Android Open Source - sami-android-demo Sami Activity

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License

The source code is released under:
Apache License
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Java Source Code

package io.samsungsami.androidclient;
//from www .j ava2  s.c  o  m
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Locale;

import com.samihub.androidclient.R;

import io.samsungsami.model.Device;
import io.samsungsami.model.DeviceArray;
import io.samsungsami.model.DevicesEnvelope;
import io.samsungsami.model.User;
import io.samsungsami.android.Sami;
import io.samsungsami.android.SamiClient;
import io.samsungsami.android.SamiStack;
import io.samsungsami.android.api.Call;
import io.samsungsami.android.api.Callback;
import io.samsungsami.android.api.Code;
import io.samsungsami.client.ApiException;
import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.support.v13.app.FragmentPagerAdapter;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.TextView;

public class SamiActivity extends Activity implements ActionBar.TabListener, SamiClient {
  public static final int SECTION_USER_SELF = 1;
  public static final int SECTION_DEVICES = 2;
  public static final int SECTION_LOGOUT = 3;
  static SamiActivity instance;
  Sami sami;
  
  // User information
  static TextView txtUid;
  static TextView txtName;
  static TextView txtEmail;
  static TextView txtFullName;
  static TextView txtModified;
  static TextView txtCreated;
  
  // Devices list
  static GenericAdapter devicesAdapter;
  static ListView devicesListView; 

  /**
   * 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);
    instance = this;
    setContentView(R.layout.activity_sami);

    // 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(getFragmentManager());

    // 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 boolean onCreateOptionsMenu(Menu menu) {

    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.sami, 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) {
      Intent intent = new Intent (this, RegisterActivity.class);
      startActivity(intent);
      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.
    mViewPager.setCurrentItem(tab.getPosition());
    int section = tab.getPosition()+1;
    switch (section) {
    case SECTION_LOGOUT:
      sami.deleteCredentials();
      finish();
      break;
    case SECTION_DEVICES:
      setDevicesListAdapter();
      break;
    case SECTION_USER_SELF:
      
      break;
    default:
      break;
    }
    
  }

  @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 {

    public SectionsPagerAdapter(FragmentManager fm) {
      super(fm);
    }

    @Override
    public Fragment getItem(int position) {
      // getItem is called to instantiate the fragment for the given page.
      // Return a PlaceholderFragment (defined as a static inner class
      // below).
      return PlaceholderFragment.newInstance(position + 1);
    }

    @Override
    public int getCount() {
      // Show 3 total pages.
      return 3;
    }

    @Override
    public CharSequence getPageTitle(int position) {
      Locale l = Locale.getDefault();
      switch (position) {
      case 0:
        return getString(R.string.title_section1).toUpperCase(l);
      case 1:
        return getString(R.string.title_section2).toUpperCase(l);
      case 2:
        return getString(R.string.title_section3).toUpperCase(l);
      }
      return null;
    }
  }

  /**
   * A placeholder fragment containing a simple view.
   */
  public static class PlaceholderFragment extends Fragment {
    /**
     * The fragment argument representing the section number for this
     * fragment.
     */
    private static final String ARG_SECTION_NUMBER = "section_number";

    /**
     * Returns a new instance of this fragment for the given section number.
     */
    public static PlaceholderFragment newInstance(int sectionNumber) {
      PlaceholderFragment fragment = new PlaceholderFragment();
      Bundle args = new Bundle();
      args.putInt(ARG_SECTION_NUMBER, sectionNumber);
      fragment.setArguments(args);
      return fragment;
    }

    public PlaceholderFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView;
      int section = getArguments().getInt(
          ARG_SECTION_NUMBER);
      
      if(SECTION_USER_SELF == section ){
        rootView = inflater.inflate(R.layout.fragment_user_self, container,
            false);
        
