Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Android

One Activity - Two fragments

So i want to add another daily fragment that is similar to the inbox one but when i try to separate them they both show the same messages!! How can i separate these two

My Recipient Activity public class RecipientsActivity extends ListActivity {

public static final String TAG = RecipientsActivity.class.getSimpleName();

protected List <ParseUser> mFriends;
protected ParseRelation<ParseUser> mFriendsRelation;
protected ParseUser mCurrentUser;
protected MenuItem mSendMenuItem;
protected Uri mMediaUri;
protected String mFileType;
protected String mMyMessage;





@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
    setContentView(R.layout.activity_recipients);
    getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);

    mMediaUri = getIntent().getData();
    mFileType = getIntent().getExtras().getString(ParseConstants.KEY_FILE_TYPE);

    mMyMessage = getIntent().getExtras().getString("themessage");
}
@Override
public void onResume() {
    super.onResume();

    mCurrentUser = ParseUser.getCurrentUser();
    mFriendsRelation = mCurrentUser.getRelation(ParseConstants.KEY_FRIENDS_RELATION);


    setProgressBarIndeterminateVisibility(true);

    ParseQuery<ParseUser> query = mFriendsRelation.getQuery();
    query.addAscendingOrder(ParseConstants.KEY_USERNAME);
    query.findInBackground(new FindCallback<ParseUser>() {

        @Override
        public void done(List<ParseUser> friends, ParseException e) {
            setProgressBarIndeterminateVisibility(false);
            if(e == null){
                mFriends = friends;

        String[] usernames = new String[mFriends.size()];
        int i = 0;
        for (ParseUser user : mFriends){
            usernames[i] = user.getUsername();
            i++;
        }
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(
                getListView().getContext(), 
                android.R.layout.simple_list_item_checked,
                usernames);
        setListAdapter (adapter);
            }
            else{

                Log.e(TAG, e.getMessage());
                AlertDialog.Builder builder = new AlertDialog.Builder(getListView().getContext());
                builder.setMessage(e.getMessage())
                       .setTitle(R.string.error_title)
                       .setPositiveButton(android.R.string.ok, null);
                AlertDialog dialog = builder.create();
                dialog.show();
            }

        }
    });
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.recipients, menu);
    mSendMenuItem = menu.getItem(0);

    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_send) {
        ParseObject message = createMessage();
        if (message == null){
            if(id == R.id.action_send){
                return true;
            }

            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setMessage(R.string.error_selecting_file)
            .setTitle(R.string.error_selecting_file_title)
            .setPositiveButton(android.R.string.ok,null);

            AlertDialog dialog = builder.create();
            dialog.show();

        }
        else{
            send(message);
            finish();
        }

        return true;
    }
    return super.onOptionsItemSelected(item);
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
    super.onListItemClick(l, v, position, id);

    if(l.getCheckedItemCount() > 0) {
        mSendMenuItem.setVisible(true);

    }
    else{
        mSendMenuItem.setVisible(false)
        ;
    }
}

protected ParseObject createMessage() {
    ParseObject message = new ParseObject(ParseConstants.CLASS_MESSAGES);
    message.put(ParseConstants.KEY_SENDER_ID, ParseUser.getCurrentUser().getObjectId());
    message.put(ParseConstants.KEY_SENDER_NAME, ParseUser.getCurrentUser().getUsername());
    message.put(ParseConstants.KEY_RECIPIENT_IDS, getRecipientIds());
    message.put(ParseConstants.KEY_FILE_TYPE,mFileType);




    if (mFileType.equals(ParseConstants.TYPE_TEXT)) {
            message.put("themessage", mMyMessage);
            message.put(ParseConstants.KEY_FILE_TYPE, "message");
            return message;
        }else{


    byte[] fileBytes = FileHelper.getByteArrayFromFile(this, mMediaUri);



    if (fileBytes == null){
        return null;
    }
    else{


         if (mFileType.equals(ParseConstants.TYPE_IMAGE)){
            fileBytes = FileHelper.reduceImageForUpload(fileBytes);
        }
        String fileName = FileHelper.getFileName(this, mMediaUri, mFileType);
        ParseFile file = new ParseFile(fileName, fileBytes);
        message.put(ParseConstants.KEY_FILE, file);

        return message;
    }
    }
    }



protected ArrayList<String> getRecipientIds() {
    ArrayList<String> recipientIds = new ArrayList<String>();
    for  (int i = 0; i < getListView().getCount(); i++){
        if(getListView().isItemChecked(i)){
            recipientIds.add(mFriends.get(i).getObjectId());
        }

