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Add null check before setting the visibility of swipe background

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Some contextual cards does not allow card dismissal, so they won't have
swipe background declared in the layout file. Add null check to prevent
from NPE.

Fixes: 132209310
Test: robotests & launch Settings
Change-Id: I31f897f445c4901d007c8187fe69aea416b915d1
This commit is contained in:
Yi-Ling Chuang
2019-05-08 11:34:40 +08:00
parent 6e8c403360
commit 0f75eb550e
2 changed files with 30 additions and 4 deletions
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7
src/com/android/settings/homepage/contextualcards/slices/SliceContextualCardRenderer.java
View File

@@ -112,8 +112,10 @@ public class SliceContextualCardRenderer implements ContextualCardRenderer, Life
final View swipeBackground = holder.itemView.findViewById(R.id.dismissal_swipe_background);
sliceLiveData.removeObservers(mLifecycleOwner);
// set the background to Gone in case the holder is reused.
// set the background to GONE in case the holder is reused.
if (swipeBackground != null) {
swipeBackground.setVisibility(View.GONE);
}
sliceLiveData.observe(mLifecycleOwner, slice -> {
if (slice == null) {
Log.w(TAG, "Slice is null");
@@ -140,8 +142,9 @@ public class SliceContextualCardRenderer implements ContextualCardRenderer, Life
default:
mFullCardHelper.bindView(holder, card, slice);
}
if (swipeBackground != null) {
swipeBackground.setVisibility(View.VISIBLE);
}
});
switch (holder.getItemViewType()) {

23
tests/robotests/src/com/android/settings/homepage/contextualcards/slices/SliceContextualCardRendererTest.java
View File

@@ -16,11 +16,13 @@
package com.android.settings.homepage.contextualcards.slices;
import static com.android.settings.homepage.contextualcards.slices.SliceContextualCardRenderer.VIEW_TYPE_DEFERRED_SETUP;
import static com.android.settings.homepage.contextualcards.slices.SliceContextualCardRenderer.VIEW_TYPE_FULL_WIDTH;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import android.app.Activity;
@@ -160,6 +162,15 @@ public class SliceContextualCardRendererTest {
assertThat(swipeBg.getVisibility()).isEqualTo(View.GONE);
}
@Test
public void bindView_deferredSetupCard_shouldNotCrash() {
final RecyclerView.ViewHolder viewHolder = getDeferredSetupViewHolder();
final ContextualCard card = buildContextualCard(TEST_SLICE_URI);
mRenderer.mSliceLiveDataMap.put(TEST_SLICE_URI, mSliceLiveData);
mRenderer.bindView(viewHolder, card);
}
@Test
public void viewClick_keepCard_shouldShowSlice() {
final RecyclerView.ViewHolder viewHolder = getSliceViewHolder();
@@ -246,6 +257,18 @@ public class SliceContextualCardRendererTest {
return mRenderer.createViewHolder(view, VIEW_TYPE_FULL_WIDTH);
}
private RecyclerView.ViewHolder getDeferredSetupViewHolder() {
final RecyclerView recyclerView = new RecyclerView(mActivity);
recyclerView.setLayoutManager(new LinearLayoutManager(mActivity));
final View view = LayoutInflater.from(mActivity)
.inflate(VIEW_TYPE_DEFERRED_SETUP, recyclerView, false);
final RecyclerView.ViewHolder viewHolder = spy(
new SliceDeferredSetupCardRendererHelper.DeferredSetupCardViewHolder(view));
doReturn(VIEW_TYPE_DEFERRED_SETUP).when(viewHolder).getItemViewType();
return viewHolder;
}
private ContextualCard buildContextualCard(Uri sliceUri) {
return new ContextualCard.Builder()
.setName("test_name")