Java tutorial
/* * Copyright (C) 2014 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 net.quduo.pixel.interfaces.android.fragment; import android.app.Activity; import android.graphics.drawable.ColorDrawable; import android.os.Bundle; import android.support.v4.app.Fragment; import android.util.Log; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.ListView; import android.widget.PopupWindow; import android.widget.TextView; import net.quduo.pixel.BuildConfig; import net.quduo.pixel.R; import net.quduo.pixel.interfaces.android.common.CharacterParser; import net.quduo.pixel.interfaces.android.common.ContactListAdapter; import net.quduo.pixel.interfaces.android.model.ContactListDataModel; import net.quduo.pixel.interfaces.android.widget.LetterQueryView; import java.util.ArrayList; import java.util.HashMap; import java.util.List; /** * A fragment representing a list of Items. * <p/> * Large screen devices (such as tablets) are supported by replacing the ListView * with a GridView. * <p/> * Activities containing this fragment MUST implement the {@link OnFragmentInteractionListener} * interface. */ public class ContactFragment extends Fragment { private static final String TAG = ContactFragment.class.getName(); private static final boolean DEBUG = BuildConfig.DEBUG; // TODO: Rename parameter arguments, choose names that match // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER private static final String ARG_PARAM1 = "param1"; private static final String ARG_PARAM2 = "param2"; // TODO: Rename and change types of parameters private String mParam1; private String mParam2; private OnFragmentInteractionListener mListener; /** * The fragment's ListView/GridView. */ private ListView mListView; /** * The Adapter which will be used to populate the ListView/GridView with * Views. */ private ContactListAdapter mContactListAdapter; List<ContactListDataModel> mSourceDataList; private CharacterParser mCharacterParser; private LetterQueryView mLetterQueryView; private TextView mLetterTextDialog; /* // mGestureDetector = new GestureDetector(container.getContext(), mOnGestureListener); private GestureDetector mGestureDetector; private GestureDetector.OnGestureListener mOnGestureListener = new GestureDetector.SimpleOnGestureListener() { @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { float x = e2.getX() - e1.getX(); // float y = e2.getY() - e1.getY(); if (x > 0 || x < 0) { mLetterQueryView.setVisibility(View.GONE); } else { mLetterQueryView.setVisibility(View.VISIBLE); } return true; } }; */ // TODO: Rename and change types of parameters public static ContactFragment newInstance(String param1, String param2) { ContactFragment fragment = new ContactFragment(); Bundle args = new Bundle(); args.putString(ARG_PARAM1, param1); args.putString(ARG_PARAM2, param2); fragment.setArguments(args); return fragment; } /** * Mandatory empty constructor for the fragment manager to instantiate the * fragment (e.g. upon screen orientation changes). */ public ContactFragment() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (getArguments() != null) { mParam1 = getArguments().getString(ARG_PARAM1); mParam2 = getArguments().getString(ARG_PARAM2); } // mCharacterParser = CharacterParser.getInstance(); // TODO: Change Adapter to display your content mSourceDataList = new ArrayList<ContactListDataModel>(); ContactListDataModel sourceData = new ContactListDataModel(); sourceData.setContactAvatar(R.drawable.default_avatar_04); sourceData.setContactName("?"); sourceData.setCatalogLetter(""); mSourceDataList.add(sourceData); ContactListDataModel sourceData1 = new ContactListDataModel(); sourceData1.setContactAvatar(R.drawable.default_avatar_03); sourceData1.setContactName("?"); sourceData1.setCatalogLetter(""); mSourceDataList.add(sourceData1); ContactListDataModel sourceData2 = new ContactListDataModel(); sourceData2.setContactAvatar(R.drawable.default_avatar_02); sourceData2.setContactName(""); sourceData2.setCatalogLetter(""); mSourceDataList.add(sourceData2); ContactListDataModel sourceData3 = new ContactListDataModel(); sourceData3.setContactAvatar(R.drawable.default_avatar_01); sourceData3.setContactName("?"); sourceData3.setCatalogLetter(""); mSourceDataList.add(sourceData3); // mAdapter = new ArrayAdapter<DummyContent.DummyItem>(getActivity(), android.R.layout.simple_list_item_1, android.R.id.text1, DummyContent.ITEMS); // mAdapter = new ArrayAdapter<DummyContent.DummyItem>(getActivity(), R.layout.list_item_contact, R.id.contact_name_text_view, DummyContent.ITEMS); } @Override public View onCreateView(final LayoutInflater inflater, final ViewGroup container, Bundle savedInstanceState) { final View view = inflater.inflate(R.layout.fragment_contact, container, false); // TODO ContextMenu final ArrayList<HashMap<String, Object>> mPopupWindowListItem = new ArrayList<HashMap<String, Object>>(); HashMap<String, Object> map1 = new HashMap<String, Object>(); // map1.put("item_image", R.drawable.icon_message); map1.put("item_icon", R.string.icon_chat_add_group); // map1.put("item_text", "" + i + ""); map1.put("item_title", "??"); mPopupWindowListItem.add(map1); HashMap<String, Object> map2 = new HashMap<String, Object>(); // map2.put("item_image", R.drawable.icon_message); map2.put("item_icon", R.string.icon_chat_add_group); // map2.put("item_text", "" + i + ""); map2.put("item_title", ""); mPopupWindowListItem.add(map2); // Set the adapter mContactListAdapter = new ContactListAdapter(this.getActivity(), mSourceDataList); mListView = (ListView) view.findViewById(R.id.contact_list_view); mListView.setAdapter(mContactListAdapter); // Set OnItemClickListener so we can be notified on item clicks mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { if (null != mListener) { // Notify the active callbacks interface (the activity, if the // fragment is attached to one) that an item has been selected. // mListener.onFragmentInteraction(DummyContent.ITEMS.get(position).id); } } }); mListView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() { @Override public boolean onItemLongClick(AdapterView<?