转:android DownloadManager: java.lang.SecurityException: Invalid value for visibility: 2
1、问题描述
今天使用Android系统的DownloadManager进行下载操作时,爆了如下所示的错误:
java.lang.RuntimeException: Unable to start service com.xtc.fm.qingting.services.QingtingFmDownloadService2@1b97b060 with Intent { act=com.xtc.fm.qingting.FM_DOWNLOAD_SERVICE_START pkg=com.xtc.fm.qingting cmp=com.xtc.fm.qingting/.services.QingtingFmDownloadService2 (has extras) }: java.lang.SecurityException: Invalid value for visibility: 2 at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2911) at android.app.ActivityThread.access$2100(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1401) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5254) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:955) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:750) Caused by: java.lang.SecurityException: Invalid value for visibility: 2 at android.os.Parcel.readException(Parcel.java:1592) at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:190) at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:142) at android.content.ContentProviderProxy.insert(ContentProviderNative.java:476) at android.content.ContentResolver.insert(ContentResolver.java:1207) at android.app.DownloadManager.enqueue(DownloadManager.java:946) at com.xtc.fm.qingting.services.QingtingFmDownloadService2.initDownManager(QingtingFmDownloadService2.java:195) at com.xtc.fm.qingting.services.QingtingFmDownloadService2.onStartCommand(QingtingFmDownloadService2.java:120) at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2894) ... 9 more java.lang.SecurityException: Invalid value for visibility: 2 at android.os.Parcel.readException(Parcel.java:1592) at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:190) at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:142) at android.content.ContentProviderProxy.insert(ContentProviderNative.java:476) at android.content.ContentResolver.insert(ContentResolver.java:1207) at android.app.DownloadManager.enqueue(DownloadManager.java:946) at com.xtc.fm.qingting.services.QingtingFmDownloadService2.initDownManager(QingtingFmDownloadService2.java:195) at com.xtc.fm.qingting.services.QingtingFmDownloadService2.onStartCommand(QingtingFmDownloadService2.java:120) at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2894) at android.app.ActivityThread.access$2100(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1401) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5254) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:955) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:750)
其中相关的部分代码如下:
//设置下载地址 DownloadManager.Request downRequest = new DownloadManager.Request(Uri.parse(downloadUrl)); // 设置允许使用的网络类型 (| DownloadManager.Request.NETWORK_MOBILE) downRequest.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI); // 下载时,不显示通知栏 downRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_HIDDEN); // 显示下载界面 downRequest.setVisibleInDownloadsUi(true); // 保存的文件名 String fileName = downloadInfo.getProgramTitle() + ".m4a"; // 设置下载路径和文件名 downRequest.setDestinationInExternalPublicDir(Environment.DIRECTORY_MUSIC, fileName); //设置文件类型 MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton(); String mimeString = mimeTypeMap.getMimeTypeFromExtension(MimeTypeMap.getFileExtensionFromUrl(downloadUrl)); downRequest.setMimeType(mimeString); // 设置为可被媒体扫描器找到 downRequest.allowScanningByMediaScanner(); // 将下载请求放入队列 final long downloadId = manager.enqueue(downRequest);
2、解决方法
原来其中的一段代码是需要相应的权限 android.permission.DOWNLOAD_WITHOUT_NOTIFICATION
// 下载时,不显示通知栏 downRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_HIDDEN);
因此在AndroidManifest.xml文件中加入上面所需要的权限即可。
<!--DownloadManager下载时不显示Notification--> <uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />
本文转自:https://blog.csdn.net/ouyang_peng/article/details/52047149
如果您觉得阅读本文对您有帮助,请点一下“推荐”按钮,您的“推荐”将是我最大的写作动力!欢迎各位转载,但是未经作者本人同意,转载文章之后必须在文章页面明显位置给出作者和原文连接,否则保留追究法律责任的权利。
【推荐】编程新体验,更懂你的AI,立即体验豆包MarsCode编程助手
【推荐】凌霞软件回馈社区,博客园 & 1Panel & Halo 联合会员上线
【推荐】抖音旗下AI助手豆包,你的智能百科全书,全免费不限次数
【推荐】博客园社区专享云产品让利特惠,阿里云新客6.5折上折
【推荐】轻量又高性能的 SSH 工具 IShell:AI 加持,快人一步