Android实现APP在线下载更新

/** * Created by Teprinciple on 2016/11/15. */public class UpdateAppUtil {  /**   * 获取当前apk的版本号 currentVersionCode   * @param ctx   * @return   */  public static int getAPPLocalVersion(Context ctx) {    int currentVersionCode = 0;    PackageManager manager = ctx.getPackageManager();    try {      PackageInfo info = manager.getPackageInfo(ctx.getPackageName(), 0);      String appVersionName = info.versionName; // 版本名      currentVersionCode = info.versionCode; // 版本号    } catch (PackageManager.NameNotFoundException e) {      e.printStackTrace();    }    return currentVersionCode;  }  /**   * 获取服务器上版本信息   * @param context   * @param callBack   */  public static void getAPPServerVersion(Context context, final VersionCallBack callBack){    HttpUtil.getObject(Api.GETVERSION.mapClear().addBody(), VersionInfo.class, new HttpUtil.ObjectCallback() {      @Override      public void result(boolean b, @Nullable Object obj) {        if (b){            callBack.callBack((VersionInfo) obj);        }      }    });  }  /**   * 判断版本号，更新APP   * @param context   */  public static void updateApp(final Context context){    getAPPServerVersion(context, new VersionCallBack() {      @Override      public void callBack(final VersionInfo info) {        if (info != null && info.getVersionCode()!=null){          Log.i("this","版本信息：当前"+getAPPLocalVersion(context)+",服务器："+Integer.valueOf(info.getVersionCode()));          if (Integer.valueOf(info.getVersionCode()) > getAPPLocalVersion(context)){            ConfirmDialog dialog = new ConfirmDialog(context, new lht.wangtong.gowin120.doctor.views.feature.Callback() {              @Override              public void callback() {                DownloadAppUtils.downloadForAutoInstall(context, Api.HOST_IMG+info.getLoadPath(), "demo.apk", "更新demo");              }            });            dialog .setContent("发现新版本:"+info.getVersionNumber()+"/n是否下载更新?");            dialog.setCancelable(false);            dialog .show();          }        }      }    });  }  public interface VersionCallBack{    void callBack(VersionInfo info);  }}

/** * Created by Teprinciple on 2016/11/15. */public class DownloadAppUtils {  private static final String TAG = DownloadAppUtils.class.getSimpleName();  public static long downloadUpdateApkId = -1;//下载更新Apk 下载任务对应的Id  public static String downloadUpdateApkFilePath;//下载更新Apk 文件路径  /**   * 通过浏览器下载APK包   * @param context   * @param url   */  public static void downloadForWebView(Context context, String url) {    Uri uri = Uri.parse(url);    Intent intent = new Intent(Intent.ACTION_VIEW, uri);    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);    intent.setDataAndType(Uri.fromFile(new File(Environment            .getExternalStorageDirectory(), "tmp.apk")),        "application/vnd.android.package-archive");    context.startActivity(intent);  }  /**   * 下载更新apk包   * 权限:1,<uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />   * @param context   * @param url   */  public static void downloadForAutoInstall(Context context, String url, String fileName, String title) {    //LogUtil.e("App 下载 url="+url+",fileName="+fileName+",title="+title);    if (TextUtils.isEmpty(url)) {      return;    }    try {      Uri uri = Uri.parse(url);      DownloadManager downloadManager = (DownloadManager) context          .getSystemService(Context.DOWNLOAD_SERVICE);      DownloadManager.Request request = new DownloadManager.Request(uri);      //在通知栏中显示      request.setVisibleInDownloadsUi(true);      request.setTitle(title);      String filePath = null;      if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {//外部存储卡        filePath = Environment.getExternalStorageDirectory().getAbsolutePath();      } else {        T.showShort(context, R.string.download_sdcard_error);        return;      }      downloadUpdateApkFilePath = filePath + File.separator + fileName;      // 若存在，则删除      deleteFile(downloadUpdateApkFilePath);      Uri fileUri = Uri.parse("file://" + downloadUpdateApkFilePath);      request.setDestinationUri(fileUri);      downloadUpdateApkId = downloadManager.enqueue(request);    } catch (Exception e) {      e.printStackTrace();      downloadForWebView(context, url);    }  }  private static boolean deleteFile(String fileStr) {    File file = new File(fileStr);    return file.delete();  }}

<uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />

/** * Created by Teprinciple on 2016/11/15. */public class UpdateAppReceiver extends BroadcastReceiver {  public UpdateAppReceiver() {  }  @Override  public void onReceive(Context context, Intent intent) {    // 处理下载完成    Cursor c=null;    try {      if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(intent.getAction())) {        if (DownloadAppUtils.downloadUpdateApkId >= 0) {          long downloadId = DownloadAppUtils.downloadUpdateApkId;          DownloadManager.Query query = new DownloadManager.Query();          query.setFilterById(downloadId);          DownloadManager downloadManager = (DownloadManager) context              .getSystemService(Context.DOWNLOAD_SERVICE);          c = downloadManager.query(query);          if (c.moveToFirst()) {            int status = c.getInt(c                .getColumnIndex(DownloadManager.COLUMN_STATUS));            if (status == DownloadManager.STATUS_FAILED) {              downloadManager.remove(downloadId);            } else if (status == DownloadManager.STATUS_SUCCESSFUL) {              if (DownloadAppUtils.downloadUpdateApkFilePath != null) {                Intent i = new Intent(Intent.ACTION_VIEW);                i.setDataAndType(                    Uri.parse("file://"                        + DownloadAppUtils.downloadUpdateApkFilePath),                    "application/vnd.android.package-archive");                i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);                context.startActivity(i);              }            }          }        }      }/* else if (DownloadManager.ACTION_NOTIFICATION_CLICKED.equals(intent.getAction())) {//点击通知取消下载        DownloadManager downloadManager = (DownloadManager) context            .getSystemService(Context.DOWNLOAD_SERVICE);        long[] ids = intent.getLongArrayExtra(DownloadManager.EXTRA_NOTIFICATION_CLICK_DOWNLOAD_IDS);        //点击通知栏取消下载        downloadManager.remove(ids);      }*/    } catch (Exception e) {      e.printStackTrace();    }finally {      if (c != null) {        c.close();      }    }  }}

<receiver android:name=".updateapp.UpdateAppReceiver"      android:enabled="true"      android:exported="true">      <intent-filter>        <action android:name="android.intent.action.DOWNLOAD_COMPLETE" />        <action android:name="android.intent.action.DOWNLOAD_NOTIFICATION_CLICKED"/>      </intent-filter></receiver>