• 安卓第四次作业


    1.
    <?xml version="1.0" encoding="utf-8"?> <RelativeLayout 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" tools:context=".MainActivity"> <Button android:id="@+id/a1" android:layout_width="100dp" android:layout_height="100dp" android:layout_centerInParent="true" android:background="#FF7F24" /> <Button android:id="@+id/a2" android:layout_width="100dp" android:layout_height="100dp" android:layout_above="@id/a1" android:layout_alignRight="@+id/a1" android:background="#BF3EFF" /> <Button android:id="@+id/a3" android:layout_width="100dp" android:layout_height="100dp" android:layout_below="@id/a1" android:layout_alignRight="@+id/a1" android:background="#B8860B" /> <Button android:id="@+id/a4" android:layout_width="100dp" android:layout_height="100dp" android:layout_above="@id/a1" android:layout_toLeftOf="@+id/a1" android:background="#969696" /> <Button android:id="@+id/a5" android:layout_width="100dp" android:layout_height="100dp" android:layout_above="@id/a1" android:layout_toRightOf="@+id/a1" android:background="#7CFC00" /> <Button android:id="@+id/a6" android:layout_width="100dp" android:layout_height="100dp" android:layout_below="@id/a1" android:layout_toLeftOf="@+id/a1" android:background="#303030" /> <Button android:id="@+id/a7" android:layout_width="100dp" android:layout_height="100dp" android:layout_below="@id/a1" android:layout_toRightOf="@+id/a1" android:background="#0000FF" /> <Button android:id="@+id/a8" android:layout_width="100dp" android:layout_height="100dp" android:layout_toLeftOf="@id/a1" android:layout_alignBottom="@+id/a1" android:background="#A0522D" /> <Button android:id="@+id/a9" android:layout_width="100dp" android:layout_height="100dp" android:layout_toRightOf="@id/a1" android:layout_alignBottom="@+id/a1" android:background="#CD00CD" /> </RelativeLayout>

     2.

    <?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:orientation="horizontal"
        android:layout_height="match_parent">
    
        <ImageView
            android:id="@+id/photo"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:src="@drawable/ic_launcher_background"
            android:layout_centerHorizontal="true"
            android:layout_marginTop="200dp"
            android:layout_marginBottom="30dp"></ImageView>
        <TextView
            android:id="@+id/textView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@id/photo"
            android:maxLength="15"
            android:layout_marginTop="13dp"
            android:text="账号:"/>
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/photo"
            android:layout_toRightOf="@id/textView1"
            android:hint="请输入您的账号"></EditText>
        <TextView
            android:id="@+id/textView2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@id/textView1"
            android:maxLength="20"
            android:layout_marginTop="25dp"
            android:text="密码:" />
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_below="@id/textView1"
            android:layout_toRightOf="@id/textView2"
            android:layout_marginTop="10dp"
            android:hint="请输入您的密码"/>
        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/button"
            android:text="登录"
            android:textColor="#478595"
            android:layout_below="@id/textView2"
            android:layout_marginTop="20dp"
            android:layout_marginLeft="120dp"
            android:onClick="click"
            android:layout_centerHorizontal="true">
        </Button>
    
    
    </RelativeLayout>

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  • 原文地址:https://www.cnblogs.com/FALEDA/p/13708712.html
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