保存的ImageView到Android模拟器图库 [英] Save ImageView to Android Emulator Gallery

问题描述

我想保存图像到Android画廊，这是我目前的code：

I'd like to Save an Image to the Android Gallery, here's my current code:

image.setDrawingCacheEnabled(true);

image.buildDrawingCache(true);
Bitmap b = image.getDrawingCache();

if(!new File("/"+Environment.DIRECTORY_PICTURES).exists())
    Log.e("Error","/"+Environment.DIRECTORY_PICTURES+" Dont exist");

File file = new File(Environment.DIRECTORY_PICTURES+"/myImage.jpg");
file.createNewFile();
FileOutputStream ostream = new FileOutputStream(file);
b.compress(CompressFormat.JPEG, 80, ostream);
image.setDrawingCacheEnabled(false);
ostream.close();
Toast.makeText(Ads.this, "Offer saved", 1).show();

它总是返回相同的错误：

It always returns the same error:

Error: /Pictures Dont exist

然后一个IOException：

Then an IOException:

java.io.IOException: open failed: ENOENT (No such file or directory)

这是一个4.0 Android虚拟设备。 我试图使用 Environment.getRootDirectory（）获得AVD还的根目录下，但我仍然收到了同样的错误。

This is on a 4.0 Android Virtual Device. I've tried to use Environment.getRootDirectory() to get the root directory of the AVD also, but I still receive the same errors.

什么是测试在保存图像库中的AVD正确的方法是什么？

What is the correct way to test saving an image to gallery in an AVD?

推荐答案

一直以来，你已经拥有了位图您可以使用此code，以将其插入画廊：

Since, you already have the Bitmap you can use this code to insert it into the gallery:

Bitmap b = image.getDrawingCache();
Images.Media.insertImage(getContentResolver(), b, title, description);

标题和说明可以为空，如果你不关心设置他们。如果乌里返回为非空，然后插入成功。

title and description can be null if you don't care about setting them. If the Uri returned is non-null, then the insertion was successful.

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