The latest articles on DEV Community by ささお (@jumpjumpjumpju1). https://dev.to/jumpjumpjumpju1 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F42263%2F3d842cfb-38a6-4ea6-a988-557e86f290bd.jpg https://dev.to/jumpjumpjumpju1 en ささお Thu, 16 Nov 2017 05:45:01 +0000 https://dev.to/jumpjumpjumpju1/uitextfieldplaceholder-97o https://dev.to/jumpjumpjumpju1/uitextfieldplaceholder-97o <h2> placeholderの色を変更するには一工夫必要 </h2> <div class="highlight js-code-highlight"> <pre class="highlight swift"><code><span class="k">let</span> <span class="nv">textField</span> <span class="o">=</span> <span class="kt">UITextField</span><span class="p">()</span> <span class="n">textField</span><span class="o">.</span><span class="n">placeholder</span> <span class="o">=</span> <span class="s">"名前を入力してください。"</span> <span class="n">textField</span><span class="o">.</span><span class="n">placeholderColor</span> <span class="o">=</span> <span class="kt">UIColor</span><span class="o">.</span><span class="n">red</span> </code></pre> </div> <p>だいたいこんな感じかなぁと思っていたけど、<br> 全然違った！！</p> <p>正しくは、こちら！<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight swift"><code><span class="k">let</span> <span class="nv">textField</span> <span class="o">=</span> <span class="kt">UITextField</span><span class="p">()</span> <span class="n">textField</span><span class="o">.</span><span class="n">attributedPlaceholder</span> <span class="o">=</span> <span class="kt">NSAttributedString</span><span class="p">(</span><span class="nv">string</span><span class="p">:</span> <span class="s">"名前を入力してください。"</span><span class="p">,</span> <span class="nv">attributes</span><span class="p">:</span> <span class="p">[</span><span class="kt">NSAttributedStringKey</span><span class="o">.</span><span class="nv">foregroundColor</span> <span class="p">:</span> <span class="kt">UIColor</span><span class="o">.</span><span class="n">red</span><span class="p">])</span> </code></pre> </div> <p>UITextFieldのattributedPlaceholderプロパティに、プレイスホルダーにしたい文字列にattributesを付与するNSAttributedStringを作成して、代入する必要があった。</p> swift ios