如何从Uri中获得位图对象(如果我成功地将它存储在 /data/data/MYFOLDER/myimage.png或文件///data/data/MYFOLDER/myimage.png)在我的应用程序中使用它?
有人知道怎么做到吗?
如何从Uri中获得位图对象(如果我成功地将它存储在 /data/data/MYFOLDER/myimage.png或文件///data/data/MYFOLDER/myimage.png)在我的应用程序中使用它?
有人知道怎么做到吗?
当前回答
private fun setImage(view: ImageView, uri: Uri) {
val stream = contentResolver.openInputStream(uri)
val bitmap = BitmapFactory.decodeStream(stream)
view.setImageBitmap(bitmap)
}
其他回答
在2022年使用线圈库。
https://coil-kt.github.io/coil/compose/
对于喷气背包组合
AsyncImage(
model = uriOfImage,
contentDescription = null,
)
从移动库中获取图像uri的完整方法。
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null && data.getData() != null) {
Uri filePath = data.getData();
try { //Getting the Bitmap from Gallery
Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), filePath);
rbitmap = getResizedBitmap(bitmap, 250);//Setting the Bitmap to ImageView
serImage = getStringImage(rbitmap);
imageViewUserImage.setImageBitmap(rbitmap);
} catch (IOException e) {
e.printStackTrace();
}
}
}
try
{
Bitmap bitmap = MediaStore.Images.Media.getBitmap(c.getContentResolver() , Uri.parse(paths));
}
catch (Exception e)
{
//handle exception
}
yes路径必须是这样的格式
file:///mnt/sdcard/filename.jpg
Uri imgUri = data.getData();
Bitmap bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), imgUri);
InputStream imageStream = null;
try {
imageStream = getContext().getContentResolver().openInputStream(uri);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
final Bitmap selectedImage = BitmapFactory.decodeStream(imageStream);