我在我的Android应用程序中使用水平进度条,我想改变它的进度颜色(默认为黄色)。我如何使用代码(而不是XML)做到这一点?


当前回答

我是如何在水平ProgressBar中做到的:

    LayerDrawable layerDrawable = (LayerDrawable) progressBar.getProgressDrawable();
    Drawable progressDrawable = layerDrawable.findDrawableByLayerId(android.R.id.progress);
    progressDrawable.setColorFilter(color, PorterDuff.Mode.SRC_IN);

其他回答

android:progressTint="#ffffff" 

简单的使用方法:

DrawableCompat.setTint(progressBar.getIndeterminateDrawable(),yourColor)

在修改默认进度条的外观时遇到了同样的问题。这里有一些更多的信息,希望能帮助到人们:)

The name of the xml file must only contain characters: a-z0-9_. (ie. no capitals!) To reference your "drawable" it is R.drawable.filename To override the default look, you use myProgressBar.setProgressDrawable(...), however you need can't just refer to your custom layout as R.drawable.filename, you need to retrieve it as a Drawable:Resources res = getResources(); myProgressBar.setProgressDrawable(res.getDrawable(R.drawable.filename); You need to set style before setting progress/secondary progress/max (setting it afterwards for me resulted in an 'empty' progress bar)

如果有人想通过编程改变颜色:

progressBar.progressTintList = ColorStateList.valueOf(Color.RED)

适用于SDK 21及以上版本

android:indeterminateTint="@color/orange"

对我来说是很简单的。