Java tutorial
/* * Copyright (c) 2016, Sergey Penkovsky <sergey.penkovsky@gmail.com> * * This file is part of Erlymon Monitor. * * Erlymon Monitor 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. * * Erlymon Monitor 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 Erlymon Monitor. If not, see <http://www.gnu.org/licenses/>. */ package org.erlymon.monitor.ui.activity; import android.content.SharedPreferences; import android.os.Bundle; import android.support.design.widget.NavigationView; import android.support.v4.app.Fragment; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AlertDialog; import android.support.v7.widget.Toolbar; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.FrameLayout; import android.widget.LinearLayout; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; import com.arellomobile.mvp.MvpAppCompatActivity; import com.arellomobile.mvp.presenter.InjectPresenter; import com.squareup.otto.Bus; import org.erlymon.monitor.MainApp; import org.erlymon.monitor.R; import org.erlymon.monitor.Screens; import org.erlymon.monitor.mvp.model.Server; import org.erlymon.monitor.mvp.model.User; import org.erlymon.monitor.mvp.presenter.CheckSessionPresenter; import org.erlymon.monitor.mvp.presenter.GetServerPresenter; import org.erlymon.monitor.mvp.presenter.SignOutPresenter; import org.erlymon.monitor.mvp.view.CheckSessionView; import org.erlymon.monitor.mvp.view.GetServerView; import org.erlymon.monitor.mvp.view.SignOutView; import org.erlymon.monitor.ui.fragment.AboutFragment; import org.erlymon.monitor.ui.fragment.DeviceFragment; import org.erlymon.monitor.ui.fragment.DevicesFragment; import org.erlymon.monitor.ui.fragment.MapFragment; import org.erlymon.monitor.ui.fragment.PermissionsFragment; import org.erlymon.monitor.ui.fragment.ReportFragment; import org.erlymon.monitor.ui.fragment.ServerFragment; import org.erlymon.monitor.ui.fragment.SignInFragment; import org.erlymon.monitor.ui.fragment.SignUpFragment; import org.erlymon.monitor.ui.fragment.UserFragment; import org.erlymon.monitor.ui.fragment.UsersFragment; import org.osmdroid.tileprovider.tilesource.bing.BingMapTileSource; import javax.inject.Inject; import butterknife.BindView; import butterknife.ButterKnife; import ru.terrakok.cicerone.Navigator; import ru.terrakok.cicerone.NavigatorHolder; import ru.terrakok.cicerone.Router; import ru.terrakok.cicerone.android.SupportFragmentNavigator; import timber.log.Timber; public class MainActivity extends MvpAppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, SignInFragment.OnViewListener, GetServerView, CheckSessionView, SignOutView { @BindView(R.id.toolbar) Toolbar mToolbar; @BindView(R.id.progress) ProgressBar mProgress; @BindView(R.id.container) FrameLayout mContainer; @BindView(R.id.drawer_layout) DrawerLayout drawer; @BindView(R.id.nav_view) NavigationView navigationView; TextView mLabelName; TextView mLabelEmail; @InjectPresenter GetServerPresenter mGetServerPresenter; @InjectPresenter CheckSessionPresenter mCheckSessionPresenter; @InjectPresenter SignOutPresenter mSignOutPresenter; @Inject NavigatorHolder navigatorHolder; @Inject Router router; @Inject SharedPreferences sharedPreferences; @Inject Bus bus; private AlertDialog mErrorDialog; @Override protected void onCreate(Bundle savedInstanceState) { MainApp.getAppComponent().inject(this); super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ButterKnife.bind(this); setSupportActionBar(mToolbar); LinearLayout linearLayout = (LinearLayout) navigationView.getHeaderView(0); mLabelName = (TextView) linearLayout.getChildAt(1); mLabelEmail = (TextView) linearLayout.getChildAt(2); ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, mToolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close); drawer.addDrawerListener(toggle); toggle.syncState(); navigationView.setNavigationItemSelectedListener(this); navigatorHolder.setNavigator(navigator); mGetServerPresenter.getServer(); Timber.d("CURRENT USER: " + getIntent().getParcelableExtra("session")); } @Override public void onResume() { super.onResume(); bus.register(this); } @Override public void onPause() { bus.unregister(this); super.onPause(); } @Override protected void onDestroy() { navigatorHolder.removeNavigator(); super.onDestroy(); } @Override public void onBackPressed() { if (drawer.isDrawerOpen(GravityCompat.START)) { drawer.closeDrawer(GravityCompat.START); } else { super.onBackPressed(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } @SuppressWarnings("StatementWithEmptyBody") @Override