Tag: android architecture components

屏幕旋转后恢复可流动转换为实时数据

说我有这样的活动： public class TestActivity extends AppCompatActivity { @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); final TextView countdown = new TextView(this); setContentView(countdown); ViewModelProviders.of(this) .get(TestViewModel.class) .getCountdown() .observe(this, countdown::setText); } } 视图模型是： class TestViewModel extends ViewModel { private final LiveData countdown = LiveDataReactiveStreams.fromPublisher( Flowable.concat( Flowable.just(“Falcon Heavy rocket will launch in…”), Flowable.intervalRange(0, 10, 3, 1, TimeUnit.SECONDS) .map(x -> […]