diff options
Diffstat (limited to 'android/arch/lifecycle/ViewModelProvider.java')
| -rw-r--r-- | android/arch/lifecycle/ViewModelProvider.java | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/android/arch/lifecycle/ViewModelProvider.java b/android/arch/lifecycle/ViewModelProvider.java index 7ef591f3..29cbab8e 100644 --- a/android/arch/lifecycle/ViewModelProvider.java +++ b/android/arch/lifecycle/ViewModelProvider.java @@ -43,7 +43,8 @@ public class ViewModelProvider { * @param <T> The type parameter for the ViewModel. * @return a newly created ViewModel */ - <T extends ViewModel> T create(Class<T> modelClass); + @NonNull + <T extends ViewModel> T create(@NonNull Class<T> modelClass); } private final Factory mFactory; @@ -70,7 +71,7 @@ public class ViewModelProvider { * @param factory factory a {@code Factory} which will be used to instantiate * new {@code ViewModels} */ - public ViewModelProvider(ViewModelStore store, Factory factory) { + public ViewModelProvider(@NonNull ViewModelStore store, @NonNull Factory factory) { mFactory = factory; this.mViewModelStore = store; } @@ -88,7 +89,8 @@ public class ViewModelProvider { * @param <T> The type parameter for the ViewModel. * @return A ViewModel that is an instance of the given type {@code T}. */ - public <T extends ViewModel> T get(Class<T> modelClass) { + @NonNull + public <T extends ViewModel> T get(@NonNull Class<T> modelClass) { String canonicalName = modelClass.getCanonicalName(); if (canonicalName == null) { throw new IllegalArgumentException("Local and anonymous classes can not be ViewModels"); @@ -136,8 +138,9 @@ public class ViewModelProvider { */ public static class NewInstanceFactory implements Factory { + @NonNull @Override - public <T extends ViewModel> T create(Class<T> modelClass) { + public <T extends ViewModel> T create(@NonNull Class<T> modelClass) { //noinspection TryWithIdenticalCatches try { return modelClass.newInstance(); |