在机器人的Picasa访问：PicasaUploadActivity

问题描述

我是新来的Andr​​oid，和我挣扎弄清楚到底是什么工具可以给我。我正在开发针对Android 2.0.1现在，只因为那是我的设备上运行的内容。

I am new to Android, and I'm struggling to figure out exactly what tools are available to me.I am developing for Android 2.0.1 for now, just because that is what my device runs.

具体，我写一个应用程序，我想上传图片到的Picasa相册 。我几乎可以肯定，这是支持的;例如，内置的（谷歌？）照片浏览器有一个分享按钮，用Picasa的选项，甚至一个小一点的样本code，其中包括段

Specifically, I am writing an app that I would like to upload images to a Picasa album. I am almost sure this is supported; for example, the built in (Google?) photo viewer has a 'share' button with a Picasa option, and even a small bit of sample code, including the snippet

[借来的code！道歉，如果这是违反规则..] 的

temp.setComponent(new ComponentName
("com.google.android.apps.uploader",
"com.google.android.apps.uploader.picasa.PicasaUploadActivity"));
startActivityForResult(temp, PICASA_INTENT)

看起来像正是我想要的。

which looks like exactly what I want.

但我找不到任何文档的任何地方。我其实还不是很清楚如何使用此类型的资源。在Eclipse中，我需要有另外一个项目， com.google.android.apps.uploader ？如果是这样，我怎么得到它？我如何包括它？有没有为我提供任何工作示例code偷看？

But I can't find any documentation anywhere. I am in fact quite unclear how to use this type of resource. From within Eclipse, do I need to include another project, com.google.android.apps.uploader? If so, how do I get it? How do I include it? Is there any working sample code provided for me to peek at?

推荐答案

视频谷歌I / O 2011 - （。第40分钟）在Android 的访问谷歌API的最佳实践

video Google I/O 2011 - Best practices for Accessing Google APIs on Android (40th min.)

public class PostPhotoActivity extends Activity
{

@Override
protected void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);

    try
    {
        HttpRequestFactory requestFactory = new NetHttpTransport().createRequestFactory();
        Intent intent = getIntent();
        Bundle extras = intent.getExtras();
        InputStreamContent content = new InputStreamContent();
        ContentResolver contentResolver = getContentResolver();
        Uri uri = (Uri) extras.getParcelable(Intent.EXTRA_STREAM);
        content.inputStream = contentResolver.openInputStream(uri);
        Cursor cursor = contentResolver.query(uri, null, null, null, null);
        cursor.moveToFirst();
        content.type = intent.getType();
        content.length = cursor.getLong(cursor.getColumnIndexOrThrow(Images.Media.SIZE));
        HttpRequest request = requestFactory.buildPostRequest(new GenericUrl(
            "https://picasaweb.google.com/data/feed/api/user/default/albumid/default"), content);
        GoogleHeaders headers = new GoogleHeaders();
        request.headers = headers;
        String fileName = cursor.getString(cursor.getColumnIndexOrThrow(Images.Media.DISPLAY_NAME));
        headers.setSlugFromFileName(fileName);
        request.execute().ignore();
    }
    catch (IOException e)
    {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

}

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