Java DownloadManager.STATUS_SUCCESSFUL屬性代碼示例

private void checkDownloadStatus() {
    DownloadManager.Query query = new DownloadManager.Query();
    query.setFilterById(mTaskId);
    Cursor c = mDownloadManager.query(query);
    if (c.moveToFirst()) {
        int status = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS));
        switch (status) {
           /* case DownloadManager.STATUS_PAUSED:
                break;
            case DownloadManager.STATUS_FAILED:
                break;
            case DownloadManager.STATUS_PENDING:
                break;
            case DownloadManager.STATUS_RUNNING:
                break;*/
            case DownloadManager.STATUS_SUCCESSFUL:

               AppUtil.installApk(this, filePath);
                break;
        }
    }


}
 

/**
 * 點擊下載
 */
public void onClickUpdate() {
    if (mDownloadId != 0) {//downloadID不為默認值，表示存在下載任務
        int status = DownloadUtils.queryDownloadStatus(mContext, mDownloadId);
        Log.e("TAG", status + "");
        switch (status) {
            case DownloadManager.STATUS_RUNNING://下載中
                DownloadToast.showShort(mContext, "正在下載，請稍後");
                break;
            case DownloadManager.STATUS_FAILED://下載失敗
                startDownApk();//重新開始下載
                break;
            case DownloadManager.STATUS_SUCCESSFUL://下載成功
                installApk();
                break;
            default:
                break;
        }
    } else {//無下載任務，開始下載
        startDownApk();
    }
}
 

/**
 * 點擊下載
 */
public void onClickUpdate() {
    if (mDownloadId != 0) {//downloadID不為默認值，表示存在下載任務
        int status = DownloadUtils.queryDownloadStatus(this, mDownloadId);
        Log.e("TAG", status + "");
        switch (status) {
            case DownloadManager.STATUS_RUNNING://下載中
                DownloadToast.showShort(this, "正在下載，請稍後");
                break;
            case DownloadManager.STATUS_FAILED://下載失敗
                startDownApk();//重新開始下載
                break;
            case DownloadManager.STATUS_SUCCESSFUL://下載成功
                installApk();
                break;
            default:
                break;
        }
    } else {//無下載任務，開始下載
        startDownApk();
    }
}
 

@Override
public void onReceive(Context context, Intent intent) {
    long id = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1);
    if (id != -1) {
        DownloadManager downloadManager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
        Cursor cursor = downloadManager.query(new DownloadManager.Query().setFilterById(id));

        if (cursor != null && cursor.getCount() > 0) {
            cursor.moveToFirst();
            if (cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS)) != DownloadManager.STATUS_SUCCESSFUL) {
                String title = cursor.getString(cursor.getColumnIndex(DownloadManager.COLUMN_TITLE));
                Toast.makeText(context, context.getString(R.string.toast_download_failed, title), Toast.LENGTH_SHORT).show();
                return;
            }
        }

        ids.remove(id);

        if (ids.isEmpty()) {
            getAdapter().notifyItemChanged(getAdapterPosition(), new Object());
            context.unregisterReceiver(this);

            mBroadcastReceiver = null;
        }
    }
}
 

@StringRes
public int getStatusTextResId() {
    int statusText = 0;
    switch (status) {
        case DownloadManager.STATUS_FAILED:
            statusText = (R.string.STATUS_FAILED);
            break;
        case DownloadManager.STATUS_PAUSED:
            statusText = (R.string.STATUS_PAUSED);

            break;
        case DownloadManager.STATUS_PENDING:
            statusText = (R.string.STATUS_PENDING);
            break;
        case DownloadManager.STATUS_RUNNING:
            statusText = (R.string.STATUS_RUNNING);
            break;
        case DownloadManager.STATUS_SUCCESSFUL:
            statusText = (R.string.STATUS_SUCCESSFUL);
            break;
    }
    return statusText;
}
 

public void tjekOmHentet(Udsendelse udsendelse) {
  if (!virker()) return;
  if (udsendelse.hentetStream == null) {
    HentetStatus hs = getHentetStatus(udsendelse);
    if (hs == null) return;
    if (hs.status != DownloadManager.STATUS_SUCCESSFUL) return;
    File file = new File(hs.destinationFil);
    if (file.exists()) {
      udsendelse.hentetStream = new Lydstream();
      udsendelse.hentetStream.url = hs.destinationFil;
      udsendelse.hentetStream.score = 500; // Rigtig god!
      udsendelse.kanHøres = true;
      Log.registrérTestet("Afspille hentet udsendelse", udsendelse.slug);
    } else {
      Log.rapporterFejl(new IllegalStateException("Fil " + file + " hentet, men fandtes ikke alligevel??!"));
    }
  }
  /*
  if (udsendelse.hentetStream!=null && !new File(udsendelse.hentetStream.url).canRead()) {
    Log.d("Fil findes pt ikke" + udsendelse.hentetStream.url);
    udsendelse.hentetStream = null;
  }
  */
}
 

