
<span class="hljs-keyword">int</span> evtType=xmlParser.getEventType();
<span class="hljs-comment">//一直循環，直到文檔結束 </span>
<span class="hljs-keyword">while</span>(evtType!=XmlPullParser.END_DOCUMENT){
String tag = xmlParser.getName();
<span class="hljs-keyword">switch</span>(evtType){
<span class="hljs-keyword">case</span> XmlPullParser.START_TAG:
<span class="hljs-comment">//通知信息</span>
<span class="hljs-keyword">if</span>(tag.equalsIgnoreCase(<span class="hljs-string">"android"</span>))
{
update = <span class="hljs-keyword">new</span> Update();
}
<span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span>(update != <span class="hljs-keyword">null</span>)
{
<span class="hljs-keyword">if</span>(tag.equalsIgnoreCase(<span class="hljs-string">"versionCode"</span>))
{ <span class="hljs-comment">//字符轉換整數 </span>
update.setVersionCode(toInt(xmlParser.nextText(),<span class="hljs-number">0</span>));
}
<span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span>(tag.equalsIgnoreCase(<span class="hljs-string">"versionName"</span>))
{
update.setVersionName(xmlParser.nextText());
}
<span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span>(tag.equalsIgnoreCase(<span class="hljs-string">"downloadUrl"</span>))
{
update.setDownloadUrl(xmlParser.nextText());
}
<span class="hljs-keyword">else</span> <span class="hljs-keyword">if</span>(tag.equalsIgnoreCase(<span class="hljs-string">"updateLog"</span>))
{
update.setUpdateLog(xmlParser.nextText());
}
}
<span class="hljs-keyword">break</span>;
<span class="hljs-keyword">case</span> XmlPullParser.END_TAG:
<span class="hljs-keyword">break</span>;
}
<span class="hljs-comment">//如果xml沒有結束，則導航到下一個節點</span>
evtType=xmlParser.next();
}
} <span class="hljs-keyword">catch</span> (XmlPullParserException e) {
e.printStackTrace();
} <span class="hljs-keyword">catch</span> (IOException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
} <span class="hljs-keyword">finally</span> {
<span class="hljs-keyword">try</span> {
inputStream.close();
} <span class="hljs-keyword">catch</span> (IOException e) {
<span class="hljs-comment">// TODO Auto-generated catch block</span>
e.printStackTrace();
}
}
<span class="hljs-keyword">return</span> update;
}
<span class="hljs-javadoc">/**
* 字符串轉整數
*<span class="hljs-javadoctag"> @param</span> str
*<span class="hljs-javadoctag"> @param</span> defValue
*<span class="hljs-javadoctag"> @return</span>
*/</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">int</span> <span class="hljs-title">toInt</span>(String str, <span class="hljs-keyword">int</span> defValue) {
<span class="hljs-keyword">try</span>{
<span class="hljs-keyword">return</span> Integer.parseInt(str);
}<span class="hljs-keyword">catch</span>(Exception e){}
<span class="hljs-keyword">return</span> defValue;
}</code>
不要忘記了要寫相應的bean類：
<code class="hljs java has-numbering"><span class="hljs-javadoc">/**
* 應用程序更新實體類
*<span class="hljs-javadoctag"> @author</span>
*<span class="hljs-javadoctag"> @date</span>
*/</span>
<span class="hljs-annotation">@SuppressWarnings</span>(<span class="hljs-string">"serial"</span>)
<span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Update</span> <span class="hljs-keyword">implements</span> <span class="hljs-title">Serializable</span>{</span>
<span class="hljs-keyword">public</span> <span class="hljs-keyword">final</span> <span class="hljs-keyword">static</span> String UTF8 = <span class="hljs-string">"UTF-8"</span>;
<span class="hljs-keyword">public</span> <span class="hljs-keyword">final</span> <span class="hljs-keyword">static</span> String NODE_ROOT = <span class="hljs-string">"oschina"</span>;
<span class="hljs-keyword">private</span> <span class="hljs-keyword">int</span> versionCode;
<span class="hljs-keyword">private</span> String versionName;
<span class="hljs-keyword">private</span> String downloadUrl;
<span class="hljs-keyword">private</span> String updateLog;
<span class="hljs-keyword">public</span> <span class="hljs-keyword">int</span> <span class="hljs-title">getVersionCode</span>() {
<span class="hljs-keyword">return</span> versionCode;
}
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">setVersionCode</span>(<span class="hljs-keyword">int</span> versionCode) {
<span class="hljs-keyword">this</span>.versionCode = versionCode;
}
<span class="hljs-keyword">public</span> String <span class="hljs-title">getVersionName</span>() {
<span class="hljs-keyword">return</span> versionName;
}
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">setVersionName</span>(String versionName) {
<span class="hljs-keyword">this</span>.versionName = versionName;
}
<span class="hljs-keyword">public</span> String <span class="hljs-title">getDownloadUrl</span>() {
<span class="hljs-keyword">return</span> downloadUrl;
}
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">setDownloadUrl</span>(String downloadUrl) {
<span class="hljs-keyword">this</span>.downloadUrl = downloadUrl;
}
<span class="hljs-keyword">public</span> String <span class="hljs-title">getUpdateLog</span>() {
<span class="hljs-keyword">return</span> updateLog;
}
<span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">setUpdateLog</span>(String updateLog) {
<span class="hljs-keyword">this</span>.updateLog = updateLog;
}</code>
然後我們調用這個就可以了
注意上下文
<code class="hljs avrasm has-numbering">UpdateVersionutil<span class="hljs-preprocessor">.getUpdataManger</span>(this)<span class="hljs-preprocessor">.startUpdate</span>()<span class="hljs-comment">;</span></code>
效果展示：
更新完成！！！