先编写一个简易的登录界面
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="match_parent"
android:layout_width="match_parent"
android:orientation="vertical">
<EditText
android:id="@+id/username"
android:hint="请输入用户名"
android:drawableLeft="@drawable/baseline_person_24"
android:drawablePadding="10dp"
android:paddingLeft="20dp"
android:background="@color/white"
android:inputType="number"
android:layout_width="200dp"
android:layout_height="100dp"
android:textColorHint="#95a1aa"
/>
<EditText
android:id="@+id/password"
android:hint="请输入密码"
android:drawablePadding="10dp"
android:paddingLeft="20dp"
android:background="@color/white"
android:inputType="numberPassword"
android:layout_width="200dp"
android:layout_height="100dp"
android:textColorHint="#95a1aa"
/>
<Button
android:id="@+id/btn"
android:text="登录"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</LinearLayout>
![](/i/l/?n=23&i=blog/2913820/202303/2913820-20230307213208915-865607916.png)
标签:layout,登录,id,width,界面,Android,height,android From: https://www.cnblogs.com/lxh-666/p/17189774.html