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Diffstat (limited to 'samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/app/grid/GridExampleFragment.java')
-rw-r--r-- | samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/app/grid/GridExampleFragment.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/app/grid/GridExampleFragment.java b/samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/app/grid/GridExampleFragment.java new file mode 100644 index 000000000..6640b5180 --- /dev/null +++ b/samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/app/grid/GridExampleFragment.java @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2015 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 android.support.v17.leanback.supportleanbackshowcase.app.grid; + +import android.os.Bundle; +import android.os.Handler; +import android.support.v17.leanback.app.VerticalGridFragment; +import android.support.v17.leanback.supportleanbackshowcase.R; +import android.support.v17.leanback.supportleanbackshowcase.utils.Utils; +import android.support.v17.leanback.supportleanbackshowcase.models.CardRow; +import android.support.v17.leanback.supportleanbackshowcase.cards.presenters.CardPresenterSelector; +import android.support.v17.leanback.widget.ArrayObjectAdapter; +import android.support.v17.leanback.widget.FocusHighlight; +import android.support.v17.leanback.widget.PresenterSelector; +import android.support.v17.leanback.widget.VerticalGridPresenter; + +import com.google.gson.Gson; + +/** + * An example how to use leanback's {@link VerticalGridFragment}. + */ +public class GridExampleFragment extends VerticalGridFragment { + + private static final int COLUMNS = 4; + private static final int ZOOM_FACTOR = FocusHighlight.ZOOM_FACTOR_MEDIUM; + + private ArrayObjectAdapter mAdapter; + + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setTitle(getString(R.string.grid_example_title)); + setupRowAdapter(); + } + + private void setupRowAdapter() { + VerticalGridPresenter gridPresenter = new VerticalGridPresenter(ZOOM_FACTOR); + gridPresenter.setNumberOfColumns(COLUMNS); + setGridPresenter(gridPresenter); + + PresenterSelector cardPresenterSelector = new CardPresenterSelector(getActivity()); + mAdapter = new ArrayObjectAdapter(cardPresenterSelector); + setAdapter(mAdapter); + + prepareEntranceTransition(); + new Handler().postDelayed(new Runnable() { + @Override + public void run() { + createRows(); + startEntranceTransition(); + } + }, 1000); + } + + private void createRows() { + String json = Utils.inputStreamToString(getResources() + .openRawResource(R.raw.grid_example)); + CardRow row = new Gson().fromJson(json, CardRow.class); + mAdapter.addAll(0, row.getCards()); + } +} |