Android Open Source - demo-app-android Parcel Utils

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License

The source code is released under:

MIT License

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Java Source Code

package io.rong.imkit.demo;
//  w w  w.ja  v a  2s  .c  om
import android.os.Parcel;
import android.os.Parcelable;

import java.util.List;


public class ParcelUtils {

    final static int EXIST_SEPARATOR = 1;
    final static int NON_SEPARATOR = 0;

  public static void writeToParcel(Parcel out, String str) {
    if (str != null) {
      out.writeInt(EXIST_SEPARATOR);
      out.writeString(str);
    } else {
      out.writeInt(NON_SEPARATOR);
    }
  }

  public static String readStringFromParcel(Parcel in) {
    int flag = in.readInt();
    if (flag == EXIST_SEPARATOR) {
      return in.readString();
    } else {
      return null;
    }
  }

  public static <T extends Parcelable> T readFromParcel(Parcel in, Class<T> cls) {
    int flag = in.readInt();
    if (flag == EXIST_SEPARATOR) {
      return in.readParcelable(cls.getClassLoader());
    } else {
      return null;
    }
  }

  public static <T extends Parcelable> void writeToParcel(Parcel out, T model) {
    if (model != null) {
      out.writeInt(EXIST_SEPARATOR);
      out.writeParcelable(model, 0);
    } else {
      out.writeInt(NON_SEPARATOR);
    }
  }

  @SuppressWarnings("unchecked")
  public static <T extends Parcelable> List<T> readListFromParcel(Parcel in, Class<T> cls) {
    int flag = in.readInt();
    if (flag == EXIST_SEPARATOR) {
      return in.readArrayList(cls.getClassLoader());
    } else {
      return null;
    }
  }

  @SuppressWarnings("unchecked")
  public static <T extends Parcelable> void writeListToParcel(Parcel out, List<T> collection) {
    if (collection != null) {
      out.writeInt(EXIST_SEPARATOR);
      out.writeParcelableArray((T[]) collection.toArray(), 0);
    } else {
      out.writeInt(NON_SEPARATOR);
    }
  }

}

Java Source Code List