回答編集履歴
1
修正
test
CHANGED
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@@ -63,3 +63,83 @@
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63
63
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64
64
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65
65
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```
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66
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67
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68
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69
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メソッドの中で他のメソッドを呼ぶには、呼び出す前にメソッドを定義していないとだめなので、先頭で定義して呼び出し時に`self`を付けないと以下のように使用できます。
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70
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71
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72
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73
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```swift
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74
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75
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func jumpTourl(urlString: String){
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76
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77
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78
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79
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func showAlert(message: String){
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80
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81
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// >= ios8
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82
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83
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let alertController = UIAlertController(title: "Error", message: message, preferredStyle: .Alert)
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84
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85
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let defaultAction = UIAlertAction(title: "OK", style: .Default, handler: nil)
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86
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87
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alertController.addAction(defaultAction)
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88
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89
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self.presentViewController(alertController, animated: true, completion: nil)
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90
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91
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}
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92
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93
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94
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95
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96
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97
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if let url = NSURL(string: urlString){
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98
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99
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let urlRequest = NSURLRequest(URL: url)
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100
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101
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self.webView.loadRequest(urlRequest)
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102
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103
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} else {
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104
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105
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showAlert("Invalid URL")
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106
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107
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}
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108
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109
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110
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111
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112
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113
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var urlString = self.textField.text
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114
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115
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urlString = urlString!.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceCharacterSet())
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116
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117
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if urlString == "" {
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118
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119
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// alert
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120
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121
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showAlert("Please enter URL")
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122
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123
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} else {
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124
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125
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// jumpTourl
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126
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127
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self.jumpTourl(urlString!)
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128
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129
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self.setupButtonsEnabled()
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130
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131
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}
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132
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133
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self.textField.resignFirstResponder()
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134
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135
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return true
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136
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137
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}
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138
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139
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140
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141
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```
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142
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143
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144
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145
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