That was it! I took out the startManagingCursor() and it worked fine. My next question is what should I do to handle the life cycle of my cursor? Should I close it outside the switch statement?
On Jan 5, 5:41 pm, Vladimir <vladimir.funti...@gmail.com> wrote: > What do you think about this: > 1. Cursor created in onContextItemSelected() is null (for some reason) > 2. Since its lifecycle is managed by the activity (startManagingCursor > (c)), it tries to release it when the activity is stopped (when the > new intent is launched) > 3. It doesn't expect managed cursor to be null and crashes (at > android.app.Activity.performStop(Activity.java:3604)) > Does that make sense? I have little idea about how this cursor > management works, but I would do the following: > 1. Try removing startManagingCursor() calls to see if these are > related > 2. Double check if the cursor is null > 3. Take a look inside Android source and specifically Activity.java: > 3604 > Just a guess :) > > On Jan 5, 4:02 pm, JasonMP <hyperje...@gmail.com> wrote: > > > > > Ok, I tried gino's idea with initializing my arrays differently. I > > also changed there names so that they did not share a name with any > > other arrays in my app: Did not work. > > > I also tried calling to static variables instead of passing variables > > between classes with intents: This also did not work. > > > I can't determine which line of code causes the error. The logcat > > does not give me a pointer to anything in my app at all. I tried to > > narrow it down with breakpoints and logging and what I found is that > > it runs through all of my code without a hitch, and then once its done > > it throws the exception. > > > And again the exception only happens when I call the intent from a > > contextMenu. > > > On Jan 1, 2:56 am, Wiebbe <wie...@gmail.com> wrote: > > > > Shouldnt you check if the bundle is null or not? Try to loop through > > > it when you get there from a onContextItemSelected event. I'm guessing > > > some value somewhere is null when it should be instantiated. Perhaps > > > the intent is started quicker or without the bundle somehow so you get > > > a nullpointer exception? > > > > On 31 dec 2009, 15:57, JasonMP <hyperje...@gmail.com> wrote: > > > > > yes, Select.class is another one of my files. throughout my app there > > > > are a few different calls to it, all done the same way i.e. "Intent i > > > > = new Intent(this, Select.class); startActivity(i);" > > > > > No where in Select.class do I make a call to start Select.class or > > > > Sheet.class. When its done it calls finish(); > > > > > in the onCreate() of Select.class I grab the extras from the invoking > > > > class with this line of code: > > > > > public class Select extends ListActivity{ > > > > > DBAdapter db = new DBAdapter(this); > > > > String slotName = null; > > > > > @Override > > > > public void onCreate(Bundle savedInstanceState) { > > > > super.onCreate(savedInstanceState); > > > > > db.open(); > > > > > ListView list = getListView(); > > > > > View v = View.inflate(this, R.layout.list_header, > > > > null); > > > > list.addHeaderView(v, null, false); > > > > > name = > > > > this.getIntent().getStringExtra(DBAdapter.KEY_NAME); > > > > } > > > > > Could it be something in the .getIntent() method? or > > > > the .getStringExtra()? > > > > > On Dec 30, 7:19 pm, "Stephen @ gmail.com" <sdickey2...@gmail.com> > > > > wrote: > > > > > > Now that I understand your intent creation a little better, and I see > > > > > that > > > > > the intent you are creating is unique from the class in which the code > > > > > exists, I am not quite sure how it could be an infinite loop in the > > > > > (immediate) way I was thinking. > > > > > > Reading this code > > > > > > Intent i = new Intent(this, Select.class); > > > > > > I have to start thinking there's something wrong with this. I tried > > > > > to look > > > > > up the "Select" class on the android developers site, and couldn't > > > > > find it. > > > > > Is that a class from another of your files? I guess I would wonder > > > > > if the > > > > > code being invoked there, is somehow causing this class to be > > > > > invoked, thus > > > > > causing some kind of loop. I would grep for any reference to your > > > > > Sheet > > > > > class, from anywhere else in your code, and that would likely be > > > > > suspect. > > > > > > In general, the below is kind of a side topic, to maybe help you with > > > > > generic debugging. > > > > > > All the Best, Steve. > > > > > > *Ok... the only thing I can think to really help you is to start > > > > > taking > > > > > advantage of logging. In your import list, I see you don't include > > > > > the > > > > > logger code, so maybe you can give this a shot. > > > > > > 1) in the import list > > > > > > import android.util.Log; > > > > > > 2) and throughout your code > > > > > > Log.d( TAG, DebugText ); > > > > > > where TAG is a string that is unique to you, and "DebugText" is > > > > > something > > > > > useful to identify the part of the program you're interested in. > > > > > > * > > > > > > On Wed, Dec 30, 2009 at 11:32 AM, JasonMP <hyperje...