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トップXcodeに関する質問pickerの中身の秒数を選択するとカウントアップの間隔が変わるようにしたい

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2

コメントのもれ

2019/12/19 06:29

投稿

vanderlvov
vanderlvov

スコア685

test CHANGED
@@ -1,3 +1,7 @@
1
+ `didSelectRow`を追加する必要があります。
2
+
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+
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+
1
5
  ```swift
2
6
 
3
7
  func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int)

1

追加

2019/12/19 06:29

投稿

vanderlvov
vanderlvov

スコア685

test CHANGED
@@ -1,223 +1,229 @@
1
1
  ```swift
2
2
 
3
- func pickerView(pickerView: UIPickerView!, didSelectRow row: Int, inComponent component: Int)
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+ func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int)
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-
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+
5
- {
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+ {
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+
6
-
7
+ if component == 0 {
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+
9
+ timeCountLabel.text = String(format: "%.1f", list1[row])
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+
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+ interval = list1[row]
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+
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+ }
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+
15
+ }
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+
17
+ ```
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+
19
+
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+
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+ 全てのコードはこうなります；
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+
23
+ ```swift
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+
25
+ import UIKit
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+
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+
28
+
29
+ class TimerViewController: UIViewController,UIPickerViewDelegate, UIPickerViewDataSource {
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+
31
+
32
+
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+ @IBOutlet weak var timeCountLabel: UILabel!
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+
35
+ @IBOutlet weak var PickerView: UIPickerView!
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+
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+
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+
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+ var timer: Timer?
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+
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+ var interval = 0.0
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+
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+ var count: Int = 0
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+
45
+
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+
47
+ //カウントアップの間隔
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+
49
+ let list1:[Double] = [0.5,1.0,1.5,2.0,2.5,3.0,3.5,4.0,4.5,5.0,5.5,6.0,7.5,8.0,8.5,9.0,9.5,10.0]
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+
51
+ //カウントの上限
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+
53
+ let list2:[Int] = [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]
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+
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+
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+
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+ override func viewDidLoad() {
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+
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+ super.viewDidLoad()
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+
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+
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+
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+ PickerView.delegate = self
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+
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+ PickerView.dataSource = self
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+
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+
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+
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+ PickerView.selectRow(0, inComponent: 0, animated: false)
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+
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+ PickerView.selectRow(1, inComponent: 1, animated: false)
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+
73
+
74
+
75
+ // 表示を初期化
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+
77
+ clear()
78
+
79
+
80
+
81
+ }
82
+
83
+
84
+
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+ func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int)
86
+
87
+ {
88
+
89
+ print(component)
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+
91
+ if component == 0 {
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+
93
+ timeCountLabel.text = String(format: "%.1f", list1[row])
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+
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+ interval = list1[row]
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+
97
+ }
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+
99
+ }
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+
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+
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+
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+ // ドラムロールの列数
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+
105
+ func numberOfComponents(in pickerView: UIPickerView) -> Int {
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+
107
+ return 2
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+
109
+ }
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+
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+
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+
113
+ // ドラムロールの行数
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+
115
+ func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
116
+
117
+ switch component {
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+
119
+ case 0:
120
+
121
+ return list1.count
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+
123
+ case 1:
124
+
125
+ return list2.count
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+
127
+ default:
128
+
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+ return 0
130
+
131
+
132
+
133
+
134
+
135
+ }
136
+
137
+ }
138
+
139
+
140
+
141
+ func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
142
+
143
+
144
+
145
+ switch component {
146
+
147
+ case 0:
148
+
149
+ return String(format: "%.1f秒", list1[row])
150
+
151
+ case 1:
152
+
153
+ return String(format: "%.1f秒", Double(list2[row]))
154
+
155
+ default:
156
+
157
+ return "error"
158
+
159
+ }
160
+
161
+ }
162
+
163
+
164
+
165
+ @IBAction func start() {
166
+
167
+ // 起動中のタイマーを無効化
168
+
169
+ timer?.invalidate()
170
+
171
+
172
+
173
+ timer = Timer.scheduledTimer(withTimeInterval: self.interval, repeats: true) { (timer) in
174
+
175
+
176
+
7
- println("(courseCatalog[row])")
177
+ print("counter")
178
+
8
-
179
+ self.count = self.count + 1
180
+
181
+
182
+
183
+ DispatchQueue.main.async {
184
+
9
- yourlabelname.text=courseCatalog[row]
185
+ self.timeCountLabel.text = String(self.count)
186
+
10
-
187
+ }
188
+
11
-
189
+ if self.count == Int(self.list2[3]) {
190
+
191
+ timer.invalidate()
192
+
193
+ }
194
+
195
+ }
196
+
197
+
198
+
199
+ }
200
+
201
+
202
+
203
+ @IBAction func stop() {
204
+
205
+ // 起動中のタイマーを無効化(ただし、count変数の中身とラベルの表示はそのまま)
206
+
207
+ timer?.invalidate()
208
+
209
+ }
210
+
211
+
212
+
213
+ @IBAction func clear() {
214
+
215
+ // 起動中のタイマーを無効化し、count変数とラベルの表示を初期化
216
+
217
+ timer?.invalidate()
218
+
219
+ count = 0
220
+
221
+ self.timeCountLabel.text = String(self.count)
222
+
223
+ }
12
224
 
