Examples with Behavior android.support.design.widget.CoordinatorLayout.Behavior used on opensource projects

Example 1 with Behavior

use of android.support.design.widget.CoordinatorLayout.Behavior in project material-components-android by material-components.

the class CoordinatorLayoutTest method testNestedScrollingDispatchingToBehaviorWithGoneView.

@Test
public void testNestedScrollingDispatchingToBehaviorWithGoneView() throws Throwable {
    final CoordinatorLayoutActivity activity = activityTestRule.getActivity();
    final CoordinatorLayout col = activity.mCoordinatorLayout;
    // Now create a GONE view and add it to the CoordinatorLayout with the spy behavior,
    // along with a NestedScrollView
    final ImageView imageView = new ImageView(activity);
    imageView.setVisibility(View.GONE);
    final CoordinatorLayout.Behavior behavior = spy(new NestedScrollingBehavior());
    activityTestRule.runOnUiThread(new Runnable() {

        @Override
        public void run() {
            LayoutInflater.from(activity).inflate(R.layout.include_nestedscrollview, col, true);
            CoordinatorLayout.LayoutParams clp = new CoordinatorLayout.LayoutParams(200, 200);
            clp.setBehavior(behavior);
            col.addView(imageView, clp);
        }
    });
    // Now vertically swipe up on the NSV, causing nested scrolling to occur
    onView(withId(R.id.nested_scrollview)).perform(swipeUp());
    // Verify that the Behavior's onStartNestedScroll was not called
    verify(behavior, never()).onStartNestedScroll(// parent
    eq(col), // child
    eq(imageView), // target
    any(View.class), // direct child target
    any(View.class), // axes
    any(int.class));
    // Verify that the Behavior's onNestedScrollAccepted was not called
    verify(behavior, never()).onNestedScrollAccepted(// parent
    eq(col), // child
    eq(imageView), // target
    any(View.class), // direct child target
    any(View.class), // axes
    any(int.class));
    // Verify that the Behavior's onNestedPreScroll was not called
    verify(behavior, never()).onNestedPreScroll(// parent
    eq(col), // child
    eq(imageView), // target
    any(View.class), // dx
    any(int.class), // dy
    any(int.class), // consumed
    any(int[].class));
    // Verify that the Behavior's onNestedScroll was not called
    verify(behavior, never()).onNestedScroll(// parent
    eq(col), // child
    eq(imageView), // target
    any(View.class), // dx consumed
    any(int.class), // dy consumed
    any(int.class), // dx unconsumed
    any(int.class), // dy unconsumed
    any(int.class));
    // Verify that the Behavior's onStopNestedScroll was not called
    verify(behavior, never()).onStopNestedScroll(// parent
    eq(col), // child
    eq(imageView), // target
    any(View.class));
}

Example 2 with Behavior

use of android.support.design.widget.CoordinatorLayout.Behavior in project material-components-android by material-components.

the class CoordinatorLayoutTest method testDependentViewChanged.

@Test
public void testDependentViewChanged() throws Throwable {
    final CoordinatorLayout col = activityTestRule.getActivity().mCoordinatorLayout;
    // Add two views, A & B, where B depends on A
    final View viewA = new View(col.getContext());
    final CoordinatorLayout.LayoutParams lpA = col.generateDefaultLayoutParams();
    lpA.width = 100;
    lpA.height = 100;
    final View viewB = new View(col.getContext());
    final CoordinatorLayout.LayoutParams lpB = col.generateDefaultLayoutParams();
    lpB.width = 100;
    lpB.height = 100;
    final CoordinatorLayout.Behavior behavior = spy(new DependentBehavior(viewA));
    lpB.setBehavior(behavior);
    activityTestRule.runOnUiThread(new Runnable() {

        @Override
        public void run() {
            col.addView(viewA, lpA);
            col.addView(viewB, lpB);
        }
    });
    getInstrumentation().waitForIdleSync();
    // Reset the Behavior since onDependentViewChanged may have already been called as part of
    // any layout/draw passes already
    reset(behavior);
    // Now offset view A
    activityTestRule.runOnUiThread(new Runnable() {

        @Override
        public void run() {
            ViewCompat.offsetLeftAndRight(viewA, 20);
            ViewCompat.offsetTopAndBottom(viewA, 20);
        }
    });
    getInstrumentation().waitForIdleSync();
    // And assert that view B's Behavior was called appropriately
    verify(behavior, times(1)).onDependentViewChanged(col, viewB, viewA);
}

Example 3 with Behavior

use of android.support.design.widget.CoordinatorLayout.Behavior in project material-components-android by material-components.

the class CoordinatorLayoutTest method testDodgeInsetViewWithEmptyBounds.

