/
AppBarWithToolbarTest.java
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/
AppBarWithToolbarTest.java
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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.material.appbar;
import static androidx.test.espresso.Espresso.onView;
import static androidx.test.espresso.matcher.ViewMatchers.withId;
import static com.google.android.material.appbar.AppBarLayout.LayoutParams.SCROLL_FLAG_NO_SCROLL;
import static org.junit.Assert.assertEquals;
import android.graphics.Rect;
import android.view.View;
import android.view.ViewGroup;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import androidx.core.view.ViewCompat;
import androidx.test.InstrumentationRegistry;
import androidx.test.filters.MediumTest;
import androidx.test.runner.AndroidJUnit4;
import com.google.android.material.testapp.R;
import org.junit.Test;
import org.junit.runner.RunWith;
@MediumTest
@RunWith(AndroidJUnit4.class)
public class AppBarWithToolbarTest extends AppBarLayoutBaseTest {
/**
* Tests a AppBarLayout with fitSystemWindows = undefined, with a fitSystemWindows = true parent
*/
@Test
public void testScrollToolbarWithFitSystemWindowsParent() throws Throwable {
configureContent(
R.layout.design_appbar_toolbar_scroll_fitsystemwindows_parent,
R.string.design_appbar_toolbar_scroll_tabs_pin);
final int[] appbarOnScreenXY = new int[2];
mAppBar.getLocationOnScreen(appbarOnScreenXY);
final int originalAppbarTop = appbarOnScreenXY[1];
final int originalAppbarBottom = appbarOnScreenXY[1] + mAppBar.getHeight();
final int centerX = appbarOnScreenXY[0] + mAppBar.getWidth() / 2;
final int appbarHeight = mAppBar.getHeight();
final int longSwipeAmount = 3 * appbarHeight / 2;
// Perform a swipe-up gesture across the horizontal center of the screen.
performVerticalSwipeUpGesture(
R.id.coordinator_layout,
centerX,
originalAppbarBottom + 3 * longSwipeAmount / 2,
longSwipeAmount);
// At this point the tab bar should be visually snapped below the system status bar.
// Allow for off-by-a-pixel margin of error.
mAppBar.getLocationOnScreen(appbarOnScreenXY);
assertEquals(originalAppbarTop, appbarOnScreenXY[1] + appbarHeight, 1);
// Perform yet another swipe-down gesture across the horizontal center of the screen.
performVerticalSwipeDownGesture(
R.id.coordinator_layout, centerX, originalAppbarBottom, longSwipeAmount);
// At this point the app bar should still be in its original position.
// Allow for off-by-a-pixel margin of error.
mAppBar.getLocationOnScreen(appbarOnScreenXY);
assertEquals(originalAppbarTop, appbarOnScreenXY[1], 1);
assertEquals(originalAppbarBottom, appbarOnScreenXY[1] + appbarHeight, 1);
}
/** Tests a AppBarLayout with fitSystemWindows = true, with a fitSystemWindows = true parent */
@Test
public void testScrollAppBarLayoutWithFitSystemWindows() throws Throwable {
configureContent(
R.layout.design_appbar_toolbar_scroll_fitsystemwindows,
R.string.design_appbar_toolbar_scroll_tabs_pin);
final int[] appbarOnScreenXY = new int[2];
mAppBar.getLocationOnScreen(appbarOnScreenXY);
final int[] toolbarOnScreenXY = new int[2];
mToolbar.getLocationOnScreen(toolbarOnScreenXY);
final int[] coordinatorLayoutOnScreenXY = new int[2];
mCoordinatorLayout.getLocationOnScreen(coordinatorLayoutOnScreenXY);
final int originalAppbarTop = appbarOnScreenXY[1];
final int originalAppbarBottom = originalAppbarTop + mAppBar.getHeight();
final int centerX = appbarOnScreenXY[0] + mAppBar.getWidth() / 2;
final int longSwipeAmount = 3 * mAppBar.getHeight() / 2;
final int originalToolbarTop = toolbarOnScreenXY[1];
final int originalToolbarBottom = originalToolbarTop + mToolbar.getHeight();
// Ensure that the Toolbar is positioned at the bottom of the AppBarLayout, and below
// the status bar
assertEquals(coordinatorLayoutOnScreenXY[1], originalAppbarTop);
assertEquals(originalAppbarTop + mAppBar.getTopInset(), originalToolbarTop);
assertEquals(originalAppbarBottom, originalToolbarBottom);
// Perform a swipe-up gesture across the horizontal center of the screen.
