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android标题栏(titlebar)显示进度条

2024-07-05 02:29:23   219人阅读

在后台线程中执行各种操作（网络连接、大数据存储）的时候，我们希望让客户能看到后台有操作在进行，那么既能有效的提示用户，又不占用当前操作空间，最好的方法就是在标题栏有个进度条。

[代码] [Java]代码
 
 
protected void onCreate(Bundle savedInstanceState) {
 
    super.onCreate(savedInstanceState);
 
    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);//先给Activity注册界面进度条功能
 
    setContentView(R.layout.main);
 
    setProgressBarIndeterminateVisibility(true);//在需要显示进度条的时候调用这个方法
 
    setProgressBarIndeterminateVisibility(false);//在不需要显示进度条的时候调用这个方法
 
}
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