Added in API level 1
Deprecated in API level 24

Summary: Methods | Inherited Methods

ViewAsserts

Kotlin |Java

public class ViewAsserts
extends Object

java.lang.Object
↳	android.test.ViewAsserts

This class was deprecated in API level 24.
Use Espresso View Matchers instead. New test should be written using the Android Testing Support Library. For more information about UI testing, take the Espresso UI testing training.

Some useful assertions about views.

Summary

Public methods
`static void`	`assertBaselineAligned(View first, View second)` Assert that two views are aligned on their baseline, that is that their baselines are on the same y location.
`static void`	`assertBottomAligned(View first, View second, int margin)` Assert that two views are bottom aligned, that is that their bottom edges are on the same y location, with respect to the specified margin.
`static void`	`assertBottomAligned(View first, View second)` Assert that two views are bottom aligned, that is that their bottom edges are on the same y location.
`static void`	`assertGroupContains(ViewGroup parent, View child)` Assert that the specified group contains a specific child once and only once.
`static void`	`assertGroupIntegrity(ViewGroup parent)` Assert the specified group's integrity.
`static void`	`assertGroupNotContains(ViewGroup parent, View child)` Assert that the specified group does not contain a specific child.
`static void`	`assertHasScreenCoordinates(View origin, View view, int x, int y)` Assert that a view has a particular x and y position on the visible screen.
`static void`	`assertHorizontalCenterAligned(View reference, View test)` Assert that the `test` view is horizontally center aligned with respect to the `reference` view.
`static void`	`assertLeftAligned(View first, View second)` Assert that two views are left aligned, that is that their left edges are on the same x location.
`static void`	`assertLeftAligned(View first, View second, int margin)` Assert that two views are left aligned, that is that their left edges are on the same x location, with respect to the specified margin.
`static void`	`assertOffScreenAbove(View origin, View view)` Assert that view is above the visible screen.
`static void`	`assertOffScreenBelow(View origin, View view)` Assert that view is below the visible screen.
`static void`	`assertOnScreen(View origin, View view)` Assert that view is on the screen.
`static void`	`assertRightAligned(View first, View second, int margin)` Assert that two views are right aligned, that is that their right edges are on the same x location, with respect to the specified margin.
`static void`	`assertRightAligned(View first, View second)` Assert that two views are right aligned, that is that their right edges are on the same x location.
`static void`	`assertTopAligned(View first, View second, int margin)` Assert that two views are top aligned, that is that their top edges are on the same y location, with respect to the specified margin.
`static void`	`assertTopAligned(View first, View second)` Assert that two views are top aligned, that is that their top edges are on the same y location.
`static void`	`assertVerticalCenterAligned(View reference, View test)` Assert that the `test` view is vertically center aligned with respect to the `reference` view.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeoutMillis, int nanos)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait()` Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public methods

assertBaselineAligned

Added in API level 1

public static void assertBaselineAligned (View first, 
                View second)

Assert that two views are aligned on their baseline, that is that their baselines are on the same y location.

Parameters
`first`	`View`: The first view
`second`	`View`: The second view

assertBottomAligned

Added in API level 1

public static void assertBottomAligned (View first, 
                View second, 
                int margin)

Assert that two views are bottom aligned, that is that their bottom edges are on the same y location, with respect to the specified margin.

Parameters
`first`	`View`: The first view
`second`	`View`: The second view
`margin`	`int`: The margin between the first view and the second view

assertBottomAligned

Added in API level 1

public static void assertBottomAligned (View first, 
                View second)

Assert that two views are bottom aligned, that is that their bottom edges are on the same y location.

Parameters
`first`	`View`: The first view
`second`	`View`: The second view

assertGroupContains

Added in API level 1

public static void assertGroupContains (ViewGroup parent, 
                View child)

Assert that the specified group contains a specific child once and only once.