performVerticalSwipeUpGesture(
R.id.coordinator_layout,
centerX,
originalAppbarBottom + 3 * longSwipeAmount / 2,
longSwipeAmount);
// At this point the app bar should be visually snapped below the system status bar.
// Allow for off-by-a-pixel margin of error.
mAppBar.getLocationOnScreen(appbarOnScreenXY);
assertEquals(originalToolbarTop, appbarOnScreenXY[1] + mAppBar.getHeight(), 1);
// Perform yet another swipe-down gesture across the horizontal center of the screen.
performVerticalSwipeDownGesture(
R.id.coordinator_layout, centerX, originalAppbarBottom, longSwipeAmount);
// At this point the app bar should still be in its original position.
// Allow for off-by-a-pixel margin of error.
mAppBar.getLocationOnScreen(appbarOnScreenXY);
assertEquals(originalAppbarTop, appbarOnScreenXY[1], 1);
assertEquals(originalAppbarBottom, appbarOnScreenXY[1] + mAppBar.getHeight(), 1);
}
/**
* Tests a AppBarLayout + scrolling content with fitSystemWindows = undefined, with a
* fitSystemWindows = true parent
*/
@Test
public void testScrollingContentPositionWithFitSystemWindowsParent() throws Throwable {
configureContent(
R.layout.design_appbar_toolbar_scroll_fitsystemwindows_parent,
R.string.design_appbar_toolbar_scroll_tabs_pin);
final int[] appbarOnScreenXY = new int[2];
mAppBar.getLocationOnScreen(appbarOnScreenXY);
final View scrollingContent = mCoordinatorLayout.findViewById(R.id.scrolling_content);
final int[] scrollingContentOnScreenXY = new int[2];
scrollingContent.getLocationOnScreen(scrollingContentOnScreenXY);
// Assert that they have the same left
assertEquals(appbarOnScreenXY[0], scrollingContentOnScreenXY[0]);
// ...and the same width
assertEquals(mAppBar.getWidth(), scrollingContent.getWidth());
// ...and are vertically stacked
assertEquals(mAppBar.getBottom(), scrollingContent.getTop());
}
/**
* Tests a AppBarLayout + scrolling content with fitSystemWindows = undefined, with a
* fitSystemWindows = true parent, in RTL
*/
@Test
public void testScrollingContentPositionWithFitSystemWindowsParentInRtl() throws Throwable {
configureContent(
R.layout.design_appbar_toolbar_scroll_fitsystemwindows_parent,
R.string.design_appbar_toolbar_scroll_tabs_pin);
// Force RTL
onView(withId(R.id.app_bar)).perform(setLayoutDirection(ViewCompat.LAYOUT_DIRECTION_RTL));
final int[] appbarOnScreenXY = new int[2];
mAppBar.getLocationOnScreen(appbarOnScreenXY);
final View scrollingContent = mCoordinatorLayout.findViewById(R.id.scrolling_content);
final int[] scrollingContentOnScreenXY = new int[2];
scrollingContent.getLocationOnScreen(scrollingContentOnScreenXY);
// Assert that they have the same left
assertEquals(appbarOnScreenXY[0], scrollingContentOnScreenXY[0]);
// ...and the same width
assertEquals(mAppBar.getWidth(), scrollingContent.getWidth());
// ...and are vertically stacked
assertEquals(mAppBar.getBottom(), scrollingContent.getTop());
}
@Test
public void testRequestRectangleWithChildThatDoesNotRequireScroll() throws Throwable {
configureContent(
R.layout.design_appbar_toolbar_scroll_fitsystemwindows_parent,
R.string.design_appbar_toolbar_scroll_tabs_pin);
final View scrollingContent = mCoordinatorLayout.findViewById(R.id.scrolling_content);
// Get the initial XY
final int[] originalScrollingXY = new int[2];
scrollingContent.getLocationInWindow(originalScrollingXY);
