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POUnhandled exception type ParseException - Parse.com Example Implementation
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copied!<p>I'm attempting to expand my current source code to include additional rows of data (it works fine using just the textview: empty) however when I attempt to add empty2 to allow for more data to be displayed - I'm running into the error: </p> <p>"Empty2 Cannot Be Resolved Or Is Not A Field"</p> <p>Even though I've created a textview called empty2 </p> <p>Any idea why this might be happening?</p> <p>todo_row.xml:</p> <pre><code><?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/text" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="5sp" android:textSize="25sp" > <TextView android:id="@+id/android:empty2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/empty" /> <TextView android:id="@+id/android:empty3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/empty" /> <TextView android:id="@+id/android:empty4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/empty" /> <TextView android:id="@+id/android:empty5" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/empty" /> </TextView> package com.parse.demo; import java.util.List; import android.app.Dialog; import android.app.ListActivity; import android.app.ProgressDialog; import android.content.Intent; import android.os.AsyncTask; import android.os.Bundle; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView.AdapterContextMenuInfo; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; import com.parse.ParseException; import com.parse.ParseObject; import com.parse.ParseQuery; public class ToDoListActivity extends ListActivity { private static final int ACTIVITY_CREATE = 0; private static final int ACTIVITY_EDIT = 1; public static final int INSERT_ID = Menu.FIRST; private static final int DELETE_ID = Menu.FIRST + 1; private List<ParseObject> todos; private Dialog progressDialog; private class RemoteDataTask extends AsyncTask<Void, Void, Void> { // Override this method to do custom remote calls protected Void doInBackground(Void... params) { // Gets the current list of todos in sorted order ParseQuery query = new ParseQuery("TestObject"); query.orderByDescending("_created_at"); try { todos = query.find(); } catch (ParseException e) { } return null; } @Override protected void onPreExecute() { ToDoListActivity.this.progressDialog = ProgressDialog.show(ToDoListActivity.this, "", "Loading...", true); super.onPreExecute(); } @Override protected void onProgressUpdate(Void... values) { super.onProgressUpdate(values); } @Override protected void onPostExecute(Void result) { // Put the list of todos into the list view ArrayAdapter<String> adapter = new ArrayAdapter<String>(ToDoListActivity.this, R.layout.todo_row); for (ParseObject todo : todos) { adapter.add((String) todo.get("DataI")); adapter.add((String) todo.get("DataO")); } setListAdapter(adapter); ToDoListActivity.this.progressDialog.dismiss(); TextView empty = (TextView) findViewById(android.R.id.empty); TextView empty2 = (TextView) findViewById(android.R.id.empty2); empty.setVisibility(View.VISIBLE); empty2.setVisibility(View.VISIBLE); } } /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); TextView empty = (TextView) findViewById(android.R.id.empty); empty.setVisibility(View.INVISIBLE); TextView empty2 = (TextView) findViewById(android.R.id.empty2); empty2.setVisibility(View.INVISIBLE); new RemoteDataTask().execute(); registerForContextMenu(getListView()); } private void createTodo() { Intent i = new Intent(this, CreateTodo.class); startActivityForResult(i, ACTIVITY_CREATE); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent intent) { super.onActivityResult(requestCode, resultCode, intent); if (intent == null) { return; } final Bundle extras = intent.getExtras(); switch (requestCode) { case ACTIVITY_CREATE: new RemoteDataTask() { protected Void doInBackground(Void... params) { String DataI = extras.getString("DataI"); String DataO = extras.getString("DataO"); ParseObject todo = new ParseObject("Todo"); todo.put("DataI", DataI); todo.put("DataO", DataO); try { todo.save(); } catch (ParseException e) { } super.doInBackground(); return null; } }.execute(); break; case ACTIVITY_EDIT: // Edit the remote object final ParseObject