    }
    return recipientIds;
}

protected void send(ParseObject message) {
    message.saveInBackground(new SaveCallback() {

        @Override
        public void done(ParseException e) {
            if(e == null){
                //Success
                Toast.makeText(RecipientsActivity.this, R.string.success_message, Toast.LENGTH_LONG).show();
            }
            else{

                AlertDialog.Builder builder = new AlertDialog.Builder(RecipientsActivity.this);
                builder.setMessage(R.string.error_sending_message)
                .setTitle(R.string.error_selecting_file_title)
                .setPositiveButton(android.R.string.ok,null);
                AlertDialog dialog = builder.create();
                dialog.show();

            }

        }
    });
}

}

My Main Activity

public class MainActivity extends FragmentActivity implements ActionBar.TabListener {

public static final String TAG = MainActivity.class.getSimpleName();

public static final int TAKE_PHOTO_REQUEST = 0;
public static final int TAKE_VIDEO_REQUEST = 1;
public static final int PICK_PICTURE_REQUEST = 2;
public static final int PICK_VIDEO_REQUEST = 3;




public static final int MEDIA_TYPE_IMAGE = 4;
public static final int MEDIA_TYPE_VIDEO = 5;
public static final int MEDIA_TYPE_TEXT= 6;




public static final int FILE_SIZE_LIMIT = 1024*1024*10; //10MB

protected Uri mMediaUri;


protected DialogInterface.OnClickListener mDialogListener = new DialogInterface.OnClickListener(){  


    @Override
    public void onClick(DialogInterface dialog, int which) {


        switch(which){
        case 0: //Take Picture
            Intent takePhotoIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
            mMediaUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE);
            if (mMediaUri == null){
                //display an error
                Toast.makeText(MainActivity.this,R.string.error_external_storage,Toast.LENGTH_LONG).show();
            }
            else{
            takePhotoIntent.putExtra(MediaStore.EXTRA_OUTPUT, mMediaUri);
            startActivityForResult(takePhotoIntent, TAKE_PHOTO_REQUEST);
            }
            break;
        case 1:
            Intent videoIntent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
            mMediaUri = getOutputMediaFileUri(MEDIA_TYPE_VIDEO);
            if (mMediaUri == null){
                //display an error
                Toast.makeText(MainActivity.this,R.string.error_external_storage,Toast.LENGTH_LONG).show();
            }
            else{
                videoIntent.putExtra(MediaStore.EXTRA_OUTPUT, mMediaUri);
                videoIntent.putExtra(MediaStore.EXTRA_DURATION_LIMIT, 10);
                videoIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
                startActivityForResult(videoIntent,TAKE_VIDEO_REQUEST);
            }
            break;
        case 2: //Choose Picture
            Intent choosePhotoIntent = new Intent(Intent.ACTION_GET_CONTENT);
            choosePhotoIntent.setType("image/*");
            startActivityForResult(choosePhotoIntent, PICK_PICTURE_REQUEST);
            break;
        case 3: //Choose Video
            Intent chooseVideoIntent = new Intent(Intent.ACTION_GET_CONTENT);
            chooseVideoIntent.setType("video/*");
            Toast.makeText(MainActivity.this,R.string.video_file_size_warning,Toast.LENGTH_LONG).show();
            startActivityForResult(chooseVideoIntent, PICK_VIDEO_REQUEST);
            break;
        }

    }

    private Uri getOutputMediaFileUri(int mediaType) {
        if(isExternalStorageAvailable()){
            // get the URI
            String appName = MainActivity.this.getString(R.string.app_name);
            File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),appName);

            //create our subdirectory
            if(! mediaStorageDir.exists()){
                if(!mediaStorageDir.mkdirs()) {
                    Log.e(TAG, "Failed to create directory.");
                    return null;

