[英]Send a recorded file via Filetransfer with Cordova/Phonegap
我正在尝试发送通过媒体插件录制的录音。
当我尝试发送文件时,出现此FileError.NOT_FOUND_ERR错误:
Error opening file /myRecording100.wav: Error Domain=NSCocoaErrorDomain Code=260 "The operation couldn’t be completed. (Cocoa error 260.)" UserInfo=0xa358640 {NSFilePath=/myRecording100.wav, NSUnderlyingError=0xa34fb30 "The operation couldn’t be completed. No such file or directory"}
2014-08-06 17:02:26.919 Bring Me[40961:c07] FileTransferError {
code = 1;
source = "/myRecording100.wav";
target = "http://XXXX.xom";
}
但是, 我可以在录音后播放录音 。
为什么我可以播放该文件(显示该文件已正确记录并保存 ),但FileTransfer 无法发送它?
这是我的代码(适用于ios):
var my_recorder = null;
var mediaFileFullName = null; // iOS
var mediaRecFile = "myRecording100.wav";
var checkFileOnly = false;
/******
Call when start recording
******/
function startRecording() {
checkFileOnly = false;
window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, onSuccessFileSystem, function() {
console.log("***test: failed in creating media file in requestFileSystem");
});
}
function onSuccessFileSystem(fileSystem) {
if (checkFileOnly === true) {
// Get File and send
fileSystem.root.getFile(mediaRecFile, { create: false, exclusive: false }, onOK_GetFile, onFail_GetFile);
}
else {
// Create File
fileSystem.root.getFile(mediaRecFile, { create: true, exclusive: false }, onOK_SaveFile, onFail_GetFile);
}
}
/* Save the file*/
function onOK_SaveFile(fileEntry) {
mediaFileFullName = fileEntry.fullPath;
my_recorder = new Media(mediaFileFullName,
function() { document.location ="address_form.html"; // Redirect the user to an other page },
function(err) { console.log("playAudio():callback Record Error: "+err);}
);
my_recorder.startRecord();
}
/* Get the file and send it */
function onOK_GetFile(fileEntry) {
mediaFileFullName = fileEntry.fullPath;
/*
// Read the recorded file is WORKING !
my_player = new Media(mediaFileFullName, onMediaCallSuccess, onMediaCallError);
my_player.play();
*/
var options = new FileUploadOptions();
options.fileKey = "want";
options.fileName = "file.wav";
options.mimeType = "audio/wav";
options.chunkedMode = false;
options.params = parameters;
var ft = new FileTransfer();
ft.upload(mediaFileFullName, "https://SERVER_ADDRESS", win, fail, options);
}
/******
Called when stop recording
******/
function stopRecording() {
if (my_recorder) {
my_recorder.stopRecord();
}
}
我在iOS上遇到了完全相同的问题,而FileUploadOptions对我不起作用。
如果有人也在挣扎,对我来说解决方案是切换到LocalFileSystem.Temporary。
这里有一个显示完整示例的代码段( 未经 Android测试):
var accessType = LocalFileSystem.TEMPORARY; // It was LocalFileSystem.PERSISTENT;
/** Utility function to return a fileEntry together with the metadata. */
var getFile = function(name, create, successCallback, failCallback) {
WL.Logger.debug("Request for file " + name + " received, create is " + create + ".");
var onSuccessFileSystem = function(fileSystem) {
fileSystem.root.getFile(name, { create: create, exclusive: false },
function(fileEntry){
WL.Logger.debug("Success, file entry for " + name + " is " + JSON.stringify(fileEntry));
fileEntry.getMetadata(function(metadata){
WL.Logger.debug("File entry " + name + " metadata is: " + JSON.stringify(metadata));
successCallback(fileEntry, metadata);
}, function(err) {
WL.Logger.debug("Fail to retrieve metadata, error: " + JSON.stringify(err));
if(failCallback) failCallback(err);
});
},
function(err) {
WL.Logger.error("Failed to retrieve the media file " + name + ".");
if(failCallback) failCallback(err);
});
}
window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem;
window.requestFileSystem(accessType, 0, onSuccessFileSystem, function(err) {
WL.Logger.error("Failed to access file system.");
if(failCallback) failCallback(err);
});
};
var Recorder = declare([ ], {
mediaSrc : null,
mediaObj : null,
constructor : function(data, domNode){
this.mediaSrc = "new_recording.wav";
},
startRecord : function() {
var self = this;
var startRecording = function(source) {
var onMediaCallSuccess = function() { WL.Logger.debug("Media object success."); };
var onMediaCallError = function(err) { WL.Logger.error("Error on the media object: " + JSON.stringify(err)); };
self.mediaObj = new Media(source, onMediaCallSuccess, onMediaCallError);
self.mediaObj.startRecord();
};
// On iOS, first I need to create the file and then I can record.
if (deviceCheck.phone.ios) {
WL.Logger.debug("iOS detected, making sure the file exists.");
getFile(this.mediaSrc, true, function(fileEntry){ startRecording(fileEntry.fullPath); });
} else {
if (!deviceCheck.phone.android)
WL.Logger.warn("Don't know the device, trying to record ...");
else
WL.Logger.debug("Android detected.");
startRecording(this.mediaSrc);
}
},
stopRecord : function() {
this.mediaObj.stopRecord();
this.mediaObj.release();
},
play: function() {
var p,
playSuccess = function() { WL.Logger.debug("Play success."); p.release(); },
playFail = function() { WL.Logger.debug("Play fail."); };
p = new Media(this.mediaSrc, playSuccess, playFail);
p.play();
},
getData : function(successCallback, failCallback) {
var fileName = (deviceCheck.phone.android ? "/sdcard/" : "") + this.mediaSrc;
WL.Logger.debug("Asking for the file entry ... ");
getFile(this.mediaSrc, false,
function(fileEntry, metadata) {
WL.Logger.debug("Success: I found a file entry: " + fileEntry.nativeURL + ", size is " + metadata.size);
fileEntry.file(function(file) {
WL.Logger.debug("Success: file retrieved!");
var reader = new FileReader();
reader.onloadend = function(evt) {
WL.Logger.debug("Sending content and event data to success callback.");
successCallback(this.result, metadata, evt);
};
reader.readAsDataURL(file);
}, function(err){
WL.Logger.error("Error: Impossible to retrieve the file");
failCallback(err);
})
}, function(err){
WL.Logger.error("Fail: no file entry found: " + JSON.stringify(err));
failCallback(err);
});
}
});
有一些Worklight(调试输出)和dojo(声明),但是此代码可用作参考。
从File插件的v1.0版本开始,要通过file-transfer插件在文件系统中上传文件,您将需要使用.toURL()方法进行访问。
如果要升级到文件的新版本(1.0.0或更高版本),并且以前一直使用entry.fullPath作为download()或upload()的参数,则需要更改代码以使用文件系统URL代替。
FileEntry.toURL()和DirectoryEntry.toURL()返回以下形式的文件系统URL
所以正确的代码是:
/* Get the file and send it */
function onOK_GetFile(fileEntry) {
var options = new FileUploadOptions();
options.fileKey = "want";
options.fileName = "file.wav";
options.mimeType = "audio/wav";
options.chunkedMode = false;
options.params = parameters;
var ft = new FileTransfer();
ft.upload(fileEntry.toURL(), "https://SERVER_ADDRESS", win, fail, options);
}
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