private void loadViewForPullToZoomScrollView(PullToZoomScrollViewEx scrollView) {
  View headView = LayoutInflater.from(this).inflate(R.layout.head_view, null);
  View zoomView = LayoutInflater.from(this).inflate(R.layout.head_zoom_view, null);
  View contentView = LayoutInflater.from(this).inflate(R.layout.content_view, null);
  scrollView.setHeaderView(headView);
  scrollView.setZoomView(zoomView);
  scrollView.setScrollContentView(contentView);
 } 

setParallax(true);
setHideHeader(false);
setZoomEnabled(true);

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  xmlns:custom="http://schemas.android.com/apk/res-auto"
  android:layout_width="match_parent"
  android:layout_height="match_parent" >
  <com.ecloud.pulltozoomview.PullToZoomScrollViewEx
   android:id="@+id/scroll_view"
   android:layout_width="match_parent"
   android:layout_height="match_parent" />
 </RelativeLayout> 

 package com.zzw.testpullzoomview_scrollview;
 import com.ecloud.pulltozoomview.PullToZoomScrollViewEx;
 import android.app.Activity;
 import android.os.Bundle;
 import android.util.DisplayMetrics;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.LinearLayout;
 public class MainActivity extends Activity {
  @Override
  protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_main);
   // 注意初始化顺序，不要弄乱，否则抛出运行时空指针
   PullToZoomScrollViewEx scrollView = (PullToZoomScrollViewEx) findViewById(R.id.scroll_view);
   loadViewForPullToZoomScrollView(scrollView);
   scrollView.getPullRootView().findViewById(R.id.tv_test).setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
     Log.d("PullToZoomScrollViewEx", "onClick");
    }
   });
   scrollView.getPullRootView().findViewById(R.id.tv_test).setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
     Log.e("PullToZoomScrollViewEx", "onClick");
    }
   });
   scrollView.getPullRootView().findViewById(R.id.tv_test).setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
     Log.d("PullToZoomScrollViewEx", "onClick");
    }
   });
   setPullToZoomViewLayoutParams(scrollView);
  }
  private void loadViewForPullToZoomScrollView(PullToZoomScrollViewEx scrollView) {
   View headView = LayoutInflater.from(this).inflate(R.layout.head_view, null);
   View zoomView = LayoutInflater.from(this).inflate(R.layout.head_zoom_view, null);
   View contentView = LayoutInflater.from(this).inflate(R.layout.content_view, null);
   scrollView.setHeaderView(headView);
   scrollView.setZoomView(zoomView);
   scrollView.setScrollContentView(contentView);
  }
  // 设置头部的View的宽高。
  private void setPullToZoomViewLayoutParams(PullToZoomScrollViewEx scrollView) {
   DisplayMetrics localDisplayMetrics = new DisplayMetrics();
   getWindowManager().getDefaultDisplay().getMetrics(localDisplayMetrics);
   int mScreenHeight = localDisplayMetrics.heightPixels;
   int mScreenWidth = localDisplayMetrics.widthPixels;
   LinearLayout.LayoutParams localObject = new LinearLayout.LayoutParams(mScreenWidth,
     (int) (.F * (mScreenWidth / .F)));
   scrollView.setHeaderLayoutParams(localObject);
  }
 } 

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/layout_view"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:layout_gravity="bottom"
  android:gravity="bottom">
  <ImageView
   android:id="@+id/iv_user_head"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_centerInParent="true"
   android:src="@drawable/ic_launcher" />
  <TextView
   android:id="@+id/tv_user_name"
   android:textSize="sp"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_below="@id/iv_user_head"
   android:layout_centerHorizontal="true"
   android:text="新浪微博"
   android:textColor="#ffffff" />
  <LinearLayout
   android:id="@+id/ll_action_button"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:background="#"
   android:layout_alignParentBottom="true"
   android:padding="dip">
   <TextView
    android:id="@+id/tv_register"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="注册"
    android:layout_weight=""
    android:textSize="sp"
    android:gravity="center"
    android:layout_gravity="center"
    android:textColor="#ffffff" />
   <TextView
    android:id="@+id/tv_login"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="登录"
    android:layout_weight=""
    android:textSize="sp"
    android:gravity="center"
    android:layout_gravity="center"
    android:textColor="#ffffff" />
  </LinearLayout>
 </RelativeLayout> 

 <?xml version="." encoding="utf-"?>
 <ImageView xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/imageView"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:layout_gravity="center_horizontal"
  android:scaleType="centerCrop"
  android:src="@drawable/a" /> 

 <?xml version="." encoding="utf-"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:background="#ffffff"
  android:orientation="vertical" >
  <TextView
   android:id="@+id/tv_test"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
  <TextView
   android:id="@+id/tv_test"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
  <TextView
   android:id="@+id/tv_test"
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:background="#eeeeee" />
  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
  <TextView
   android:layout_width="match_parent"
   android:layout_height="wrap_content"
   android:gravity="center_vertical"
   android:padding="dp"
   android:text="test"
   android:textSize="sp" />
 </LinearLayout>