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MIT License
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/* * OpenKarotz-Android// w w w .ja va 2 s.c o m * http://github.com/hobbe/OpenKarotz-Android * * Copyright (c) 2014 Olivier Bagot (http://github.com/hobbe) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * http://opensource.org/licenses/MIT * */ package com.github.hobbe.android.openkarotz.activity; import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.content.Intent; import android.content.SharedPreferences; import android.content.res.Configuration; import android.content.res.TypedArray; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.v4.app.ActionBarDrawerToggle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentManager.OnBackStackChangedListener; import android.support.v4.app.FragmentTransaction; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ListView; import android.widget.Toast; import com.github.hobbe.android.openkarotz.R; import com.github.hobbe.android.openkarotz.adapter.DrawerListAdapter; import com.github.hobbe.android.openkarotz.fragment.ColorFragment; import com.github.hobbe.android.openkarotz.fragment.EarsFragment; import com.github.hobbe.android.openkarotz.fragment.HomeFragment; import com.github.hobbe.android.openkarotz.fragment.RadioFragment; import com.github.hobbe.android.openkarotz.fragment.SystemFragment; import com.github.hobbe.android.openkarotz.karotz.IKarotz.KarotzStatus; import com.github.hobbe.android.openkarotz.karotz.IKarotz.SoundControlCommand; import com.github.hobbe.android.openkarotz.karotz.Karotz; import com.github.hobbe.android.openkarotz.model.DrawerItem; import com.github.hobbe.android.openkarotz.net.NetUtils; import com.github.hobbe.android.openkarotz.task.GetStatusAsyncTask; import com.github.hobbe.android.openkarotz.task.SoundControlAsyncTask; /** * Main activity. */ public class MainActivity extends FragmentActivity { @Override public void onBackPressed() { FragmentManager fragmentManager = getSupportFragmentManager(); if (fragmentManager != null) { int count = fragmentManager.getBackStackEntryCount(); // Any going back? if (count > 1) { fragmentManager.popBackStack(); return; } } // Else default handling // super.onBackPressed(); finish(); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); // Reload configuration of drawer drawerToggle.onConfigurationChanged(newConfig); } @Override public boolean onCreateOptionsMenu(Menu menu) { boolean result = super.onCreateOptionsMenu(menu); getMenuInflater().inflate(R.menu.main, menu); return result; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Pass the event to ActionBarDrawerToggle, if it returns true, then it has handled the icon touch event if (drawerToggle.onOptionsItemSelected(item)) { return true; } // Handle other action bar items... switch (item.getItemId()) { case R.id.action_sound_stop: doActionStopSound(); return true; case R.id.action_settings: doActionSettings(); return true; case R.id.action_about: doActionAbout(); return true; default: break; } return super.onOptionsItemSelected(item); } /* Called whenever we call invalidateOptionsMenu() */ @Override public boolean onPrepareOptionsMenu(Menu menu) { // If the navigation drawer is open, hide action items related to the content view boolean drawerOpen = drawerLayout.isDrawerOpen(drawerList); menu.findItem(R.id.action_sound_stop).setVisible(!drawerOpen); menu.findItem(R.id.action_settings).setVisible(!drawerOpen); menu.findItem(R.id.action_about).setVisible(!drawerOpen); return super.onPrepareOptionsMenu(menu); } @Override public void setTitle(CharSequence title) { appTitle = title; getActionBar().setTitle(title); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); switch (requestCode) { case RESULT_SETTINGS: // Nothing to do break; default: break; } } @Override protected void onCreate(Bundle savedInstanceState) { Log.v(LOG_TAG, "onCreate, bundle: " + savedInstanceState); super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); FragmentManager fragmentManager = getSupportFragmentManager(); if (fragmentManager != null) { fragmentManager.addOnBackStackChangedListener(new BackStackChangedListener()); } appTitle = drawerTitle = getTitle(); pageTitles = getResources().getStringArray(R.array.pages); initializeDrawer(); initializeActionBar(); if (savedInstanceState == null) { // Select first page (Home) selectDrawerItem(0); } } @Override protected void onPostCreate(Bundle savedInstanceState) { Log.v(LOG_TAG, "onPostCreate, bundle: " + savedInstanceState); super.onPostCreate(savedInstanceState); // Sync the toggle state after onRestoreInstanceState has occurred. drawerToggle.syncState(); if (savedInstanceState == null) { // Disable all fields disableFields(); // Check