todo; todo = todos.get(extras.getInt("position")); todo.put("DataI", extras.getString("DataI")); todo.put("DataO", extras.getString("DataO")); new RemoteDataTask() { protected Void doInBackground(Void... params) { try { todo.save(); } catch (ParseException e) { } super.doInBackground(); return null; } }.execute(); break; } } @Override public boolean onCreateOptionsMenu(Menu menu) { boolean result = super.onCreateOptionsMenu(menu); menu.add(0, INSERT_ID, 0, R.string.menu_insert); return result; } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); menu.add(0, DELETE_ID, 0, R.string.menu_delete); } @Override public boolean onContextItemSelected(MenuItem item) { switch (item.getItemId()) { case DELETE_ID: AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo(); // Delete the remote object final ParseObject todo = todos.get(info.position); new RemoteDataTask() { protected Void doInBackground(Void... params) { try { todo.delete(); } catch (ParseException e) { } super.doInBackground(); return null; } }.execute(); return true; } return super.onContextItemSelected(item); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case INSERT_ID: createTodo(); return true; } return super.onOptionsItemSelected(item); } @Override protected void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); Intent i = new Intent(this, CreateTodo.class); i.putExtra("DataI", todos.get(position).getString("DataI").toString()); i.putExtra("DataO", todos.get(position).getString("DataO").toString()); i.putExtra("position", position); startActivityForResult(i, ACTIVITY_EDIT); } } </code></pre> <p>Main.xml</p> <pre><code><?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" > <ListView android:id="@+id/android:list" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:id="@+id/android:empty" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/empty" /> <TextView android:id="@+id/android:empty2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/empty" /> <TextView android:id="@+id/android:empty3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/empty" /> <TextView android:id="@+id/android:empty4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/empty" /> <TextView android:id="@+id/android:empty5" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/empty" /> </LinearLayout> </code></pre> <p>SOURCE AFTER ANSWER EDITS:</p> <pre><code>import java.util.List; import com.parse.ParseException; import com.parse.ParseObject; import com.parse.ParseQuery; import android.app.Dialog; import android.app.ListActivity; import android.app.ProgressDialog; import android.content.Intent; import android.os.AsyncTask; import android.os.Bundle; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView.AdapterContextMenuInfo; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; public class ToDoListActivity extends ListActivity { TextView empty; TextView empty2; private static final int ACTIVITY_CREATE = 0; private static final int ACTIVITY_EDIT = 1; public static final int INSERT_ID = Menu.FIRST; private static final int DELETE_ID = Menu.FIRST + 1; private List<ParseObject> todos; private Dialog progressDialog; private class RemoteDataTask extends AsyncTask<Void, Void, Void> { // Override this method to do custom remote calls public void setVisibility() { empty.setVisibility(View.VISIBLE); empty2.setVisibility(View.VISIBLE); } protected void doInBackground(Void... params) { // Gets the current list of todos in sorted order ParseQuery query = new ParseQuery("TestObject"); query.orderByDescending("_created_at"); try { todos = query.find(); } catch (ParseException e) { return; } runOnUiThread(new Runnable() { public void run() { // }}); } @Override protected void onPreExecute() { ToDoListActivity.this.progressDialog = ProgressDialog.show(ToDoListActivity.this, "", "Loading...", true); super.onPreExecute(); } @Override protected void onProgressUpdate(Void... values) { super.onProgressUpdate(values); } @Override protected void onPostExecute(Void result) { // Put the list of todos into the list view ArrayAdapter<String> adapter = new ArrayAdapter<String>(ToDoListActivity.this, R.layout.todo_row); for (ParseObject todo : todos) { adapter.add((String) todo.get("DataI")); adapter.add((String) todo.get("DataO")); adapter.add((String) todo.get("DataRSSI")); adapter.add((String) todo.get("DataSSID")); adapter.add((String) todo.get("DataTIME")); adapter.add((String) todo.get("DataRESTRICTED")); } setListAdapter(adapter); ToDoListActivity.this.progressDialog.dismiss(); // TextView empty = (TextView) findViewById(android.R.id.empty); // empty.setVisibility(View.VISIBLE); } } /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main_new); empty = (TextView) findViewById(android.R.id.empty); empty.setVisibility(View.INVISIBLE); // empty2 = (TextView) findViewById(android.R.id.empty2); // empty2.setVisibility(View.INVISIBLE); new RemoteDataTask().execute(); registerForContextMenu(getListView()); } private void createTodo() { Intent i = new Intent(this, CreateTodo.class); startActivityForResult(i, ACTIVITY_CREATE); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent intent) { super.onActivityResult(requestCode, resultCode, intent); if (intent == null) { return; } final Bundle extras = intent.getExtras(); switch (requestCode) { case ACTIVITY_CREATE: new RemoteDataTask() { protected void doInBackground(Void... params) { String DataI = extras.getString("DataI"); String DataO = extras.getString("DataO"); String DataRSSI = extras.getString("DataRSSI"); String DataSSID = extras.getString("DataSSID"); String DataTIME = extras.getString("DataTIME"); String DataRESTRICTED = extras.getString("DataRESTRICTED"); ParseObject todo = new ParseObject("Todo"); todo.put("DataI", DataI); todo.put("DataO", DataO); todo.put("DataRSSI", DataRSSI); todo.put("DataSSID", DataSSID); todo.put("DataTIME", DataTIME); todo.put("DataRESTRICTED", DataRESTRICTED); try { todo.save(); } catch (ParseException e) { } super.doInBackground(); return; } }.execute(); break; case ACTIVITY_EDIT: // Edit the remote object final ParseObject todo; todo = todos.get(extras.getInt("position")); todo.put("DataI", extras.getString("DataI")); todo.put("DataO", extras.getString("DataO")); todo.put("DataRSSI", extras.getString("DataRSSI")); todo.put("DataSSID", extras.getString("DataSSID")); todo.put("DataTIME", extras.getString("DataTIME")); todo.put("DataRESTRICTED", extras.getString("DataRESTRICTED")); new RemoteDataTask() { protected void doInBackground(Void... params) { try { todo.save(); } catch (ParseException e) { } super.doInBackground(); return; } }.execute(); break; } } @Override public boolean onCreateOptionsMenu(Menu menu) { boolean result = super.onCreateOptionsMenu(menu); menu.add(0, INSERT_ID, 0, R.string.menu_insert); return result; } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); menu.add(0, DELETE_ID, 0, R.string.menu_delete); } @Override public boolean onContextItemSelected(MenuItem item) { switch (item.getItemId()) { case DELETE_ID: AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo(); // Delete the remote object final ParseObject todo = todos.get(info.position); new RemoteDataTask() { protected void doInBackground(Void... params) { try { todo.delete(); } catch (ParseException e) { } super.doInBackground(); return; } }.execute(); return true; } return super.onContextItemSelected(item); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case INSERT_ID: createTodo(); return true; } return super.onOptionsItemSelected(item); } @Override protected void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); Intent i = new Intent(this, CreateTodo.class); i.putExtra("DataI", todos.get(position).getString("DataI").toString()); i.putExtra("DataO", todos.get(position).getString("DataO").toString()); i.putExtra("DataRSSI", todos.get(position).getString("DataRSSI").toString()); i.putExtra("DataSSID", todos.get(position).getString("DataSSID").toString()); i.putExtra("DataTIME", todos.get(position).getString("DataTIME").toString()); i.putExtra("DataRESTRICTED", todos.get(position).getString("DataRESTRICTED").toString()); i.putExtra("position", position); startActivityForResult(i, ACTIVITY_EDIT); } } </code></pre> <p>PROBLEMS</p> <pre><code>Description Resource Path Location Type Void methods cannot return a value ToDoListActivity.java /NFC Linking Manager/src/com/nfc/linkingmanager line 56 Java Problem The return type is incompatible with AsyncTask<Void,Void,Void>.doInBackground(Void[]) ToDoListActivity.java /NFC Linking Manager/src/com/nfc/linkingmanager line 47 Java Problem </code></pre>

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