怎麽自定义Android标题栏修改TitleBar的布局

2025-03-15 18:28:02
推荐回答(1个)
回答1:

  Android程序默认的Activity标题栏只能显示一段文字,而且不能改变它的布局、颜色、标题栏的高度等。如果想要在标题栏加上个图标、button、输入框、进度条、修改标题栏颜色等,只能使用自定义的标题栏。自定义标题栏可以通过在onCreate函数中添加以下代码来实现,需要注意的是代码的顺序必须按照下面的样式,否则将无效。
  requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
  setContentView(R.layout.mainactivity); //Activity的布局
  getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE,R.layout.titlebar); //标题栏的布局
  虽然上面这样可以在标题栏加入一些控件,但是仍然不能改变标题栏的高度、背景色,要想达到这个目的,只能使用theme(主题)。因此往project里先添加一个style。改变背景色修改android:windowTitleBackgroundStyle的值,改变标题栏高度则修改android:windowTitleSize的值。下面是一个示例:

  
  
  
  
  

  接着再修改AndroidManifest.xml文件,找到要自定义标题栏的Activity,添加上android:theme值,比如:

  Java代码

  
  

android:theme值就是上面那个style.xml文件里定义的一个style的name值。

按照以上的步骤,修改标题栏布局、高度、背景色的功能就实现了。

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