public static String lavStatustekst(HentetStatus hs) {
  if (hs.status == DownloadManager.STATUS_SUCCESSFUL) {
    if (hs.statusFlytningIGang) return App.res.getString(R.string.Flytter__);
    if (new File(hs.destinationFil).canRead()) return App.res.getString(R.string.Klar___mb_, hs.iAlt);
    return App.res.getString(R.string._ikke_tilgængelig_);
  } else if (hs.status == DownloadManager.STATUS_FAILED) {
    return App.res.getString(R.string.Mislykkedes);
  } else if (hs.status == DownloadManager.STATUS_PENDING) {
    return App.res.getString(R.string.Venter___);
  } else if (hs.status == DownloadManager.STATUS_PAUSED) {
    return App.res.getString(R.string.Hentning_pauset__) + App.res.getString(R.string.Hentet___mb_af___mb, hs.hentet, hs.iAlt);
  }
  // RUNNING
  if (hs.hentet > 0 || hs.iAlt > 0) return App.res.getString(R.string.Hentet___mb_af___mb, hs.hentet, hs.iAlt);
  return App.res.getString(R.string.Henter__);
}
 

private void checkDownloadStatus() {
    String url = rctParams.hasKey("url") ? rctParams.getString("url") : null;
    String description = rctParams.hasKey("description") ? rctParams.getString("description") : "downloading";
    DownloadManager.Query query = new DownloadManager.Query();
    query.setFilterById(mTaskId);//篩選下載任務，傳入任務ID，可變參數
    Cursor c = downloadManager.query(query);
    if (c.moveToFirst()) {
        int status = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS));
        String downloadPath = c.getString(c.getColumnIndex(DownloadManager.COLUMN_LOCAL_FILENAME));
        switch (status) {
            case DownloadManager.STATUS_PAUSED:
            case DownloadManager.STATUS_PENDING:
            case DownloadManager.STATUS_RUNNING:
                WritableMap map = Arguments.createMap();
                map.putInt("status", status);
                map.putString("description", description);
                map.putString("url", url);
                sendEvent(mApplicationContext,EVENT_NAME,map);
                break;
            case DownloadManager.STATUS_SUCCESSFUL:
                // String downloadPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath() + File.separator + description;
                sendMessage(status, downloadPath, url);
                break;
            case DownloadManager.STATUS_FAILED:
                sendMessage(status, description, url);
                break;
        }
    }
}
 

@Override
public Pair<Integer, Boolean> doInBackground(Void...voids) {
    DownloadManager manager =
            (DownloadManager) mContext.getSystemService(Context.DOWNLOAD_SERVICE);
    Cursor c = manager.query(new DownloadManager.Query().setFilterById(
            mDownloadItem.getSystemDownloadId()));
    int statusIndex = c.getColumnIndex(DownloadManager.COLUMN_STATUS);
    int reasonIndex = c.getColumnIndex(DownloadManager.COLUMN_REASON);
    int titleIndex = c.getColumnIndex(DownloadManager.COLUMN_TITLE);
    int status = DownloadManager.STATUS_FAILED;
    Boolean canResolve = false;
    if (c.moveToNext()) {
        status = c.getInt(statusIndex);
        String title = c.getString(titleIndex);
        if (mDownloadInfo == null) {
            // Chrome has been killed, reconstruct a DownloadInfo.
            mDownloadInfo = new DownloadInfo.Builder()
                    .setFileName(title)
                    .setDescription(c.getString(
                            c.getColumnIndex(DownloadManager.COLUMN_DESCRIPTION)))
                    .setMimeType(c.getString(
                            c.getColumnIndex(DownloadManager.COLUMN_MEDIA_TYPE)))
                    .setContentLength(Long.parseLong(c.getString(
                            c.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES))))
                    .build();
        }
        if (status == DownloadManager.STATUS_SUCCESSFUL) {
            mDownloadInfo = DownloadInfo.Builder.fromDownloadInfo(mDownloadInfo)
                    .setFileName(title)
                    .build();
            mDownloadItem.setDownloadInfo(mDownloadInfo);
            canResolve = canResolveDownloadItem(mContext, mDownloadItem, false);
        } else if (status == DownloadManager.STATUS_FAILED) {
            mFailureReason = c.getInt(reasonIndex);
            manager.remove(mDownloadItem.getSystemDownloadId());
        }
    }
    c.close();
    return Pair.create(status, canResolve);
}
 

