Intent 傳遞複雜對象

點擊打開鏈接

import java.util.ArrayList;
import java.util.List;

import android.os.Parcel;
import android.os.Parcelable;

public class Reasons implements Parcelable {
        private List<List<String>> exchangeReasons;
        private List<String> exchangeReasonGroupsName;
        private int size;
       
        public Reasons(){
                // do init
                exchangeReasonGroupsName = new ArrayList<String>();
                exchangeReasons = new ArrayList<List<String>>();
        }
       
        private Reasons(Parcel in){
                exchangeReasonGroupsName = new ArrayList<String>();
                exchangeReasons = new ArrayList<List<String>>();
                readFromParcel(in);
        }
       
        public void setExchangeReasons(List<List<String>> exchangeReasons) {
                this.exchangeReasons = exchangeReasons;
                size = exchangeReasons.size();
        }
        public List<List<String>> getExchangeReasons() {
                return exchangeReasons;
        }
       
        public void setExchangeReasonGroupsName(List<String> exchangeReasonGroupsName) {
                this.exchangeReasonGroupsName = exchangeReasonGroupsName;
        }
        public List<String> getExchangeReasonGroupsName() {
                return exchangeReasonGroupsName;
        }
       
       
        public static final Parcelable.Creator<Reasons> CREATOR = new Creator<Reasons>() {  
        public Reasons createFromParcel(Parcel source) {  
                return new Reasons(source);
        }  
        public Reasons[] newArray(int size) {  
            return new Reasons[size];  
        }  
    };  

       
        /* (non-Javadoc)
         * @see android.os.Parcelable#describeContents()
         */
        @Override
        public int describeContents() {
                // TODO Auto-generated method stub
                return 0;
        }
        /* (non-Javadoc)
         * @see android.os.Parcelable#writeToParcel(android.os.Parcel, int)
         */
        @Override
        public void writeToParcel(Parcel dest, int flags) {
                // TODO Auto-generated method stub
                dest.writeStringList(exchangeReasonGroupsName);
                dest.writeInt(size);
                for(int i=0;i<size;i++){
                        dest.writeStringList(exchangeReasons.get(i));
                }
        }
       
        private void readFromParcel(Parcel in){
                exchangeReasons = new ArrayList<List<String>>();
                in.readStringList(exchangeReasonGroupsName);
                size = in.readInt();
                for(int i=0;i<size;i++){
                        List<String> tmp = new ArrayList<String>();
                        in.readStringList(tmp);
                        exchangeReasons.add(tmp);
                }
        }
}

getIntent().getParcelableExtra()  獲取傳遞的對象