Hi Andre On Wed, Feb 10, 2010 at 9:45 PM, André <pha...@hotmail.com> wrote: > Hi Chrigi, > > except for for the id name and the string name the button is an exact > copy of button1 + 2. Eclipse accepts both popup_new and R.id.button3, > it turns the text blue. Doesn't that mean it has found them?
That simply means that some view has id button3 and that there exists a layout popup_new.xml but it does not mean that popup_new.xml contains a view with id button3. > If I put // in front of the 4 buttons that doesn't seem to work the popup > window works and the buttons show but nothing happens when you click > them of course. So this means that popup_new.xml contains 4 buttons. > > I tried to make a new button and assigned it the same value as button > 1 and then after the findViewById for button3 I assigned it the value > of button3 and then the value was null. But you already knew that. > > Then I tried to make a new xml file like popup_new but with a > different name, but still the same problem. I also tried to change the > name of the id in the xml file and myButtonTest1.java. > > Do you think it could be R.layout.popup_new that is faulty or the > findviewbyid? That's hard to say, could you post popup_new.xml, (or at least the part with the 4 buttons). > > André > > On Feb 10, 8:47 pm, Christoph Renner <chrigi.ren...@gmail.com> wrote: >> Hi Andre >> >> from the logcat: >> >> 192): java.lang.NullPointerException >> E/AndroidRuntime( 192): at >> com.button.test1.ButtonTest1.onCreateDialog(ButtonTest1.java:90) >> >> This means that a NullPointerException was thrown at line 90 in >> ButtonTest1.java. This usually happens if you try to access use a >> reference which was null. If line 90 is >> button3.setOnClickListener(this); than button3 == null. findViewById >> returns null if the view with the given id is not found. Are you sure >> that in the layout of the dialog (R.layout.popup_new) a View with id >> button3 exists? >> >> Chrigi >> >> >> >> On Wed, Feb 10, 2010 at 7:38 PM, André <pha...@hotmail.com> wrote: >> > Ok, I think I got it. >> >> > Try this link, >> >http://www.andreborud.com/android/trace3.txt >> >> > On Feb 10, 3:34 pm, Christoph Renner <chrigi.ren...@gmail.com> wrote: >> >> It should look like the second example >> >> onhttp://youtrack.jetbrains.net/issue/IDEA-24746. If you run "adb >> >> logcat" this text should appear when your application crashes. >> >> >> On Wed, Feb 10, 2010 at 3:24 PM, André <pha...@hotmail.com> wrote: >> >> > I've never used logcat before but I think I got it right. Here is a >> >> > link to it: >> >> >> >http://www.andreborud.com/android/trace2.txt >> >> >> > Thanks >> >> >> > André >> >> >> > On Feb 10, 3:01 pm, Christoph Renner <chrigi.ren...@gmail.com> wrote: >> >> >> This is not really useful, could you use logcat (either in eclipse or >> >> >> by running adb logcat) to get to the stack trace which gives >> >> >> information about the exception thrown? >> >> >> >> On Wed, Feb 10, 2010 at 2:54 PM, André <pha...@hotmail.com> wrote: >> >> >> > This is what I get on the InvocationTargetExce >> >> >> >> > // Compiled from InvocationTargetException.java (version 1.5 : 49.0, >> >> >> > super bit) >> >> >> > public class java.lang.reflect.InvocationTargetException extends >> >> >> > java.lang.Exception { >> >> >> >> > // Method descriptor #8 ()V >> >> >> > // Stack: 3, Locals: 1 >> >> >> > protected InvocationTargetException(); >> >> >> > 0 aload_0 [this] >> >> >> > 1 invokespecial java.lang.Exception() [1] >> >> >> > 4 new java.lang.RuntimeException [2] >> >> >> > 7 dup >> >> >> > 8 ldc <String "Stub!"> [3] >> >> >> > 10 invokespecial java.lang.RuntimeException(java.lang.String) [4] >> >> >> > 13 athrow >> >> >> > Line numbers: >> >> >> > [pc: 0, line: 5] >> >> >> > Local variable table: >> >> >> > [pc: 0, pc: 14] local: this index: 0 type: >> >> >> > java.lang.reflect.InvocationTargetException >> >> >> >> > // Method descriptor #14 (Ljava/lang/Throwable;)V >> >> >> > // Stack: 3, Locals: 2 >> >> >> > public InvocationTargetException(java.lang.Throwable exception); >> >> >> > 0 aload_0 [this] >> >> >> > 1 invokespecial java.lang.Exception() [1] >> >> >> > 4 new java.lang.RuntimeException [2] >> >> >> > 7 dup >> >> >> > 8 ldc <String "Stub!"