// Now request that the first child has its full rectangle displayed
activityTestRule.runOnUiThread(
() -> {
final ViewGroup scrollingContentInner =
scrollingContent.findViewById(R.id.scrolling_content_inner);
View child = scrollingContentInner.getChildAt(0);
Rect rect = new Rect(0, 0, child.getWidth(), child.getHeight());
child.requestRectangleOnScreen(rect, true);
});
InstrumentationRegistry.getInstrumentation().waitForIdleSync();
final int[] newScrollingXY = new int[2];
scrollingContent.getLocationInWindow(newScrollingXY);
// Assert that the scrolling view has not moved
assertEquals(originalScrollingXY[0], newScrollingXY[0]);
assertEquals(originalScrollingXY[1], newScrollingXY[1]);
}
@Test
public void testRequestRectangleWithChildThatDoesRequireScroll() throws Throwable {
configureContent(
R.layout.design_appbar_toolbar_scroll_fitsystemwindows_parent,
R.string.design_appbar_toolbar_scroll_tabs_pin);
final View scrollingContent = mCoordinatorLayout.findViewById(R.id.scrolling_content);
// Get the initial XY
final int[] originalScrollingXY = new int[2];
scrollingContent.getLocationInWindow(originalScrollingXY);
// Now request that the first child has its full rectangle displayed
activityTestRule.runOnUiThread(
() -> {
final ViewGroup scrollingContentInner =
scrollingContent.findViewById(R.id.scrolling_content_inner);
View child = scrollingContentInner.getChildAt(scrollingContentInner.getChildCount() - 1);
Rect rect = new Rect(0, 0, child.getWidth(), child.getHeight());
child.requestRectangleOnScreen(rect, true);
});
InstrumentationRegistry.getInstrumentation().waitForIdleSync();
final int[] newScrollingXY = new int[2];
scrollingContent.getLocationInWindow(newScrollingXY);
// Assert that the appbar has collapsed vertically
assertEquals(originalScrollingXY[0], newScrollingXY[0]);
assertEquals(originalScrollingXY[1] - mAppBar.getHeight(), newScrollingXY[1]);
}
@Test
@SuppressWarnings("unchecked")
public void testUpdateAccessibilityActionsWithEnterAlwaysFlag() throws Throwable {
configureContent(
R.layout.design_appbar_toolbar_scroll_fitsystemwindows,
R.string.design_appbar_toolbar_scroll_tabs_pin);
final int[] appbarOnScreenXY = new int[2];
mAppBar.getLocationOnScreen(appbarOnScreenXY);
final int originalAppbarBottom = appbarOnScreenXY[1] + mAppBar.getHeight();
final int centerX = appbarOnScreenXY[0] + mAppBar.getWidth() / 2;
final int appbarHeight = mAppBar.getHeight();
final int longSwipeAmount = 3 * appbarHeight / 2;
// Call onLayout so the accessibility actions are initially updated.
activityTestRule.runOnUiThread(
() -> {
final CoordinatorLayout.Behavior<AppBarLayout> behavior =
((CoordinatorLayout.LayoutParams) mAppBar.getLayoutParams()).getBehavior();
behavior.onLayoutChild(mCoordinatorLayout, mAppBar, mAppBar.getLayoutDirection());
});
// Very top of screen, can scroll forward to collapse but can't scroll backward.
assertAccessibilityHasScrollForwardAction(true);
assertAccessibilityHasScrollBackwardAction(false);
assertAccessibilityScrollable(true);
// Perform a swipe-up gesture across the horizontal center of the screen.
performVerticalSwipeUpGesture(
R.id.coordinator_layout,
centerX,
originalAppbarBottom + 3 * longSwipeAmount / 2,
longSwipeAmount);
// AppBar has been collapsed fully so we can't scroll forward. Can scroll backward since
// the bar will always be entered/expanded on scroll.
