Java tutorial
/* Copyright 2013-2014, Silent Circle, LLC. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Any redistribution, use, or modification is done solely for personal benefit and not for any commercial purpose or for monetary gain * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name Silent Circle nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SILENT CIRCLE, LLC BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * This implementation is edited version of original Android sources. */ /* * Copyright (C) 2010 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.silentcircle.contacts.list; import android.annotation.TargetApi; import android.content.Intent; import android.database.Cursor; import android.os.Build; import android.support.v4.content.CursorLoader; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.accessibility.AccessibilityEvent; import android.widget.Button; import android.widget.FrameLayout; import android.widget.ListView; import android.widget.TextView; import com.silentcircle.contacts.editor.ContactEditorFragment; import com.silentcircle.contacts.R; // TODO - see end of module import com.android.contacts.editor.ContactEditorFragment; import com.silentcircle.silentcontacts.ScContactsContract.RawContacts; /** * Fragment containing a contact list used for browsing (as compared to * picking a contact with one of the PICK intents). */ public class ScDefaultContactBrowseListFragment extends ScContactBrowseListFragment { private static final String TAG = ScDefaultContactBrowseListFragment.class.getSimpleName(); // private static final int REQUEST_CODE_ACCOUNT_FILTER = 1; private TextView mCounterHeaderView; private View mSearchHeaderView; private View mAccountFilterHeader; private FrameLayout mProfileHeaderContainer; private View mProfileHeader; private Button mProfileMessage; private FrameLayout mMessageContainer; private TextView mProfileTitle; private View mSearchProgress; private TextView mSearchProgressText; // private class FilterHeaderClickListener implements OnClickListener { // @Override // public void onClick(View view) { // AccountFilterUtil.startAccountFilterActivityForResult( // ScDefaultContactBrowseListFragment.this, // REQUEST_CODE_ACCOUNT_FILTER, // getFilter()); // } // } // private OnClickListener mFilterHeaderClickListener = new FilterHeaderClickListener(); public ScDefaultContactBrowseListFragment() { setPhotoLoaderEnabled(true); setSectionHeaderDisplayEnabled(true); setVisibleScrollbarEnabled(true); } @Override public CursorLoader createCursorLoader() { return new ProfileAndContactsLoader(getActivity()); } @Override protected void onItemClick(int position, long id) { viewContact(getAdapter().getContactUri(position)); } @Override protected ScContactListAdapter createListAdapter() { ScDefaultContactListAdapter adapter = new ScDefaultContactListAdapter(getContext()); adapter.setSectionHeaderDisplayEnabled(isSectionHeaderDisplayEnabled()); adapter.setDisplayPhotos(getResources().getBoolean(R.bool.config_browse_list_show_images)); return adapter; } @Override protected View inflateView(LayoutInflater inflater, ViewGroup container) { return inflater.inflate(R.layout.contact_list_content, null); } @Override protected void onCreateView(LayoutInflater inflater, ViewGroup container) { super.onCreateView(inflater, container); mCounterHeaderView = (TextView) getOwnView().findViewById(R.id.contacts_count); // Create an empty user profile header and hide it for now (it will be visible if the // contacts list will have no user profile). addEmptyUserProfileHeader(inflater); showEmptyUserProfile(false); // Putting the header view inside a container will allow us to make // it invisible later. See checkHeaderViewVisibility() FrameLayout headerContainer = new FrameLayout(inflater.getContext()); mSearchHeaderView = inflater.inflate(R.layout.search_header, null, false); headerContainer.addView(mSearchHeaderView); getListView().addHeaderView(headerContainer, null, false); checkHeaderViewVisibility(); mSearchProgress = getOwnView().findViewById(R.id.search_progress); mSearchProgressText = (TextView) mSearchHeaderView.findViewById(R.id.totalContactsText); } @Override protected void setSearchMode(boolean flag) { super.setSearchMode(flag); checkHeaderViewVisibility(); if (!flag) showSearchProgress(false); } /** Show or hide the directory-search progress spinner. */ private void showSearchProgress(boolean show) { mSearchProgress.setVisibility(show ? View.VISIBLE : View.GONE); } private void checkHeaderViewVisibility() { if (mCounterHeaderView != null) { mCounterHeaderView.setVisibility(isSearchMode() ? View.GONE : View.VISIBLE); } updateFilterHeaderView(); // Hide the search header by default. See showCount(). if (mSearchHeaderView != null) { mSearchHeaderView.setVisibility(View.GONE); } } @Override public void setFilter(ContactListFilter filter) { super.setFilter(filter); updateFilterHeaderView(); } private void updateFilterHeaderView() { if (mAccountFilterHeader == null) { return; // Before onCreateView -- just ignore it. } final ContactListFilter filter = getFilter(); if (filter != null && !isSearchMode()) { final boolean shouldShowHeader = false; // TODO - AccountFilterUtil.updateAccountFilterTitleForPeople(mAccountFilterHeader, filter, false); mAccountFilterHeader.setVisibility(shouldShowHeader ? View.VISIBLE : View.GONE); } else { mAccountFilterHeader.setVisibility(View.GONE); } } @Override protected void showCount(int partitionIndex, Cursor data) { if (!isSearchMode() && data != null) { int count = data.getCount(); if (count != 0) { count -= (mUserProfileExists ? 