Examples with MimeTypeMap android.webkit.MimeTypeMap used on opensource projects

Example 31 with MimeTypeMap

use of android.webkit.MimeTypeMap in project smartmodule by carozhu.

the class DownloadService method onStartCommand.

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
    if (!blnPermission) {
        return super.onStartCommand(intent, flags, startId);
    }
    if (intent != null) {
        Bundle bundle = intent.getExtras();
        String downloadUrl = bundle.getString("downloadUrl");
        fileName = bundle.getString("fileName");
        appDowunPath = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath();
        //Log.i("dirType","onStartCommand appDowunPath == "+appDowunPath +  " fileName == "+fileName);
        File downloadFile = new File(appDowunPath + "/" + fileName);
        if (downloadFile.exists()) {
            installAPK(downloadFile);
            return super.onStartCommand(intent, flags, startId);
        }
        //创建下载任务,downloadUrl就是下载链接
        request = new DownloadManager.Request(Uri.parse(downloadUrl));
        //设置下载网络现在方式
        request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_MOBILE | DownloadManager.Request.NETWORK_WIFI);
        //漫游网络是否可以下载
        request.setAllowedOverRoaming(true);
        /*
             * 设置允许使用的网络类型, 可选值:
             * NETWORK_MOBILE:      移动网络
             * NETWORK_WIFI:        WIFI网络
             * NETWORK_BLUETOOTH:   蓝牙网络
             * 默认为所有网络都允许
             */
        // request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI);
        //设置带通知栏下载
        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
        request.setVisibleInDownloadsUi(true);
        //更多路径下载设置参考：http://www.cnblogs.com/zhaoyanjun/p/4591960.html
        //设置路径有多种方式 指定下载路径和下载文件名(设置下载文件的保存位置)
        // 1 TYPE
        //request.setDestinationInExternalFilesDir(this, null, mApkDir);//自己制定下载路径
        // 2 TYPE
        //File saveFile = new File(Environment.getExternalStorageDirectory(),fileName+".apk");
        // 3 TYPE
        //request.setDestinationUri(Uri.fromFile(saveFile));
        // 4 TYPE
        //request.setDestinationInExternalPublicDir(dirType, fileName);
        // 5 TYpe 设置到app下载目录
        String appDownloadPath = Environment.DIRECTORY_DOWNLOADS;
        //目录: Android -> data -> com.app -> files -> Download
        request.setDestinationInExternalFilesDir(this, appDownloadPath, fileName);
        /*在默认的情况下，通过Download Manager下载的文件是不能被Media Scanner扫描到的 。
            进而这些下载的文件（音乐、视频等）就不会在Gallery 和  Music Player这样的应用中看到。
            为了让下载的音乐文件可以被其他应用扫描到，我们需要调用Request对象的
            */
        request.allowScanningByMediaScanner();
        //设置请求的Mime http://www.jianshu.com/p/7ad92b3d9069
        MimeTypeMap mimeTypeMap = MimeTypeMap.getSingleton();
        request.setMimeType(mimeTypeMap.getMimeTypeFromExtension(downloadUrl));
        //将下载任务加入下载队列，否则不会进行下载
        mTaskId = mDownloadManager.enqueue(request);
        /*
           参考来自：http://www.cnblogs.com/zhaoyanjun/p/4591960.html
           下载管理器中有很多下载项，怎么知道一个资源已经下载过，避免重复下载呢？
           我的项目中的需求就是apk更新下载，用户点击更新确定按钮，第一次是直接下载，
           后面如果用户连续点击更新确定按钮，就不要重复下载了。
           可以看出来查询和操作数据库查询一样的
           */
        /*验证没查询到，待解决
            DownloadManager.Query query = new DownloadManager.Query();
            query.setFilterById(mTaskId);
            Cursor cursor = mDownloadManager.query(query);
            if (!cursor.moveToFirst()) {// 没有记录

            } else {

            }
            */
        //注册广播接收者，监听下载状态,通知栏点击状态
        registerReceiver(new DownloadManagerReceiver(), new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
    }
    //return super.onStartCommand(intent, flags, startId);
    return Service.START_STICKY;
}

Example 32 with MimeTypeMap

use of android.webkit.MimeTypeMap in project instructure-android by instructure.

the class FileUploadUtils method getMimeTypeFromFileNameWithExtension.

public static String getMimeTypeFromFileNameWithExtension(String fileNameWithExtension) {
    MimeTypeMap mime = MimeTypeMap.getSingleton();
    int index = fileNameWithExtension.indexOf(".");
    String ext = "";
    if (index != -1) {
        // Add one so the dot isn't included
        ext = fileNameWithExtension.substring(index + 1).toLowerCase();
    }
    return mime.getMimeTypeFromExtension(ext);
}

Example 33 with MimeTypeMap

use of android.webkit.MimeTypeMap in project instructure-android by instructure.

the class FileUtilities method getMimeType.

public static String getMimeType(String url) {
    String type = null;
    String extension = MimeTypeMap.getFileExtensionFromUrl(url);
    if (extension != null) {
        MimeTypeMap mime = MimeTypeMap.getSingleton();
        type = mime.getMimeTypeFromExtension(extension);
    }
    return type;
}

Example 34 with MimeTypeMap

use of android.webkit.MimeTypeMap in project instructure-android by instructure.

the class FileUtils method getMimeType.

public static String getMimeType(String url) {
    String type = null;
    String extension = MimeTypeMap.getFileExtensionFromUrl(url);
    if (extension != null) {
        MimeTypeMap mime = MimeTypeMap.getSingleton();
        type = mime.getMimeTypeFromExtension(extension);
    }
    return type;
}

Example 35 with MimeTypeMap

use of android.webkit.MimeTypeMap in project instructure-android by instructure.

the class FileUploadUtils method getMimeTypeFromFileNameWithExtension.

public static String getMimeTypeFromFileNameWithExtension(String fileNameWithExtension) {
    MimeTypeMap mime = MimeTypeMap.getSingleton();
    int index = fileNameWithExtension.indexOf(".");
    String ext = "";
    if (index != -1) {
        // Add one so the dot isn't included
        ext = fileNameWithExtension.substring(index + 1).toLowerCase();
    }
    return mime.getMimeTypeFromExtension(ext);
}