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.os.Build; import android.os.Bundle; import android.support.v4.app.Fragment; /** * Factory to allow injecting a more complex exception mapping; typically you would subclass one of {@link Honeycomb} or * {@link Support}. */ public abstract class ErrorDialogFragmentFactory<T> { protected final ErrorDialogConfig config; protected ErrorDialogFragmentFactory(ErrorDialogConfig config) { this.config = config; } /** * Prepares the fragment's arguments and creates the fragment. May be overridden to provide custom error fragments. */ protected T prepareErrorFragment(ThrowableFailureEvent event, boolean finishAfterDialog, Bundle argumentsForErrorDialog) { if (event.isSuppressErrorUi()) { // Show nothing by default return null; } Bundle bundle; if (argumentsForErrorDialog != null) { bundle = (Bundle) argumentsForErrorDialog.clone(); } else { bundle = new Bundle(); } if (!bundle.containsKey(ErrorDialogManager.KEY_TITLE)) { String title = getTitleFor(event, bundle); bundle.putString(ErrorDialogManager.KEY_TITLE, title); } if (!bundle.containsKey(ErrorDialogManager.KEY_MESSAGE)) { String message = getMessageFor(event, bundle); bundle.putString(ErrorDialogManager.KEY_MESSAGE, message); } if (!bundle.containsKey(ErrorDialogManager.KEY_FINISH_AFTER_DIALOG)) { bundle.putBoolean(ErrorDialogManager.KEY_FINISH_AFTER_DIALOG, finishAfterDialog); } if (!bundle.containsKey(ErrorDialogManager.KEY_EVENT_TYPE_ON_CLOSE) && config.defaultEventTypeOnDialogClosed != null) { bundle.putSerializable(ErrorDialogManager.KEY_EVENT_TYPE_ON_CLOSE, config.defaultEventTypeOnDialogClosed); } if (!bundle.containsKey(ErrorDialogManager.KEY_ICON_ID) && config.defaultDialogIconId != 0) { bundle.putInt(ErrorDialogManager.KEY_ICON_ID, config.defaultDialogIconId); } return createErrorFragment(event, bundle); } /** Returns either a new Honeycomb+ or a new support library DialogFragment. */ protected abstract T createErrorFragment(ThrowableFailureEvent event, Bundle arguments); /** May be overridden to provide custom error title. */ protected String getTitleFor(ThrowableFailureEvent event, Bundle arguments) { return config.resources.getString(config.defaultTitleId); } /** May be overridden to provide custom error messages. */ protected String getMessageFor(ThrowableFailureEvent event, Bundle arguments) { int msgResId = config.getMessageIdForThrowable(event.throwable); return config.resources.getString(msgResId); } public static class Support extends ErrorDialogFragmentFactory<Fragment> { public Support(ErrorDialogConfig config) { super(config); } protected Fragment createErrorFragment(ThrowableFailureEvent event, Bundle arguments) { ErrorDialogFragments.Support errorFragment = new ErrorDialogFragments.Support(); errorFragment.setArguments(arguments); return errorFragment; } } @TargetApi(Build.VERSION_CODES.HONEYCOMB) public static class Honeycomb extends ErrorDialogFragmentFactory<android.app.Fragment> { public Honeycomb(ErrorDialogConfig config) { super(config); } protected android.app.Fragment createErrorFragment(ThrowableFailureEvent event, Bundle arguments) { ErrorDialogFragments.Honeycomb errorFragment = new ErrorDialogFragments.Honeycomb(); errorFragment.setArguments(arguments); return errorFragment; } } }