1 : 0); String format = getResources().getQuantityText(R.plurals.listTotalAllContacts, count).toString(); // Do not count the user profile in the contacts count if (mUserProfileExists) { getAdapter().setContactsCount(String.format(format, count)); } else { mCounterHeaderView.setText(String.format(format, count)); } } else { ContactListFilter filter = getFilter(); int filterType = filter != null ? filter.filterType : ContactListFilter.FILTER_TYPE_ACCOUNT; switch (filterType) { case ContactListFilter.FILTER_TYPE_ACCOUNT: mCounterHeaderView .setText(getString(R.string.listTotalAllContactsZeroGroup, filter.accountName)); break; case ContactListFilter.FILTER_TYPE_WITH_PHONE_NUMBERS_ONLY: mCounterHeaderView.setText(R.string.listTotalPhoneContactsZero); break; case ContactListFilter.FILTER_TYPE_STARRED: mCounterHeaderView.setText(R.string.listTotalAllContactsZeroStarred); break; case ContactListFilter.FILTER_TYPE_CUSTOM: mCounterHeaderView.setText(R.string.listTotalAllContactsZeroCustom); break; default: mCounterHeaderView.setText(R.string.listTotalAllContactsZero); break; } } } else { ScContactListAdapter adapter = getAdapter(); if (adapter == null) { return; } // In search mode we only display the header if there is nothing found if (TextUtils.isEmpty(getQueryString()) || !adapter.areAllPartitionsEmpty()) { mSearchHeaderView.setVisibility(View.GONE); showSearchProgress(false); } else { mSearchHeaderView.setVisibility(View.VISIBLE); if (adapter.isLoading()) { mSearchProgressText.setText(R.string.search_results_searching); showSearchProgress(true); } else { mSearchProgressText.setText(R.string.listFoundAllContactsZero); mSearchProgressText.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED); showSearchProgress(false); } } showEmptyUserProfile(false); } } @Override protected void setProfileHeader() { mUserProfileExists = getAdapter().hasProfile(); showEmptyUserProfile(!mUserProfileExists && !isSearchMode()); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { // if (requestCode == REQUEST_CODE_ACCOUNT_FILTER) { // if (getActivity() != null) { // AccountFilterUtil.handleAccountFilterResult( // ContactListFilterController.getInstance(getActivity()), resultCode, data); // } else { // Log.e(TAG, "getActivity() returns null during Fragment#onActivityResult()"); // } // } } private void showEmptyUserProfile(boolean show) { // Changing visibility of just the mProfileHeader doesn't do anything unless // you change visibility of its children, hence the call to mCounterHeaderView // and mProfileTitle mProfileHeaderContainer.setVisibility(show ? View.VISIBLE : View.GONE); mProfileHeader.setVisibility(show ? View.VISIBLE : View.GONE); mCounterHeaderView.setVisibility(show ? View.VISIBLE : View.GONE); mProfileTitle.setVisibility(show ? View.VISIBLE : View.GONE); mMessageContainer.setVisibility(show ? View.VISIBLE : View.GONE); mProfileMessage.setVisibility(show ? View.VISIBLE : View.GONE); } /** * This method creates a pseudo user profile contact. When the returned query doesn't have * a profile, this methods creates 2 views that are inserted as headers to the listview: * 1. A header view with the "ME" title and the contacts count. * 2. A button that prompts the user to create a local profile */ @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) private void addEmptyUserProfileHeader(LayoutInflater inflater) { ListView list = getListView(); // Put a header with the "ME" name and a view for the number of contacts // The view is embedded in a frame view since you cannot change the visibility of a // view in a ListView without having a parent view. mProfileHeaderContainer = new FrameLayout(inflater.getContext()); mProfileHeader = inflater.inflate(R.layout.user_profile_header, null, false); mCounterHeaderView = (TextView) mProfileHeader.findViewById(R.id.contacts_count); mProfileTitle = (TextView) mProfileHeader.findViewById(R.id.profile_title); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) mProfileTitle.setAllCaps(true); mProfileHeaderContainer.addView(mProfileHeader); list.addHeaderView(mProfileHeaderContainer, null, false); // Add a selectable view with a message inviting the user to create a local profile mMessageContainer = new FrameLayout(inflater.getContext()); mProfileMessage = (Button) inflater.inflate(R.layout.user_profile_button, null, false); mMessageContainer.addView(mProfileMessage); list.addHeaderView(mMessageContainer, null, true); mProfileMessage.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Intent intent = new Intent(Intent.ACTION_INSERT, RawContacts.CONTENT_URI); intent.putExtra(ContactEditorFragment.INTENT_EXTRA_NEW_LOCAL_PROFILE, true); startActivity(intent); } }); } }