Java tutorial
/* * Copyright 2013 The Android Open Source Project * * 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.free.underground; import java.util.Map; import org.json.JSONArray; import org.json.JSONException; import com.free.underground.R; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentActivity; import android.app.SearchManager; import android.content.Intent; import android.content.res.Configuration; import android.os.Bundle; import android.support.v4.app.ActionBarDrawerToggle; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.util.DisplayMetrics; import android.util.Log; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Toast; public class MainActivity extends FragmentActivity { private DrawerLayout mDrawerLayout; private ListView mDrawerList; private ActionBarDrawerToggle mDrawerToggle; private CharSequence mDrawerTitle; private CharSequence mTitle; private String[] mMenuTitles; public Map<String, Object> categories; public JSONArray data; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Log.i("mycode", "MainActivity onCreate"); //loadCategories(); mTitle = mDrawerTitle = getTitle(); mMenuTitles = getResources().getStringArray(R.array.menu_array); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mDrawerList = (ListView) findViewById(R.id.left_drawer); mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START); mDrawerList.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_list_item, mMenuTitles)); mDrawerList.setOnItemClickListener(new DrawerItemClickListener()); getActionBar().setDisplayHomeAsUpEnabled(true); getActionBar().setHomeButtonEnabled(true); mDrawerToggle = new ActionBarDrawerToggle(this, /* host Activity */ mDrawerLayout, /* DrawerLayout object */ R.drawable.ic_drawer, /* nav drawer image to replace 'Up' caret */ R.string.drawer_open, /* "open drawer" description for accessibility */ R.string.drawer_close /* "close drawer" description for accessibility */ ) { public void onDrawerClosed(View view) { getActionBar().setTitle(mTitle); invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu() } public void onDrawerOpened(View drawerView) { getActionBar().setTitle(mDrawerTitle); invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu() } }; mDrawerLayout.setDrawerListener(mDrawerToggle); if (savedInstanceState == null) { Log.i("mycode", "MainActivity selectItem"); selectItem(0); } DisplayMetrics metrics = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(metrics); int width = metrics.widthPixels; Log.i("mycode", "width " + width); } void saveAccount() { } void readAccount() { } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.main, menu); return super.onCreateOptionsMenu(menu); } @Override public boolean onPrepareOptionsMenu(Menu menu) { boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList); menu.findItem(R.id.action_websearch).setVisible(!drawerOpen); return super.onPrepareOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { if (mDrawerToggle.onOptionsItemSelected(item)) { return true; } // Handle action buttons switch (item.getItemId()) { case R.id.action_websearch: Intent intent = new Intent(Intent.ACTION_WEB_SEARCH); intent.putExtra(SearchManager.QUERY, getActionBar().getTitle()); if (intent.resolveActivity(getPackageManager()) != null) { startActivity(intent); } else { Toast.makeText(this, R.string.app_not_available, Toast.LENGTH_LONG).show(); } return true; default: return super.onOptionsItemSelected(item); } } private class DrawerItemClickListener implements ListView.OnItemClickListener { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { selectItem(position); } } private void selectItem(int position) { FragmentManager fragmentManager = getSupportFragmentManager(); if (position == 0) { WebFragment webview = new WebFragment(); fragmentManager.beginTransaction().replace(R.id.content_frame, webview).commit(); webview.init("http://app.freeundergroundtekno.org/"); } else if (position == 1) { WebFragment webview = new WebFragment(); fragmentManager.beginTransaction().replace(R.id.content_frame, webview).commit(); webview.init("http://app.freeundergroundtekno.org/soundcloud.html"); } else if (position == 2) { WebFragment webview = new WebFragment(); fragmentManager.beginTransaction().replace(R.id.content_frame, webview).commit(); webview.init("https://m.youtube.com/user/INTONARUMORI2007"); } else if (position == 3) { WebFragment webview = new WebFragment(); fragmentManager.beginTransaction().replace(R.id.content_frame, webview).commit(); webview.init("https://www.facebook.com/Free.Underground.Tekno.Radio"); } else if (position == 4) { WebFragment webview = new WebFragment(); fragmentManager.beginTransaction().replace(R.id.content_frame, webview).commit(); webview.init("https://twitter.com/freetekno23"); } else if (position == 5) { WebFragment webview = new WebFragment(); fragmentManager.beginTransaction().replace(R.id.content_frame, webview).commit(); webview.init("http://app.freeundergroundtekno.org/livestream.html"); } else { ; } mDrawerList.setItemChecked(position, true); mDrawerLayout.closeDrawer(mDrawerList); } public void showDetail(long id) { FragmentManager fragmentManager = getSupportFragmentManager(); DetailForm detailform = new DetailForm(); fragmentManager.beginTransaction().add(R.id.content_frame, detailform).addToBackStack(null).commit(); } @Override public void setTitle(CharSequence title) { mTitle = title; getActionBar().setTitle(mTitle); } @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); mDrawerToggle.syncState(); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); mDrawerToggle.onConfigurationChanged(newConfig); } public void postData() throws JSONException { } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { } }