1 /* 2 * Copyright (C) 2015 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.deskclock.settings; 18 19 import android.app.AlertDialog; 20 import android.content.Context; 21 import android.content.res.Resources; 22 import android.content.res.TypedArray; 23 import android.os.Parcelable; 24 import android.preference.DialogPreference; 25 import android.support.annotation.NonNull; 26 import android.util.AttributeSet; 27 import android.view.View; 28 import android.widget.NumberPicker; 29 import android.widget.TextView; 30 31 import com.android.deskclock.NumberPickerCompat; 32 import com.android.deskclock.R; 33 import com.android.deskclock.Utils; 34 35 /** 36 * A dialog preference that shows a number picker for selecting snooze length 37 */ 38 public final class SnoozeLengthDialog extends DialogPreference { 39 40 private static final String DEFAULT_SNOOZE_TIME = "10"; 41 42 private NumberPickerCompat mNumberPickerView; 43 private TextView mNumberPickerMinutesView; 44 private final Context mContext; 45 private int mSnoozeMinutes; 46 SnoozeLengthDialog(Context context, AttributeSet attrs)47 public SnoozeLengthDialog(Context context, AttributeSet attrs) { 48 super(context, attrs); 49 mContext = context; 50 setDialogLayoutResource(R.layout.snooze_length_picker); 51 setTitle(R.string.snooze_duration_title); 52 } 53 54 @Override onPrepareDialogBuilder(AlertDialog.Builder builder)55 protected void onPrepareDialogBuilder(AlertDialog.Builder builder) { 56 super.onPrepareDialogBuilder(builder); 57 builder.setTitle(getContext().getString(R.string.snooze_duration_title)) 58 .setCancelable(true); 59 } 60 61 @Override onBindDialogView(@onNull View view)62 protected void onBindDialogView(@NonNull View view) { 63 super.onBindDialogView(view); 64 mNumberPickerMinutesView = (TextView) view.findViewById(R.id.title); 65 mNumberPickerView = (NumberPickerCompat) view.findViewById(R.id.minutes_picker); 66 mNumberPickerView.setMinValue(1); 67 mNumberPickerView.setMaxValue(30); 68 mNumberPickerView.setValue(mSnoozeMinutes); 69 updateUnits(); 70 71 mNumberPickerView.setOnAnnounceValueChangedListener( 72 new NumberPickerCompat.OnAnnounceValueChangedListener() { 73 @Override 74 public void onAnnounceValueChanged(NumberPicker picker, int value, 75 String displayedValue) { 76 final String announceString = Utils.getNumberFormattedQuantityString( 77 mContext, R.plurals.snooze_duration, value); 78 picker.announceForAccessibility(announceString); 79 } 80 }); 81 } 82 83 @Override onSetInitialValue(boolean restorePersistedValue, Object defaultValue)84 protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue) { 85 String val; 86 if (restorePersistedValue) { 87 val = getPersistedString(DEFAULT_SNOOZE_TIME); 88 if (val != null) { 89 mSnoozeMinutes = Integer.parseInt(val); 90 } 91 } else { 92 val = (String) defaultValue; 93 if (val != null) { 94 mSnoozeMinutes = Integer.parseInt(val); 95 } 96 persistString(val); 97 } 98 } 99 100 @Override onGetDefaultValue(TypedArray a, int index)101 protected Object onGetDefaultValue(TypedArray a, int index) { 102 return a.getString(index); 103 } 104 105 @Override onRestoreInstanceState(Parcelable state)106 protected void onRestoreInstanceState(Parcelable state) { 107 // Restore the value to the NumberPicker. 108 super.onRestoreInstanceState(state); 109 110 // Update the unit display in response to the new value. 111 updateUnits(); 112 } 113 updateUnits()114 private void updateUnits() { 115 if (mNumberPickerView != null) { 116 final Resources res = mContext.getResources(); 117 final int value = mNumberPickerView.getValue(); 118 final CharSequence units = res.getQuantityText(R.plurals.snooze_picker_label, value); 119 mNumberPickerMinutesView.setText(units); 120 } 121 } 122 123 @Override onDialogClosed(boolean positiveResult)124 protected void onDialogClosed(boolean positiveResult) { 125 if (positiveResult) { 126 mNumberPickerView.clearFocus(); 127 mSnoozeMinutes = mNumberPickerView.getValue(); 128 persistString(Integer.toString(mSnoozeMinutes)); 129 setSummary(); 130 } 131 } 132 setSummary()133 public void setSummary() { 134 setSummary(Utils.getNumberFormattedQuantityString(mContext, R.plurals.snooze_duration, 135 mSnoozeMinutes)); 136 } 137 }