I don't think it has to do with android_button.xml... Have you called setContentView() prior to calling findViewById()? Also, what is HelloFormStuff.java... is it an Activity?
Thanks, Justin ---------------------------------------------------------------------- There are only 10 types of people in the world... Those who know binary and those who don't. ---------------------------------------------------------------------- On Tue, May 25, 2010 at 5:46 PM, Philip H. <[email protected]> wrote: > I'm brand new to developing for android, so this has been driving me > crazy all day even though I'm sure it's simple. > > I'm going through the Hello Form Stuff tutorial and it seems like it > can't find a button resource in the drawable folder. I've tried > placing the three icons and the XML file in the 'drawable' folder and > all three pixel density variants (ie: '-hdpi'). I've run 'Clean...' > on the project many times and it finds the correct R class, but it's > just not finding the button I've defined. > > Here are the relevant parts (almost a straight copy/paste from the > tutorial) > /res/layout/main.xml: > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ > android" > android:orientation="vertical" > android:layout_width="fill_parent" > android:layout_height="fill_parent" > > <Button android:id="@+id/button" > android:layout_width="wrap_content" > android:layout_height="wrap_content" > android:padding="10dp" > android:background="@drawable/android_button" /> > </LinearLayout> > > /res/drawable/android_button.xml: > <selector xmlns:android="http://schemas.android.com/apk/res/android";> > <item android:drawable="@drawable/android_pressed" > android:state_pressed="true" /> > <item android:drawable="@drawable/android_focused" > android:state_focused="true" /> > <item android:drawable="@drawable/android_normal" /> > </selector> > > HelloFormStuff.java: > final Button button = (Button) findViewById(R.id.button); > Log.v("HelloForms", button.getClass().toString()); > button.setOnClickListener(new OnClickListener() { ... } > > -------- > It was breaking on the line with button.setOnClickListener() so I put > the log command in there and now it breaks on that line instead (I > assume because you can't call getClass() on a null object). > > -- > You received this message because you are subscribed to the Google > Groups "Android Beginners" group. > > NEW! Try asking and tagging your question on Stack Overflow at > http://stackoverflow.com/questions/tagged/android > > To unsubscribe from this group, send email to > [email protected]<android-beginners%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-beginners?hl=en > -- You received this message because you are subscribed to the Google Groups "Android Beginners" group. NEW! Try asking and tagging your question on Stack Overflow at http://stackoverflow.com/questions/tagged/android To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en
