Java tutorial
//Copyright (c) Microsoft Corporation All rights reserved. // //MIT License: // //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. package com.microsoft.band.sdksample; import java.util.ArrayList; import java.util.List; import java.util.Locale; import android.app.ActionBar; import android.app.FragmentTransaction; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.view.Menu; import android.view.MenuItem; public class MainActivity extends FragmentActivity implements ActionBar.TabListener { /** * The {@link android.support.v4.view.PagerAdapter} that will provide * fragments for each of the sections. We use a {@link FragmentPagerAdapter} * derivative, which will keep every loaded fragment in memory. If this * becomes too memory intensive, it may be best to switch to a * {@link android.support.v13.app.FragmentStatePagerAdapter}. */ SectionsPagerAdapter mSectionsPagerAdapter; /** * The {@link ViewPager} that will host the section contents. */ ViewPager mViewPager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Set up the action bar. final ActionBar actionBar = getActionBar(); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); // Create the adapter that will return a fragment for each of the three // primary sections of the activity. mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager()); // Set up the ViewPager with the sections adapter. mViewPager = (ViewPager) findViewById(R.id.pager); mViewPager.setAdapter(mSectionsPagerAdapter); // When swiping between different sections, select the corresponding // tab. We can also use ActionBar.Tab#select() to do this if we have // a reference to the Tab. mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { @Override public void onPageSelected(int position) { actionBar.setSelectedNavigationItem(position); } }); // For each of the sections in the app, add a tab to the action bar. for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) { // Create a tab with text corresponding to the page title defined by // the adapter. Also specify this Activity object, which implements // the TabListener interface, as the callback (listener) for when // this tab is selected. actionBar .addTab(actionBar.newTab().setText(mSectionsPagerAdapter.getPageTitle(i)).setTabListener(this)); } } @Override public void onDestroy() { try { if (Model.getInstance().isConnected()) { Model.getInstance().getClient().disconnect().await(); } } catch (Exception e) { // ignore failures here } finally { Model.getInstance().setClient(null); } super.onPause(); } @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(); if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } @Override public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) { // When the given tab is selected, switch to the corresponding page in // the ViewPager. int pos = tab.getPosition(); mViewPager.setCurrentItem(pos); Fragment fragment = ((FragmentPagerAdapter) mViewPager.getAdapter()).getItem(pos); if (fragment instanceof FragmentListener) { ((FragmentListener) fragment).onFragmentSelected(); } } @Override public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) { } @Override public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) { } /** * A {@link FragmentPagerAdapter} that returns a fragment corresponding to * one of the sections/tabs/pages. */ public class SectionsPagerAdapter extends FragmentPagerAdapter { private List<Fragment> mFragments; public SectionsPagerAdapter(FragmentManager fragmentManager) { super(fragmentManager); mFragments = new ArrayList<Fragment>(); mFragments.add(new BasicsFragment()); mFragments.add(new ThemeFragment()); mFragments.add(new TilesFragment()); mFragments.add(new SensorsFragment()); } @Override public Fragment getItem(int position) { return mFragments.get(position); } @Override public int getCount() { // Show 4 total pages. return 4; } @Override public CharSequence getPageTitle(int position) { Locale l = Locale.getDefault(); switch (position) { case 0: return getString(R.string.title_basics_section).toUpperCase(l); case 1: return getString(R.string.title_theme_section).toUpperCase(l); case 2: return getString(R.string.title_tiles_section).toUpperCase(l); case 3: return getString(R.string.title_sensors_section).toUpperCase(l); } return null; } } }