Android Open Source - android Main Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.felina.android;
/*w  w w  . ja  v  a2  s . c o m*/
import java.io.File;
import java.util.ArrayList;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.media.MediaScannerConnection;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.ActionBar.Tab;
import com.actionbarsherlock.app.SherlockFragment;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import com.felina.android.api.FelinaClient;
import com.loopj.android.http.JsonHttpResponseHandler;

public class MainActivity extends SherlockFragmentActivity implements ActionBar.TabListener {
  
  private SectionAdapter mAdapter;
  private ViewPager mViewPager;
  public static ArrayList<String> idList;
  public static ArrayList<String> idStack;
//  private HttpRequestClient mClient;
  public static FelinaClient fClient;
  private static String EMAIL;
  private static String PASS;
  
    @Override
    protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        if(fClient == null) {
          fClient = new FelinaClient(this);
        }
       
    idList = new ArrayList<String>();
    idStack = new ArrayList<String>();
    
        mViewPager = (ViewPager) findViewById(R.id.pager);
        mAdapter = new SectionAdapter(getSupportFragmentManager());
       
        
//        mClient = new HttpRequestClient(this);
        //Create the adapter to fragments for the app sections.

//        if(!mClient.loginCheck()) {
//            Intent loginIntent = new Intent(this, LoginActivity.class);
//            startActivityForResult(loginIntent, REQUEST_LOGIN);  
//        }
        
        EMAIL = CredentialUtils.readEmail(this);
        PASS = CredentialUtils.readPassword(this);
        
       login(this, EMAIL, PASS, Constants.RETRY_LIMIT); 
       
    }
    
    /**
   * Downloads the list of image id's belonging to the user.
   * @param retry
   */
  private void getImageList(final int retry) {
    Log.d("ProfileFragment", "getImageList "+retry);
    if(retry==0) {
      Log.d("ProfileFragment", "failed");
      return;
    }
    
    fClient.getImageList(new JsonHttpResponseHandler() {
      
      @Override
      public void onSuccess(int statuscode, JSONObject response) {
        Log.d("ProfileFragment", "some response");
        try {
          if (response.getBoolean("res")) {
            Log.d("ProfileFragment", "got list");
            JSONArray images = response.getJSONArray("images");
            for( int i = 0; i<images.length(); i++) {
              String id = images.getJSONObject(i).getString("imageid");
              idList.add(id);
              idStack.add(id);
              Log.d("ProfileFragment", id);
            }
//            startImageDownload(getActivity());
            setup();
            Log.d("ProfileFragment", "done images");
          }
          else {
            Log.d("ProfileFragment", "not list");
            getImageList(retry-1);
          }
        } catch (JSONException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
          getImageList(retry-1);
        }
       }
      
      @Override
      public void onFailure(Throwable e, JSONObject errorResponse) {
        Log.d("ProfileFragment", "some response-");
        e.printStackTrace();
        getImageList(retry-1);
      }
      
    });
    
    Log.d("ProfileFragment", "returning");
  }  
    
    private void login(final Context context, final String email, final String pass, final int retry) {
      
      if(retry == 0) {
      Log.d("MainActivity", "Login failed");
        return;
      }
      
      try {
      fClient.login(email, pass, new JsonHttpResponseHandler(){
        @Override
        public void onSuccess(JSONObject response) {
          try {
            Log.d("MainActivity", "Login resp: "+response.toString(4));
            if (response.getBoolean("res")) {
              getImageList(Constants.RETRY_LIMIT);
            } else {
                    Intent loginIntent = new Intent(context, LoginActivity.class);
                    startActivityForResult(loginIntent, Constants.REQUEST_LOGIN);
            }
          } catch (JSONException e) {
            e.printStackTrace();
            login(context, email, pass, retry-1);
          }
        }
        
        @Override
        public void onFailure(Throwable e, JSONObject errorResponse) {
          Log.d("MainActivity", "Login failed");
          login(context, email, pass, retry-1);
        }
      });
    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    }
    
    private void setup() {
      Log.d("MainActivityFelina","setup happened");
        final ActionBar actionBar = getSupportActionBar();
        
        actionBar.setHomeButtonEnabled(false);
        
