public class AutoViewPager extends ViewPager {
 private int mScreenHeight;
 public AutoViewPager(Context context) {
  this(context,null);
 }
 public AutoViewPager(Context context, AttributeSet attrs) {
  super(context, attrs);
  mScreenHeight = DensityUtil.getHeight(getContext());
 }
 @Override
 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
  heightMeasureSpec = MeasureSpec.makeMeasureSpec(mScreenHeight, MeasureSpec.EXACTLY);
  super.onMeasure(widthMeasureSpec, heightMeasureSpec);
 }
}

public static int getHeight(Context context) {
  DisplayMetrics dm = new DisplayMetrics();
  WindowManager mWm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
  mWm.getDefaultDisplay().getMetrics(dm);
  int screenHeight = dm.heightPixels;
  return screenHeight;
}

<?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:id="@+id/rl_root"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical">
 <RelativeLayout
  android:layout_width="match_parent"
  android:layout_height="wrap_content">
  <com.goldenalpha.stock.master.views.AutoViewPager
   android:id="@+id/login_bg_banner"
   android:layout_width="match_parent"
   android:layout_height="match_parent"/>
  <LinearLayout
   android:id="@+id/ll_dot"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_centerHorizontal="true"
   android:layout_gravity="center_horizontal">
   <ImageView
    android:id="@+id/iv_dot_1"
    android:layout_width="7dp"
    android:layout_height="7dp"
    android:layout_marginRight="8dp"
    android:background="@drawable/banner_dot_shape_select"/>
   <ImageView
    android:id="@+id/iv_dot_2"
    android:layout_width="7dp"
    android:layout_height="7dp"
    android:layout_marginRight="8dp"
    android:background="@drawable/bander_dot_shape_noselect"/>
   <ImageView
    android:id="@+id/iv_dot_3"
    android:layout_width="7dp"
    android:layout_height="7dp"
    android:background="@drawable/bander_dot_shape_noselect"/>
  </LinearLayout>
 </RelativeLayout>
 <RelativeLayout
  android:id="@+id/activity_login"
  android:layout_width="match_parent"
  android:layout_height="270dp"
  android:layout_alignParentBottom="true"
  android:paddingBottom="@dimen/login_margin_bottom"
  android:layout_marginLeft="10dp"
  android:layout_marginRight="10dp"
  android:background="@drawable/login_shape"
  android:orientation="vertical">
  <LinearLayout
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:orientation="vertical">
   <RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content">
    <RelativeLayout
     android:id="@+id/rl_phone_name"
     android:layout_width="match_parent"
     android:layout_height="wrap_content">
     <TextView
      android:id="@+id/tv_area_code"
      style="@style/Text.normal"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_centerVertical="true"
      android:layout_marginLeft="@dimen/login_tv_margin_left"
      android:padding="5dp"
      android:text="+86">
      <requestFocus/>
     </TextView>
     <View
      android:layout_width="0.3dp"
      android:layout_height="10dp"
      android:layout_centerHorizontal="true"
      android:layout_centerVertical="true"
      android:layout_marginLeft="@dimen/login_line_margin"
      android:layout_toRightOf="@id/tv_area_code"
      android:background="@color/gray"/>
     <EditText
      android:id="@+id/et_phone_num"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:layout_marginLeft="@dimen/login_et_margin_left"
      android:background="@null"
      android:hint="请输入您的手机号码"
      android:inputType="phone"
      android:maxLength="11"
      android:maxLines="1"
      android:paddingBottom="20dp"
      android:paddingTop="20dp"
      android:textColor="@color/black"
      android:textColorHint="@color/gray"
      android:textCursorDrawable="@null"
      android:textSize="@dimen/font_normal">
      <requestFocus/>
     </EditText>
    </RelativeLayout>
    <View
     android:id="@+id/line_phone_num"
     android:layout_width="match_parent"
     android:layout_height="0.5dp"
     android:layout_below="@+id/rl_phone_name"
     android:layout_centerHorizontal="true"
     android:layout_marginLeft="@dimen/login_line_margin"
     android:layout_marginRight="@dimen/login_line_margin"
     android:background="@color/gray"/>
    <RelativeLayout
     android:id="@+id/rl_check_num"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_alignLeft="@+id/line_phone_num"
     android:layout_alignRight="@+id/line_phone_num"
     android:layout_below="@+id/line_phone_num">
     <EditText
      android:id="@+id/et_check_num"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:layout_centerInParent="true"
      android:layout_toLeftOf="@+id/btn_get_check"
      android:background="@null"
      android:hint="请输入验证码"
      android:inputType="number"
      android:maxLength="4"
      android:maxLines="1"
      android:paddingBottom="20dp"
      android:paddingLeft="120dp"
      android:paddingTop="20dp"
      android:textColor="@color/black"
      android:textColorHint="@color/gray"
      android:textCursorDrawable="@null"
      android:textSize="@dimen/font_normal"/>
     <com.goldenalpha.stock.master.views.CountDownButton
      android:id="@+id/btn_get_check"
      android:layout_width="@dimen/login_btn_check_width"
      android:layout_height="@dimen/login_btn_check_height"
      android:layout_alignParentRight="true"
      android:layout_centerVertical="true"
      android:layout_marginBottom="@dimen/login_btn_check_margin_bottom"
      android:layout_marginTop="@dimen/login_btn_check_margin_top"
      android:gravity="center"
      android:text="获取验证码"
      android:textColor="@color/gray"
      android:textSize="@dimen/font_normal"
      app:defaultBackgroundResource="@drawable/btn_check_gray_shape"/>
    </RelativeLayout>
    <View
     android:id="@+id/line_check_num"
     android:layout_width="match_parent"
     android:layout_height="0.5dp"
     android:layout_below="@+id/rl_check_num"
     android:layout_centerHorizontal="true"
     android:layout_marginLeft="25.3dp"
     android:layout_marginRight="25.3dp"
     android:background="@color/driver_color"/>
   </RelativeLayout>
   <com.goldenalpha.stock.master.views.LoadingButton
    android:id="@+id/btn_phone_login"
    android:layout_width="@dimen/login_btn_phone_width"
    android:layout_height="@dimen/login_btn_phone_height"
    android:layout_gravity="center_horizontal"
    android:layout_marginTop="23dp"/>
   <FrameLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginTop="23dp">
    <ImageView
     android:id="@+id/tv_wx_login"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:layout_gravity="center"
     android:src="@drawable/wx_login_selector"/>
   </FrameLayout>
  </LinearLayout>
 </RelativeLayout>
</RelativeLayout>

<activity
  android:name=".activities.LoginActivity"
  android:launchMode="singleTask"
  android:screenOrientation="portrait"
  android:theme="@style/AppTheme"
  android:windowSoftInputMode="stateHidden|adjustResize">
 </activity>