                }
            }

            //Create file name

            File mediaFile;
            Date now = new Date();
            String timestamp = new SimpleDateFormat("yyyyMMdd_HHmmss",Locale.ENGLISH).format(now);
            String path = mediaStorageDir.getPath() +File.separator;
            if(mediaType == MEDIA_TYPE_IMAGE){
                mediaFile = new File(path + "IMG_" + timestamp + ".jpg");
            }
            else if (mediaType == MEDIA_TYPE_VIDEO){
                mediaFile = new File(path + "VID_" + timestamp + ".mp4");
            }
            else if (mediaType == MEDIA_TYPE_TEXT){
                mediaFile = new File(path + "TXT_" + timestamp + ".txt");
            }
            else{
                return null;
            }

            Log.d(TAG, "File: "+ Uri.fromFile(mediaFile));
            return Uri.fromFile(mediaFile);
            }
            else{
                return null;
            }
        }

    private boolean isExternalStorageAvailable() {
        String state = Environment.getExternalStorageState();
        if (state.equals(Environment.MEDIA_MOUNTED)){
        return true;
        }

        else{
            return false;
        }

    }
};

/**
 * 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);
    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
    setContentView(R.layout.activity_main);

    ParseAnalytics.trackAppOpened(getIntent());

    ParseUser currentUser = ParseUser.getCurrentUser();
   if (currentUser == null) {
        navigateToLogin();
    }
   else{
       Log.i(TAG, currentUser.getUsername());
   }

    // 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 (this, 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
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (resultCode == RESULT_OK){
        if( requestCode == PICK_PICTURE_REQUEST|| requestCode ==PICK_VIDEO_REQUEST ){
            if(data == null){
                Toast.makeText(this,getString (R.string.general_error),Toast.LENGTH_LONG).show();
            }
            else {
                mMediaUri = data.getData();
            }
            Log.i(TAG, "Media URI: "+ mMediaUri);
            if (requestCode == PICK_PICTURE_REQUEST|| requestCode == PICK_VIDEO_REQUEST){
                //make sure the file is less than 10MB
                int fileSize = 0;

                InputStream inputStream = null;
                try{
                 inputStream = getContentResolver().openInputStream(mMediaUri);
                fileSize = inputStream.available();
            }
                catch (FileNotFoundException e ){
                    Toast.makeText(this,R.string.error_opening_file,Toast.LENGTH_LONG).show();
                    return;

                }
                catch (IOException e){
                    Toast.makeText(this,R.string.error_opening_file,Toast.LENGTH_LONG).show();
                    return;

                }
                finally{
                    try {
                        inputStream.close();
                    } catch (IOException e) {
                    }
                    if(fileSize >= FILE_SIZE_LIMIT){
                        Toast.makeText(this,R.string.error_file_size_too_large, Toast.LENGTH_LONG).show();
                        return;
                    }
                }
            }

        }

        else{
        Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
        mediaScanIntent.setData(mMediaUri);
        sendBroadcast(mediaScanIntent);
        }
        Intent recipientsIntent = new Intent(this, RecipientsActivity.class);
        recipientsIntent.setData(mMediaUri);


        String fileType;
        if (requestCode == PICK_PICTURE_REQUEST){
            fileType = ParseConstants.TYPE_IMAGE;

        }
        else{
            fileType = ParseConstants.TYPE_VIDEO;

        }
        recipientsIntent.putExtra(ParseConstants.KEY_FILE_TYPE, fileType);
        startActivity(recipientsIntent);
    }

    else if (resultCode != RESULT_CANCELED){
        Toast.makeText(this,R.string.general_error, Toast.LENGTH_LONG).show();
    }

}


private void navigateToLogin() {
    Intent intent = new Intent (this, LoginActivity.class);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
    startActivity(intent);
}


@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) {

    int itemId = item.getItemId();

    switch (itemId){
    case R.id.action_logout:
        ParseUser.logOut();
        navigateToLogin();
        break;
    case R.id.action_edit_friends:
        Intent intent = new Intent(this, EditFriendsActivity.class);
        startActivity(intent);
        break;
        case R.id.action_camera:
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setItems(R.array.camera_choices, mDialogListener);
            AlertDialog dialog = builder.create();
            dialog.show();
        break;
        case R.id.action_chat:

