Java tutorial
/* * This is the source code of Telegram for Android v. 3.x.x. * It is licensed under GNU GPL v. 2 or later. * You should have received a copy of the license in this archive (see LICENSE). * * Copyright Nikolai Kudashov, 2013-2016. */ package org.telegram.ui; import android.app.Activity; import android.app.AlertDialog; import android.app.ProgressDialog; import android.content.Context; import android.content.DialogInterface; import android.support.v4.content.ContextCompat; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.FrameLayout; import android.widget.ListView; import org.telegram.messenger.AndroidUtilities; import org.telegram.messenger.ApplicationLoader; import org.telegram.messenger.ContactsController; import org.telegram.messenger.LocaleController; import org.telegram.messenger.MessagesController; import org.telegram.messenger.NotificationCenter; import org.telegram.messenger.FileLog; import org.telegram.messenger.R; import org.telegram.tgnet.ConnectionsManager; import org.telegram.tgnet.RequestDelegate; import org.telegram.tgnet.TLObject; import org.telegram.tgnet.TLRPC; import org.telegram.messenger.UserConfig; import org.telegram.ui.ActionBar.ActionBar; import org.telegram.ui.ActionBar.BaseFragment; import org.telegram.ui.Adapters.BaseFragmentAdapter; import org.telegram.ui.Cells.HeaderCell; import org.telegram.ui.Cells.TextCheckCell; import org.telegram.ui.Cells.TextInfoPrivacyCell; import org.telegram.ui.Cells.TextSettingsCell; import org.telegram.ui.Components.LayoutHelper; import java.util.ArrayList; public class PrivacySettingsActivity extends BaseFragment implements NotificationCenter.NotificationCenterDelegate { private ListAdapter listAdapter; private int privacySectionRow; private int blockedRow; private int lastSeenRow; private int groupsRow; private int groupsDetailRow; private int securitySectionRow; private int sessionsRow; private int passwordRow; private int passcodeRow; private int sessionsDetailRow; private int deleteAccountSectionRow; private int deleteAccountRow; private int deleteAccountDetailRow; private int secretSectionRow; private int secretWebpageRow; private int secretDetailRow; private int rowCount; @Override public boolean onFragmentCreate() { super.onFragmentCreate(); ContactsController.getInstance().loadPrivacySettings(); rowCount = 0; privacySectionRow = rowCount++; blockedRow = rowCount++; lastSeenRow = rowCount++; groupsRow = rowCount++; groupsDetailRow = rowCount++; securitySectionRow = rowCount++; passcodeRow = rowCount++; passwordRow = rowCount++; sessionsRow = rowCount++; sessionsDetailRow = rowCount++; deleteAccountSectionRow = rowCount++; deleteAccountRow = rowCount++; deleteAccountDetailRow = rowCount++; if (MessagesController.getInstance().secretWebpagePreview != 1) { secretSectionRow = rowCount++; secretWebpageRow = rowCount++; secretDetailRow = rowCount++; } else { secretSectionRow = -1; secretWebpageRow = -1; secretDetailRow = -1; } NotificationCenter.getInstance().addObserver(this, NotificationCenter.privacyRulesUpdated); return true; } @Override public void onFragmentDestroy() { super.onFragmentDestroy(); NotificationCenter.getInstance().removeObserver(this, NotificationCenter.privacyRulesUpdated); } @Override public View createView(Context context) { actionBar.setBackButtonImage(R.drawable.ic_ab_back); actionBar.setAllowOverlayTitle(true); actionBar.setTitle(LocaleController.getString("PrivacySettings", R.string.PrivacySettings)); actionBar.setActionBarMenuOnItemClick(new ActionBar.ActionBarMenuOnItemClick() { @Override public void onItemClick(int id) { if (id == -1) { finishFragment(); } } }); listAdapter = new