Java tutorial
/* * 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 com.android.messaging.ui; import android.app.Fragment; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.os.Bundle; import android.support.v4.widget.CursorAdapter; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ListView; import com.android.messaging.R; import com.android.messaging.datamodel.binding.Binding; import com.android.messaging.datamodel.binding.BindingBase; import com.android.messaging.datamodel.data.BlockedParticipantsData; import com.android.messaging.datamodel.data.BlockedParticipantsData.BlockedParticipantsDataListener; import com.android.messaging.datamodel.DataModel; import com.android.messaging.util.Assert; /** * Show a list of currently blocked participants. */ public class BlockedParticipantsFragment extends Fragment implements BlockedParticipantsDataListener { private ListView mListView; private BlockedParticipantListAdapter mAdapter; private final Binding<BlockedParticipantsData> mBinding = BindingBase.createBinding(this); @Override public void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) { final View view = inflater.inflate(R.layout.blocked_participants_fragment, container, false); mListView = (ListView) view.findViewById(android.R.id.list); mAdapter = new BlockedParticipantListAdapter(getActivity(), null); mListView.setAdapter(mAdapter); mBinding.bind(DataModel.get().createBlockedParticipantsData(getActivity(), this)); mBinding.getData().init(getLoaderManager(), mBinding); return view; } @Override public void onActivityResult(final int requestCode, final int resultCode, final Intent data) { super.onActivityResult(requestCode, resultCode, data); } @Override public void onDestroy() { super.onDestroy(); mBinding.unbind(); } /** * An adapter to display ParticipantListItemView based on ParticipantData. */ private class BlockedParticipantListAdapter extends CursorAdapter { public BlockedParticipantListAdapter(final Context context, final Cursor cursor) { super(context, cursor, 0); } @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { return LayoutInflater.from(context).inflate(R.layout.blocked_participant_list_item_view, parent, false); } @Override public void bindView(View view, Context context, Cursor cursor) { Assert.isTrue(view instanceof BlockedParticipantListItemView); ((BlockedParticipantListItemView) view).bind(mBinding.getData().createParticipantListItemData(cursor)); } } @Override public void onBlockedParticipantsCursorUpdated(Cursor cursor) { mAdapter.swapCursor(cursor); } }