1 package com.android.deskclock; 2 3 import android.app.AlertDialog; 4 import android.content.Context; 5 import android.content.res.Resources; 6 import android.content.res.TypedArray; 7 import android.preference.DialogPreference; 8 import android.util.AttributeSet; 9 import android.view.View; 10 import android.widget.NumberPicker; 11 import android.widget.TextView; 12 13 /** 14 * A dialog preference that shows a number picker for selecting snooze length 15 */ 16 public class SnoozeLengthDialog extends DialogPreference { 17 private NumberPicker mNumberPickerView; 18 private TextView mNumberPickerMinutesView; 19 private final Context mContext; 20 private int mSnoozeMinutes; 21 22 private static final String DEFAULT_SNOOZE_TIME = "10"; 23 24 SnoozeLengthDialog(Context context, AttributeSet attrs)25 public SnoozeLengthDialog(Context context, AttributeSet attrs) { 26 super(context, attrs); 27 mContext = context; 28 setDialogLayoutResource(R.layout.snooze_length_picker); 29 setTitle(R.string.snooze_duration_title); 30 } 31 32 @Override onPrepareDialogBuilder(AlertDialog.Builder builder)33 protected void onPrepareDialogBuilder(AlertDialog.Builder builder) { 34 super.onPrepareDialogBuilder(builder); 35 builder.setTitle(getContext().getString(R.string.snooze_duration_title)) 36 .setCancelable(true); 37 } 38 39 @Override onBindDialogView(View view)40 protected void onBindDialogView(View view) { 41 super.onBindDialogView(view); 42 mNumberPickerMinutesView = (TextView) view.findViewById(R.id.title); 43 mNumberPickerView = (NumberPicker) view.findViewById(R.id.minutes_picker); 44 mNumberPickerView.setMinValue(1); 45 mNumberPickerView.setMaxValue(30); 46 mNumberPickerView.setValue(mSnoozeMinutes); 47 updateDays(); 48 mNumberPickerView.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() { 49 @Override 50 public void onValueChange(NumberPicker picker, int oldVal, int newVal) { 51 updateDays(); 52 } 53 }); 54 } 55 56 @Override onSetInitialValue(boolean restorePersistedValue, Object defaultValue)57 protected void onSetInitialValue (boolean restorePersistedValue, Object defaultValue) { 58 String val; 59 if (restorePersistedValue) { 60 val = getPersistedString(DEFAULT_SNOOZE_TIME); 61 if (val != null) { 62 mSnoozeMinutes = Integer.parseInt(val); 63 } 64 } else { 65 val = (String) defaultValue; 66 if (val != null) { 67 mSnoozeMinutes = Integer.parseInt(val); 68 } 69 persistString(val); 70 } 71 } 72 73 @Override onGetDefaultValue(TypedArray a, int index)74 protected Object onGetDefaultValue(TypedArray a, int index) { 75 return a.getString(index); 76 } 77 updateDays()78 private void updateDays() { 79 mNumberPickerMinutesView.setText(String.format(mContext.getResources() 80 .getQuantityText(R.plurals.snooze_picker_label, mNumberPickerView.getValue()) 81 .toString())); 82 } 83 @Override onDialogClosed(boolean positiveResult)84 protected void onDialogClosed(boolean positiveResult) { 85 if (positiveResult) { 86 mNumberPickerView.clearFocus(); 87 mSnoozeMinutes = mNumberPickerView.getValue(); 88 persistString(Integer.toString(mSnoozeMinutes)); 89 setSummary(); 90 } 91 } 92 setSummary()93 public void setSummary() { 94 setSummary(String.format(mContext.getResources() 95 .getQuantityText(R.plurals.snooze_duration, mSnoozeMinutes).toString(), 96 mSnoozeMinutes)); 97 } 98 getCurrentValue()99 public int getCurrentValue() { 100 return mSnoozeMinutes; 101 } 102 } 103 104 105 106