图片来源相机或画廊来了吗？ [英] Picture coming from camera or gallery?

问题描述

我有意向选择器，让我从画廊或摄像头这样的挑选图片：

I have an intent chooser that allows me to pick image from gallery or camera like this:

    Intent galleryIntent = new Intent(Intent.ACTION_GET_CONTENT,null);
    galleryIntent.setType("image/*");
    galleryIntent.addCategory(Intent.CATEGORY_OPENABLE);

    Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE); 


    Intent chooser = new Intent(Intent.ACTION_CHOOSER);
    chooser.putExtra(Intent.EXTRA_INTENT, galleryIntent);      
    chooser.putExtra(Intent.EXTRA_TITLE, "title");

    Intent[] intentArray =  {cameraIntent}; 
    chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);
    startActivityForResult(chooser,REQUEST_CODE);

我希望我的onActivityResult方法是这样的：

i want my onActivityResult method to be like this:

protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
    if(Condition == picture_coming_from_gallery)
    {
     //my code here
    }
    else if(condition == picture_coming_from_camera)
    {
     //another code here
    }
}

那是什么让我知道哪些源我的形象是哪里来的？条件

What is the condition that allows me to know which source my image is coming from?

更新：

现在它的工作，这里是解决方案：

Now it's working and here is the solution:

    protected void onActivityResult(int requestCode, int resultCode, Intent data) 
{
    if (requestCode == REQUEST_CODE && resultCode == Activity.RESULT_OK)
    {
        if(data.getData()!=null)
        {
            try 
            {
            if (bitmap != null) 
                {
                    bitmap.recycle();
                }

            InputStream stream = getContentResolver().openInputStream(data.getData());
            bitmap = BitmapFactory.decodeStream(stream);
            stream.close();
            imageView.setImageBitmap(bitmap);
            }

        catch (FileNotFoundException e) 
            {
                e.printStackTrace();
            }

        catch (IOException e) 
            {
                e.printStackTrace();
            }
        } 

        else 
        {
            bitmap=(Bitmap) data.getExtras().get("data"); 
            imageView.setImageBitmap(bitmap);
        }

        super.onActivityResult(requestCode, resultCode, data);
    }
}

谢谢您的帮助！

推荐答案

虽然目前一张code是一个整洁的方式presenting选择从，我发现，这是严重的难以管理的选择。至少在我使用的情况下，它是。我需要存储在鸟舍SDK进一步处理带下摄像机图像（如果用户选择这样做的）。

Although the current piece of code is a neat way of presenting options to choose from, I found that it was severely difficult to manage. At least in my use case it was. I need to store images taken off the Camera to process further in the Aviary SDK (if the user so chooses).

为此，我愿提出一个解决方法。

To that end, I would like to propose a workaround.

这不会解决你的问题本身。但是提供了一种替代考虑你需要知道的图像是从（摄像机/图库）的。

AlertDialog.Builder builder = new AlertDialog.Builder(StatusUpdate.this);
builder.setTitle("Choose Image Source");
builder.setItems(new CharSequence[] {"Gallery", "Camera"}, 
        new DialogInterface.OnClickListener() {

    @Override
    public void onClick(DialogInterface dialog, int which) {
        switch (which) {
        case 0:

            // GET IMAGE FROM THE GALLERY
            Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
            intent.setType("image/*");

            Intent chooser = Intent.createChooser(intent, "Choose a Picture");
            startActivityForResult(chooser, ACTION_REQUEST_GALLERY);

            break;

        case 1:
            Intent getCameraImage = new Intent("android.media.action.IMAGE_CAPTURE");

            File cameraFolder;

            if (android.os.Environment.getExternalStorageState().equals
                    (android.os.Environment.MEDIA_MOUNTED))
                cameraFolder = new File(android.os.Environment.getExternalStorageDirectory(),
                        "some_directory_to_save_images/");
            else
                cameraFolder= StatusUpdate.this.getCacheDir();
            if(!cameraFolder.exists())
                cameraFolder.mkdirs();

            SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd'T'HHmmss");
            String timeStamp = dateFormat.format(new Date());
            String imageFileName = "picture_" + timeStamp + ".jpg";

            File photo = new File(Environment.getExternalStorageDirectory(), 
                    "some_directory_to_save_images/" + imageFileName);
            getCameraImage.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photo));
            initialURI = Uri.fromFile(photo);

            startActivityForResult(getCameraImage, ACTION_REQUEST_CAMERA);

            break;

        default:
            break;
        }
    }
});

builder.show();

这是结果（我仍然认为你code给出一个更好的选择集，但同样，在您的使用情况不是简单的事情，或在我的任的）：

现在，您可以根据选择的源处理结果：

Now you can process the result based on the source of the selection:

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (resultCode == RESULT_OK)    {

        switch (requestCode) {
        case ACTION_REQUEST_GALLERY:

            break;

        case ACTION_REQUEST_CAMERA:

            break;          
        }

    }
};

更新：

找到它！有一个回答这里SO ，解决正是你需要的。它仍然是各种各样的*解决方法*。在某种意义上说，它不依赖于不同的请求codeS 。但尽管如此工作。

Found it!! There is an answer here on SO that addresses exactly what you need. It is still a * workaround of sorts*. In the sense that it does not rely on different requestCodes. But works nonetheless.

奇怪我错过了它，当我坚持这一点。 ： - （

Strange I missed it when I was stuck with this. :-(

注意： 我不张贴code在这里和我链接到它，而不是。所有的道具去原作者。 ： - ）的

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