android----登陸界面

<img src="https://img-blog.csdn.net/20160404192803914?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />一：
    activity_main.xml:

<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:background="@drawable/welcome_bg"
    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" >
   <include  
       android:id="@+id/include1"
       layout="@layout/login_top"/>
    
   <ImageView 
       android:id="@+id/imageView1"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:background="@drawable/monkey"
       android:layout_alignParentBottom="true"
       android:layout_alignRight="@+id/include1"
       android:layout_marginBottom="20dp"       
       > 
    </ImageView>
     <TextView
         android:id="@+id/tvForgetPass"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignRight="@+id/include1"
         android:layout_below="@+id/include1"
         android:layout_marginTop="24dp"
         android:text="@string/tvForgetPass"
         android:textAppearance="?android:attr/textAppearanceMedium"
          />  

</RelativeLayout>

二：
login_top.xml:
<?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="wrap_content"
    android:background="@drawable/logintopbg"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin" 
   
    >

    <EditText
        android:id="@+id/etName"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="10dp"
        android:background="@android:drawable/edit_text"
        android:drawableLeft="@drawable/icons_user_img"
        android:ems="10"
        android:hint="@string/etname" >

        <requestFocus />
    </EditText>

    <EditText
        android:id="@+id/etPassword"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/etName"
        android:layout_below="@+id/etName"
        android:layout_marginTop="20dp"
        android:background="@android:drawable/edit_text"
        android:drawableLeft="@drawable/icons_password_img"
        android:drawablePadding="10dp"
        android:ems="10"
        android:hint="@string/etPassword"
        android:inputType="textPassword" />

    <LinearLayout
        android:id="@+id/linearLayout1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/etPassword"
        android:layout_below="@+id/etPassword"
        android:layout_marginTop="10dp" >
    

    <Button
        android:id="@+id/btnLogin"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
       android:background="@drawable/btn_select"
        android:text="@string/btnLogin" />

    <Button
        android:id="@+id/btnRegiste"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:layout_marginLeft="5dp"
        android:background="@drawable/btn_select"
        android:text="@string/btnRegiste" />
   
    </LinearLayout>
</RelativeLayout>

三：
btn_select.xml:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
    <!-- 
    按鈕點選和不點選的效果
    屬性:
    android:state_pressed:
    false:未按下
    true:按下
 -->
<item android:drawable="@drawable/btn_shape" android:state_pressed="false"></item>
<item android:drawable="@drawable/btn_shape_after" android:state_pressed="true"></item>
</selector>
四：
btn_shape_after.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
    <!-- solid:填充色 corners:邊角的弧度 -->
    <solid android:color="#87cefa"/>
    <corners android:radius="10dp"/>

</shape>
五：
btn_shape.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
    <solid android:color="#FF72CAE1"/>
    <corners android:radius="10dp"/>

</shape>
六：
login.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
    <solid android:color="#55FFFFFF"/>
    <corners android:radius="10dp"/>

</shape>
七：
logintopbg.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
    <solid android:color="#55ffffff"/>
    <corners android:radius="10dp"/>

</shape>