1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.tv.settings.system; 18 19 import android.app.AlarmManager; 20 import android.content.Context; 21 import android.os.Bundle; 22 import android.text.TextUtils; 23 import android.util.TypedValue; 24 import android.view.ContextThemeWrapper; 25 import android.view.LayoutInflater; 26 import android.view.View; 27 import android.view.ViewGroup; 28 import android.widget.TextView; 29 30 import androidx.leanback.preference.LeanbackPreferenceDialogFragment; 31 import androidx.leanback.widget.picker.DatePicker; 32 import androidx.leanback.widget.picker.TimePicker; 33 import androidx.preference.DialogPreference; 34 35 import com.android.tv.settings.R; 36 37 import java.util.Calendar; 38 39 /** 40 * A DialogFragment started for either setting date or setting time purposes. The type of 41 * fragment launched is controlled by the type of {@link LeanbackPickerDialogPreference} 42 * that's clicked. Launching of these two fragments is done inside 43 * {@link com.android.tv.settings.BaseSettingsFragment#onPreferenceDisplayDialog}. 44 */ 45 public class LeanbackPickerDialogFragment extends LeanbackPreferenceDialogFragment { 46 47 private static final String EXTRA_PICKER_TYPE = "LeanbackPickerDialogFragment.PickerType"; 48 private static final String TYPE_DATE = "date"; 49 private static final String TYPE_TIME = "time"; 50 private static final String SAVE_STATE_TITLE = "LeanbackPickerDialogFragment.title"; 51 52 private CharSequence mDialogTitle; 53 private Calendar mCalendar; 54 55 /** 56 * Generated a new DialogFragment displaying a Leanback DatePicker widget. 57 * @param key The preference key starting this DialogFragment. 58 * @return The fragment to be started displaying a DatePicker widget for setting date. 59 */ newDatePickerInstance(String key)60 public static LeanbackPickerDialogFragment newDatePickerInstance(String key) { 61 final Bundle args = new Bundle(1); 62 args.putString(ARG_KEY, key); 63 args.putString(EXTRA_PICKER_TYPE, TYPE_DATE); 64 65 final LeanbackPickerDialogFragment fragment = new LeanbackPickerDialogFragment(); 66 fragment.setArguments(args); 67 return fragment; 68 } 69 70 /** 71 * Generated a new DialogFragment displaying a Leanback TimePicker widget. 72 * @param key The preference key starting this DialogFragment. 73 * @return The fragment to be started displaying a TimePicker widget for setting time. 74 */ newTimePickerInstance(String key)75 public static LeanbackPickerDialogFragment newTimePickerInstance(String key) { 76 final Bundle args = new Bundle(1); 77 args.putString(ARG_KEY, key); 78 args.putString(EXTRA_PICKER_TYPE, TYPE_TIME); 79 80 final LeanbackPickerDialogFragment fragment = new LeanbackPickerDialogFragment(); 81 fragment.setArguments(args); 82 return fragment; 83 } 84 85 @Override onCreate(Bundle savedInstanceState)86 public void onCreate(Bundle savedInstanceState) { 87 super.onCreate(savedInstanceState); 88 89 if (savedInstanceState == null) { 90 final DialogPreference preference = getPreference(); 91 mDialogTitle = preference.getDialogTitle(); 92 } else { 93 mDialogTitle = savedInstanceState.getCharSequence(SAVE_STATE_TITLE); 94 } 95 mCalendar = Calendar.getInstance(); 96 } 97 98 @Override onSaveInstanceState(Bundle outState)99 public void onSaveInstanceState(Bundle outState) { 100 super.onSaveInstanceState(outState); 101 outState.putCharSequence(SAVE_STATE_TITLE, mDialogTitle); 102 } 103 104 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)105 public View onCreateView(LayoutInflater inflater, ViewGroup container, 106 Bundle savedInstanceState) { 107 final String pickerType = getArguments().getString(EXTRA_PICKER_TYPE); 108 109 final TypedValue tv = new TypedValue(); 110 getActivity().getTheme().resolveAttribute(R.attr.preferenceTheme, tv, true); 111 int theme = tv.resourceId; 112 if (theme == 0) { 113 // Fallback to default theme. 114 theme = R.style.PreferenceThemeOverlayLeanback; 115 } 116 Context styledContext = new ContextThemeWrapper(getActivity(), theme); 117 LayoutInflater styledInflater = inflater.cloneInContext(styledContext); 118 final View view = styledInflater.inflate(R.layout.picker_dialog_fragment, container, false); 119 ViewGroup pickerContainer = view.findViewById(R.id.picker_container); 120 if (pickerType.equals(TYPE_DATE)) { 121 styledInflater.inflate(R.layout.date_picker_widget, pickerContainer, true); 122 DatePicker datePicker = pickerContainer.findViewById(R.id.date_picker); 123 datePicker.setActivated(true); 124 datePicker.setOnClickListener(v -> { 125 // Setting the new system date 126 ((AlarmManager) getContext().getSystemService(Context.ALARM_SERVICE)).setTime( 127 datePicker.getDate() 128 ); 129 // Finish the fragment/activity when clicked. 130 if (!getFragmentManager().popBackStackImmediate()) { 131 getActivity().finish(); 132 } 133 }); 134 135 } else { 136 styledInflater.inflate(R.layout.time_picker_widget, pickerContainer, true); 137 TimePicker timePicker = pickerContainer.findViewById(R.id.time_picker); 138 timePicker.setActivated(true); 139 timePicker.setOnClickListener(v -> { 140 // Setting the new system time 141 mCalendar.set(Calendar.HOUR_OF_DAY, timePicker.getHour()); 142 mCalendar.set(Calendar.MINUTE, timePicker.getMinute()); 143 mCalendar.set(Calendar.SECOND, 0); 144 mCalendar.set(Calendar.MILLISECOND, 0); 145 ((AlarmManager) getContext().getSystemService(Context.ALARM_SERVICE)).setTime( 146 mCalendar.getTimeInMillis() 147 ); 148 // Finish the fragment/activity when clicked. 149 if (!getFragmentManager().popBackStackImmediate()) { 150 getActivity().finish(); 151 } 152 }); 153 } 154 155 final CharSequence title = mDialogTitle; 156 if (!TextUtils.isEmpty(title)) { 157 final TextView titleView = view.findViewById(R.id.decor_title); 158 titleView.setText(title); 159 } 160 return view; 161 } 162 } 163