com.alexvasilkov.android.commons.state

Class InstanceStateManager<T>

java.lang.Object

com.alexvasilkov.android.commons.state.InstanceStateManager<T>

public class InstanceStateManager<T>
extends java.lang.Object

Helps saving and restoring Activity or Fragment instance state.
Only local fields marked with InstanceState annotation will be saved.
Supported fields types: boolean, boolean[], byte, byte[], char, char[], CharSequence, CharSequence[], double, double[], float, float[], int, int[], long, long[], short, short[], String, String[], Bundle and all objects implementing Serializable.
See also saveInstanceState(Object, android.os.Bundle) and restoreInstanceState(Object, android.os.Bundle) methods.

Method Summary

Modifier and Type	Method and Description
static <T> void	restoreInstanceState(T obj, android.os.Bundle savedState) Restoring instance state from given savedState into the given obj.
static <T> android.os.Bundle	saveInstanceState(T obj, android.os.Bundle outState) Saving instance state of the given obj into outState. Supposed to be called from Activity.onSaveInstanceState(android.os.Bundle) or Fragment.onSaveInstanceState(android.os.Bundle). Activity or Fragment itself can be used as obj parameter.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

saveInstanceState

public static <T> android.os.Bundle saveInstanceState(T obj,
                                                      android.os.Bundle outState)

Saving instance state of the given obj into outState.
Supposed to be called from Activity.onSaveInstanceState(android.os.Bundle) or Fragment.onSaveInstanceState(android.os.Bundle).
Activity or Fragment itself can be used as obj parameter.

restoreInstanceState

public static <T> void restoreInstanceState(T obj,
                                            android.os.Bundle savedState)

Restoring instance state from given savedState into the given obj.
Supposed to be called from Activity.onCreate(android.os.Bundle) or Fragment.onCreate(android.os.Bundle) before starting using local fields marked with InstanceState annotation.