我正在尝试根据缩略图路径获取图像路径,我已经尝试过来自android-getting-path-to-image-from-thumbnail的解决方案,但它基于网格视图位置,而我只检索特定图像。此外,我在SO中找到了一个样例代码,该代码为:
private String getImagePathFromThumbPath(String thumbPath)
{
String imgPath=null;
// String[] projection = new String[] {MediaStore.Images.Thumbnails._ID, MediaStore.Images.Thumbnails.IMAGE_ID};
String[] imagesDataPath={ MediaStore.Images.Media.DATA ,MediaStore.Images.Media._ID};
//mResolver.query() requires android API 16
Cursor thumbnails = mResolver.query(MediaStore.Images.Thumbnails.EXTERNAL_CONTENT_URI, imagesDataPath,MediaStore.Images.Thumbnails.DATA+"=?",new String[]{thumbPath}, null, null);
String[] filePathColumn = {MediaStore.Images.Media.DATA};
Cursor imageCursor = mResolver.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, filePathColumn, MediaStore.Images.Media._ID + "=?", new String[] {thumbId}, null);
if (imageCursor != null && imageCursor.moveToFirst()) {
// Your file-path will be here
imgPath= imageCursor.getString(imageCursor.getColumnIndex(filePathColumn[0]));
}
return imgPath;
}
上述方法稍作修改以适应我的需求,它在 Toasting 时不返回任何内容,请告诉我如何使用缩略图路径检索图片路径?