我正在尝试找到重用显示自定义标题的Dialog的方法,然后将Yes / No click发送到已启动Dialog的功能.
我有两个按钮,保存和解除,并且都调用是/否对话,一个显示“你想保存”,另一个显示“关闭更改？”.
我认为我的程序非常“脏”但我想它可以工作,但我的问题是“查看视图”变量,我不知道如何将它从Activity传递给Dialog,所以我可以用它来回忆启动Dialog的功能.
提前致谢,
HerniHdez
我活动的.java(片段)
public void open_HH_Fragment_YesNo(View view,String aux_title,String aux_function)
{
Bundle bundle=new Bundle();
bundle.putString("setMessage",aux_title);
bundle.putString("callingFunction",aux_function);
DialogFragment newFragment = new HH_Fragment_YesNo();
newFragment.setArguments(bundle);
newFragment.show(getSupportFragmentManager(),"HH_Fragment_YesNo");
}
public void SaveChanges(View view,String aux_YesNo)
{
if (aux_YesNo == "")
{
Toast.makeText(this,"Save changes?",Toast.LENGTH_SHORT).show();
open_HH_Fragment_YesNo(view,"SaveChanges");
}
else if (aux_YesNo == "Yes")
{
Toast.makeText(this,"Saving changes",Toast.LENGTH_SHORT).show();
}
else if (aux_YesNo == "No")
{
Toast.makeText(this,"Save Cancelled",Toast.LENGTH_SHORT).show();
}
}
public void DismissChanges(View view,"Dismiss changes?","DismissChanges");
}
else if (aux_YesNo == "Yes")
{
Toast.makeText(this,"Dismiss OK",Toast.LENGTH_SHORT).show();
Close(view);
}
else if (aux_YesNo == "No")
{
Toast.makeText(this,"Dismiss Cancelled",Toast.LENGTH_SHORT).show();
}
}
// The dialog fragment receives a reference to this Activity through the
// Fragment.onAttach() callback,which it uses to call the following methods
// defined by the HH_Fragment_YesNo.YesNoDialogListener interface
@Override
public void onDialogPositiveClick(DialogFragment dialog,View view,String aux_function)
{
// User touched the dialog's positive button
Toast.makeText(this,"User clicked on Yes",Toast.LENGTH_SHORT).show();
if (aux_function == "SaveChanges")
{
SaveChanges(view,"Yes");
}
else if (aux_function == "DismissChanges")
{
DismissChanges(view,"Yes");
}
}
@Override
public void onDialogNegativeClick(DialogFragment dialog,String aux_function)
{
Toast.makeText(this,"User clicked on NO","No");
}
else if (aux_function == "DismissChanges")
{
DismissChanges(view,"No");
}
}
我的对话的.java(完整)
public class HH_Fragment_YesNo extends DialogFragment
{
@Override
public Dialog onCreateDialog(Bundle savedInstanceState)
{
// Use the Builder class for convenient dialog construction
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
String setMessage = getArguments().getString("setMessage");
final String callingFunction = getArguments().getString("callingFuntion");
builder
.setMessage(setMessage) // R.string.dialog_fire_missiles
.setPositiveButton("Sí",new DialogInterface.OnClickListener() // R.string.fire
{
public void onClick(DialogInterface dialog,int id)
{
// Exit without saving
mListener.onDialogPositiveClick(HH_Fragment_YesNo.this,view,callingFunction);
}
})
.setNegativeButton("No",new DialogInterface.OnClickListener() // R.string.cancel
{
public void onClick(DialogInterface dialog,int id)
{
// User cancelled the dialog
mListener.onDialogNegativeClick(HH_Fragment_YesNo.this,callingFunction);
}
});
// Create the AlertDialog object and return it
return builder.create();
}
/* The activity that creates an instance of this dialog fragment must
* implement this interface in order to receive event callbacks.
* Each method passes the DialogFragment in case the host needs to query it. */
public interface YesNoDialogListener
{
public void onDialogPositiveClick(DialogFragment dialog,String aux_Function);
public void onDialogNegativeClick(DialogFragment dialog,String aux_Function);
}
// Use this instance of the interface to deliver action events
YesNoDialogListener mListener;
// Override the Fragment.onAttach() method to instantiate the NoticeDialogListener
@Override
public void onAttach(Activity activity)
{
super.onAttach(activity);
// Verify that the host activity implements the callback interface
try
{
// Instantiate the NoticeDialogListener so we can send events to the host
mListener = (YesNoDialogListener) activity;
}
catch (ClassCastException e)
{
// The activity doesn't implement the interface,throw exception
throw new ClassCastException(activity.toString() + " must implement NoticeDialogListener");
}
}
}
