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AvatarDialogFragment.java

package wizzo.mbc.net.fragments;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;

import wizzo.mbc.net.R;

/**
 * This dialog fragment allows user to select picture from Gallery
 * or capture new picture using Camera app.
 */
public class AvatarDialogFragment extends DialogFragment {
    private AvatarDialogListener listener;

    public interface AvatarDialogListener {
        void onCameraOptionClick(DialogFragment dialog);
        void onGalleryOptionClick(DialogFragment dialog);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            listener = (AvatarDialogListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString() + " must implement AvatarDialogListener");
        }
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
        builder.setIcon(android.R.drawable.ic_dialog_info);
        builder.setTitle(getResources().getString(R.string.change_avatar));
        builder.setCancelable(true); // Add this so as we can cancel this action
        // TODO WE MUST ADD STH TO MAKE CANCELABLE THE DIALOG BECAUSE CURRENTLY THE DIALOG CANNOT CLOSE
        // TODO THE USER MUST CAPTURE A PHOTO IN ORDER TO CLOSE THE DIALOG!!
        // Should add something like that also: builder.setCanceledOnTouchOutside(true);
        builder.setItems(R.array.change_avatar_options, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                if (getActivity() == null || isDetached()) {
                    return;
                }
                if (which == 0) {
                    listener.onCameraOptionClick(AvatarDialogFragment.this);
                } else if (which == 1) {
                    listener.onGalleryOptionClick(AvatarDialogFragment.this);
                }
            }
        });
        return builder.create();
    }
}