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 <[email protected]> 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 <[email protected]> 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" <[email protected]> > > 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 <[email protected]> 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 <[email protected]> wrote: > > > > > I would just step through it with the debugger (assuming you are using > > > > > Eclipse) > > > > > > On Dec 30, 8:39 am, JasonMP <[email protected]> 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). > > > > > -- > > > > You received this message because you are subscribed to the Google > > > > Groups "Android Developers" group. > > > > To post to this group, send email to [email protected] > > > > To unsubscribe from this group, send email to > > > > [email protected]<android-developers%2Bunsubs > > > > [email protected]> > > > > For more options, visit this group at > > > >http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