@gmail.com> > > > > > wrote: > > > > > > Ok, I'm suddenly very curious by your previous statement stephen > > > > > > about > > > > > > the possibility of creating an infinite loop. Upon a little more > > > > > > investigation I'm now getting errors all over the place...same > > > > > > error....just at different points in the app where I try to > > > > > > startActivity(intent); As soon as the new activity receives focus > > > > > > is > > > > > > crashes. > > > > > > > On Dec 30, 1:58 pm, JasonMP <hyperje...@gmail.com> wrote: > > > > > > > package com.mallet.dtool; > > > > > > > > import android.app.AlertDialog; > > > > > > > import android.app.TabActivity; > > > > > > > import android.app.AlertDialog.Builder; > > > > > > > import android.content.DialogInterface; > > > > > > > import android.content.Intent; > > > > > > > import android.content.DialogInterface.OnClickListener; > > > > > > > import android.content.res.Configuration; > > > > > > > import android.database.Cursor; > > > > > > > import android.graphics.Color; > > > > > > > import android.os.Bundle; > > > > > > > import android.view.ContextMenu; > > > > > > > import android.view.KeyEvent; > > > > > > > import android.view.Menu; > > > > > > > import android.view.MenuItem; > > > > > > > import android.view.View; > > > > > > > import android.view.ContextMenu.ContextMenuInfo; > > > > > > > import android.widget.AdapterView; > > > > > > > import android.widget.ImageView; > > > > > > > import android.widget.LinearLayout; > > > > > > > import android.widget.ListView; > > > > > > > import android.widget.SimpleCursorAdapter; > > > > > > > import android.widget.TabHost; > > > > > > > import android.widget.TableLayout; > > > > > > > import android.widget.TextView; > > > > > > > import android.widget.Toast; > > > > > > > import android.widget.AdapterView.AdapterContextMenuInfo; > > > > > > > import android.widget.AdapterView.OnItemClickListener; > > > > > > > import android.widget.TabHost.OnTabChangeListener; > > > > > > > > public class Sheet extends TabActivity{ > > > > > > > > @Override public void onConfigurationChanged(Configuration > > > > > > newConfig) > > > > > > > { super.onConfigurationChanged(newConfig); } > > > > > > > DBAdapter db = new DBAdapter(this); > > > > > > > static Long cRowId; > > > > > > > > //Variable declaration > > > > > > > > public static Integer tabState = 1; > > > > > > > > @Override > > > > > > > public void onCreate(Bundle savedInstanceState) { > > > > > > > super.onCreate(savedInstanceState); > > > > > > > setContentView(R.layout.sheet); > > > > > > > > db.open(); > > > > > > > > //capture Tab4 elements > > > > > > > aList = (ListView) findViewById(R.id.alist); > > > > > > > aList.setOnItemClickListener(new OnItemClickListener(){ > > > > > > > > @Override > > > > > > > public void onItemClick(AdapterView<?> > > > > > > > arg0, View > > > > > > arg1, int arg2, > > > > > > > long arg3) { > > > > > > > > Cursor c = > > > > > > > db.getAll(Sheet.charName); > > > > > > > > c.moveToPosition(arg2 - 1); > > > > > > > > Builder builder2 = new > > > > > > AlertDialog.Builder(Sheet.this); > > > > > > > > > > > > > > builder2.setTitle(c.getString(c.getColumnIndexOrThrow > > > > > > > (DBAdapter.KEY_NAME))); > > > > > > > builder2.setIcon(R.drawable.equipment); > > > > > > > builder2.setMessage(c.getString(c.getColumnIndexOrThrow > > > > > > > (DBAdapter.KEY_DESC))); > > > > > > > builder2.setPositiveButton("Ok", null); > > > > > > > builder2.show(); > > > > > > > > } > > > > > > > > }); > > > > > > > registerForContextMenu(aList); > > > > > > > > } > > > > > > > @Override > > > > > > > public void onResume() > > > > > > > { > > > > > > > super.onResume(); > > > > > > > > fillAList(); > > > > > > > } > > > > > > > @Override > > > > > > > public void onDestroy(){ > > > > > > > super.onDestroy(); > > > > > > > db.close(); > > > > > > > } > > > > > > > > @Override > > > > > > > public void onCreateContextMenu(ContextMenu menu, View v, > > > > > > > ContextMenuInfo menuInfo) { > > > > > > > > if(v == aList){ > > > > > > > menu.add(0, 7, 0, "option 1"); > > > > > > > } > > > > > > > } > > > > > > > > @Override > > > > > > > public boolean onContextItemSelected(MenuItem item) { > > > > > > > AdapterContextMenuInfo info = (AdapterContextMenuInfo) > > > > > > > item.getMenuInfo(); > > > > > > > Cursor c = null; > > > > > > > startManagingCursor(c); > > > > > > > Long id; > > > > > > > > > ... > > read more »
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