Java tutorial
/* * Copyright (C) 2017 CenturyLink, Inc. * * 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.centurylink.mdw.mobile; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.Snackbar; import android.util.Log; import android.view.View; import android.support.design.widget.NavigationView; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.Menu; import android.view.MenuItem; import android.content.Intent; import android.net.Uri; import android.webkit.WebSettings; import android.webkit.WebView; import android.webkit.WebViewClient; import com.centurylink.mdw.mobile.R; import com.centurylink.mdw.mobile.app.BadSettingsException; import com.centurylink.mdw.mobile.app.Settings; import java.net.URL; public class MainActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener { private static final String TAG = MainActivity.class.getSimpleName(); private Settings settings; private Toolbar toolbar; private WebView webView; protected WebView getWebView() { return webView; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close); drawer.setDrawerListener(toggle); toggle.syncState(); NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); navigationView.setNavigationItemSelectedListener(this); settings = new Settings(getApplicationContext()); webView = (WebView) findViewById(R.id.webview); webView.setWebViewClient(new WebViewClient() { public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } }); webView.getSettings().setJavaScriptEnabled(true); webView.getSettings().setAllowUniversalAccessFromFileURLs(true); webView.getSettings().setUseWideViewPort(true); webView.getSettings().setSupportZoom(true); // webView.getSettings().setBuiltInZoomControls(true); // allow debugging with chrome dev tools WebView.setWebContentsDebuggingEnabled(true); // do not cache in debug webView.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE); webView.getSettings().setAppCacheEnabled(false); webView.clearCache(true); } @Override protected void onResume() { super.onResume(); try { URL url = settings.getServerUrl(); Log.i(TAG, "Loading URL: " + url); webView.loadUrl(url.toString()); } catch (BadSettingsException ex) { Log.e(TAG, ex.getMessage(), ex); Snackbar.make(webView, ex.toString(), Snackbar.LENGTH_LONG).show(); } // String url = settings.getServerUrl() + "/#/workflow"; // try { // webView.loadUrl(url); // } catch (Exception ex) { // Log.e(TAG, ex.getMessage(), ex); // Snackbar.make(webView, ex.toString(), Snackbar.LENGTH_LONG).show(); // } } @Override public void onBackPressed() { DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); 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) { startActivity(new Intent(this, SettingsActivity.class)); return true; } return super.onOptionsItemSelected(item); } @SuppressWarnings("StatementWithEmptyBody") @Override public boolean onNavigationItemSelected(MenuItem item) { // Handle navigation view item clicks here. int id = item.getItemId(); String url = "login"; if (id == R.id.nav_workflow) { toolbar.setTitle("MDW: " + getString(R.string.title_workflow)); loadPath("workflow/processes"); } else if (id == R.id.nav_dashboard) { toolbar.setTitle("MDW: " + getString(R.string.title_dashboard)); loadPath("dashboard/processes"); } else if (id == R.id.nav_services) { toolbar.setTitle("MDW: " + getString(R.string.title_services)); loadPath("serviceApi"); } else if (id == R.id.nav_tasks) { toolbar.setTitle("MDW: " + getString(R.string.title_tasks)); loadPath("tasks"); } else if (id == R.id.nav_admin) { toolbar.setTitle("MDW: " + getString(R.string.title_admin)); loadPath("users"); } else if (id == R.id.nav_system) { toolbar.setTitle("MDW: " + getString(R.string.title_system)); loadPath("system/sysInfo"); } DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); drawer.closeDrawer(GravityCompat.START); return true; } private void loadPath(String path) { String url = settings.getServerUrl() + "/#/" + path; Log.i(TAG, "Loading URL: " + url); webView.loadUrl(url); } }