android Parcelable序列化数组String[]

package com.semisky.midLevel.aidl;import android.os.Parcel;import android.os.Parcelable;import android.util.Log;public class AutoIPCMessage implements Parcelable {private static final String TAG = "Service-->AutoIPCMessage";public static final String BROADCAST = "";public String mSrcPackageName;   //发起该消息的app包名public String mDstPackageName;   //接收该消息的app包名,如果为空,表示广播public int mAction;              //发起的动作意图public String[] mParam = null;   //实际参数public AutoIPCMessage(String srcPackageName,String dstPackageName,int action,String[] param) {mSrcPackageName = srcPackageName;mDstPackageName = dstPackageName;mAction = action;mParam = param;}@Overridepublic int describeContents() {// TODO Auto-generated method stubreturn 0;}@Overridepublic void writeToParcel(Parcel dest, int flags) {//这里是把对象的字段一个一个写到流里面，写的顺序要和下面读的顺序一摸一样Log.d(TAG,"writeToParcel " + this.toString());dest.writeString(mSrcPackageName);dest.writeString(mDstPackageName);dest.writeInt(mAction);//这几句话是写数组的,因为数组的长度不确定，所以先确定数组长度，如果为空就不写，但是要把0给发过去        //让下面的好判断能不能读数组，也就是说下面如果读到的长度是0，那么就不读数组了，否则就创建相同长度的数组去读if(mParam == null) {dest.writeInt(0);} else {dest.writeInt(mParam.length);dest.writeStringArray(mParam);}}/* * 反序列化,开始读对象的流顺序要和上面写的一样   */private AutoIPCMessage(Parcel source) {Log.d(TAG,"AutoIPCMessage read");mSrcPackageName = source.readString();mDstPackageName = source.readString();mAction = source.readInt();//开始读数组的长度int length = source.readInt();//如果数组长度大于0，那么就读数组， 所有数组的操作都可以这样。          if(length>0){          mParam = new String[length];              source.readStringArray(mParam);        }  }public static final Parcelable.Creator CREATOR = new Parcelable.Creator() {@Overridepublic AutoIPCMessage createFromParcel(Parcel source) {return new AutoIPCMessage(source);}@Overridepublic AutoIPCMessage[] newArray(int size) {return new AutoIPCMessage[size];}};}
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