Android自动更新(更新提示，资源下载，自动安装)

package update.test; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import org.json.JSONArray; import org.json.JSONObject; import com.trinet.util.NetHelper; import android.content.Context; import android.content.Intent; import android.content.pm.PackageInfo; import android.content.pm.PackageManager.NameNotFoundException; import android.net.Uri; import android.os.Handler; import android.os.Message; import android.util.Log; public class UpdateManager { private String curVersion; private String newVersion; private int curVersionCode; private int newVersionCode; private String updateInfo; private UpdateCallback callback; private Context ctx; private int progress; private Boolean hasNewVersion; private Boolean canceled; //存放更新APK文件的路径 public static final String UPDATE_DOWNURL = "http://www.www.baidu.com/test_update/update_test.apk"; //存放更新APK文件相应的版本说明路径 public static final String UPDATE_CHECKURL = "http://www.www.baidu.com/test_update/update_version.txt"; public static final String UPDATE_APKNAME = "update_test.apk"; //public static final String UPDATE_VERJSON = "ver.txt"; public static final String UPDATE_SAVENAME = "updateapk.apk"; private static final int UPDATE_CHECKCOMPLETED = 1; private static final int UPDATE_DOWNLOADING = 2; private static final int UPDATE_DOWNLOAD_ERROR = 3; private static final int UPDATE_DOWNLOAD_COMPLETED = 4; private static final int UPDATE_DOWNLOAD_CANCELED = 5; //从服务器上下载apk存放文件夹 private String savefolder = "/mnt/innerDisk/"; //private String savefolder = "/sdcard/"; //public static final String SAVE_FOLDER =Storage. // "/mnt/innerDisk"; public UpdateManager(Context context, UpdateCallback updateCallback) { ctx = context; callback = updateCallback; //savefolder = context.getFilesDir(); canceled = false; getCurVersion(); } public String getNewVersionName() { return newVersion; } public String getUpdateInfo() { return updateInfo; } private void getCurVersion() { try { PackageInfo pInfo = ctx.getPackageManager().getPackageInfo( ctx.getPackageName(), 0); curVersion = pInfo.versionName; curVersionCode = pInfo.versionCode; } catch (NameNotFoundException e) { Log.e("update", e.getMessage()); curVersion = "1.1.1000"; curVersionCode = 111000; } } public void checkUpdate() { hasNewVersion = false; new Thread(){ // *************************************************************** /** * @by wainiwann add * */ @Override public void run() { Log.i("@@@@@", ">>>>>>>>>>>>>>>>>>>>>>>>>>>getServerVerCode() "); try { String verjson = NetHelper.httpStringGet(UPDATE_CHECKURL); Log.i("@@@@", verjson + "**************************************************"); JSONArray array = new JSONArray(verjson); if (array.length() > 0) { JSONObject obj = array.getJSONObject(0); try { newVersionCode = Integer.parseInt(obj.getString("verCode")); newVersion = obj.getString("verName"); updateInfo = ""; Log.i("newVerCode", newVersionCode + "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"); Log.i("newVerName", newVersion + "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"); if (newVersionCode > curVersionCode) { hasNewVersion = true; } } catch (Exception e) { newVersionCode = -1; newVersion = ""; updateInfo = ""; } } } catch (Exception e) { Log.e("update", e.getMessage()); } updateHandler.sendEmptyMessage(UPDATE_CHECKCOMPLETED); }; // *************************************************************** }.start(); } public void update() { Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType( Uri.fromFile(new File(savefolder, UPDATE_SAVENAME)), "application/vnd.android.package-archive"); ctx.startActivity(intent); } // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ public void downloadPackage() { new Thread() { @Override public void run() { try { URL url = new URL(UPDATE_DOWNURL); HttpURLConnection conn = (HttpURLConnection)url.openConnection(); conn.connect(); int length = conn.getContentLength(); InputStream is = conn.getInputStream(); File ApkFile = new File(savefolder,UPDATE_SAVENAME); if(ApkFile.exists()) { ApkFile.delete(); } FileOutputStream fos = new FileOutputStream(ApkFile); int count = 0; byte buf[] = new byte[512]; do{ int numread = is.read(buf); count += numread; progress =(int)(((float)count / length) * 100); updateHandler.sendMessage(updateHandler.obtainMessage(UPDATE_DOWNLOADING)); if(numread <= 0){ updateHandler.sendEmptyMessage(UPDATE_DOWNLOAD_COMPLETED); break; } fos.write(buf,0,numread); }while(!canceled); if(canceled) { updateHandler.sendEmptyMessage(UPDATE_DOWNLOAD_CANCELED); } fos.close(); is.close(); } catch (MalformedURLException e) { e.printStackTrace(); updateHandler.sendMessage(updateHandler.obtainMessage(UPDATE_DOWNLOAD_ERROR,e.getMessage())); } catch(IOException e){ e.printStackTrace(); updateHandler.sendMessage(updateHandler.obtainMessage(UPDATE_DOWNLOAD_ERROR,e.getMessage())); } } }.start(); } public void cancelDownload() { canceled = true; } Handler updateHandler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case UPDATE_CHECKCOMPLETED: callback.checkUpdateCompleted(hasNewVersion, newVersion); break; case UPDATE_DOWNLOADING: callback.downloadProgressChanged(progress); break; case UPDATE_DOWNLOAD_ERROR: callback.downloadCompleted(false, msg.obj.toString()); break; case UPDATE_DOWNLOAD_COMPLETED: callback.downloadCompleted(true, ""); break; case UPDATE_DOWNLOAD_CANCELED: callback.downloadCanceled(); default: break; } } }; public interface UpdateCallback { public void checkUpdateCompleted(Boolean hasUpdate, CharSequence updateInfo); public void downloadProgressChanged(int progress); public void downloadCanceled(); public void downloadCompleted(Boolean sucess, CharSequence errorMsg); } }