Method1(low efficiency)
use Serializable
implement Serializable the class that you want to sent
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| class Car implements Serializable{}
intent.putExtra("car",car);
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Get back the Object from intent
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| Car c2= (Car) intent.getSerializableExtra("car");
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Method2
use Parcelable
if i want to send a car object
First, implement Parcelable to car ,and override some method
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| class Car implements Parcelable{
public Car() {
}
protected Car(Parcel in) {
//what the code here to create the Car from a Parcel
}
public static final Creator<Car> CREATOR = new Creator<Car>() {
@Override
public Car createFromParcel(Parcel in) {
return new Car(in);
}
@Override
public Car[] newArray(int size) {
return new Car[size];
}
};
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString("information");
dest.writeInt(1);
}
}
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Put into the intent
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| intent.putExtra("key",new Car());
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Get back the object
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| intent.getParcelableExtra("key");
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