progressbar在代码中如何设置成长条形状？

Question

style="?android:attr/progressBarStyleHorizontal"这个是在xml中配置的

Answer 1

看下apidemos，有好几种style的
style="?android:attr/progressBarStyleHorizontal"
style="?android:attr/progressBarStyleLarge"
style="?android:attr/progressBarStyleSmallTitle"

Answer 2

代码
重点在那两个字
不是xml

Answer 3

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private ProgressBar myProgressBar;
                                                                       
myProgressBar = (ProgressBar) findViewById(R.id.progressbar_updown); 
//定义 ProgressBar
                                                                 
                                                    
//ProgressBar 通过 ID 来从 XML 中获取
myProgressBar.incrementProgressBy(5);
//ProgressBar 进度值增加 5
myProgressBar.incrementProgressBy(-5);
//ProgressBar 进度值减少 5
myProgressBar.incrementSecondaryProgressBy(5);
//ProgressBar 背后的第二个进度条 进度值增加 5
myProgressBar.incrementSecondaryProgressBy(-5);
//ProgressBar 背后的第二个进度条 进度值减少 5