private DownloadStatus getDownloadStatus(String uri, byte[] theirDigest) {
  DownloadManager       downloadManager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
  DownloadManager.Query query           = new DownloadManager.Query();

  query.setFilterByStatus(DownloadManager.STATUS_PAUSED | DownloadManager.STATUS_PENDING | DownloadManager.STATUS_RUNNING | DownloadManager.STATUS_SUCCESSFUL);

  long   pendingDownloadId = TextSecurePreferences.getUpdateApkDownloadId(context);
  byte[] pendingDigest     = getPendingDigest(context);
  Cursor cursor            = downloadManager.query(query);

  try {
    DownloadStatus status = new DownloadStatus(DownloadStatus.Status.MISSING, -1);

    while (cursor != null && cursor.moveToNext()) {
      int    jobStatus         = cursor.getInt(cursor.getColumnIndexOrThrow(DownloadManager.COLUMN_STATUS));
      String jobRemoteUri      = cursor.getString(cursor.getColumnIndexOrThrow(DownloadManager.COLUMN_URI));
      long   downloadId        = cursor.getLong(cursor.getColumnIndexOrThrow(DownloadManager.COLUMN_ID));
      byte[] digest            = getDigestForDownloadId(downloadId);

      if (jobRemoteUri != null && jobRemoteUri.equals(uri) && downloadId == pendingDownloadId) {

        if (jobStatus == DownloadManager.STATUS_SUCCESSFUL    &&
            digest != null && pendingDigest != null           &&
            MessageDigest.isEqual(pendingDigest, theirDigest) &&
            MessageDigest.isEqual(digest, theirDigest))
        {
          return new DownloadStatus(DownloadStatus.Status.COMPLETE, downloadId);
        } else if (jobStatus != DownloadManager.STATUS_SUCCESSFUL) {
          status = new DownloadStatus(DownloadStatus.Status.PENDING, downloadId);
        }
      }
    }

    return status;
  } finally {
    if (cursor != null) cursor.close();
  }
}
 

private String statusMessage(Cursor c) {
    String msg;

    switch (c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS))) {
        case DownloadManager.STATUS_FAILED:
            msg = "DownloadInfo failed";
            break;

        case DownloadManager.STATUS_PAUSED:
            msg = "DownloadInfo paused";
            break;

        case DownloadManager.STATUS_PENDING:
            msg = "DownloadInfo pending";
            break;

        case DownloadManager.STATUS_RUNNING:
            msg = "DownloadInfo in progress";
            break;

        case DownloadManager.STATUS_SUCCESSFUL:
            msg = "DownloadInfo complete";
            break;

        default:
            msg = "DownloadInfo is nowhere in sight";
            break;
    }

    return (msg);
}
 

public HentetStatus getHentetStatus(Udsendelse udsendelse) {
  if (!virker()) return null;
  tjekDataOprettet();

  HentetStatus hs = data.hentetStatusFraSlug.get(udsendelse.slug);
  if (hs != null && (hs.status==DownloadManager.STATUS_SUCCESSFUL || hs.status == DownloadManager.STATUS_FAILED)) {
    hs.statustekst = lavStatustekst(hs);
    return hs;
  }

  Long downloadId = data.downloadIdFraSlug.get(udsendelse.slug);
  if (downloadId == null) return null;
  DownloadManager.Query query = new DownloadManager.Query();
  query.setFilterById(downloadId);
  Cursor c = downloadService.query(query);
  if (c==null) return null; // fix for https://mint.splunk.com/dashboard/project/cd78aa05/errors/4066198043
  if (!c.moveToFirst()) {
    c.close();
    return null;
  }

  if (hs == null) {
    hs = new HentetStatus();
    data.hentetStatusFraSlug.put(udsendelse.slug, hs);
  }
  hs.status = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS));
  hs.iAlt = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES)) / 1000000;
  hs.hentet = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR)) / 1000000;
  hs.startUri = c.getString(c.getColumnIndex(DownloadManager.COLUMN_LOCAL_URI));
  hs.statustekst = lavStatustekst(hs);
  if (hs.status==DownloadManager.STATUS_FAILED || hs.status==DownloadManager.STATUS_PAUSED) {
    int grund = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_REASON));
    Log.d(udsendelse.slug+ " hs.grund til fejl "+ grund);
    if (grund==DownloadManager.ERROR_INSUFFICIENT_SPACE) hs.statustekst += " - Ikke nok plads";
  }
  c.close();
  //if (!App.PRODUKTION) hs.statustekst+="\n"+hs.startUri+"\n"+hs.destinationFil; // til fejlfinding
  return hs;
}
 

