Method Detail

• checkNotNull

  @NonNull() static <T> T checkNotNull(@Nullable() T val, @NonNull() String errorMessageTemplate, @Nullable() Array<Object> errorMessageArgs)

  Ensures that the provided value is not null, and throws a NullPointerException if itis null, with a message constructed from the provided error template and arguments.

• checkValidStyle

  @StyleRes() static int checkValidStyle(@NonNull() Context context, int styleId, @NonNull() String errorMessageTemplate, @Nullable() Array<Object> errorMessageArguments)

  Ensures that the provided identifier matches a known style resource, and throws an if the resource cannot be found, or is not a style resource, with amessage constructed from the provided error template and arguments.

• checkUnset

  @RestrictTo(value = RestrictTo.Scope.LIBRARY_GROUP) static void checkUnset(@NonNull() Bundle b, @Nullable() String message, @NonNull() Array<String> keys)

• checkConfigured

  @RestrictTo(value = RestrictTo.Scope.LIBRARY_GROUP) static void checkConfigured(@NonNull() Context context, @Nullable() String message, @StringRes() Array<int> ids)

• checkArgument

   static void checkArgument(boolean expression, String errorMessage)

  Ensures the truth of an expression involving parameters to the calling method.

  Parameters:

  expression - a boolean expression

  errorMessage - the exception message to use if the check fails