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        
        mViewPager.setAdapter(mAdapter);
        mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
          @Override
          public void onPageSelected(int position) {
            actionBar.setSelectedNavigationItem(position);
          }
        });

        for (int i = 0; i < mAdapter.getCount(); i++) {
         actionBar.addTab(
             actionBar.newTab()
                   .setText(mAdapter.getPageTitle(i))
                   .setTabListener(this));
       }
       
    mViewPager.setCurrentItem(1);
    }
    
    private void logout() {
      SharedPreferences prefs = getSharedPreferences(HttpRequestClient.PREFERENCE_NAME, MODE_PRIVATE);
    SharedPreferences.Editor editor = prefs.edit();
    editor.putString(HttpRequestClient.INPUT_USERNAME, "");
    editor.putString(HttpRequestClient.INPUT_PASSWORD, "");
    editor.commit();
        Intent loginIntent = new Intent(this, LoginActivity.class);
        startActivity(loginIntent, null);
        finish();
    }
  
  private void addToGallery(final String mImagePath) {
//    System.out.println("ok");
//    Uri content = Uri.fromFile(file);
//    Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, content);
//    sendBroadcast(intent);
    MediaScannerConnection.scanFile(this, new String[]{mImagePath}, null, 
        new MediaScannerConnection.OnScanCompletedListener() {
      
      @Override
      public void onScanCompleted(String path, Uri uri) {
        if(mImagePath.equals(path)) {
          Log.d("MediaScanner: ", "Scan completed");
        }
      }
    });    
  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getSupportMenuInflater();
    inflater.inflate(R.menu.main, menu);
    return super.onCreateOptionsMenu(menu);
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // TODO Auto-generated method stub
    if(item.getItemId()==R.id.action_logout){
      logout();
      return true;
    }
    else {
      return super.onOptionsItemSelected(item);
  
    }
  }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
      Log.d("MainActivityFelina","something happened");
      if(requestCode == Constants.REQUEST_LOGIN) {
          Log.d("MainActivityFelina","login");
        switch(resultCode) {
        
        case RESULT_OK:
          setup();
        break;
        
        case RESULT_CANCELED:
          finish();
          break;
        }
      }
      else if ( requestCode == Constants.REQUEST_IMAGE_CAPTURE ) {
          Log.d("MainActivityFelina", resultCode+" "+RESULT_CANCELED+" "+RESULT_OK+" "+RESULT_FIRST_USER);
        if( resultCode == Activity.RESULT_OK ) {
        System.out.println("allgood");
        File f = new File(GalleryFragment.mImagePath);
              if((f.length())==0) {
                  f.delete();
              } 
              addToGallery(GalleryFragment.mImagePath);
        }
      }
      else {        
          Log.d("MainActivityFelina","something else "+requestCode);
          Log.d("MainActivityFelina", resultCode+" "+RESULT_CANCELED+" "+RESULT_OK+" "+RESULT_FIRST_USER);
          
          super.onActivityResult(resultCode, resultCode, data);
      }
    }

  @Override
  public void onTabSelected(Tab tab,
      android.support.v4.app.FragmentTransaction ft) {
    mViewPager.setCurrentItem(tab.getPosition());
  }

  @Override
  public void onTabUnselected(Tab tab,
      android.support.v4.app.FragmentTransaction ft) {
  }

  @Override
  public void onTabReselected(Tab tab,
      android.support.v4.app.FragmentTransaction ft) {    
  }
  
  public static class SectionAdapter extends FragmentStatePagerAdapter {
        
    public SectionAdapter(FragmentManager fm) {
      super(fm);
    }
  
    @Override
    public Fragment getItem(int i) {
      switch(i) {
      
      case 0: return new GalleryFragment(); 
      
      case 1: return new ProfileFragment();
      
      default: return new DummyFragment();
       }
    }
    
    @Override
    public int getCount() {
      return 2;
    }
    
    @Override
    public CharSequence getPageTitle(int position) {
      switch (position) {
      case 0: return "Upload Images";
      case 1: return "News Feed";
      case 2: return "Profile";
      default: return super.getPageTitle(position);
      }
    }
    
  }

  public static class DummyFragment extends SherlockFragment {
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.dummy_fragment, container, false);
      return rootView;
    }
  }
}

Java Source Code List

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