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  • Android第二次作业

    1.九宫格

    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:paddingBottom="@dimen/activity_vertical_margin"
        android:paddingLeft="@dimen/activity_horizontal_margin"
        android:paddingRight="@dimen/activity_horizontal_margin"
        android:paddingTop="@dimen/activity_vertical_margin"
        tools:context=".MainActivity" >
    
        <Button
            android:id="@+id/button1"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_centerInParent="true"
            android:background="#9933ff"
            android:text="" />
    
        <Button
            android:id="@+id/Button01"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_alignBaseline="@+id/button1"
            android:layout_alignBottom="@+id/button1"
            android:layout_toLeftOf="@+id/button1"
            android:background="#66cc66" />
    
        <Button
            android:id="@+id/Button02"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_above="@+id/button1"
            android:layout_toLeftOf="@+id/button1"
            android:background="#ffff00" />
    
        <Button
            android:id="@+id/Button03"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_above="@+id/button1"
            android:layout_toRightOf="@+id/Button01"
            android:background="#ccff00" />
    
        <Button
            android:id="@+id/Button04"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_below="@+id/Button03"
            android:layout_toRightOf="@+id/button1"
            android:background="#9900ff" />
    
        <Button
            android:id="@+id/Button05"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_above="@+id/button1"
            android:layout_toRightOf="@+id/button1"
            android:background="#33ffff" />
    
        <Button
            android:id="@+id/Button06"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_alignLeft="@+id/Button01"
            android:layout_below="@+id/Button01"
            android:background="#3399ff" />
    
        <Button
            android:id="@+id/Button07"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_below="@+id/button1"
            android:layout_toRightOf="@+id/Button01"
            android:background="#99ff00" />
    
        <Button
            android:id="@+id/Button08"
            android:layout_width="80dp"
            android:layout_height="80dp"
            android:layout_alignBaseline="@+id/Button07"
            android:layout_alignBottom="@+id/Button07"
            android:layout_alignLeft="@+id/Button04"
            android:background="#9933cc" />
    
    </RelativeLayout>

    2.界面

    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:paddingBottom="@dimen/activity_vertical_margin"
        android:paddingLeft="@dimen/activity_horizontal_margin"
        android:paddingRight="@dimen/activity_horizontal_margin"
        android:paddingTop="@dimen/activity_vertical_margin"
        tools:context=".MainActivity" >
    
        <Button
            android:id="@+id/btn1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/btn2"
            android:layout_below="@+id/btn2"
            android:layout_marginTop="18dp"
            android:gravity="center"
            android:onClick="aaa"
            android:text="按钮1"
            android:textColor="#fff79e38"
            android:textSize="25sp"
            android:textStyle="italic" />
    
        <TextView
            android:id="@+id/TextView01"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignRight="@+id/tv1"
            android:layout_centerVertical="true"
            android:gravity="center"
            android:text="密码:"
            android:textColor="#fff79e38"
            android:textSize="25sp"
            android:textStyle="italic" />
    
        <TextView
            android:id="@+id/tv1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_above="@+id/TextView01"
            android:layout_alignParentLeft="true"
            android:layout_marginLeft="89dp"
            android:gravity="center"
            android:text="用户名:"
            android:textColor="#fff79e38"
            android:textSize="25sp"
            android:textStyle="italic" />
    
        <Button
            android:id="@+id/btn2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/tv1"
            android:layout_below="@+id/TextView01"
            android:layout_marginTop="22dp"
            android:gravity="center"
            android:onClick="bbb"
            android:text="按钮2"
            android:textColor="#fff79e38"
            android:textSize="25sp"
            android:textStyle="italic" />
    
        <ImageView
            android:id="@+id/imageView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_above="@+id/tv1"
            android:layout_centerHorizontal="true"
            android:src="@drawable/ic" />
    
    </RelativeLayout>

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  • 原文地址:https://www.cnblogs.com/qq-77/p/13699316.html
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