android-使用GD API将大文件上传到Google云端硬盘

概述我想使用新的Android云端硬盘API以编程方式将大文件上传到Google云端硬盘.您能为我推荐一个具有最佳实践的教程吗？我正在读取此postonstackoverflow,但在那里使用缓冲区将它们加载到内存中.解决方法:我一直以quickstartfromGoogle为起点.它显示了如何上传位图,但很容易适应.

我想使用新的Android云端硬盘API以编程方式将大文件上传到Google云端硬盘.您能为我推荐一个具有最佳实践的教程吗？

我正在读取此post on stack overflow,但在那里使用缓冲区将它们加载到内存中.

解决方法:

我一直以quick start from Google为起点.它显示了如何上传位图,但很容易适应.他们还会将整个内容保存为字节数组,然后将其写入Google云端硬盘的输出流.如果您不想执行此 *** 作,那么我建议您执行以下 *** 作：

     /**     * Create a new file and save it to Drive.     */    private voID savefileToDrive(final file file) {        // Start by creating a new contents, and setting a callback.        Log.i(TAG, "Creating new contents.");        Drive.DriveAPI.newDriveContents(mGoogleapiclient)                .setResultCallback(new ResultCallback<DriveAPI.DriveContentsResult>() {                    @OverrIDe                    public voID onResult(DriveAPI.DriveContentsResult result) {                        // If the operation was not successful, we cannot do anything                        // and must                        // fail.                        if (!result.getStatus().isSuccess()) {                            Log.i(TAG, "Failed to create new contents.");                            return;                        }                        // Otherwise, we can write our data to the new contents.                        Log.i(TAG, "New contents created.");                        // Get an output stream for the contents.                        OutputStream outputStream = result.getDriveContents().getoutputStream();                        // Write the bitmap data from it.                        try {                            fileinputStream fileinputStream = new fileinputStream(file);                            byte[] buffer = new byte[1024];                            int bytesRead;                            while ((bytesRead = fileinputStream.read(buffer)) != -1)                            {                                outputStream.write(buffer, 0, bytesRead);                            }                        } catch (IOException e1) {                            Log.i(TAG, "Unable to write file contents.");                        }                        // Create the initial Metadata - MIME type and Title.                        // Note that the user will be able to change the Title later.                        MetadataChangeSet MetadataChangeSet = new MetadataChangeSet.Builder()                                .setTitle(file.getname()).build();                        // Create an intent for the file chooser, and start it.                        IntentSender intentSender = Drive.DriveAPI                                .newCreatefileActivityBuilder()                                .setinitialMetadata(MetadataChangeSet)                                .setinitialDriveContents(result.getDriveContents())                                .build(mGoogleapiclient);                        try {                            startIntentSenderForResult(                                    intentSender, REQUEST_CODE_CREATOR, null, 0, 0, 0);                        } catch (IntentSender.SendIntentException e) {                            Log.i(TAG, "Failed to launch file chooser.");                        }                    }                });    }

通过快速入门中的设置,您可以使用此方法上传文件.

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