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  • 第四次安卓作业。

    <?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <Button
            android:id="@+id/button1"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="#673AB7"
            android:layout_centerInParent="true"
            android:text=""
            />
        <Button
            android:id="@+id/button2"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="#8BC34A"
            android:layout_toLeftOf="@id/button1"
            android:layout_centerInParent="true"
            android:text=""
            />
        <Button
            android:id="@+id/button3"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="#8BC34A"
            android:layout_toRightOf="@id/button1"
            android:layout_centerInParent="true"
            android:text=""
            />
        <Button
            android:id="@+id/button4"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="#2196F3"
            android:layout_above="@id/button1"
            android:layout_centerInParent="true"
            android:text=""
            />
        <Button
            android:id="@+id/button5"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="#9C27B0"
            android:layout_toLeftOf="@+id/button4"
            android:layout_above="@id/button2"
            android:layout_centerInParent="true"
            android:text=""
            />
        <Button
            android:id="@+id/button6"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="#9C27B0"
            android:layout_toRightOf="@+id/button4"
            android:layout_above="@id/button3"
            android:layout_centerInParent="true"
            android:text=""
            />
        <Button
            android:id="@+id/button7"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="#2196F3"
            android:layout_below="@id/button1"
            android:layout_centerInParent="true"
            android:text=""
            />
        <Button
            android:id="@+id/button8"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="#9C27B0"
            android:layout_below="@id/button2"
            android:layout_toLeftOf="@id/button7"
            android:layout_centerInParent="true"
            android:text=""
            />
        <Button
            android:id="@+id/button9"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:background="#9C27B0"
            android:layout_toRightOf="@+id/button4"
            android:layout_below="@id/button3"
            android:layout_centerInParent="true"
            android:text=""
            />




    </RelativeLayout>

    <?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"
        android:orientation="vertical" android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#3424"
        >

        <ImageView
            android:id="@+id/img1"
            android:layout_width="90dp"
            android:layout_height="90dp"
            android:layout_centerHorizontal="true"
            android:layout_marginTop="60dp"
            app:srcCompat="@mipmap/ic_launcher_round"></ImageView>
        <TextView
            android:id="@+id/tv1"
            android:layout_width="90dp"
            android:layout_height="50dp"
            android:layout_marginTop="60dp"
            android:layout_below="@id/img1"
            android:layout_toLeftOf="@id/et1"
            android:text="用户名:"
            android:textSize="20dp"
            ></TextView>
        <EditText
            android:id="@+id/et1"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_marginTop="60dp"
            android:layout_centerHorizontal="true"
            android:layout_below="@id/img1"
            android:background="@android:drawable/edit_text"
            ></EditText>
        <TextView
            android:id="@+id/tv2"
            android:layout_width="90dp"
            android:layout_height="50dp"
            android:layout_marginTop="60dp"
            android:layout_below="@id/tv1"
            android:layout_toLeftOf="@id/et1"
            android:text="密码:"
            android:textSize="20dp"
            ></TextView>
        <EditText
            android:id="@+id/et2"
            android:layout_width="150dp"
            android:layout_height="50dp"
            android:layout_marginTop="60dp"
            android:layout_centerHorizontal="true"
            android:layout_below="@id/et1"
            android:background="@android:drawable/edit_text"
            ></EditText>
        <Button
            android:id="@+id/button1"
            android:layout_width="100dp"
            android:layout_height="50dp"
            android:layout_centerHorizontal="true"
            android:layout_below="@id/et2"
            android:text="登录"
            android:textSize="20dp"
            android:layout_marginTop="50dp"
            ></Button>

    </RelativeLayout>

     
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  • 原文地址:https://www.cnblogs.com/Mfb-/p/14044431.html
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