Java tutorial
/** * Copyright (C) 2014 Open Whisper Systems * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package systems.obscure.client; import android.content.Intent; import android.database.ContentObserver; import android.os.Bundle; import android.provider.ContactsContract; import android.support.v4.view.MenuItemCompat; import android.support.v7.app.ActionBar; import android.support.v7.widget.SearchView; import android.util.Log; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import org.thoughtcrime.securesms.PassphraseRequiredActionBarActivity; import org.thoughtcrime.securesms.RoutingActivity; import org.thoughtcrime.securesms.crypto.MasterSecret; import org.thoughtcrime.securesms.util.DynamicLanguage; import org.thoughtcrime.securesms.util.DynamicTheme; import org.thoughtcrime.securesms.util.MemoryCleaner; import systems.obscure.client.client.Contact; public class ContactsListActivity extends PassphraseRequiredActionBarActivity implements ContactsListFragment.ConversationSelectedListener { private final DynamicTheme dynamicTheme = new DynamicTheme(); private final DynamicLanguage dynamicLanguage = new DynamicLanguage(); private ContactsListFragment fragment; private MasterSecret masterSecret; private ContentObserver observer; @Override public void onCreate(Bundle icicle) { dynamicTheme.onCreate(this); dynamicLanguage.onCreate(this); super.onCreate(icicle); getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP | ActionBar.DISPLAY_SHOW_TITLE); getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_ab_back); setContentView(R.layout.contacts_list_activity); getSupportActionBar().setTitle(R.string.contacts); initializeResources(); initializeContactUpdatesReceiver(); // DirectoryRefreshListener.schedule(this); } @Override public void onPostCreate(Bundle bundle) { super.onPostCreate(bundle); } @Override public void onResume() { super.onResume(); dynamicTheme.onResume(this); dynamicLanguage.onResume(this); } @Override public void onDestroy() { Log.w("ConversationListActivity", "onDestroy..."); MemoryCleaner.clean(masterSecret); if (observer != null) getContentResolver().unregisterContentObserver(observer); super.onDestroy(); } @Override public void onMasterSecretCleared() { this.fragment.setMasterSecret(null); startActivity(new Intent(this, RoutingActivity.class)); super.onMasterSecretCleared(); } @Override public boolean onPrepareOptionsMenu(Menu menu) { MenuInflater inflater = this.getMenuInflater(); menu.clear(); // inflater.inflate(R.menu.text_secure_normal, menu); // menu.findItem(R.id.menu_clear_passphrase).setVisible(!TextSecurePreferences.isPasswordDisabled(this)); if (this.masterSecret != null) { inflater.inflate(R.menu.conversation_list, menu); MenuItem menuItem = menu.findItem(R.id.menu_search); initializeSearch(menuItem); } else { inflater.inflate(R.menu.conversation_list_empty, menu); } super.onPrepareOptionsMenu(menu); return true; } private void initializeSearch(MenuItem searchViewItem) { SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchViewItem); searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() { @Override public boolean onQueryTextSubmit(String query) { if (fragment != null) { fragment.setQueryFilter(query); return true; } return false; } @Override public boolean onQueryTextChange(String newText) { return onQueryTextSubmit(newText); } }); MenuItemCompat.setOnActionExpandListener(searchViewItem, new MenuItemCompat.OnActionExpandListener() { @Override public boolean onMenuItemActionExpand(MenuItem menuItem) { return true; } @Override public boolean onMenuItemActionCollapse(MenuItem menuItem) { if (fragment != null) { fragment.resetQueryFilter(); } return true; } }); } // @Override // public boolean onOptionsItemSelected(MenuItem item) { // super.onOptionsItemSelected(item); // // switch (item.getItemId()) { // case R.id.menu_new_group: createGroup(); return true; // case R.id.menu_settings: handleDisplaySettings(); return true; // case R.id.menu_clear_passphrase: handleClearPassphrase(); return true; // case R.id.menu_mark_all_read: handleMarkAllRead(); return true; // case R.id.menu_import_export: handleImportExport(); return true; // case R.id.menu_my_identity: handleMyIdentity(); return true; // } // // return false; // } @Override public void onCreateConversation(long threadId, Contact recipients, int distributionType) { createConversation(threadId, recipients, distributionType); } // private void createGroup() { //// Intent intent = new Intent(this, MainActivity.class); //// intent.putExtra("master_secret", masterSecret); //// startActivity(intent); // Network.doCreateAccount(); // } private void createConversation(long threadId, Contact recipients, int distributionType) { Intent intent = new Intent(this, NewContactActivity.class); // intent.putExtra(ConversationActivity.RECIPIENTS_EXTRA, recipients.getIds()); // intent.putExtra(ConversationActivity.THREAD_ID_EXTRA, threadId); // intent.putExtra(NewContactActivity.MASTER_SECRET_EXTRA, masterSecret); // intent.putExtra(ConversationActivity.DISTRIBUTION_TYPE_EXTRA, distributionType); // startActivity(intent); } // private void handleDisplaySettings() { // Intent preferencesIntent = new Intent(this, ApplicationPreferencesActivity.class); // preferencesIntent.putExtra("master_secret", masterSecret); // startActivity(preferencesIntent); // } // // private void handleClearPassphrase() { // Intent intent = new Intent(this, KeyCachingService.class); // intent.setAction(KeyCachingService.CLEAR_KEY_ACTION); // startService(intent); // } // private void handleImportExport() { //// final Intent intent = new Intent(this, ImportExportActivity.class); //// intent.putExtra("master_secret", masterSecret); //// startActivity(intent); // } // // private void handleMyIdentity() { // final Intent intent = new Intent(this, ViewLocalIdentityActivity.class); // intent.putExtra("master_secret", masterSecret); // startActivity(intent); // } // // private void handleMarkAllRead() { // new AsyncTask<Void, Void, Void>() { // @Override // protected Void doInBackground(Void... params) { //// DatabaseFactory.getThreadDatabase(ConversationListActivity.this).setAllThreadsRead(); // MessageNotifier.updateNotification(ContactsListActivity.this, masterSecret); // return null; // } // }.execute(); // } private void initializeContactUpdatesReceiver() { observer = new ContentObserver(null) { @Override public void onChange(boolean selfChange) { super.onChange(selfChange); Log.w("ConversationListActivity", "detected android contact data changed, refreshing cache"); // TODO only clear updated recipients from cache // RecipientFactory.clearCache(); // ContactsListActivity.this.runOnUiThread(new Runnable() { // @Override // public void run() { // ((ContactsListFragment)fragment.getListAdapter()).notifyDataSetChanged(); // } // }); } }; getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, observer); } private void initializeResources() { this.masterSecret = getIntent().getParcelableExtra("master_secret"); this.fragment = (ContactsListFragment) this.getSupportFragmentManager() .findFragmentById(R.id.fragment_content); this.fragment.setMasterSecret(masterSecret); } }