network connection if (NetUtils.isNetworkConnectionAvailable(this)) { // Set up Karotz instance initializeKarotz(); GetStatusTask task = new GetStatusTask(this); task.execute(); } else { Toast.makeText(MainActivity.this, getString(R.string.err_no_connection), Toast.LENGTH_LONG).show(); } } } /** * Disable fields. */ private void disableFields() { setFieldsEnabled(false); } private void doActionAbout() { Toast.makeText(MainActivity.this, getString(R.string.version) + " " + getVersion(), Toast.LENGTH_LONG).show(); } private void doActionSettings() { Log.d(LOG_TAG, "Launching settings activity..."); Intent i = new Intent(this, SettingsActivity.class); startActivityForResult(i, RESULT_SETTINGS); } private void doActionStopSound() { new SoundControlAsyncTask(this, SoundControlCommand.STOP).execute(); } /** * Enable fields. */ private void enableFields() { setFieldsEnabled(true); } private Fragment getColorFragment() { if (colorFragment == null) { colorFragment = new ColorFragment(); Bundle args = new Bundle(); args.putInt(ARG_PAGE_NUMBER, PAGE_COLOR); args.putString(ARG_PAGE_TITLE, pageTitles[PAGE_COLOR]); colorFragment.setArguments(args); } return colorFragment; } private Fragment getEarsFragment() { if (earsFragment == null) { earsFragment = new EarsFragment(); Bundle args = new Bundle(); args.putInt(ARG_PAGE_NUMBER, PAGE_EARS); args.putString(ARG_PAGE_TITLE, pageTitles[PAGE_EARS]); earsFragment.setArguments(args); } return earsFragment; } private Fragment getHomeFragment() { if (homeFragment == null) { homeFragment = new HomeFragment(); Bundle args = new Bundle(); args.putInt(ARG_PAGE_NUMBER, PAGE_HOME); args.putString(ARG_PAGE_TITLE, pageTitles[PAGE_HOME]); homeFragment.setArguments(args); } return homeFragment; } private String getPrefKarotzHost() { SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); String h = prefs.getString(SettingsActivity.KEY_PREF_KAROTZ_HOST, null); if (h != null && h.length() <= 0) { h = null; } return h; } private Fragment getRadioFragment() { if (radioFragment == null) { radioFragment = new RadioFragment(); Bundle args = new Bundle(); args.putInt(ARG_PAGE_NUMBER, PAGE_RADIO); args.putString(ARG_PAGE_TITLE, pageTitles[PAGE_RADIO]); radioFragment.setArguments(args); } return radioFragment; } private Fragment getSystemFragment() { if (systemFragment == null) { systemFragment = new SystemFragment(); Bundle args = new Bundle(); args.putInt(ARG_PAGE_NUMBER, PAGE_SYSTEM); args.putString(ARG_PAGE_TITLE, pageTitles[PAGE_SYSTEM]); systemFragment.setArguments(args); } return systemFragment; } private String getVersion() { String versionName = "0.0"; try { versionName = getPackageManager().getPackageInfo(getPackageName(), 0).versionName; } catch (Exception e) { Log.e(LOG_TAG, "Cannot version.name from package manager: " + e.getMessage(), e); } return versionName; } private Fragment getVisibleFragment() { FragmentManager fragmentManager = getSupportFragmentManager(); List<android.support.v4.app.Fragment> fragments = fragmentManager.getFragments(); for (Fragment fragment : fragments) { if (fragment != null && fragment.isVisible()) { return fragment; } } return null; } private void initializeActionBar() { // Enabling Home button getActionBar().setHomeButtonEnabled(true); // Enabling Up navigation getActionBar().setDisplayHomeAsUpEnabled(true); } /** * Put everything in place to provide the drawer: drawer layout, drawer toggle and drawer list. */ private void initializeDrawer() { drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); drawerList = (ListView) findViewById(R.id.drawer_list); drawerToggle = new DrawerToggle(this, drawerLayout, R.drawable.ic_drawer, R.string.drawer_open, R.string.drawer_close); // Set the drawer shadow drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START); // Set the drawer toggle as the DrawerListener drawerLayout.setDrawerListener(drawerToggle); // Load page icons from resources TypedArray menuIcons = getResources().obtainTypedArray(R.array.pages_icons); // Create a drawer item per page ArrayList<DrawerItem> drawerItems = new ArrayList<DrawerItem>(); for (int i = 0; i < pageTitles.length; i++) { drawerItems.add(new DrawerItem(pageTitles[i], menuIcons.getResourceId(i, -1))); } // Recycle the typed array menuIcons.recycle(); // Creating the adapter to add items to the drawer list view DrawerListAdapter adapter = new DrawerListAdapter(getApplicationContext(), drawerItems); // Setting the adapter on drawerList drawerList.setAdapter(adapter); // Setting item click listener for the drawer list view drawerList.setOnItemClickListener(new DrawerItemClickListener()); } private void initializeKarotz() { Log.d(LOG_TAG, "Initializing Karotz..."); String hostname = getPrefKarotzHost(); if (hostname == null) { Log.d(LOG_TAG, "Preference Karotz Host not set"); doActionSettings(); } Karotz.initialize(hostname); } private void selectDrawerItem(int position) { Log.v(LOG_TAG, "selectDrawerItem #" + position); // Create a new fragment based on position Fragment fragment = null; boolean allowBack = false; String tag = pageTitles[position]; FragmentManager fragmentManager = getSupportFragmentManager(); FragmentTransaction transaction = fragmentManager.beginTransaction(); fragment = fragmentManager.findFragmentByTag(tag); switch (position) { case PAGE_HOME: if (fragment == null) { fragment = getHomeFragment(); } allowBack = true; break; case PAGE_RADIO: if (fragment == null) { fragment = getRadioFragment(); } allowBack = true; break; case PAGE_COLOR: if (fragment == null) { fragment = getColorFragment(); } allowBack = true; break; case PAGE_EARS: if (fragment == null) { fragment = getEarsFragment(); } allowBack = true; break; case PAGE_SYSTEM: if (fragment == null) { fragment = getSystemFragment(); } allowBack = true; break; default: break; } // Insert the fragment by replacing any existing fragment transaction.replace(R.id.content_frame, fragment, tag); // Add transaction to back stack if (allowBack) { transaction.addToBackStack(null); } // Commit transaction.commit(); // Set selected item in drawer updateDrawerSelection(position); // Close the drawer drawerLayout.closeDrawer(drawerList); } private void setFieldsEnabled(boolean enabled) { drawerList.setEnabled(enabled); } private void updateDrawerSelection(Fragment fragment) { if (fragment != null) { // Fetch the selected page number int position = fragment.getArguments().getInt(MainActivity.ARG_PAGE_NUMBER); updateDrawerSelection(position); } } private void updateDrawerSelection(int position) { // Highlight the selected item drawerList.setItemChecked(position, true); // Update the title setTitle(pageTitles[position]); } private class BackStackChangedListener implements OnBackStackChangedListener { @Override public void onBackStackChanged() { FragmentManager manager = getSupportFragmentManager(); if (manager != null) { updateDrawerSelection(getVisibleFragment()); } } } /** * Click listener for drawer item. */ private final class DrawerItemClickListener implements OnItemClickListener { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { selectDrawerItem(position); } } private final class DrawerToggle extends ActionBarDrawerToggle { /** * Create the drawer toggle. * @param activity the associated activity * @param layout the drawer layout * @param imageRes the drawer image * @param openDescRes the drawer description for open state * @param closeDescRes the drawer description for closed state */ public DrawerToggle(Activity activity, DrawerLayout layout, int imageRes, int openDescRes, int closeDescRes) { super(activity, layout, imageRes, openDescRes, closeDescRes); } /* * Called when a drawer has settled in a completely closed state. */ @Override public void onDrawerClosed(View drawer) { super.onDrawerClosed(drawer); getActionBar().setTitle(appTitle); invalidateOptionsMenu(); } /* * Called when a drawer has settled in a completely open state. */ @Override public void onDrawerOpened(View drawer) { super.onDrawerOpened(drawer); getActionBar().setTitle(drawerTitle); invalidateOptionsMenu(); } } private class GetStatusTask extends GetStatusAsyncTask { public GetStatusTask(Activity activity) { super(activity); } @Override public void onPostExecute(Object result) { super.onPostExecute(result); KarotzStatus status = (KarotzStatus) result; // Check Karotz status if (status != null && status.isOnline()) { // Enable fields if Karotz is online enableFields(); } else { Toast.makeText(getActivity(), getActivity().getString(R.string.err_cannot_connect), Toast.LENGTH_LONG).show(); } } } private CharSequence appTitle = null; private CharSequence drawerTitle = null; private String[] pageTitles = null; private DrawerLayout drawerLayout = null; private ListView drawerList = null; private ActionBarDrawerToggle drawerToggle = null; private Fragment homeFragment; private Fragment radioFragment; private Fragment colorFragment; private Fragment earsFragment; private Fragment systemFragment; // Activity settings private static final int RESULT_SETTINGS = 1; /** * Page number argument. */ public static final String ARG_PAGE_NUMBER = "position"; /** * Page title argument. */ public static final String ARG_PAGE_TITLE = "title"; // Drawer pages private static final int PAGE_HOME = 0; private static final int PAGE_RADIO = 1; private static final int PAGE_COLOR = 2; private static final int PAGE_EARS = 3; private static final int PAGE_SYSTEM = 4; // Log tag private static final String LOG_TAG = MainActivity.class.getSimpleName(); }