Created
February 15, 2015 12:20
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Utility class for parceling objects in Android
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import android.os.Parcel; | |
import android.os.Parcelable; | |
import java.util.ArrayList; | |
import java.util.Arrays; | |
import java.util.List; | |
/** | |
* Utility class for parceling objects | |
*/ | |
public class ParcelUtils { | |
private ParcelUtils() { | |
} | |
public static void writeBooleanToParcel(Parcel dest, boolean value) { | |
dest.writeByte((byte) (value ? 1 : 0)); // value == true, byte == 1 | |
} | |
public static boolean readBooleanFromParcel(Parcel in) { | |
return in.readByte() != 0; // value == true if byte != 0 | |
} | |
public static <T extends Parcelable> List<T> readParcelableArrayAsInmutableList(Parcel in, Class<T> clazz) { | |
Parcelable[] parcels = in.readParcelableArray(clazz.getClassLoader()); | |
return ParcelUtils.readParcelableArrayAsInmutableList(parcels, clazz); | |
} | |
public static <T extends Parcelable> List<T> readParcelableArrayAsList(Parcel in, Class<T> clazz) { | |
Parcelable[] parcels = in.readParcelableArray(clazz.getClassLoader()); | |
return ParcelUtils.readParcelableArrayAsList(parcels, clazz); | |
} | |
@SuppressWarnings("unchecked") | |
private static <T extends Parcelable> List<T> readParcelableArrayAsInmutableList(Parcelable[] parcels, Class<T> clazz) { | |
List<T> list = null; | |
if (parcels != null && parcels.length > 0) { | |
list = (List<T>) Arrays.asList(parcels); | |
} | |
return list; | |
} | |
@SuppressWarnings("unchecked") | |
private static <T extends Parcelable> List<T> readParcelableArrayAsList(Parcelable[] parcels, Class<T> clazz) { | |
List<T> list = null; | |
if (parcels != null && parcels.length > 0) { | |
list = new ArrayList<T>(parcels.length); | |
for (int i = 0; i < parcels.length; i++) { | |
list.add((T) parcels[i]); | |
} | |
} | |
return list; | |
} | |
} |
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