Java tutorial
/* * ProgressDialogFragment.java * * Copyright 2014 Yuuki Shimizu. * * 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.github.yuukis.businessmap.app; import android.app.Dialog; import android.app.ProgressDialog; import android.content.DialogInterface; import android.os.Bundle; import android.support.v4.app.DialogFragment; public class ProgressDialogFragment extends DialogFragment { public static final String TITLE = "title"; public static final String MESSAGE = "message"; public static final String MAX = "max"; public static final String CANCELABLE = "cancelable"; public static final String TAG = "ProgressDialogFragment"; public static ProgressDialogFragment newInstance() { return new ProgressDialogFragment(); } public interface ProgressDialogFragmentListener { void onProgressCancelled(); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { boolean cancelable = getArguments().getBoolean(CANCELABLE, false); setCancelable(cancelable); String title = getArguments().getString(TITLE); String message = getArguments().getString(MESSAGE); ProgressDialog dialog = new ProgressDialog(getActivity()); dialog.setTitle(title); dialog.setMessage(message); dialog.setIndeterminate(false); dialog.setCanceledOnTouchOutside(false); dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); dialog.setMax(getArguments().getInt(MAX)); return dialog; } public void updateProgress(int value) { ProgressDialog dialog = (ProgressDialog) getDialog(); if (dialog != null) { dialog.setProgress(value); } } @Override public void onCancel(DialogInterface dialog) { super.onCancel(dialog); if (getProgressDialogFragmentListener() != null) { getProgressDialogFragmentListener().onProgressCancelled(); } } private ProgressDialogFragmentListener getProgressDialogFragmentListener() { if (getActivity() == null) { return null; } if (getActivity() instanceof ProgressDialogFragmentListener) { return (ProgressDialogFragmentListener) getActivity(); } return null; } }