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leanback: Add example of section header and divider

Browse Source 
Add example of SectionRow and Divider Row.

Also remove the need of adding hidden class PageRowPresenter to
Adapter,  it is automatically added by BrowseFragment.

Bug 28270725

Change-Id: I8f9a7ca40fab10d64f536b67d44fbe7aa9e99e17
This commit is contained in:
Dake Gu
2016-04-18 13:43:24 -07:00
parent aac405d39a
commit 8eaae843a9
2 changed files with 24 additions and 54 deletions
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36
samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseFragment.java
View File

@@ -23,12 +23,13 @@ import android.support.v17.leanback.app.RowsFragment;
import android.support.v17.leanback.widget.ArrayObjectAdapter;
import android.support.v17.leanback.widget.HeaderItem;
import android.support.v17.leanback.widget.ImageCardView;
import android.support.v17.leanback.widget.DividerRow;
import android.support.v17.leanback.widget.SectionRow;
import android.support.v17.leanback.widget.ListRow;
import android.support.v17.leanback.widget.ListRowPresenter;
import android.support.v17.leanback.widget.OnItemViewClickedListener;
import android.support.v17.leanback.widget.OnItemViewSelectedListener;
import android.support.v17.leanback.widget.PageRow;
import android.support.v17.leanback.widget.PageRowPresenter;
import android.support.v17.leanback.widget.Presenter;
import android.support.v17.leanback.widget.PresenterSelector;
import android.support.v17.leanback.widget.Row;
@@ -114,23 +115,23 @@ public class BrowseFragment extends android.support.v17.leanback.app.BrowseFragm
}
private void setupRows() {
mRowsAdapter = new ArrayObjectAdapter(new MyPresenterSelector());
mRowsAdapter = new ArrayObjectAdapter(new ListRowPresenter());
setAdapter(mRowsAdapter);
}
private void loadData() {
int i = 0;
HeaderItem header = new HeaderItem(HEADER_ID1, "Page Row " + 0);
mRowsAdapter.add(new PageRow(header));
mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID1, "Page Row 0")));
mRowsAdapter.add(new DividerRow());
mRowsAdapter.add(new SectionRow(new HeaderItem("section 0")));
for (; i < NUM_ROWS; ++i) {
header = new HeaderItem(i, "Row " + i);
mRowsAdapter.add(new ListRow(header, createListRowAdapter(i)));
mRowsAdapter.add(new ListRow(new HeaderItem(i, "Row " + i), createListRowAdapter(i)));
}
header = new HeaderItem(HEADER_ID2, "Page Row " + 1);
mRowsAdapter.add(new PageRow(header));
mRowsAdapter.add(new DividerRow());
mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID2, "Page Row 1")));
}
private ArrayObjectAdapter createListRowAdapter(int i) {
@@ -346,24 +347,5 @@ public class BrowseFragment extends android.support.v17.leanback.app.BrowseFragm
}
}
private static class MyPresenterSelector extends PresenterSelector {
private Presenter[] presenters = {
new ListRowPresenter(),
new PageRowPresenter()
};
@Override
public Presenter getPresenter(Object item) {
if (item instanceof PageRow) {
return presenters[1];
}
return presenters[0];
}
@Override
public Presenter[] getPresenters() {
return presenters;
}
}
}

42
samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseSupportFragment.java
View File

@@ -25,12 +25,13 @@ import android.support.v17.leanback.app.RowsSupportFragment;
import android.support.v17.leanback.widget.ArrayObjectAdapter;
import android.support.v17.leanback.widget.HeaderItem;
import android.support.v17.leanback.widget.ImageCardView;
import android.support.v17.leanback.widget.DividerRow;
import android.support.v17.leanback.widget.SectionRow;
import android.support.v17.leanback.widget.ListRow;
import android.support.v17.leanback.widget.ListRowPresenter;
import android.support.v17.leanback.widget.OnItemViewClickedListener;
import android.support.v17.leanback.widget.OnItemViewSelectedListener;
import android.support.v17.leanback.widget.PageRow;
import android.support.v17.leanback.widget.PageRowPresenter;
import android.support.v17.leanback.widget.Presenter;
import android.support.v17.leanback.widget.PresenterSelector;
import android.support.v17.leanback.widget.Row;
@@ -116,23 +117,23 @@ public class BrowseSupportFragment extends android.support.v17.leanback.app.Brow
}
private void setupRows() {
mRowsAdapter = new ArrayObjectAdapter(new MyPresenterSelector());
mRowsAdapter = new ArrayObjectAdapter(new ListRowPresenter());
setAdapter(mRowsAdapter);
}
private void loadData() {
int i = 0;
HeaderItem header = new HeaderItem(HEADER_ID1, "Page Row " + 0);
mRowsAdapter.add(new PageRow(header));
mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID1, "Page Row 0")));
mRowsAdapter.add(new DividerRow());
mRowsAdapter.add(new SectionRow(new HeaderItem("section 0")));
for (; i < NUM_ROWS; ++i) {
header = new HeaderItem(i, "Row " + i);
mRowsAdapter.add(new ListRow(header, createListRowAdapter(i)));
mRowsAdapter.add(new ListRow(new HeaderItem(i, "Row " + i), createListRowAdapter(i)));
}
header = new HeaderItem(HEADER_ID2, "Page Row " + 1);
mRowsAdapter.add(new PageRow(header));
mRowsAdapter.add(new DividerRow());
mRowsAdapter.add(new PageRow(new HeaderItem(HEADER_ID2, "Page Row 1")));
}
private ArrayObjectAdapter createListRowAdapter(int i) {
@@ -328,6 +329,12 @@ public class BrowseSupportFragment extends android.support.v17.leanback.app.Brow
return view;
}
@Override
public void onStart() {
super.onStart();
mMainFragmentAdapter.getFragmentHost().notifyViewCreated(mMainFragmentAdapter);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
setEntranceTransitionState(mEntranceTransitionState);
@@ -342,24 +349,5 @@ public class BrowseSupportFragment extends android.support.v17.leanback.app.Brow
}
}
private static class MyPresenterSelector extends PresenterSelector {
private Presenter[] presenters = {
new ListRowPresenter(),
new PageRowPresenter()
};
@Override
public Presenter getPresenter(Object item) {
if (item instanceof PageRow) {
return presenters[1];
}
return presenters[0];
}
@Override
public Presenter[] getPresenters() {
return presenters;
}
}
}