ViewUtils

java.lang.Object
- io.flutter.util.ViewUtils

public final class ViewUtils
extends Object

Constructor Summary

Constructors
Constructor Description

ViewUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`childHasFocus(View root)`	Determines if the current view or any descendant view has focus.
`static int`	`generateViewId(int fallbackId)`	Generates a view id.
`static Activity`	`getActivity(Context context)`	Retrieves the `Activity` from a given `Context`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ViewUtils
```
public ViewUtils()
```
- Method Detail
  - getActivity
```
@Nullable
public static Activity getActivity(@Nullable
                                   Context context)
```
    Retrieves the Activity from a given Context.
    This method will recursively traverse up the context chain if it is a ContextWrapper until it finds the first instance of the base context that is an Activity.
  - generateViewId
```
public static int generateViewId(int fallbackId)
```
    Generates a view id.
    In API level 17 and above, this ID is unique. Below 17, the fallback id is used instead.
    
    Parameters:
    
    fallbackId - the fallback id.
    
    Returns:
    
    the view id.
  - childHasFocus
```
public static boolean childHasFocus(@Nullable
                                    View root)
```
    Determines if the current view or any descendant view has focus.
    
    Parameters:
    
    root - The root view.
    
    Returns:
    
    True if the current view or any descendant view has focus.