1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* Copyright (C) 2007 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 android.app;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
import android.widget.TimePicker.ValidationCallback;
import com.android.internal.R;
/**
* A dialog that prompts the user for the time of day using a
* {@link TimePicker}.
*
* <p>
* See the <a href="{@docRoot}guide/topics/ui/controls/pickers.html">Pickers</a>
* guide.
*/
public class TimePickerDialog extends AlertDialog implements OnClickListener,
OnTimeChangedListener {
private static final String HOUR = "hour";
private static final String MINUTE = "minute";
private static final String IS_24_HOUR = "is24hour";
private final TimePicker mTimePicker;
private final OnTimeSetListener mTimeSetListener;
private final int mInitialHourOfDay;
private final int mInitialMinute;
private final boolean mIs24HourView;
/**
* The callback interface used to indicate the user is done filling in
* the time (e.g. they clicked on the 'OK' button).
*/
public interface OnTimeSetListener {
/**
* Called when the user is done setting a new time and the dialog has
* closed.
*
* @param view the view associated with this listener
* @param hourOfDay the hour that was set
* @param minute the minute that was set
*/
public void onTimeSet(TimePicker view, int hourOfDay, int minute);
}
/**
* Creates a new time picker dialog.
*
* @param context the parent context
* @param listener the listener to call when the time is set
* @param hourOfDay the initial hour
* @param minute the initial minute
* @param is24HourView whether this is a 24 hour view or AM/PM
*/
public TimePickerDialog(Context context, OnTimeSetListener listener, int hourOfDay, int minute,
boolean is24HourView) {
this(context, 0, listener, hourOfDay, minute, is24HourView);
}
static int resolveDialogTheme(Context context, int resId) {
if (resId == 0) {
final TypedValue outValue = new TypedValue();
context.getTheme().resolveAttribute(R.attr.timePickerDialogTheme, outValue, true);
return outValue.resourceId;
} else {
return resId;
}
}
/**
* Creates a new time picker dialog with the specified theme.
*
* @param context the parent context
* @param themeResId the resource ID of the theme to apply to this dialog
* @param listener the listener to call when the time is set
* @param hourOfDay the initial hour
* @param minute the initial minute
* @param is24HourView Whether this is a 24 hour view, or AM/PM.
*/
public TimePickerDialog(Context context, int themeResId, OnTimeSetListener listener,
int hourOfDay, int minute, boolean is24HourView) {
super(context, resolveDialogTheme(context, themeResId));
mTimeSetListener = listener;
mInitialHourOfDay = hourOfDay;
mInitialMinute = minute;
mIs24HourView = is24HourView;
final Context themeContext = getContext();
final TypedValue outValue = new TypedValue();
context.getTheme().resolveAttribute(R.attr.timePickerDialogTheme, outValue, true);
final int layoutResId = outValue.resourceId;
final LayoutInflater inflater = LayoutInflater.from(themeContext);
final View view = inflater.inflate(R.layout.time_picker_dialog, null);
setView(view);
setButton(BUTTON_POSITIVE, themeContext.getString(R.string.ok), this);
setButton(BUTTON_NEGATIVE, themeContext.getString(R.string.cancel), this);
setButtonPanelLayoutHint(LAYOUT_HINT_SIDE);
mTimePicker = (TimePicker) view.findViewById(R.id.timePicker);
mTimePicker.setIs24HourView(mIs24HourView);
mTimePicker.setCurrentHour(mInitialHourOfDay);
mTimePicker.setCurrentMinute(mInitialMinute);
mTimePicker.setOnTimeChangedListener(this);
mTimePicker.setValidationCallback(mValidationCallback);
}
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
/* do nothing */
}
@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case BUTTON_POSITIVE:
if (mTimeSetListener != null) {
mTimeSetListener.onTimeSet(mTimePicker, mTimePicker.getCurrentHour(),
mTimePicker.getCurrentMinute());
}
break;
case BUTTON_NEGATIVE:
cancel();
break;
}
}
/**
* Sets the current time.
*
* @param hourOfDay The current hour within the day.
* @param minuteOfHour The current minute within the hour.
*/
public void updateTime(int hourOfDay, int minuteOfHour) {
mTimePicker.setCurrentHour(hourOfDay);
mTimePicker.setCurrentMinute(minuteOfHour);
}
@Override
public Bundle onSaveInstanceState() {
final Bundle state = super.onSaveInstanceState();
state.putInt(HOUR, mTimePicker.getCurrentHour());
state.putInt(MINUTE, mTimePicker.getCurrentMinute());
state.putBoolean(IS_24_HOUR, mTimePicker.is24HourView());
return state;
}
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
final int hour = savedInstanceState.getInt(HOUR);
final int minute = savedInstanceState.getInt(MINUTE);
mTimePicker.setIs24HourView(savedInstanceState.getBoolean(IS_24_HOUR));
mTimePicker.setCurrentHour(hour);
mTimePicker.setCurrentMinute(minute);
}
private final ValidationCallback mValidationCallback = new ValidationCallback() {
@Override
public void onValidationChanged(boolean valid) {
final Button positive = getButton(BUTTON_POSITIVE);
if (positive != null) {
positive.setEnabled(valid);
}
}
};
}
|
