Android布局管理器-使用LinearLayout实现简单的登录窗口布局

ゝ一纸荒年。 2023-10-08 11:31 18阅读 0赞

## 场景 ##

Android布局管理器-从实例入手学习相对布局管理器的使用：

[https://blog.csdn.net/BADAO\_LIUMANG\_QIZHI/article/details/103838924][https_blog.csdn.net_BADAO_LIUMANG_QIZHI_article_details_103838924]

线性布局LinearLayout,分为水平和垂直线性布局。

实现效果如下

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70][]

注：

博客：  
[https://blog.csdn.net/badao\_liumang\_qizhi][https_blog.csdn.net_badao_liumang_qizhi]  
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## 实现 ##

将activity修改为LinearLayout布局

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 1][]

并且通过

android:orientation="vertical"

设置其为竖直线型布局。

然后添加两个输入框分别为用户名和密码

通过

android:hint="请输入账户"

设置输入框提示文本

通过

android:drawableLeft="@drawable/account"

设置输入框左边的图片

这里的图片是放在res下的drawable目录下

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 2][]

然后添加一个按钮，设置其颜色。

完整示例代码

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        tools:context=".LinearLayoutActivity">
    
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingBottom="20dp"
            android:hint="请输入账户"
            android:drawableLeft="@drawable/account"
            />
    
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingBottom="20dp"
            android:hint="请输入密码"
            android:drawableLeft="@drawable/pass"
            />
        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="登录"
            android:textColor="#FFFFFF"
            android:background="#FF009688"
            />
    
    </LinearLayout>

[https_blog.csdn.net_BADAO_LIUMANG_QIZHI_article_details_103838924]: https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/103838924
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20200104233120383.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk=,size_16,color_FFFFFF,t_70
[https_blog.csdn.net_badao_liumang_qizhi]: https://blog.csdn.net/badao_liumang_qizhi
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20200104233127305.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk=,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20200104233151980.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk=,size_16,color_FFFFFF,t_70