Parameters
`parent`	`ViewGroup`: The group
`child`	`View`: The child that should belong to group

assertGroupIntegrity

Added in API level 1

public static void assertGroupIntegrity (ViewGroup parent)

Assert the specified group's integrity. The children count should be >= 0 and each child should be non-null.

Parameters
`parent`	`ViewGroup`: The group whose integrity to check

assertGroupNotContains

Added in API level 1

public static void assertGroupNotContains (ViewGroup parent, 
                View child)

Assert that the specified group does not contain a specific child.

Parameters
`parent`	`ViewGroup`: The group
`child`	`View`: The child that should not belong to group

assertHasScreenCoordinates

Added in API level 1

public static void assertHasScreenCoordinates (View origin, 
                View view, 
                int x, 
                int y)

Assert that a view has a particular x and y position on the visible screen.

Parameters
`origin`	`View`: The root view of the screen.
`view`	`View`: The view.
`x`	`int`: The expected x coordinate.
`y`	`int`: The expected y coordinate.

assertHorizontalCenterAligned

Added in API level 1

public static void assertHorizontalCenterAligned (View reference, 
                View test)

Assert that the test view is horizontally center aligned with respect to the reference view.

Parameters
`reference`	`View`: The reference view
`test`	`View`: The view that should be center aligned with the reference view

assertLeftAligned

Added in API level 1

public static void assertLeftAligned (View first, 
                View second)

Assert that two views are left aligned, that is that their left edges are on the same x location.

Parameters
`first`	`View`: The first view
`second`	`View`: The second view

assertLeftAligned

Added in API level 1

public static void assertLeftAligned (View first, 
                View second, 
                int margin)

Assert that two views are left aligned, that is that their left edges are on the same x location, with respect to the specified margin.

Parameters
`first`	`View`: The first view
`second`	`View`: The second view
`margin`	`int`: The margin between the first view and the second view

assertOffScreenAbove

Added in API level 1

public static void assertOffScreenAbove (View origin, 
                View view)

Assert that view is above the visible screen.

Parameters
`origin`	`View`: Te root view of the screen.
`view`	`View`: The view

assertOffScreenBelow

Added in API level 1

public static void assertOffScreenBelow (View origin, 
                View view)

Assert that view is below the visible screen.

Parameters
`origin`	`View`: The root view of the screen.
`view`	`View`: The view

assertOnScreen

Added in API level 1

public static void assertOnScreen (View origin, 
                View view)

Assert that view is on the screen.

Parameters
`origin`	`View`: The root view of the screen.
`view`	`View`: The view.

assertRightAligned

Added in API level 1

public static void assertRightAligned (View first, 
                View second, 
                int margin)

Assert that two views are right aligned, that is that their right edges are on the same x location, with respect to the specified margin.

Parameters
`first`	`View`: The first view
`second`	`View`: The second view
`margin`	`int`: The margin between the first view and the second view

assertRightAligned

Added in API level 1

public static void assertRightAligned (View first, 
                View second)

Assert that two views are right aligned, that is that their right edges are on the same x location.

Parameters
`first`	`View`: The first view
`second`	`View`: The second view

assertTopAligned

Added in API level 1

public static void assertTopAligned (View first, 
                View second, 
                int margin)

Assert that two views are top aligned, that is that their top edges are on the same y location, with respect to the specified margin.

Parameters
`first`	`View`: The first view
`second`	`View`: The second view
`margin`	`int`: The margin between the first view and the second view

assertTopAligned

Added in API level 1

public static void assertTopAligned (View first, 
                View second)

Assert that two views are top aligned, that is that their top edges are on the same y location.

Parameters
`first`	`View`: The first view
`second`	`View`: The second view

assertVerticalCenterAligned

Added in API level 1

public static void assertVerticalCenterAligned (View reference, 
                View test)

Assert that the test view is vertically center aligned with respect to the reference view.

Parameters
`reference`	`View`: The reference view
`test`	`View`: The view that should be center aligned with the reference view