Either run adb logcat from a shell (adb in the tools directory of the SDK), or run DDMS and check the logs at the bottom, or open the Logcat view in Eclipse.
> Could you please tell me how to go about doing that? I can paste the > log data here if I don't understand at first look. If you don't understand at first look, read it more carefully, repeat the issue, etc. > > Thanks, > > Abhishek > > On Dec 11, 4:48 pm, Romain Guy <romain...@android.com> wrote: >> Have you looked at the log to see the stack trace? This would tell you >> exactly why your app is crashing :) >> >> >> >> >> >> On Fri, Dec 11, 2009 at 1:46 PM, Abhi <abhishek.r.sha...@gmail.com> wrote: >> > Hi All, >> >> > I have an Absolute Layout with two buttons on top, a Text View of >> > fixed size in the middle and List View as the rest of the Layout. >> >> > I want to use the top left button to add a list view item to the >> > existing list and the top right button to remove the last item from >> > the list. The List is layed out properly when the App starts, but as >> > soon as any of the two buttons is pressed, the Activity Force Closes. >> >> > Here is the code: >> >> > package com.sample.headerlist; >> >> > import java.util.ArrayList; >> > import java.util.List; >> >> > import android.app.Activity; >> > import android.os.Bundle; >> > import android.view.View; >> > import android.widget.ArrayAdapter; >> > import android.widget.Button; >> > import android.widget.HeaderViewListAdapter; >> > import android.widget.ListView; >> > import android.widget.TextView; >> >> > public class headerlist extends Activity implements >> > View.OnClickListener >> > { >> > private ListView listView; >> > private List<String> strings; >> >> > �...@override >> > public void onCreate(Bundle savedInstanceState) >> > { >> > super.onCreate(savedInstanceState); >> > setContentView(R.layout.main); >> >> > Button additem = (Button) findViewById(R.id.add_item); >> > Button deleteitem = (Button) findViewById >> > (R.id.del_item); >> >> > listView = (ListView) findViewById(R.id.listView); >> >> > additem.setOnClickListener(this); >> > deleteitem.setOnClickListener(this); >> >> > strings = new ArrayList<String>(); >> > strings.add("First"); >> > strings.add("Second"); >> > strings.add("Third"); >> > listView.setAdapter(new ArrayAdapter<String>(this, >> > android.R.layout.simple_list_item_multiple_choice, strings)); >> > } >> >> > �...@suppresswarnings("unchecked") >> > �...@override >> > public void onClick(View view) >> > { >> > if(view.getId() == R.id.add_item) >> > { >> > strings.add("another one"); >> > ((ArrayAdapter<String>) >> > ((HeaderViewListAdapter) listView.getAdapter()).getWrappedAdapter >> > ()).notifyDataSetChanged(); >> > } >> > else if(view.getId() == R.id.del_item) >> > { >> > if(strings.size() > 0) >> > { >> > strings.remove(strings.size() - 1); >> > ((ArrayAdapter<String>) >> > ((HeaderViewListAdapter)listView.getAdapter()).getWrappedAdapter >> > ()).notifyDataSetChanged(); >> > } >> > } >> > } >> > } >> >> > main.xml: >> >> > <?xml version="1.0" encoding="utf-8"?> >> > <AbsoluteLayout >> > android:layout_width="fill_parent" >> > android:layout_height="fill_parent" >> > xmlns:android="http://schemas.android.com/apk/res/android"> >> >> > <Button >> > android:id="@+id/add_item" >> > android:layout_width="120px" >> > android:layout_height="wrap_content" >> > android:text="Add Item" >> > android:layout_x="0px" >> > android:layout_y="0px" >> >> > </Button> >> >> > <Button >> > android:id="@+id/del_item" >> > android:layout_width="120px" >> > android:layout_height="wrap_content" >> > android:text="Delete Item" >> > android:layout_x="159px" >> > android:layout_y="0px" >> >> > </Button> >> >> > <TextView >> >> > android:layout_width="315px" >> > android:layout_height="25px" >> > android:text="SEND TO:" >> > android:textSize="20px" >> > android:gravity="center_horizontal" >> > android:layout_x="2px" >> > android:layout_y="54px" >> >> > </TextView> >> >> > <ListView >> > android:id="@+id/listView" >> > android:layout_width="fill_parent" >> > android:layout_height="fill_parent" >> > android:layout_x="0px" >> > android:layout_y="82px" >> >> > </ListView> >> >> > </AbsoluteLayout> >> >> > Please Help. >> >> > Abhishek >> >> > -- >> > You received this message because you are subscribed to the Google >> > Groups "Android Developers" group. >> > To post to this group, send email to android-developers@googlegroups.com >> > To unsubscribe from this group, send email to >> > android-developers+unsubscr...@googlegroups.com >> > For more options, visit this group at >> >http://groups.google.com/group/android-developers?hl=en >> >> -- >> Romain Guy >> Android framework engineer >> romain...@android.com >> >> Note: please don't send private questions to me, as I don't have time >> to provide private support. All such questions should be posted on >> public forums, where I and others can see and answer them- Hide quoted text - >> >> - Show quoted text - > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Romain Guy Android framework engineer romain...@android.com Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en