Java tutorial
/* * Copyright (C) 2012-2016 Markus Junginger, greenrobot (http://greenrobot.org) * * 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 com.ccs.wedate.common.eventbus.util; import android.annotation.TargetApi; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.os.Build; import android.os.Bundle; import android.support.v4.app.DialogFragment; import com.ccs.wedate.common.eventbus.EventBus; public class ErrorDialogFragments { /** TODO Use config: Icon res ID to use for all error dialogs. May be configured by each app (optional). */ public static int ERROR_DIALOG_ICON = 0; /** TODO Use config: Event class to be fired on dismissing the dialog by the user. May be configured by each app. */ public static Class<?> EVENT_TYPE_ON_CLICK; public static Dialog createDialog(Context context, Bundle arguments, OnClickListener onClickListener) { AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setTitle(arguments.getString(ErrorDialogManager.KEY_TITLE)); builder.setMessage(arguments.getString(ErrorDialogManager.KEY_MESSAGE)); if (ERROR_DIALOG_ICON != 0) { builder.setIcon(ERROR_DIALOG_ICON); } builder.setPositiveButton(android.R.string.ok, onClickListener); return builder.create(); } public static void handleOnClick(DialogInterface dialog, int which, Activity activity, Bundle arguments) { if (EVENT_TYPE_ON_CLICK != null) { Object event; try { event = EVENT_TYPE_ON_CLICK.newInstance(); } catch (Exception e) { throw new RuntimeException("Event cannot be constructed", e); } EventBus eventBus = ErrorDialogManager.factory.config.getEventBus(); eventBus.post(event); } boolean finish = arguments.getBoolean(ErrorDialogManager.KEY_FINISH_AFTER_DIALOG, false); if (finish && activity != null) { activity.finish(); } } @TargetApi(Build.VERSION_CODES.HONEYCOMB) public static class Honeycomb extends android.app.DialogFragment implements OnClickListener { @Override public Dialog onCreateDialog(Bundle savedInstanceState) { return createDialog(getActivity(), getArguments(), this); } @Override public void onClick(DialogInterface dialog, int which) { handleOnClick(dialog, which, getActivity(), getArguments()); } } public static class Support extends DialogFragment implements OnClickListener { @Override public Dialog onCreateDialog(Bundle savedInstanceState) { return createDialog(getActivity(), getArguments(), this); } @Override public void onClick(DialogInterface dialog, int which) { handleOnClick(dialog, which, getActivity(), getArguments()); } } }