            AlertDialog.Builder alert = new AlertDialog.Builder(this);
            alert.setTitle("Send Message.");
            alert.setMessage("Type your message below.");
            // Set an EditText view to get user input 
            final EditText input = new EditText(this);
            alert.setView(input);
            alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int whichButton) {
              String value = input.getText().toString();
                Intent recipientsIntent = new Intent(MainActivity.this, RecipientsActivity.class);
                recipientsIntent.putExtra(ParseConstants.KEY_MESSAGE, value);
                recipientsIntent.putExtra(ParseConstants.KEY_FILE_TYPE, ParseConstants.TYPE_TEXT);
                startActivity(recipientsIntent);

              }
            });
            alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int whichButton) {
                // Canceled. 
              }
            });
            alert.show();
            //******************************************************
            break;


    }
    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());
}

@Override
public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
}

@Override
public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
}

}

and my Inbox and Daily fragment are basically the same

import java.util.ArrayList; import java.util.List;

import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.ListFragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ListView;

import com.parse.FindCallback; import com.parse.ParseException; import com.parse.ParseFile; import com.parse.ParseObject; import com.parse.ParseQuery; import com.parse.ParseUser;

public class InboxFragment extends ListFragment {

protected List<ParseObject> mMessages;
private CharSequence displayMessage;




@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.fragment_inbox, container, false);

    return rootView;
}

@Override
public void onResume() {
    super.onResume();

    getActivity().setProgressBarIndeterminateVisibility(true);

ParseQuery<ParseObject> query = new ParseQuery<ParseObject>(ParseConstants.CLASS_MESSAGES);
query.whereEqualTo(ParseConstants.KEY_RECIPIENT_IDS,ParseUser.getCurrentUser().getObjectId());
query.addDescendingOrder(ParseConstants.KEY_CREATED_AT);
query.findInBackground(new FindCallback<ParseObject>() {

    @Override
    public void done(List<ParseObject> messages, ParseException e) {
        getActivity().setProgressBarIndeterminateVisibility(false);

     if (e == null){
         //Success
         mMessages = messages;


            String[] usernames = new String[mMessages.size()];
            int i = 0;
            for (ParseObject message : mMessages){
                usernames[i] = message.getString(ParseConstants.KEY_SENDER_NAME);
                i++;
            }
            if (getListView().getAdapter() == null){
            MessageAdapter adapter = new MessageAdapter(getListView().getContext(), mMessages);
            setListAdapter (adapter);
     }
            else{
                // refill the adapter
                ((MessageAdapter)getListView().getAdapter()).refill(mMessages);
            }

     }

    }
});

} @Override public void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id);

ParseObject message = mMessages.get(position); String messageType = message.getString(ParseConstants.KEY_FILE_TYPE); ParseFile file = message.getParseFile(ParseConstants.KEY_FILE); Uri fileUri = Uri.parse(file.getUrl());

if(messageType.equals(ParseConstants.TYPE_IMAGE)){
    //view Image
    Intent intent = new Intent (getActivity(), ViewImageActivity.class);
    intent.setData(fileUri);
    startActivity(intent);


}else if(messageType.equals(ParseConstants.TYPE_VIDEO)){

    Intent intent = new Intent (Intent.ACTION_VIEW, fileUri);
    intent.setDataAndType(fileUri, "video/*");
    startActivity(intent);

}else if (messageType.equals(ParseConstants.TYPE_TEXT)){


    //Toast.makeText(getActivity(),  displayMessage, Toast.LENGTH_LONG).show();
    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
    builder.setTitle("Message from: " + getString(ParseConstants.KEY_SENDER_NAME) + ".");
    builder.setMessage(displayMessage);
    builder.setPositiveButton("Ok",  new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int whichButton) {

        }
    });
    AlertDialog dialog = builder.create();
    dialog.show();
}
 List<String> ids = message.getList(ParseConstants.KEY_RECIPIENT_IDS);
 if (ids.size() == 1) {
     message.deleteInBackground();

 }
 else{
     ids.remove(ParseUser.getCurrentUser().getObjectId());

     ArrayList<String> idsToRemove = new ArrayList<String>();
     idsToRemove.add(ParseUser.getCurrentUser().getObjectId());


     message.removeAll(ParseConstants.KEY_RECIPIENT_IDS,idsToRemove);
     message.saveInBackground();

 }

}

private String getString(String keySenderName) {
    // TODO Auto-generated method stub
    return null;
}

}