انتقال داده بین اکتیویتی ها با کمک Android Parcelable

//Inside first activity Intent intent = new Intent(MainActivity.this, DetailActivity.class); intent.putExtra("name", "John Smith"); intent.putExtra("age", 26); //inside second activity Intent intent = getIntent(); String suburb = intent.getStringExtra("name"); Integer age = intent.getIntExtra("age");

public class Property implements { //property basics private int streetNumber; private String streetName; private String suburb; private String state; private String description; private String image; private Double price; private int bedrooms; private int bathrooms; private int carspots; private Boolean featured; //main constructor public Property(int streetNumber, String streetName, String suburb, String state, String description, Double price, String image, int bedrooms, int bathrooms, int carspots, Boolean featured){ this.streetNumber = streetNumber; this.streetName = streetName; this.suburb = suburb; this.state = state; this.description = description; this.price = price; this.image = image; this.bedrooms = bedrooms; this.bathrooms = bathrooms; this.carspots = carspots; this.featured = featured; } //getters public int getStreetNumber() { return streetNumber; } public String getStreetName() {return streetName; } public String getSuburb() {return suburb; } public String getState() {return state; } public String getDescription() {return description; } public Double getPrice() {return price; } public String getImage() { return image; } public int getBedrooms(){ return bedrooms; } public int getBathrooms(){ return bathrooms; } public int getCarspots(){ return carspots; } public Boolean getFeatured(){return featured; } }

public class Property implements Parcelable { ... }

//write object values to parcel for storage public void writeToParcel(Parcel dest, int flags){ //write all properties to the parcle } //constructor used for parcel public Property(Parcel parcel){ //read and set saved values from parcel } //creator - used when un-parceling our parcle (creating the object) public static final Parcelable.Creator<Property> CREATOR = new Parcelable.Creator<Property>(){ @Override public Property createFromParcel(Parcel parcel) { return new Property(parcel); } @Override public Property[] newArray(int size) { return new Property[0]; } }; //return hashcode of object public int describeContents() { return hashCode(); }

//write object values to parcel for storage public void writeToParcel(Parcel dest, int flags){ dest.writeString(streetName); dest.writeString(suburb); dest.writeString(state); dest.writeString(description); dest.writeString(image); dest.writeInt(streetNumber); dest.writeValue(featured); dest.writeDouble(price); dest.writeInt(bedrooms); dest.writeInt(bathrooms); dest.writeInt(carspots); }

//constructor used for parcel public Property(Parcel parcel){ streetName = parcel.readString(); suburb = parcel.readString(); state = parcel.readString(); description = parcel.readString(); image = parcel.readString(); streetNumber = parcel.readInt(); featured = (Boolean) parcel.readValue(null); price = parcel.readDouble(); bedrooms = parcel.readInt(); bathrooms = parcel.readInt(); carspots = parcel.readInt(); }

//used when un-parceling our parcel (creating the object) public static final Parcelable.Creator<Property> CREATOR = new Parcelable.Creator<Property>(){ @Override public Property createFromParcel(Parcel parcel) { return new Property(parcel); } @Override public Property[] newArray(int size) { return new Property[0]; } };

//return hashcode of object public int describeContents() { return hashCode(); }

Intent intent = new Intent(MainActivity.this, DetailActivity.class); intent.putExtra("Property", property); startActivity(intent);

//collect our intent Intent intent = getIntent(); Property property = intent.getParcelableExtra("Property"); //now collect all property values String streetName = property.getStreetName(); Integer streetNumber = property.getStreetNumber(); String suburb = property.getSuburb(); String state = property.getState(); String description = property.getDescription(); Double price = property.getPrice(); Integer bedrooms = property.getBedrooms(); Integer bathrooms = property.getBathrooms(); Integer carspots = property.getCarspots(); String image = property.getImage(); Integer imageID = this.getResources().getIdentifier(image, "drawable", this.getPackageName()); String address = streetNumber + " " + streetName + ", " + suburb + ", " + state;

String streetName = intent.getStringExtra("streetName");