assertAccessibilityHasScrollForwardAction(false);
assertAccessibilityHasScrollBackwardAction(true);
assertAccessibilityScrollable(true);
}
@Test
@SuppressWarnings("unchecked")
public void testUpdateAccessibilityActionWithViewsRemoved() throws Throwable {
configureContent(
R.layout.design_appbar_toolbar_scroll_fitsystemwindows,
R.string.design_appbar_toolbar_scroll_tabs_pin);
// Call onLayout so the accessibility actions are initially updated.
activityTestRule.runOnUiThread(
() -> {
final CoordinatorLayout.Behavior<AppBarLayout> behavior =
((CoordinatorLayout.LayoutParams) mAppBar.getLayoutParams()).getBehavior();
behavior.onLayoutChild(mCoordinatorLayout, mAppBar, mAppBar.getLayoutDirection());
});
assertAccessibilityHasScrollForwardAction(true);
assertAccessibilityHasScrollBackwardAction(false);
assertAccessibilityScrollable(true);
activityTestRule.runOnUiThread(
() -> {
mCoordinatorLayout.removeAllViews();
});
assertAccessibilityHasScrollForwardAction(false);
assertAccessibilityHasScrollBackwardAction(false);
assertAccessibilityScrollable(false);
}
@Test
public void testUpdateAccessibilityActionsWithSetScrollFlags() throws Throwable {
configureContent(
R.layout.design_appbar_toolbar_scroll_fitsystemwindows,
R.string.design_appbar_toolbar_scroll_tabs_pin);
final int[] appbarOnScreenXY = new int[2];
mAppBar.getLocationOnScreen(appbarOnScreenXY);
final int originalAppbarBottom = appbarOnScreenXY[1] + mAppBar.getHeight();
final int centerX = appbarOnScreenXY[0] + mAppBar.getWidth() / 2;
final int appbarHeight = mAppBar.getHeight();
final int longSwipeAmount = 3 * appbarHeight / 2;
AppBarLayout.LayoutParams lp = (AppBarLayout.LayoutParams) mToolbar.getLayoutParams();
// Disable scrolling and call onLayout to update the a11y actions.
lp.setScrollFlags(SCROLL_FLAG_NO_SCROLL);
activityTestRule.runOnUiThread(
() -> {
mToolbar.setLayoutParams(lp);
final CoordinatorLayout.Behavior<AppBarLayout> behavior =
((CoordinatorLayout.LayoutParams) mAppBar.getLayoutParams()).getBehavior();
behavior.onLayoutChild(mCoordinatorLayout, mAppBar, mAppBar.getLayoutDirection());
});
assertAccessibilityHasScrollForwardAction(false);
assertAccessibilityHasScrollBackwardAction(false);
// Add the SCROLL_FLAG_SCROLL flag and update the a11y actions.
lp.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL);
activityTestRule.runOnUiThread(
() -> {
mToolbar.setLayoutParams(lp);
final CoordinatorLayout.Behavior<AppBarLayout> behavior =
((CoordinatorLayout.LayoutParams) mAppBar.getLayoutParams()).getBehavior();
behavior.onLayoutChild(mCoordinatorLayout, mAppBar, mAppBar.getLayoutDirection());
});
// Can scroll forward to collapse, and cannot expand because it's already expanded.
assertAccessibilityHasScrollForwardAction(true);
assertAccessibilityHasScrollBackwardAction(false);
assertAccessibilityScrollable(true);
// Perform a swipe-up gesture across the horizontal center of the screen. The toolbar should be
// collapsed.
performVerticalSwipeUpGesture(
R.id.coordinator_layout,
centerX,
originalAppbarBottom + 3 * longSwipeAmount / 2,
longSwipeAmount);
// Content is already collapsed, so it can't scroll forward. The pre-scroll range will be 0
// for SCROLL_FLAG_SCROLL, so it can't scroll backward.
assertAccessibilityHasScrollForwardAction(false);
assertAccessibilityHasScrollBackwardAction(false);
assertAccessibilityScrollable(false);
}
}