棒棒糖android中的文件路径总是返回null [英] file path return null always in lollipop android

问题描述

这是我从内部存储(图库)获取图像时的代码.在棒棒糖文件路径中返回始终为空.

this is my code when i'm getting image from internal storage (gallery). In lollipop file path return always null.

if (requestCode == PICK_IMAGE)  {
        if(resultCode == RESULT_OK){
            //image successfully picked
            // launching upload activity
            Uri selectedImage = data.getData();
            String[] filePathColumn = { MediaStore.Images.Media.DATA };
            Cursor cursor = getContentResolver().query(selectedImage,filePathColumn, null, null, null);
            cursor.moveToFirst();
            columnindex = cursor.getColumnIndex(MediaStore.Images.Media.DATA);
            file_path = cursor.getString(columnindex);
            Log.d(getClass().getName(), "file_path"+file_path);
            fileUri = Uri.parse("file://" + file_path);
            cursor.close();
            launchUploadActivity(true, PICK_IMAGE);
        }else if (resultCode == RESULT_CANCELED) {
            // user cancelled recording
            Toast.makeText(getApplicationContext(),"User cancelled image  selection", Toast.LENGTH_SHORT).show();
        } else {
            // failed to record video
            Toast.makeText(getApplicationContext(),"Sorry! failed to pick image", Toast.LENGTH_SHORT).show();
        }

推荐答案

谢谢大家，我找到了解决方案.

Thanx all,I found the solution.

    Uri selectedImage = data.getData();
            String wholeID = DocumentsContract.getDocumentId(selectedImage);

            // Split at colon, use second item in the array
            String id = wholeID.split(":")[1];

            String[] column = { MediaStore.Images.Media.DATA };     

            // where id is equal to             
            String sel = MediaStore.Images.Media._ID + "=?";

            Cursor cursor = getContentResolver().
                                      query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, 
                                      column, sel, new String[]{ id }, null);

            String filePath = "";

            int columnIndex = cursor.getColumnIndex(column[0]);

            if (cursor.moveToFirst()) {
                filePath = cursor.getString(columnIndex);
            }   
            cursor.close();
            setImageFromIntent(filePath);

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