Java tutorial
/* * Copyright (C) 2015 Haruki Hasegawa * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package bulat.diet.helper_couch.common.fragment; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.app.DialogFragment; import android.support.v7.widget.RecyclerView; public class ExpandableItemPinnedMessageDialogFragment extends DialogFragment { private static final String KEY_GROUP_ITEM_POSITION = "group_position"; private static final String KEY_CHILD_ITEM_POSITION = "child_position"; public interface EventListener { void onNotifyExpandableItemPinnedDialogDismissed(int groupPosition, int childPosition, boolean ok); } public static ExpandableItemPinnedMessageDialogFragment newInstance(int groupPosition, int childPosition) { final ExpandableItemPinnedMessageDialogFragment frag = new ExpandableItemPinnedMessageDialogFragment(); final Bundle args = new Bundle(); args.putInt(KEY_GROUP_ITEM_POSITION, groupPosition); args.putInt(KEY_CHILD_ITEM_POSITION, childPosition); frag.setArguments(args); return frag; } public ExpandableItemPinnedMessageDialogFragment() { super(); } @NonNull @Override public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) { final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); final int groupPosition = getArguments().getInt(KEY_GROUP_ITEM_POSITION, Integer.MIN_VALUE); final int childPosition = getArguments().getInt(KEY_CHILD_ITEM_POSITION, Integer.MIN_VALUE); // for expandable list if (childPosition == RecyclerView.NO_POSITION) { // builder.setMessage(getString(R.string.dialog_message_group_item_pinned, groupPosition)); } else { // builder.setMessage(getString(R.string.dialog_message_child_item_pinned, groupPosition, childPosition)); } builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { notifyItemPinnedDialogDismissed(true); } }); builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.cancel(); } }); builder.setCancelable(true); return builder.create(); } @Override public void onCancel(DialogInterface dialog) { super.onCancel(dialog); notifyItemPinnedDialogDismissed(false); } private void notifyItemPinnedDialogDismissed(boolean ok) { final int groupPosition = getArguments().getInt(KEY_GROUP_ITEM_POSITION); final int childPosition = getArguments().getInt(KEY_CHILD_ITEM_POSITION); ((EventListener) getActivity()).onNotifyExpandableItemPinnedDialogDismissed(groupPosition, childPosition, ok); } }