13
225
  }
14
226
 
227
+
228
+
15
229
  ```
16
-
17
-
18
-
19
- 全てのコードはこうなります；
20
-
21
- ```swift
22
-
23
- import UIKit
24
-
25
-
26
-
27
- class TimerViewController: UIViewController,UIPickerViewDelegate, UIPickerViewDataSource {
28
-
29
-
30
-
31
- @IBOutlet weak var timeCountLabel: UILabel!
32
-
33
- @IBOutlet weak var PickerView: UIPickerView!
34
-
35
-
36
-
37
- var timer: Timer?
38
-
39
-
40
-
41
- var count: Int = 0
42
-
43
-
44
-
45
- //カウントアップの間隔
46
-
47
- let list1:[Double] = [0.5,1.0,1.5,2.0,2.5,3.0,3.5,4.0,4.5,5.0,5.5,6.0,7.5,8.0,8.5,9.0,9.5,10.0]
48
-
49
- //カウントの上限
50
-
51
- let list2:[Int] = [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]
52
-
53
-
54
-
55
- override func viewDidLoad() {
56
-
57
- super.viewDidLoad()
58
-
59
-
60
-
61
- PickerView.delegate = self
62
-
63
- PickerView.dataSource = self
64
-
65
-
66
-
67
- PickerView.selectRow(0, inComponent: 0, animated: false)
68
-
69
- PickerView.selectRow(1, inComponent: 1, animated: false)
70
-
71
-
72
-
73
- // 表示を初期化
74
-
75
- clear()
76
-
77
-
78
-
79
- }
80
-
81
-
82
-
83
- func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int)
84
-
85
- {
86
-
87
- print(component)
88
-
89
- if component == 0 {
90
-
91
- timeCountLabel.text = String(format: "%.1f", list1[row])
92
-
93
- }
94
-
95
- }
96
-
97
-
98
-
99
- // ドラムロールの列数
100
-
101
- func numberOfComponents(in pickerView: UIPickerView) -> Int {
102
-
103
- return 2
104
-
105
- }
106
-
107
-
108
-
109
- // ドラムロールの行数
110
-
111
- func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
112
-
113
- switch component {
114
-
115
- case 0:
116
-
117
- return list1.count
118
-
119
- case 1:
120
-
121
- return list2.count
122
-
123
- default:
124
-
125
- return 0
126
-
127
-
128
-
129
-
130
-
131
- }
132
-
133
- }
134
-
135
-
136
-
137
- func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
138
-
139
-
140
-
141
- switch component {
142
-
143
- case 0:
144
-
145
- return String(format: "%.1f秒", list1[row])
146
-
147
- case 1:
148
-
149
- return String(format: "%.1f秒", Double(list2[row]))
150
-
151
- default:
152
-
153
- return "error"
154
-
155
- }
156
-
157
- }
158
-
159
-
160
-
161
- @IBAction func start() {
162
-
163
- // 起動中のタイマーを無効化
164
-
165
- timer?.invalidate()
166
-
167
-
168
-
169
- timer = Timer.scheduledTimer(withTimeInterval: 0.5, repeats: true) { (timer) in
170
-
171
-
172
-
173
- self.count = self.count + 1
174
-
175
-
176
-
177
- DispatchQueue.main.async {
178
-
179
- self.timeCountLabel.text = String(self.count)
180
-
181
- }
182
-
183
- if self.count == Int(self.list2[3]) {
184
-
185
- timer.invalidate()
186
-
187
- }
188
-
189
- }
190
-
191
-
192
-
193
- }
194
-
195
-
196
-
197
- @IBAction func stop() {
198
-
199
- // 起動中のタイマーを無効化(ただし、count変数の中身とラベルの表示はそのまま)
200
-
201
- timer?.invalidate()
202
-
203
- }
204
-
205
-
206
-
207
- @IBAction func clear() {
208
-
209
- // 起動中のタイマーを無効化し、count変数とラベルの表示を初期化
210
-
211
- timer?.invalidate()
212
-
213
- count = 0
214
-
215
- self.timeCountLabel.text = String(self.count)
216
-
217
- }
218
-
219
- }
220
-
221
-
222
-
223
- ```