优化

app/src/main/java/io/legado/app/ui/login/SourceLoginDialog.kt

@@ -34,9 +34,12 @@ class SourceLoginDialog : BaseDialogFragment(R.layout.dialog_login) {
     override fun onStart() {
         super.onStart()
         setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)
+        dialog?.window?.setBackgroundDrawableResource(R.color.transparent)
     }
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
+        view.setBackgroundResource(R.color.transparent)
+        view.setOnClickListener { dismiss() }
         val source = viewModel.source ?: return
         binding.toolBar.setBackgroundColor(primaryColor)
         binding.toolBar.title = getString(R.string.login_source, source.getTag())