@Test
public void testDodgeInsetViewWithEmptyBounds() throws Throwable {
    final CoordinatorLayout col = activityTestRule.getActivity().mCoordinatorLayout;
    // Add a view with zero height/width which is set to dodge its bounds
    final View view = new View(col.getContext());
    final Behavior spyBehavior = spy(new DodgeBoundsBehavior());
    activityTestRule.runOnUiThread(new Runnable() {

        @Override
        public void run() {
            final CoordinatorLayout.LayoutParams lp = col.generateDefaultLayoutParams();
            lp.dodgeInsetEdges = Gravity.BOTTOM;
            lp.gravity = Gravity.BOTTOM;
            lp.height = 0;
            lp.width = 0;
            lp.setBehavior(spyBehavior);
            col.addView(view, lp);
        }
    });
    // Wait for a layout
    getInstrumentation().waitForIdleSync();
    // Now add an non-empty bounds inset view to the bottom of the CoordinatorLayout
    activityTestRule.runOnUiThread(new Runnable() {

        @Override
        public void run() {
            final View dodge = new View(col.getContext());
            final CoordinatorLayout.LayoutParams lp = col.generateDefaultLayoutParams();
            lp.insetEdge = Gravity.BOTTOM;
            lp.gravity = Gravity.BOTTOM;
            lp.height = 60;
            lp.width = CoordinatorLayout.LayoutParams.MATCH_PARENT;
            col.addView(dodge, lp);
        }
    });
    // Verify that the Behavior of the view with empty bounds does not have its
    // getInsetDodgeRect() called
    verify(spyBehavior, never()).getInsetDodgeRect(same(col), same(view), any(Rect.class));
}

Example 4 with Behavior

use of android.support.design.widget.CoordinatorLayout.Behavior in project material-components-android by material-components.

the class CoordinatorLayoutTest method testNestedScrollingTriggeringDependentViewChanged.

@Test
public void testNestedScrollingTriggeringDependentViewChanged() throws Throwable {
    final CoordinatorLayoutActivity activity = activityTestRule.getActivity();
    final CoordinatorLayout col = activity.mCoordinatorLayout;
    // First a NestedScrollView to trigger nested scrolling
    final View scrollView = LayoutInflater.from(activity).inflate(R.layout.include_nestedscrollview, col, false);
    // Now create a View and Behavior which depend on the scrollview
    final ImageView dependentView = new ImageView(activity);
    final CoordinatorLayout.Behavior dependentBehavior = spy(new DependentBehavior(scrollView));
    // Finally a view which accepts nested scrolling in the CoordinatorLayout
    final ImageView nestedScrollAwareView = new ImageView(activity);
    activityTestRule.runOnUiThread(new Runnable() {

        @Override
        public void run() {
            // First add the ScrollView
            col.addView(scrollView);
            // Now add the view which depends on the scrollview
            CoordinatorLayout.LayoutParams clp = new CoordinatorLayout.LayoutParams(200, 200);
            clp.setBehavior(dependentBehavior);
            col.addView(dependentView, clp);
            // Now add the nested scrolling aware view
            clp = new CoordinatorLayout.LayoutParams(200, 200);
            clp.setBehavior(new NestedScrollingBehavior());
            col.addView(nestedScrollAwareView, clp);
        }
    });
    // Wait for any layouts, and reset the Behavior so that the call counts are 0
    getInstrumentation().waitForIdleSync();
    reset(dependentBehavior);
    // Now vertically swipe up on the NSV, causing nested scrolling to occur
    onView(withId(R.id.nested_scrollview)).perform(swipeUp());
    // Verify that the Behavior's onDependentViewChanged is not called due to the
    // nested scroll
    verify(dependentBehavior, never()).onDependentViewChanged(// parent
    eq(col), // child
    eq(dependentView), // axes
    eq(scrollView));
}

Example 5 with Behavior

use of android.support.design.widget.CoordinatorLayout.Behavior in project material-components-android by material-components.

the class CoordinatorLayoutTest method testDodgeInsetBeforeLayout.

@Test
public void testDodgeInsetBeforeLayout() throws Throwable {
    final CoordinatorLayout col = activityTestRule.getActivity().mCoordinatorLayout;
    // Add a dummy view, which will be used to trigger a hierarchy change.
    final View dummy = new View(col.getContext());
    activityTestRule.runOnUiThread(new Runnable() {

        @Override
        public void run() {
            col.addView(dummy);
        }
    });
    // Wait for a layout.
    getInstrumentation().waitForIdleSync();
    final View dodge = new View(col.getContext());
    final CoordinatorLayout.LayoutParams lpDodge = col.generateDefaultLayoutParams();
    lpDodge.dodgeInsetEdges = Gravity.BOTTOM;
    lpDodge.setBehavior(new Behavior() {

        @Override
        public boolean getInsetDodgeRect(CoordinatorLayout parent, View child, Rect rect) {
            // Any non-empty rect is fine here.
            rect.set(0, 0, 10, 10);
            return true;
        }
    });
    activityTestRule.runOnUiThread(new Runnable() {

        @Override
        public void run() {
            col.addView(dodge, lpDodge);
            // Ensure the new view is in the list of children.
            int heightSpec = MeasureSpec.makeMeasureSpec(col.getHeight(), MeasureSpec.EXACTLY);
            int widthSpec = MeasureSpec.makeMeasureSpec(col.getWidth(), MeasureSpec.EXACTLY);
            col.measure(widthSpec, heightSpec);
            // Force a hierarchy change.
            col.removeView(dummy);
        }
    });
    // Wait for a layout.
    getInstrumentation().waitForIdleSync();
}