Bundleでのデータ保持について FragmentonSaveInstanceState AABArrayList ABSerializable Parcelable encountered IOException writing serializable object @Override protected void onSaveInstanceState(@NonNull Bundle outState){ outState.putSerializable("TEST", new TestA()); super.onSaveInstanceState(outState); } class TestA implements Serializable{ private ArrayList<TestB> mTestB; public TestA(){ ArrayList<TestB> testB = new ArrayList<>(); testB.add(new TestB()); mTestB = testB; } } class TestB implements Serializable{ public TestB(){} }

`TestA`, `TestB`Fragment ****

JavastaticC++C#Java

`java.io.Serializable`static


* Android SDKParcelableSerializable - Intent -