Java tutorial
/* * Copyright (C) 2013 The Android Open Source Project * * 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.codetroopers.betterpickers.timezonepicker; import android.app.Dialog; import android.content.DialogInterface; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.DialogFragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import com.codetroopers.betterpickers.OnDialogDismissListener; public class TimeZonePickerDialogFragment extends DialogFragment implements TimeZonePickerView.OnTimeZoneSetListener { public static final String BUNDLE_START_TIME_MILLIS = "bundle_event_start_time"; public static final String BUNDLE_TIME_ZONE = "bundle_event_time_zone"; private static final String KEY_HAS_RESULTS = "has_results"; private static final String KEY_LAST_FILTER_STRING = "last_filter_string"; private static final String KEY_LAST_FILTER_TYPE = "last_filter_type"; private static final String KEY_LAST_FILTER_TIME = "last_filter_time"; private static final String KEY_HIDE_FILTER_SEARCH = "hide_filter_search"; private OnTimeZoneSetListener mTimeZoneSetListener; private TimeZonePickerView mView; private boolean mHasCachedResults = false; private OnDialogDismissListener mDismissCallback; public interface OnTimeZoneSetListener { void onTimeZoneSet(TimeZoneInfo tzi); } public void setOnTimeZoneSetListener(OnTimeZoneSetListener l) { mTimeZoneSetListener = l; } public TimeZonePickerDialogFragment() { super(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { long timeMillis = 0; String timeZone = null; Bundle b = getArguments(); if (b != null) { timeMillis = b.getLong(BUNDLE_START_TIME_MILLIS); timeZone = b.getString(BUNDLE_TIME_ZONE); } boolean hideFilterSearch = false; if (savedInstanceState != null) { hideFilterSearch = savedInstanceState.getBoolean(KEY_HIDE_FILTER_SEARCH); } mView = new TimeZonePickerView(getActivity(), null, timeZone, timeMillis, this, hideFilterSearch); if (savedInstanceState != null && savedInstanceState.getBoolean(KEY_HAS_RESULTS, false)) { mView.showFilterResults(savedInstanceState.getInt(KEY_LAST_FILTER_TYPE), savedInstanceState.getString(KEY_LAST_FILTER_STRING), savedInstanceState.getInt(KEY_LAST_FILTER_TIME)); } return mView; } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putBoolean(KEY_HAS_RESULTS, mView != null && mView.hasResults()); if (mView != null) { outState.putInt(KEY_LAST_FILTER_TYPE, mView.getLastFilterType()); outState.putString(KEY_LAST_FILTER_STRING, mView.getLastFilterString()); outState.putInt(KEY_LAST_FILTER_TIME, mView.getLastFilterTime()); outState.putBoolean(KEY_HIDE_FILTER_SEARCH, mView.getHideFilterSearchOnStart()); } } @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { Dialog dialog = super.onCreateDialog(savedInstanceState); dialog.requestWindowFeature(Window.FEATURE_NO_TITLE); dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE); return dialog; } @Override public void onTimeZoneSet(TimeZoneInfo tzi) { if (mTimeZoneSetListener != null) { mTimeZoneSetListener.onTimeZoneSet(tzi); } dismiss(); } @Override public void onDismiss(DialogInterface dialoginterface) { super.onDismiss(dialoginterface); if (mDismissCallback != null) { mDismissCallback.onDialogDismiss(dialoginterface); } } public TimeZonePickerDialogFragment setOnDismissListener(OnDialogDismissListener ondialogdismisslistener) { this.mDismissCallback = ondialogdismisslistener; return this; } }