        txtUid = (TextView) rootView.findViewById(R.id.uid);
        txtName = (TextView) rootView.findViewById(R.id.name);
        txtFullName = (TextView) rootView.findViewById(R.id.fullName);
        txtEmail = (TextView) rootView.findViewById(R.id.email);
        txtCreated = (TextView) rootView.findViewById(R.id.created);
        txtModified = (TextView) rootView.findViewById(R.id.modified);
        
        instance.refreshUserData();
      } else if(SECTION_DEVICES == section ){
        rootView = inflater.inflate(R.layout.fragment_devices, container,
            false);
        
        devicesListView = (ListView) rootView
            .findViewById(R.id.listViewDevices);
        
        devicesListView.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view,
              int position, long id) {
            String did = ((TextView) view.findViewById(R.id.label)).getText().toString();
            String dtid = ((TextView) view.findViewById(R.id.value)).getText().toString();
              Intent intent = new Intent(instance, DevicesActivity.class);
              intent.putExtra("did", did);
              intent.putExtra("dtid", dtid);
              startActivity(intent);
            }
          }); 
        
      } else {
        rootView = inflater.inflate(R.layout.fragment_sami, container,
            false);
        
        TextView textView = (TextView) rootView
            .findViewById(R.id.section_label);
        textView.setText(R.string.title_section3);
      }
      return rootView;
    }
  }
  
   
  @Override
  protected void onResume() {
    super.onResume();
    initSami();
  }
  
  /**
   * Passes the context to SAMI wrapper
   */
  void initSami(){
    sami = Sami.setInstance(this, new SamiStack(Config.APP_ID, Config.REDIRECT_URI));
  } 
  
  /**
   * After a login or users/self call, refresh the data on UI
   */
  void refreshUserData(){
    if(!sami.hasValidToken() || sami.getUser() == null){
      sami.login();
    } else {
      User user = sami.getUser();
      txtUid.setText(user.getId());
      txtName.setText(user.getName());
      txtFullName.setText(user.getFullName());
      txtEmail.setText(user.getEmail());
      String createdOn = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss.SSSZ").format(new Date(user.getCreatedOn().longValue()));
      txtCreated.setText(createdOn);
      String modifiedOn = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss.SSSZ").format(new Date(user.getModifiedOn().longValue()));
      txtModified.setText(modifiedOn);
      
      getDevicesIntoAdapter();
    }
  }
  
  /**
   * Passes the device data adapter to the list view on UI
   */
  public void setDevicesListAdapter(){
    if(devicesListView != null){
      devicesListView.setAdapter(devicesAdapter);
    }
  }
  
  /**
   * Populates the devices adapter with data comming from SAMI
   */
  public void getDevicesIntoAdapter(){
    
    new Call(new Code() {
      
      @Override
      public Object run() {
        DeviceArray deviceArray = null;
          try {
            DevicesEnvelope devicesEnvelope = sami.getUsersApi()
                .getUserDevices(0, 100, false, sami.getCredentials().getId());
            deviceArray = devicesEnvelope.getData();
          } catch (ApiException e) {
            e.printStackTrace();
          }
          return deviceArray;
      }
    }, new Callback() {
      
      @Override
      public void onApiResult(Object result) {
        DeviceArray deviceArray = (DeviceArray) result;
        devicesAdapter = new GenericAdapter(SamiActivity.this, addaptDeviceData(deviceArray));
      }
    }).execute();
    
    
  }
  
  /**
   * Addapts the data comming from SAMI android client to a list adapter 
   * This has nothing to do with SAMI, just UI work to display a list view
   * @param deviceArray
   * @return
   */
  private ArrayList<Item> addaptDeviceData(DeviceArray deviceArray){
    ArrayList<Item> items = new ArrayList<Item>();
    
    for(Device device : deviceArray.getDevices()){
      items.add(new Item(device.getId(), device.getDtid()));
    }
    
    return items;
  }

  /**
   * On a successful login, refresh user data
   */
  @Override
  public void onLoginCompleted(String accessToken) {
    refreshUserData();
  }

  @Override
  public void onLoginCanceled() {
  }

  @Override
  public void onInvalidCredentials() {
  }


}
Java Source Code List
