我想在圖庫中打開圖片。圖庫路徑爲root +「/ saved_images」,名稱爲fname。它會打開我可以選擇該圖片的圖庫,但我想直接打開該圖片。如何在圖庫中打開圖片
String root = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString();
String fname = "Image-" + formattedDate + ".jpg";
Intent intent = new Intent();
intent.setAction(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.parse(root + "/saved_images"+fname), "image/*");
startActivity(intent);
您是否擁有讀取外部存儲權限? http://developer.android.com/reference/android/Manifest.permission.html#READ_EXTERNAL_STORAGE –