ios7 修改导航栏的颜色_background-position: initial-优快云博客

本文介绍如何在iOS应用中统一设置状态栏的颜色为白色，并确保该设置适用于所有的视图控制器。通过在plist文件中禁用UIViewControllerBasedStatusBarAppearance并利用app delegate中的方法实现。

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you're looking for UIViewControllerBasedStatusBarAppearance, you'll need to click the little plus sign that appear when you hover over the root element in your plist file.

plist file

Once you do that, a new row will appear - select "View controller-based status bar appearance" from the dropdown list and set NO as its value. (That friendly name is declared internally as UIViewControllerBasedStatusBarAppearance)

Next, calling the following method in your app delegate should set the status bar color to white for all view controllers:

<code style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; white-space: inherit;"><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent; background-position: initial initial; background-repeat: initial initial;"></span></code><pre class="lang-c prettyprint prettyprinted" name="code" style="white-space: pre-wrap; word-wrap: normal; margin-top: 0px; margin-bottom: 10px; padding: 5px; border: 0px; vertical-align: baseline; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; overflow: auto; width: auto; max-height: 600px; line-height: 17.8048000335693px; background-color: rgb(238, 238, 238);"><code style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; white-space: inherit;"><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent; background-position: initial initial; background-repeat: initial initial;">[[</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent; background-position: initial initial; background-repeat: initial initial;">UIApplication</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent; background-position: initial initial; background-repeat: initial initial;"> sharedApplication</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent; background-position: initial initial; background-repeat: initial initial;">]</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent; background-position: initial initial; background-repeat: initial initial;"> setStatusBarStyle</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent; background-position: initial initial; background-repeat: initial initial;">:</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; color: rgb(43, 145, 175); background-color: transparent; background-position: initial initial; background-repeat: initial initial;">UIStatusBarStyleLightContent</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; background-color: transparent; background-position: initial initial; background-repeat: initial initial;">];</span></code>