无法解码流 [英] Unable to decode stream

问题描述

我想使用图像文件的绝对路径将图像保存到Bitmap中，下面是我的代码:

I want to save an image into Bitmap by using the absolute path of the image file, below is my code:

Log.d("PhotoPath", selected.getImagePath());
File file = new File(selected.getImagePath());
if(file.exists())
{
    Log.d("File", "Exist");
    Bitmap d = new BitmapDrawable(getResources(), selected.getImagePath()).getBitmap();
    int nh = (int) (d.getHeight() * (512.0 / d.getWidth()));
    Bitmap scaled = Bitmap.createScaledBitmap(d, 512, nh, true);
    iv_Photo.setImageBitmap(scaled);
}
else
    Log.d("File", "Not exist");

下面是我的输出，包括以下异常:

Below is my output including the exception:

D/PhotoPath: /storage/emulated/0/DCIM/POEMS/JPEG_20161214_170251_1637243168.jpg
D/File: Exist
E/BitmapFactory: Unable to decode stream: java.io.FileNotFoundException: /storage/emulated/0/DCIM/POEMS/JPEG_20161214_170251_1637243168.jpg (Permission denied)
W/BitmapDrawable: BitmapDrawable cannot decode /storage/emulated/0/DCIM/POEMS/JPEG_20161214_170251_1637243168.jpg

出什么问题了?我确实在清单中添加了WRITE_EXTERNAL_STORAGE权限.

What is the problem? I did add WRITE_EXTERNAL_STORAGE permission in Manifest.

推荐答案

请在此处查看下面的内容，您需要解码文件路径，然后才能获得位图.

Please see below here, you need to decode file path then you will get bitmap.

Log.d("PhotoPath", selected.getImagePath());
File file = new File(selected.getImagePath());
if(file.exists())
{
Bitmap bitmap = BitmapFactory.decodeFile(file.getAbsolutePath());
}
else
    Log.d("File", "Not exist");

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