ListAdapter(context); fragmentView = new FrameLayout(context); FrameLayout frameLayout = (FrameLayout) fragmentView; frameLayout.setBackgroundColor(ContextCompat.getColor(context, R.color.settings_background)); ListView listView = new ListView(context); listView.setDivider(null); listView.setDividerHeight(0); listView.setVerticalScrollBarEnabled(false); listView.setDrawSelectorOnTop(true); frameLayout.addView(listView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, LayoutHelper.MATCH_PARENT)); listView.setAdapter(listAdapter); listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> adapterView, View view, final int i, long l) { if (i == blockedRow) { presentFragment(new BlockedUsersActivity()); } else if (i == sessionsRow) { presentFragment(new SessionsActivity()); } else if (i == deleteAccountRow) { if (getParentActivity() == null) { return; } AlertDialog.Builder builder = new AlertDialog.Builder(getParentActivity()); builder.setTitle(LocaleController.getString("DeleteAccountTitle", R.string.DeleteAccountTitle)); builder.setItems( new CharSequence[] { LocaleController.formatPluralString("Months", 1), LocaleController.formatPluralString("Months", 3), LocaleController.formatPluralString("Months", 6), LocaleController.formatPluralString("Years", 1) }, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { int value = 0; if (which == 0) { value = 30; } else if (which == 1) { value = 90; } else if (which == 2) { value = 182; } else if (which == 3) { value = 365; } final ProgressDialog progressDialog = new ProgressDialog(getParentActivity()); progressDialog .setMessage(LocaleController.getString("Loading", R.string.Loading)); progressDialog.setCanceledOnTouchOutside(false); progressDialog.setCancelable(false); progressDialog.show(); final TLRPC.TL_account_setAccountTTL req = new TLRPC.TL_account_setAccountTTL(); req.ttl = new TLRPC.TL_accountDaysTTL(); req.ttl.days = value; ConnectionsManager.getInstance().sendRequest(req, new RequestDelegate() { @Override public void run(final TLObject response, final TLRPC.TL_error error) { AndroidUtilities.runOnUIThread(new Runnable() { @Override public void run() { try { progressDialog.dismiss(); } catch (Exception e) { FileLog.e("tmessages", e); } if (response instanceof TLRPC.TL_boolTrue) { ContactsController.getInstance() .setDeleteAccountTTL(req.ttl.days); listAdapter.notifyDataSetChanged(); } } }); } }); } }); builder.setNegativeButton(LocaleController.getString("Cancel", R.string.Cancel), null); showDialog(builder.create()); } else if (i == lastSeenRow) { presentFragment(new PrivacyControlActivity(false)); } else if (i == groupsRow) { presentFragment(new PrivacyControlActivity(true)); } else if (i == passwordRow) { presentFragment(new TwoStepVerificationActivity(0)); } else if (i == passcodeRow) { if (UserConfig.passcodeHash.length() > 0) { presentFragment(new PasscodeActivity(2)); } else { presentFragment(new PasscodeActivity(0)); } } else if (i == secretWebpageRow) { if (MessagesController.getInstance().secretWebpagePreview == 1) { MessagesController.getInstance().secretWebpagePreview = 0; } else { MessagesController.getInstance().secretWebpagePreview = 1; } ApplicationLoader.applicationContext.getSharedPreferences("mainconfig", Activity.MODE_PRIVATE) .edit().putInt("secretWebpage2", MessagesController.getInstance().secretWebpagePreview) .commit(); if (view instanceof TextCheckCell) { ((TextCheckCell) view) .setChecked(MessagesController.getInstance().secretWebpagePreview == 1); } } } }); return fragmentView; } @Override public void didReceivedNotification(int id, Object... args) { if (id == NotificationCenter.privacyRulesUpdated) { if (listAdapter != null) { listAdapter.notifyDataSetChanged(); } } } private String formatRulesString(boolean isGroup) { ArrayList<TLRPC.PrivacyRule> privacyRules = ContactsController.getInstance().getPrivacyRules(isGroup); if (privacyRules.size() == 0) { return LocaleController.getString("LastSeenNobody", R.string.LastSeenNobody); } int type = -1; int plus = 0; int minus = 0; for (int a = 0; a < privacyRules.size(); a++) { TLRPC.PrivacyRule rule = privacyRules.get(a); if (rule instanceof TLRPC.TL_privacyValueAllowUsers) { plus += rule.users.size(); } else if (rule instanceof TLRPC.TL_privacyValueDisallowUsers) { minus += rule.users.size(); } else if (rule instanceof TLRPC.TL_privacyValueAllowAll) { type = 0; } else if (rule instanceof TLRPC.TL_privacyValueDisallowAll) { type = 1; } else { type = 2; } } if (type == 0 || type == -1 && minus > 0) { if (minus == 0) { return LocaleController.getString("LastSeenEverybody", R.string.LastSeenEverybody); } else { return LocaleController.formatString("LastSeenEverybodyMinus", R.string.LastSeenEverybodyMinus, minus); } } else if (type == 2 || type == -1 && minus > 0 && plus > 0) { if (plus == 0 && minus == 0) { return LocaleController.getString("LastSeenContacts", R.string.LastSeenContacts); } else { if (plus != 0 && minus != 0) { return LocaleController.formatString("LastSeenContactsMinusPlus", R.string.LastSeenContactsMinusPlus, minus, plus); } else if (minus != 0) { return LocaleController.formatString("LastSeenContactsMinus", R.string.LastSeenContactsMinus, minus); } else { return LocaleController.formatString("LastSeenContactsPlus", R.string.LastSeenContactsPlus, plus); } } } else if (type == 1 || plus > 0) { if (plus == 0) { return LocaleController.getString("LastSeenNobody", R.string.LastSeenNobody); } else { return LocaleController.formatString("LastSeenNobodyPlus", R.string.LastSeenNobodyPlus, plus); } } return "unknown"; } @Override public void onResume() { super.onResume(); if (listAdapter != null) { listAdapter.notifyDataSetChanged(); } } private class ListAdapter extends BaseFragmentAdapter { private Context mContext; public ListAdapter(Context context) { mContext = context; } @Override public boolean areAllItemsEnabled() { return false; } @Override public boolean isEnabled(int i) { return i == passcodeRow || i == passwordRow || i == blockedRow || i == sessionsRow || i == secretWebpageRow || i == groupsRow && !ContactsController.getInstance().getLoadingGroupInfo() || i == lastSeenRow && !ContactsController.getInstance().getLoadingLastSeenInfo() || i == deleteAccountRow && !ContactsController.getInstance().getLoadingDeleteInfo(); } @Override public int getCount() { return rowCount; } @Override public Object getItem(int i) { return null; } @Override public long getItemId(int i) { return i; } @Override public boolean hasStableIds() { return false; } @Override public View getView(int i, View view, ViewGroup viewGroup) { int type = getItemViewType(i); if (type == 0) { if (view == null) { view = new TextSettingsCell(mContext); } TextSettingsCell textCell = (TextSettingsCell) view; if (i == blockedRow) { textCell.setText(LocaleController.getString("BlockedUsers", R.string.BlockedUsers), true); } else if (i == sessionsRow) { textCell.setText(LocaleController.getString("SessionsTitle", R.string.SessionsTitle), false); } else if (i == passwordRow) { textCell.setText( LocaleController.getString("TwoStepVerification", R.string.TwoStepVerification), true); } else if (i == passcodeRow) { textCell.setText(LocaleController.getString("Passcode", R.string.Passcode), true); } else if (i == lastSeenRow) { String value; if (ContactsController.getInstance().getLoadingLastSeenInfo()) { value = LocaleController.getString("Loading", R.string.Loading); } else { value = formatRulesString(false); } textCell.setTextAndValue( LocaleController.getString("PrivacyLastSeen", R.string.PrivacyLastSeen), value, true); } else if (i == groupsRow) { String value; if (ContactsController.getInstance().getLoadingGroupInfo()) { value = LocaleController.getString("Loading", R.string.Loading); } else { value = formatRulesString(true); } textCell.setTextAndValue( LocaleController.getString("GroupsAndChannels", R.string.GroupsAndChannels), value, false); } else if (i == deleteAccountRow) { String value; if (ContactsController.getInstance().getLoadingDeleteInfo()) { value = LocaleController.getString("Loading", R.string.Loading); } else { int ttl = ContactsController.getInstance().getDeleteAccountTTL(); if (ttl <= 182) { value = LocaleController.formatPluralString("Months", ttl / 30); } else if (ttl == 365) { value = LocaleController.formatPluralString("Years", ttl / 365); } else { value = LocaleController.formatPluralString("Days", ttl); } } textCell.setTextAndValue( LocaleController.getString("DeleteAccountIfAwayFor", R.string.DeleteAccountIfAwayFor), value, false); } } else if (type == 1) { if (view == null) { view = new TextInfoPrivacyCell(mContext); } if (i == deleteAccountDetailRow) { ((TextInfoPrivacyCell) view) .setText(LocaleController.getString("DeleteAccountHelp", R.string.DeleteAccountHelp)); //view.setBackgroundResource(secretSectionRow == -1 ? R.drawable.greydivider_bottom : R.drawable.greydivider); } else if (i == groupsDetailRow) { ((TextInfoPrivacyCell) view).setText( LocaleController.getString("GroupsAndChannelsHelp", R.string.GroupsAndChannelsHelp)); //view.setBackgroundResource(R.drawable.greydivider); } else if (i == sessionsDetailRow) { ((TextInfoPrivacyCell) view) .setText(LocaleController.getString("SessionsInfo", R.string.SessionsInfo)); //view.setBackgroundResource(R.drawable.greydivider); } else if (i == secretDetailRow) { ((TextInfoPrivacyCell) view).setText(""); //view.setBackgroundResource(R.drawable.greydivider_bottom); } } else if (type == 2) { if (view == null) { view = new HeaderCell(mContext); } if (i == privacySectionRow) { ((HeaderCell) view).setText(LocaleController.getString("PrivacyTitle", R.string.PrivacyTitle)); } else if (i == securitySectionRow) { ((HeaderCell) view) .setText(LocaleController.getString("SecurityTitle", R.string.SecurityTitle)); } else if (i == deleteAccountSectionRow) { ((HeaderCell) view) .setText(LocaleController.getString("DeleteAccountTitle", R.string.DeleteAccountTitle)); } else if (i == secretSectionRow) { ((HeaderCell) view).setText(LocaleController.getString("SecretChat", R.string.SecretChat)); } } else if (type == 3) { if (view == null) { view = new TextCheckCell(mContext); } TextCheckCell textCell = (TextCheckCell) view; if (i == secretWebpageRow) { textCell.setTextAndCheck(LocaleController.getString("SecretWebPage", R.string.SecretWebPage), MessagesController.getInstance().secretWebpagePreview == 1, true); } } return view; } @Override public int getItemViewType(int i) { if (i == lastSeenRow || i == blockedRow || i == deleteAccountRow || i == sessionsRow || i == passwordRow || i == passcodeRow || i == groupsRow) { return 0; } else if (i == deleteAccountDetailRow || i == groupsDetailRow || i == sessionsDetailRow || i == secretDetailRow) { return 1; } else if (i == securitySectionRow || i == deleteAccountSectionRow || i == privacySectionRow || i == secretSectionRow) { return 2; } else if (i == secretWebpageRow) { return 3; } return 0; } @Override public int getViewTypeCount() { return 4; } @Override public boolean isEmpty() { return false; } } }