> adapterView, View v, int i, long l) { // Log.e(TAG, DummyContent.ITEMS.get(i).content); Log.e(TAG, mSourceDataList.get(i).getContactName()); // ?? View contextMenuView = inflater.inflate(R.layout.layout_common_context_menu, null); // PopupWindow final PopupWindow popupWindow = new PopupWindow(contextMenuView, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT, false); // ??? // new ColorDrawable(0) getResources().getDrawable(R.drawable.popup_window_background) popupWindow.setBackgroundDrawable(new ColorDrawable(0x90000000)); // ?? // popupWindow.setOutsideTouchable(true); // ?? popupWindow.setFocusable(true); // ? // popupWindow.setAnimationStyle(R.style.PopupAnimation); // ? // popupWindow.setOnDismissListenerd(new PopupWindow.OnDismissListener(){}); /* // PopupWindow,PopupWindow popupWindow.setTouchInterceptor(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_OUTSIDE) { popupWindow.dismiss(); return true; } return false; } }); */ popupWindow.getContentView().setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { popupWindow.dismiss(); } }); if (popupWindow.isShowing()) { // ??????????? popupWindow.dismiss(); } else { // SimpleAdapter mSimpleAdapter = new SimpleAdapter(getApplicationContext(), mPopupWindowListItem, R.layout.main_popup_menu_item, new String[]{"item_icon", "item_title"}, new int[]{R.id.popup_menu_item_icon, R.id.popup_menu_item_title}); BaseAdapter mSimpleAdapter = new BaseAdapter() { @Override public int getCount() { return mPopupWindowListItem.size(); } @Override public Object getItem(int i) { return null; } @Override public long getItemId(int i) { return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { LayoutInflater inflater = LayoutInflater.from(getActivity()); convertView = inflater.inflate(R.layout.list_item_common_context_menu, parent, false); } // TextView popupMenuItemIcon = (TextView) convertView.findViewById(R.id.popup_menu_item_icon); // if (DEBUG) Log.d(TAG, "item_icon:" + mPopupWindowListItem.get(position).get("item_icon")); // popupMenuItemIcon.setTypeface(typeface); // if (popupMenuItemIcon.getTypeface() != typeface) { // popupMenuItemIcon.setTypeface(typeface); // } // popupMenuItemIcon.setText(Integer.valueOf(mPopupWindowListItem.get(position).get("item_icon").toString())); TextView popupMenuItemTitle = (TextView) convertView .findViewById(R.id.context_menu_action_text_view); popupMenuItemTitle .setText(mPopupWindowListItem.get(position).get("item_title").toString()); return convertView; } }; TextView contextMenuTitle = (TextView) contextMenuView.findViewById(R.id.context_menu_title); contextMenuTitle.setText(mSourceDataList.get(i).getContactName()); ListView mPopupMenuListView = (ListView) contextMenuView .findViewById(R.id.context_menu_list_view); mPopupMenuListView.setAdapter(mSimpleAdapter); // ? // PopupWindow??View?x,y????? // popupWindow.showAsDropDown(v, -460, 0); // ?View?,?parent????-90 // Gravity.TOP|Gravity.LEFT, 0, 150 popupWindow.showAtLocation(v, Gravity.CENTER, 0, 0); popupWindow.update(); } return true; } }); mLetterQueryView = (LetterQueryView) view.findViewById(R.id.letter_query_view); mLetterTextDialog = (TextView) view.findViewById(R.id.letter_text_dialog); mLetterQueryView.setTextView(mLetterTextDialog); // ?? mLetterQueryView.setOnTouchingLetterChangedListener(new LetterQueryView.OnTouchingLetterChangedListener() { @Override public void onTouchingLetterChanged(String s) { // ?? int position = mContactListAdapter.getPositionForSection(s.charAt(0)); if (position != -1) { mListView.setSelection(position); } } }); return view; } @Override public void onAttach(Activity activity) { super.onAttach(activity); try { mListener = (OnFragmentInteractionListener) activity; } catch (ClassCastException e) { throw new ClassCastException(activity.toString() + " must implement OnFragmentInteractionListener"); } } @Override public void onDetach() { super.onDetach(); mListener = null; } /** * The default content for this Fragment has a TextView that is shown when * the list is empty. If you would like to change the text, call this method * to supply the text it should use. */ public void setEmptyText(CharSequence emptyText) { View emptyView = mListView.getEmptyView(); if (emptyView instanceof TextView) { ((TextView) emptyView).setText(emptyText); } } public void onScrolled(boolean isScrolled) { if (isScrolled) { mLetterQueryView.setVisibility(View.GONE); mLetterTextDialog.setVisibility(View.GONE); } else { mLetterQueryView.setVisibility(View.VISIBLE); } } /** * This interface must be implemented by activities that contain this * fragment to allow an interaction in this fragment to be communicated * to the activity and potentially other fragments contained in that * activity. * <p/> * See the Android Training lesson <a href= * "http://developer.android.com/training/basics/fragments/communicating.html" * >Communicating with Other Fragments</a> for more information. */ public interface OnFragmentInteractionListener { // TODO: Update argument type and name public void onFragmentInteraction(String id); } }