public boolean onNavigationItemSelected(MenuItem item) { // Handle navigation view item clicks here. User session = getIntent().getParcelableExtra("session"); Server server = getIntent().getParcelableExtra("server"); Bundle args = new Bundle(); args.putParcelable("session", session); args.putParcelable("server", server); switch (item.getItemId()) { case R.id.nav_map: router.newRootScreen(Screens.MAP_SCREEN, args); break; case R.id.nav_devices: router.newRootScreen(Screens.DEVICES_SCREEN, args); break; case R.id.nav_users: router.newRootScreen(Screens.USERS_SCREEN, args); break; case R.id.nav_server: router.navigateTo(Screens.SERVER_SCREEN, args); break; case R.id.nav_account: args.putLong("userId", session.getId()); router.navigateTo(Screens.USER_SCREEN, args); break; case R.id.nav_about: router.navigateTo(Screens.ABOUT_SCREEN); break; case R.id.nav_sign_out: mSignOutPresenter.signOut(); break; } drawer.closeDrawer(GravityCompat.START); return true; } private Navigator navigator = new SupportFragmentNavigator(getSupportFragmentManager(), R.id.container) { @Override protected Fragment createFragment(String screenKey, Object data) { switch (screenKey) { case Screens.SIGN_IN_SCREEN: return SignInFragment.getNewInstance(data); case Screens.SIGN_UP_SCREEN: return SignUpFragment.getNewInstance(data); case Screens.MAP_SCREEN: return MapFragment.getNewInstance((Bundle) data); case Screens.DEVICES_SCREEN: return DevicesFragment.getNewInstance((Bundle) data); case Screens.USERS_SCREEN: return UsersFragment.getNewInstance((Bundle) data); case Screens.SERVER_SCREEN: return ServerFragment.getNewInstance((Bundle) data); case Screens.USER_SCREEN: return UserFragment.getNewInstance((Bundle) data); case Screens.DEVICE_SCREEN: return DeviceFragment.getNewInstance((Bundle) data); case Screens.PERMISSIONS_SCREEN: return PermissionsFragment.getNewInstance((Bundle) data); case Screens.REPORT_SCREEN: return ReportFragment.getNewInstance((Bundle) data); case Screens.ABOUT_SCREEN: return AboutFragment.getNewInstance(data); default: throw new RuntimeException("Unknown screen key!"); } } @Override protected void showSystemMessage(String message) { Toast.makeText(MainActivity.this, message, Toast.LENGTH_SHORT).show(); } @Override protected void exit() { finish(); } }; private void toggleProgressVisibility(final boolean show) { mProgress.setVisibility(show ? View.VISIBLE : View.GONE); mContainer.setVisibility(show ? View.GONE : View.VISIBLE); } @Override public void startCheckSession() { toggleProgressVisibility(true); } @Override public void finishCheckSession() { toggleProgressVisibility(false); } @Override public void failedCheckSession(String message) { mToolbar.setVisibility(View.GONE); router.newRootScreen(Screens.SIGN_IN_SCREEN); } @Override public void startSignOut() { toggleProgressVisibility(true); } @Override public void finishSignOut() { toggleProgressVisibility(false); } @Override public void startGetServer() { toggleProgressVisibility(true); } @Override public void finishGetServer() { toggleProgressVisibility(false); } @Override public void failedGetServer(String message) { mErrorDialog = new AlertDialog.Builder(this).setTitle(R.string.app_name).setMessage(message) .setOnCancelListener(dialog -> mGetServerPresenter.onErrorCancel()).show(); router.newRootScreen(Screens.SIGN_IN_SCREEN); } @Override public void hideError() { if (mErrorDialog != null && mErrorDialog.isShowing()) { mErrorDialog.cancel(); } } @Override public void successGetServer(Server server) { getIntent().putExtra("server", server); BingMapTileSource.setBingKey(server.getBingKey()); mCheckSessionPresenter.check(); } @Override public void successSignOut() { sharedPreferences.edit().putLong("userId", -1).putBoolean("save", false).putString("email", "") .putString("password", "").apply(); mToolbar.setVisibility(View.GONE); router.newRootScreen(Screens.SIGN_IN_SCREEN); } @Override public void successCheckSession(User user) { Timber.d("successCheckSession"); successSignIn(user); } @Override public void successSignIn(User user) { getIntent().putExtra("session", user); mToolbar.setVisibility(View.VISIBLE); mLabelName.setText(user.getName()); mLabelEmail.setText(user.getEmail()); navigationView.getMenu().findItem(R.id.nav_users).setVisible(user.getAdmin()); navigationView.getMenu().findItem(R.id.nav_server).setVisible(user.getAdmin()); router.newRootScreen(Screens.MAP_SCREEN); } }