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;
> Integer idInt;
>
> switch(item.getItemId()) {
>
> case 7:
> c = db.getInfo(name);
> c.moveToPosition(info.position - 1);
> Intent i = new Intent(this, Select.class);
> i.putExtra(DBAdapter.KEY_NAME,
> c.getString(c.getColumnIndexOrThrow
> (DBAdapter.KEY_NAME)));
> startActivity(i);
>
> return true;
> }
>
> return super.onContextItemSelected(item);
> }
>
> public void fillArmorList(){
>
> Cursor c = db.getAll(Sheet.charName);
> startManagingCursor(c);
>
> String[] from = new String[]{//DB columns};
>
> int[] to = new int[]{//Layout Elements};
>
> SimpleCursorAdapter items = new SimpleCursorAdapter(this,
> R.layout.item_row, c, from, to);
> aList.setAdapter(items);
> }
>
> }
>
> On Dec 30, 1:41 pm, JasonMP <hyperje...@gmail.com> wrote:
>
>
>
> > Hmm, Ok, I've placed the breakpoint in and everything appears to be
> > fine, but it still doesn't work. This code is essentially a copy/
> > paste from another area of my app. In that instance its being called
> > from a ListView contextmenu as well and works fine. What do you mean
> > exactly by catching ALL the exceptions? Is that something I need to
> > add into the code?
>
> > On Dec 30, 1:21 pm, "Stephen @ gmail.com" <sdickey2...@gmail.com>
> > wrote:
>
> > > Sorry if this sounds silly: you might want to set a breakpoint on line:
>
> > > startActivity(i);
>
> > > when you hit that point, examine "i" carefully. From your log, I wonder
> > > if
> > > the act of starting the activity invokes your current code, inducing an
> > > infinite loop. Also, if it were my code, I would want to ensure I catch
> > > all
> > > uncaught exceptions. Around your code that you feel is failing, I would
> > > catch the general "Exception" as well as the AndroidRuntimeException
> > > (cannot
> > > remember if I've spelled that perfectly right), and print out the stack
> > > frame from the exception that was caught. that might yield additional
> > > info.
>
> > > Finally, further assistance from the forum, you may want to include more
> > > of
> > > your code. You probably have something special in there you don't want to
> > > share... just make what you post generic enough so we can see the
> > > construct
> > > of your whole activity.
>
> > > all the best, steve.
>
> > > On Wed, Dec 30, 2009 at 10:10 AM, JasonMP <hyperje...@gmail.com> wrote:
> > > > Yes I'm using eclipse. I use the debugger and when I hit that point
> > > > in my app i get the above error in my logcat window. Is there another
> > > > way to debug in eclipse?
>
> > > > On Dec 30, 1:01 pm, Matt <hansen.matt...@gmail.com> wrote:
> > > > > I would just step through it with the debugger (assuming you are using
> > > > > Eclipse)
>
> > > > > On Dec 30, 8:39 am, JasonMP <hyperje...@gmail.com> wrote:
>
> > > > > > Anyone know what would cause this error?
>
> > > > > > 12-30 10:26:50.858: ERROR/AndroidRuntime(921): Uncaught handler:
> > > > > > thread main exiting due to uncaught exception
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921):
> > > > > > java.lang.RuntimeException: Unable to stop activity
> > > > > > {com.mallet.dtool/
> > > > > > com.mallet.dtool.Sheet}: java.lang.NullPointerException
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > android.app.ActivityThread.performStopActivityInner
> > > > > > (ActivityThread.java:3124)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > android.app.ActivityThread.handleStopActivity(ActivityThread.java:
> > > > > > 3167)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > android.app.ActivityThread.access$2400(ActivityThread.java:116)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > android.app.ActivityThread$H.handleMessage(ActivityThread.java:1810)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > android.os.Handler.dispatchMessage(Handler.java:99)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > android.os.Looper.loop(Looper.java:123)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > android.app.ActivityThread.main(ActivityThread.java:4203)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > java.lang.reflect.Method.invokeNative(Native Method)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > java.lang.reflect.Method.invoke(Method.java:521)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
> > > > > > (ZygoteInit.java:791)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > dalvik.system.NativeStart.main(Native Method)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): Caused by:
> > > > > > java.lang.NullPointerException
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > android.app.Activity.performStop(Activity.java:3604)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): at
> > > > > > android.app.ActivityThread.performStopActivityInner
> > > > > > (ActivityThread.java:3121)
>
> > > > > > 12-30 10:26:50.928: ERROR/AndroidRuntime(921): ... 11 more
>
> > > > > > This is the code it runs when I get the error (this is a context
> > > > > > menu
> > > > > > option from a listview)
>
> > > > > > Cursor c = db.getInfo(name);
> > > > > > c.moveToPosition(info.position - 1);
> > > > > > Intent i = new Intent(this, Select.class);
> > > > > > i.putExtra(name, c.getString(c.getColumnIndexOrThrow
> > > > > > (DBAdapter.KEY_NAME)));
>
> > > > > > startActivity(i);
>
> > > > > > this launches another activity that when opened from other areas of
> > > > > > my
> > > > > > app work fine. I checked to see if it had anything to do with the
> > > > > > extras and it didn't seem to(i removed them entirely).
>
> > > > --
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