Android Parcelable -- RetailerOrderActivity.java return null
<p>I have to pass one activity to another activity:</p>

<p>I have SalesProduct enetity class: </p>

<pre><code> public class Product implements Parcelable{

    private double availableQuantity;
    private double price;
    private String productCode; 
    private String description; 
    private String description2;
    private String productGroup;
    private String alternateSearch;
    private String productTypeCode; 
    private String nonStockItemFlag;
    private String salableFlag;
    private double weight;
    private double qty;
    private double grossValue;
    private double value;
    private ArrayList&lt;Product&gt; product;


    public Product() {

    }
    public Product(Parcel in) {
         this();
          readFromParcel(in);
    }

       /*
       * Constructor calls read to create object
       */
       private void readFromParcel(Parcel in) {
          in.readTypedList(product, Product.CREATOR); /* NULLPOINTER HERE */
       }

       public int describeContents() {
            return 0;
        }

        public void writeToParcel(Parcel dest, int flags) {
              dest.writeList(product);
        }

        public static final Parcelable.Creator&lt;Product&gt; CREATOR = new Parcelable.Creator&lt;Product&gt;() { 
            public Product createFromParcel(Parcel in) { 
                Product prod = new Product();
                Bundle b = in.readBundle(Product.class.getClassLoader());        
                prod.product = b.getParcelableArrayList("enteredProduct");

            return prod;
            }

        public Product[] newArray(int size) {
            return new Product[size];
        }
    };

    /**
     * @param product
     */
    public Product(ArrayList&lt;Product&gt; product) {
        this.product = product;
    }

    /**
     * @param availableQuantity
     * @param price
     * @param productCode
     * @param description
     * @param nonStockItemFlag
     * @param kitProductFlag
     * @param qty
     * @param grossValue
     * @param value
     */
    public Product(double availableQuantity, double price, String productCode,
            String description, String nonStockItemFlag, 
            double qty,  double value) {
        super();
        this.availableQuantity = availableQuantity;
        this.price = price;
        this.productCode = productCode;
        this.description = description;
        this.nonStockItemFlag = nonStockItemFlag;

        this.qty = qty;
        this.value = value;
    }

    public ArrayList&lt;Product&gt; getProduct() {
        return product;
    }

    public void setProduct(ArrayList&lt;Product&gt; product) {
        this.product = product;
    }

    public double getValue() {
        return value;
    }

    public void setValue(double value) {
        this.value = value;
    }

    public double getGrossValue() {
        return grossValue;
    }
    public void setGrossValue(double grossValue) {
        this.grossValue = grossValue;
    }
    public double getQty() {
        return qty;
    }
    public void setQty(double qty) {
        this.qty = qty;
    }
    public double getPrice() {
        return price;
    }
    public void setPrice(double price) {
        this.price = price;
    }
    public double getAvailableQuantity() {
        return availableQuantity;
    }
    public void setAvailableQuantity(double availableQuantity) {
        this.availableQuantity = availableQuantity;
    }
    public String getProductCode() {
        return productCode;
    }
    public void setProductCode(String productCode) {
        this.productCode = productCode;
    }
    public String getDescription() {
        return description;
    }
    public void setDescription(String description) {
        this.description = description;
    }
    public String getDescription2() {
        return description2;
    }
    public void setDescription2(String description2) {
        this.description2 = description2;
    }
    public String getProductGroup() {
        return productGroup;
    }
    public void setProductGroup(String productGroup) {
        this.productGroup = productGroup;
    }
    public String getAlternateSearch() {
        return alternateSearch;
    }
    public void setAlternateSearch(String alternateSearch) {
        this.alternateSearch = alternateSearch;
    }
    public String getProductTypeCode() {
        return productTypeCode;
    }
    public void setProductTypeCode(String productTypeCode) {
        this.productTypeCode = productTypeCode;
    }

    public String getNonStockItemFlag() {
        return nonStockItemFlag;
    }
    public void setNonStockItemFlag(String nonStockItemFlag) {
        this.nonStockItemFlag = nonStockItemFlag;
    }

    public String getSalableFlag() {
        return salableFlag;
    }
    public void setSalableFlag(String salableFlag) {
        this.salableFlag = salableFlag;
    }

    public double getWeight() {
        return weight;
    }
    public void setWeight(double weight) {
        this.weight = weight;
    }
  }
</code></pre>

<p>And caller Activity :</p>

<pre><code>  if(productMap.size() &gt;0){
         ArrayList&lt;Product&gt; enteredProductList = new ArrayList&lt;Product&gt;(productMap.values());
         Bundle b = new Bundle();
         Product pr =new Product(enteredProductList);
         b.putParcelableArrayList("enteredProduct", enteredProductList);
         Intent showContent = new Intent(getApplicationContext(),RetailerOrderIActivity.class);
         showContent.putExtras(b); //Insert the Bundle object in the Intent' Extras
         startActivity(showContent);
     }else{
         Toast.makeText(RetailerOrderActivity.this," You don't have invoice records" ,Toast.LENGTH_SHORT).show();
     }
</code></pre>

<p>and receive part : </p>

<pre><code>  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.order_main);
    Bundle b = this.getIntent().getExtras();

    ArrayList&lt;Product&gt; p = b.getParcelableArrayList("enteredProduct");
    System.out.println("-- RetailerOrderIActivity --" + p.size());
    for (Product s : p) {
        System.out.println(" --Qty-" + s.getQty());
        System.out.println(" --price -" + s.getPrice());
        System.out.println(" --code -" + s.getProductCode());
    }
</code></pre>

<p>This is my error part :</p>

<pre><code>     09-13 16:22:43.236: ERROR/AndroidRuntime(343): FATAL EXCEPTION: main
09-13 16:22:43.236: ERROR/AndroidRuntime(343): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.xont.controller/com.xont.controller.sales.RetailerOrderIActivity}: java.lang.NullPointerException
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.app.ActivityThread.access$1500(ActivityThread.java:117)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Handler.dispatchMessage(Handler.java:99)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Looper.loop(Looper.java:123)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.app.ActivityThread.main(ActivityThread.java:3683)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at java.lang.reflect.Method.invokeNative(Native Method)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at java.lang.reflect.Method.invoke(Method.java:507)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at dalvik.system.NativeStart.main(Native Method)
09-13 16:22:43.236: ERROR/AndroidRuntime(343): Caused by: java.lang.NullPointerException
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at com.xont.entity.Product$1.createFromParcel(Product.java:94)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at com.xont.entity.Product$1.createFromParcel(Product.java:1)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Parcel.readParcelable(Parcel.java:1981)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Parcel.readValue(Parcel.java:1846)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Parcel.readListInternal(Parcel.java:2092)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Parcel.readArrayList(Parcel.java:1536)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Parcel.readValue(Parcel.java:1867)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Parcel.readMapInternal(Parcel.java:2083)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Bundle.unparcel(Bundle.java:208)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.os.Bundle.getParcelableArrayList(Bundle.java:1144)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at com.xont.controller.sales.RetailerOrderIActivity.onCreate(RetailerOrderIActivity.java:18)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
09-13 16:22:43.236: ERROR/AndroidRuntime(343):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
</code></pre>

<p>Please help me..its return null ... where is wrong ?please advice me on this?</p>

<p>Thanks in advance</p>
