Android app应用的自动升级更新

package com.cloud.update; import java.io.BufferedReader; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; 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.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.json.JSONArray; import org.json.JSONObject; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.ProgressDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.PackageManager.NameNotFoundException; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.util.Log; public class UpdateActivity extends Activity { private static final String TAG = "Update"; public ProgressDialog pBar; private Handler handler = new Handler(); private Config config; private static String packgeName; private int newVerCode = 0; private String newVerName = ""; private int newSize = 0; String UPDATE_SERVER = "http://ard.down.ttpod.com/release/android/"; String UPDATE_APKNAME = "TTPod_Android_V6.3.0.apk"; String UPDATE_VERJSON = "ver.txt"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); packgeName = this.getPackageName(); config = new Config(UPDATE_SERVER, UPDATE_APKNAME, UPDATE_VERJSON); if (getServerVerCode()) { int vercode = UpdateActivity.getVerCode(this); if (newVerCode > vercode) { doNewVersionUpdate(); } else { notNewVersionShow(); } } } private boolean getServerVerCode() { try { String verjson = getContent(config.UPDATE_SERVER + config.UPDATE_VERJSON); JSONArray array = new JSONArray(verjson); if (array.length() > 0) { JSONObject obj = array.getJSONObject(0); try { newVerCode = Integer.parseInt(obj.getString("versionCode")); newVerName = obj.getString("versionName"); newSize = Integer.parseInt(obj.getString("apkSize")); } catch (Exception e) { newVerCode = -1; newVerName = ""; newSize = -1; return false; } } } catch (Exception e) { e.printStackTrace(); return false; } return true; } private void notNewVersionShow() { int verCode = UpdateActivity.getVerCode(this); String verName = UpdateActivity.getVerName(this); StringBuffer sb = new StringBuffer(); sb.append("当前版本:"); sb.append(verName); sb.append(" Code:"); sb.append(verCode); sb.append(",\n已是最新版,无需更新!"); Dialog dialog = new AlertDialog.Builder(UpdateActivity.this) .setTitle("软件更新").setMessage(sb.toString())// 设置内容 .setPositiveButton("确定",// 设置确定按钮 new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { finish(); } }).create();// 创建 // 显示对话框 dialog.show(); } private void doNewVersionUpdate() { int verCode = UpdateActivity.getVerCode(this); String verName = UpdateActivity.getVerName(this); StringBuffer sb = new StringBuffer(); sb.append("当前版本:"); sb.append(verName); sb.append(" Code:"); sb.append(verCode); sb.append(", 发现新版本:"); sb.append(newVerName); sb.append(" Code:"); sb.append(newVerCode); sb.append(", 是否更新?"); Dialog dialog = new AlertDialog.Builder(UpdateActivity.this) .setIcon(R.drawable.icon) .setTitle("软件更新") .setMessage(sb.toString()) // 设置内容 .setPositiveButton("更新",// 设置确定按钮 new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { pBar = new ProgressDialog(UpdateActivity.this); pBar.setTitle("正在下载"); pBar.setMessage("请稍候..."); pBar.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); downFile(config.UPDATE_SERVER + config.UPDATE_APKNAME); } }) .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(); } void downFile(final String url) { pBar.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 destDir = new File( Environment.getExternalStorageDirectory(), "angool/download"); if (!destDir.exists()) { destDir.mkdirs(); } File file = new File( Environment.getExternalStorageDirectory(), "angool/download/" + config.UPDATE_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; int size = (int) (count / (newSize/(1024/10))); System.out.println(size); pBar.setProgress(size); if (length > 0) { } } } fileOutputStream.flush(); if (fileOutputStream != null) { fileOutputStream.close(); } down(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }.start(); } void down() { handler.post(new Runnable() { public void run() { pBar.cancel(); update(); } }); } void update() { Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(new File(Environment .getExternalStorageDirectory(), "angool/download/" + config.UPDATE_APKNAME)), "application/vnd.android.package-archive"); startActivity(intent); } public void setConfig(Config config) { this.config = config; } public class Config { public String UPDATE_SERVER; public String UPDATE_APKNAME; public String UPDATE_VERJSON; public Config(String UPDATE_SERVER, String UPDATE_APKNAME, String UPDATE_VERJSON) { this.UPDATE_APKNAME = UPDATE_APKNAME; this.UPDATE_SERVER = UPDATE_SERVER; this.UPDATE_VERJSON = UPDATE_VERJSON; } public String getUPDATE_SERVER() { return UPDATE_SERVER; } public void setUPDATE_SERVER(String uPDATESERVER) { UPDATE_SERVER = uPDATESERVER; } public String getUPDATE_APKNAME() { return UPDATE_APKNAME; } public void setUPDATE_APKNAME(String uPDATEAPKNAME) { UPDATE_APKNAME = uPDATEAPKNAME; } public String getUPDATE_VERJSON() { return UPDATE_VERJSON; } public void setUPDATE_VERJSON(String uPDATEVERJSON) { UPDATE_VERJSON = uPDATEVERJSON; } } public static int getVerCode(Context context) { int verCode = -1; try { verCode = context.getPackageManager().getPackageInfo(packgeName, 0).versionCode; } catch (NameNotFoundException e) { Log.e(TAG, e.getMessage()); } return verCode; } public static String getVerName(Context context) { String verName = ""; try { verName = context.getPackageManager().getPackageInfo(packgeName, 0).versionName; } catch (NameNotFoundException e) { Log.e(TAG, e.getMessage()); } return verName; } /** * 获取网址内容 * * @param url * @return * @throws Exception *