Android/frameworks_base
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Merge "Reattach header view after DPAD scroll."

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This commit is contained in:
Adam Powell
2012-10-23 14:04:18 -07:00
committed by Gerrit Code Review
parent 40f2f751ac 158d6b70ac
commit 86e0d95de1
2 changed files with 21 additions and 6 deletions
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8
core/java/android/widget/ListView.java
View File

@@ -2919,11 +2919,9 @@ public class ListView extends AbsListView {
while (first.getBottom() < listTop) {
AbsListView.LayoutParams layoutParams = (LayoutParams) first.getLayoutParams();
if (recycleBin.shouldRecycleViewType(layoutParams.viewType)) {
detachViewFromParent(first);
recycleBin.addScrapView(first, mFirstPosition);
} else {
removeViewInLayout(first);
}
detachViewFromParent(first);
first = getChildAt(0);
mFirstPosition++;
}
@@ -2950,11 +2948,9 @@ public class ListView extends AbsListView {
while (last.getTop() > listBottom) {
AbsListView.LayoutParams layoutParams = (LayoutParams) last.getLayoutParams();
if (recycleBin.shouldRecycleViewType(layoutParams.viewType)) {
detachViewFromParent(last);
recycleBin.addScrapView(last, mFirstPosition+lastIndex);
} else {
removeViewInLayout(last);
}
detachViewFromParent(last);
last = getChildAt(--lastIndex);
}
}

19
core/tests/coretests/src/android/widget/listview/focus/ListWithEditTextHeaderTest.java
View File

@@ -22,6 +22,7 @@ import android.test.TouchUtils;
import android.test.suitebuilder.annotation.LargeTest;
import android.test.suitebuilder.annotation.MediumTest;
import android.view.KeyEvent;
import android.view.View;
import android.widget.AbsListView;
import android.widget.ListView;
import android.widget.listview.ListWithEditTextHeader;
@@ -63,4 +64,22 @@ public class ListWithEditTextHeaderTest extends ActivityInstrumentationTestCase2
assertTrue("header does not have focus", mListView.getChildAt(0).isFocused());
assertEquals("something is selected", AbsListView.INVALID_POSITION, mListView.getSelectedItemPosition());
}
@LargeTest
public void testScrollingDoesNotDetachHeaderViewFromWindow() {
View header = mListView.getChildAt(0);
assertNotNull("header is not attached to a window (?!)", header.getWindowToken());
// Scroll header off the screen and back onto the screen
int numItemsOnScreen = mListView.getChildCount();
for (int i = 0; i < numItemsOnScreen; i++) {
sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
}
for (int i = 0; i < numItemsOnScreen; i++) {
sendKeys(KeyEvent.KEYCODE_DPAD_UP);
}
// Make sure the header was not accidentally left detached from its window
assertNotNull("header has lost its window", header.getWindowToken());
}
}