android - How to query all the download item from the system DownloadProvider? -

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is there method query download item system downloadprovider,i that,but need permission:android.permission.access_all_downloads,and worstly,this permission in signature level,i can't permission,is there other solution this.and want develop app manager downloads of system.thanks lot!

int columnid = c.getcolumnindex(downloadmanager.column_id);             int columntitle = c.getcolumnindex(downloadmanager.column_title);             log.d(tag, "query complete!-->" + c.getcount());             (int = 0; c.getcolumnname(i) != null; i++)                 log.d(tag, c.getcolumnname(i));             while (c.movetonext()) {                 int status = c.getint(c.getcolumnindex(downloadmanager.column_status));                 long id = c.getlong(c.getcolumnindex(downloadmanager.column_id));                 string title = c.getstring(c.getcolumnindex(downloadmanager.column_title));                 switch (status) {                 case downloadmanager.status_paused:                     log.d(tag, "query 1  paused task:" + status + "-" + title + "-" + id);                     break;                 case downloadmanager.status_pending:                     log.d(tag, "query 1  pending task:" + status + "-" + title + "-" + id);                     break;                 case downloadmanager.status_running:                     log.d(tag, "query 1  running task:" + status + "-" + title + "-" + id);                     break;                 case downloadmanager.status_successful:                     log.d(tag, "query 1  success task:" + status + "-" + title + "-" + id);                     break;                 case downloadmanager.status_failed:                     log.d(tag, "query 1 failed task:" + status + "-" + title + "-" + id);                     // downloadmanager.remove(id);                     break;                 }             }

as discovered, way query content://downloads/all_downloads uri android.permission.access_all_downloads, signature level permission. intentional , means not possible read downloads third party app not signed system signature.


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