@ProtoMethod(description = "Downloads a file from a given Uri. Returns the progress", example = "")
public void downloadWithSystemManager(String url, final ReturnInterface callback) {
    final DownloadManager dm = (DownloadManager) getContext().getSystemService(getContext().DOWNLOAD_SERVICE);
    DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
    final long enqueue = dm.enqueue(request);

    BroadcastReceiver receiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action)) {
                long downloadId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, 0);
                DownloadManager.Query query = new DownloadManager.Query();
                query.setFilterById(enqueue);
                Cursor c = dm.query(query);
                if (c.moveToFirst()) {
                    int columnIndex = c
                            .getColumnIndex(DownloadManager.COLUMN_STATUS);
                    if (DownloadManager.STATUS_SUCCESSFUL == c.getInt(columnIndex)) {
                        if (callback != null) callback.event(null);
                        // callback successful
                    }
                }
            }
        }
    };

    getContext().registerReceiver(receiver, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));


}
 

private void checkStatus() {
    //cause SQLiteException at 樂視 LE X820 Android 6.0.1,level 23
    try{
        DownloadManager.Query query = new DownloadManager.Query();
        query.setFilterById(downloadId);
        Cursor c = downloadManager.query(query);
        if (c.moveToFirst()) {
            int status = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS));
            switch (status) {
                case DownloadManager.STATUS_PAUSED:
                    break;
                case DownloadManager.STATUS_PENDING:
                    break;
                case DownloadManager.STATUS_RUNNING:
                    break;
                case DownloadManager.STATUS_SUCCESSFUL:
                    String tip = mContext.getString(R.string.download_complete)
                            .concat("\n").concat(getFilePath());
                    Toasty.success(mContext, tip).show();
                    unregister();
                    break;
                case DownloadManager.STATUS_FAILED:
                    Toasty.error(mContext, mContext.getString(R.string.download_failed)).show();
                    unregister();
                    break;
            }
        }
        c.close();
    }catch (SQLiteException e){
        Logger.d(e);
        unregister();
    }

}
 

private void queryDownloadStatus() {
    DownloadManager.Query query = new DownloadManager.Query();
    query.setFilterById(lastDownloadId);
    Cursor c = downloadManager.query(query);
    if(c != null && c.moveToFirst()) {
        int status = c.getInt(c.getColumnIndex(DownloadManager.COLUMN_STATUS));

        int reasonIdx = c.getColumnIndex(DownloadManager.COLUMN_REASON);
        int titleIdx = c.getColumnIndex(DownloadManager.COLUMN_TITLE);
        int fileSizeIdx =
                c.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES);
        int bytesDLIdx =
                c.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR);
        String title = c.getString(titleIdx);
        int fileSize = c.getInt(fileSizeIdx);
        int bytesDL = c.getInt(bytesDLIdx);

        // Translate the pause reason to friendly text.
        int reason = c.getInt(reasonIdx);
        StringBuilder sb = new StringBuilder();
        sb.append(title).append("\n");
        sb.append("Downloaded ").append(bytesDL).append(" / " ).append(fileSize);

        // Display the status
        Log.d(TAG, sb.toString());
        switch(status) {
            case DownloadManager.STATUS_PAUSED:
                Log.v(TAG, "STATUS_PAUSED");
            case DownloadManager.STATUS_PENDING:
                Log.v(TAG, "STATUS_PENDING");
            case DownloadManager.STATUS_RUNNING:
                // 正在下載，不做任何事情
                Log.v(TAG, "STATUS_RUNNING");
                break;
            case DownloadManager.STATUS_SUCCESSFUL:
                // 完成
                Log.v(TAG, "下載完成");
                downloadManager.remove(lastDownloadId);
                break;
            case DownloadManager.STATUS_FAILED:
                // 清除已下載的內容，重新下載
                Log.v(TAG, "STATUS_FAILED");
                downloadManager.remove(lastDownloadId);
                break;
        }
    }
}