eclipse 如何从 Java 文件更改字体大小和字体颜色?

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时间:2020-09-19 16:53:12  来源:igfitidea点击:

How do change the font size and font color from a Java file?

javaandroideclipse

提问by sheraz amin

How can I change the font color, size and button color from a Java file in Eclipse, not from an XML file?

如何从 Eclipse 中的 Java 文件而不是 XML 文件更改字体颜色、大小和按钮颜色?

回答by Lavanya

For font size you can write it as

对于字体大小,您可以将其写为

tv.setTextSize(20.0f);

For font color you can write it as

对于字体颜色,您可以将其写为

tv.setTextColor(Color.BLUE);

For button background color you can write it as

对于按钮背景颜色,您可以将其写为

btn.setBackgroundColor(Color.CYAN);

回答by Onuray Sahin

button.setTextColor(Color.WHITE);
button.setBackgroundColor(Color.BLUE);

回答by Andrei Buneyeu

In the "Inherited XML Attributes" paragraph of the official documentationyou can see either XML attributes (that you can change from XML) or related methods (which you can use in your Java code).

官方文档的“ Inherited XML Attributes”段落中您可以看到 XML 属性(可以从 XML 更改)或相关方法(可以在 Java 代码中使用)。

回答by corecase

Others already posted answers on how to do it in Java, but I guess these could help you as well.

其他人已经发布了有关如何在 Java 中执行此操作的答案,但我想这些也可以帮助您。

How to do it in XML:

如何在 XML 中执行此操作: