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        如何将整数标签设置为 xml 布局文件中的小部件?

        时间:2023-09-10
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                1. 本文介绍了如何将整数标签设置为 xml 布局文件中的小部件?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我有简单的布局,但我只能设置字符串标签.如何设置整数标签?

                  I have simple layout, but I can only set string tag. How to set integer tag?

                  <ImageView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:tag="1"
                    android:src="@drawable/image" />
                  

                  <小时>

                  更新

                  我发现了如何在 xml 布局中设置 Integer 标签.我们需要在任何 xml 资源文件中指定一个整数变量.应该是这样的:

                  I found out how to set Integer tags in xml layout. We need to specify an integer variable in any xml resource file. That should look like that:

                  res/values/value.xml:

                  res/values/value.xml:

                  <?xml version="1.0" encoding="UTF-8"?>
                  <resources>
                  <integer name="int1">15</integer>
                  <integer name="int2">1</integer>
                  </resources>
                  

                  现在我们可以自由地使用@integer/int1"或@integer/int2"作为我们 xml 小部件的标签,例如:

                  And now we are free to use "@integer/int1" or "@integer/int2" as tags for our xml widgets, for example:

                  <ImageView
                  android:layout_width="wrap_content"
                  android:layout_height="wrap_content"
                  android:tag="@integer/int2"
                  android:src="@drawable/image" />
                  

                  但是,就我而言,我更喜欢以编程方式设置标签:)

                  However, in my case I preferred to set tag programmatically :)

                  推荐答案

                  在xml中只能设置String.但是在代码中你可以使用 View.setTag(int value); 因为它需要 Object.要读取一个值,您需要将其转换为 Integer int value = (Integer)view.getTag();

                  In xml you can only set String. But in code you can use View.setTag(int value); because it takes Object. To read a value you need to cast it to Integer int value = (Integer)view.getTag();

                  这篇关于如何将整数标签设置为 xml 布局文件中的小部件?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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