> [3] >> >> >> > 10 invokespecial java.lang.RuntimeException(java.lang.String) [4] >> >> >> > 13 athrow >> >> >> > Line numbers: >> >> >> > [pc: 0, line: 6] >> >> >> > Local variable table: >> >> >> > [pc: 0, pc: 14] local: this index: 0 type: >> >> >> > java.lang.reflect.InvocationTargetException >> >> >> > [pc: 0, pc: 14] local: exception index: 1 type: >> >> >> > java.lang.Throwable >> >> >> >> > // Method descriptor #17 (Ljava/lang/Throwable;Ljava/lang/String;)V >> >> >> > // Stack: 3, Locals: 3 >> >> >> > public InvocationTargetException(java.lang.Throwable exception, >> >> >> > java.lang.String detailMessage); >> >> >> > 0 aload_0 [this] >> >> >> > 1 invokespecial java.lang.Exception() [1] >> >> >> > 4 new java.lang.RuntimeException [2] >> >> >> > 7 dup >> >> >> > 8 ldc <String "Stub!"> [3] >> >> >> > 10 invokespecial java.lang.RuntimeException(java.lang.String) [4] >> >> >> > 13 athrow >> >> >> > Line numbers: >> >> >> > [pc: 0, line: 7] >> >> >> > Local variable table: >> >> >> > [pc: 0, pc: 14] local: this index: 0 type: >> >> >> > java.lang.reflect.InvocationTargetException >> >> >> > [pc: 0, pc: 14] local: exception index: 1 type: >> >> >> > java.lang.Throwable >> >> >> > [pc: 0, pc: 14] local: detailMessage index: 2 type: >> >> >> > java.lang.String >> >> >> >> > // Method descriptor #21 ()Ljava/lang/Throwable; >> >> >> > // Stack: 3, Locals: 1 >> >> >> > public java.lang.Throwable getTargetException(); >> >> >> > 0 new java.lang.RuntimeException [2] >> >> >> > 3 dup >> >> >> > 4 ldc <String "Stub!"> [3] >> >> >> > 6 invokespecial java.lang.RuntimeException(java.lang.String) [4] >> >> >> > 9 athrow >> >> >> > Line numbers: >> >> >> > [pc: 0, line: 8] >> >> >> > Local variable table: >> >> >> > [pc: 0, pc: 10] local: this index: 0 type: >> >> >> > java.lang.reflect.InvocationTargetException >> >> >> >> > // Method descriptor #21 ()Ljava/lang/Throwable; >> >> >> > // Stack: 3, Locals: 1 >> >> >> > public java.lang.Throwable getCause(); >> >> >> > 0 new java.lang.RuntimeException [2] >> >> >> > 3 dup >> >> >> > 4 ldc <String "Stub!"> [3] >> >> >> > 6 invokespecial java.lang.RuntimeException(java.lang.String) [4] >> >> >> > 9 athrow >> >> >> > Line numbers: >> >> >> > [pc: 0, line: 9] >> >> >> > Local variable table: >> >> >> > [pc: 0, pc: 10] local: this index: 0 type: >> >> >> > java.lang.reflect.InvocationTargetException >> >> >> > } >> >> >> >> > And when I run the program on the emulator it starts, but when I >> >> >> > press >> >> >> > button 1 that opens the dialog it has to force shut down. >> >> >> >> > Any suggestions? >> >> >> >> > On Feb 10, 2:43 pm, Christoph Renner <chrigi.ren...@gmail.com> wrote: >> >> >> >> What exactly is the problem? Is there a compiler error or is an >> >> >> >> exception thrown when executing? In both cases, an error message >> >> >> >> might >> >> >> >> be useful. >> >> >> >> >> Cheers, >> >> >> >> Chrigi >> >> >> >> >> On Wed, Feb 10, 2010 at 2:39 PM, André <pha...@hotmail.com> wrote: >> >> >> >> > Thanks for you reply Chrigi! >> >> >> >> >> > I tried what you suggested but the problem still looks exactly the >> >> >> >> > same. Would you happen to have any other suggestions? >> >> >> >> >> > Cheers >> >> >> >> > André >> >> >> >> >> > On Feb 10, 2:01 pm, Christoph Renner <chrigi.ren...@gmail.com> >> >> >> >> > wrote: >> >> >> >> >> Hi Andre >> >> >> >> >> >> I assume that buton 3-6 are in R.layout.poput_new and not >> >> >> >> >> R.layout.main, in that case you call findViewById on the activity >> >> >> >> >> which does not contain those buttons. You need to call >> >> >> >> >> findViewById on >> >> >> >> >> the dialog after you called setContentView. >> >> >> >> >> >> Try the following: >> >> >> >> >> >> in onCreate: >> >> >> >> >> remove the following lines >> >> >> >> >> button3 = (Button) findViewById(R.id.button3); >> >> >> >> >> button4 = (Button) findViewById(R.id.button4); >> >> >> >> >> button5 = (Button) findViewById(R.id.button5); >> >> >> >> >> button6 = (Button) findViewById(R.id.button5); // >> >> >> >> >> typo at >> >> >> >> >> this line, should probably be R.id.button6 >> >> >> >> >> >> in onCreateDialog: >> >> >> >> >> add the following lined just before >> >> >> >> >> "button3.setOnClickListener(this);" >> >> >> >> >> button3 = (Button) dialog.findViewById(R.id.button3); >> >> >> >> >> button4 = (Button) dialog.findViewById(R.id.button4); >> >> >> >> >> button5 = (Button) dialog.findViewById(R.id.button5); >> >> >> >> >> button6 = (Button) dialog.findViewById(R.id.button6); >> >> >> >> >> >> Cheers, >> >> >> >> >> Chrigi >> >> >> >> >> >> On Wed, Feb 10, 2010 at 1:28 PM, André <pha...@hotmail.com> >> >> >> >> >> wrote: >> >> >> >> >> > Hello, >> >> >> >> >> >> > I am trying to use 6 buttons in one activity. The first 2 >> >> >> >> >> > buttons >> >> >> >> >> > work, but the problem is the 4 other ones that are located in >> >> >> >> >> > a dialog >> >> >> >> >> > box. For the first two buttons I use >> >> >> >> >> > "button1.setOnClickListener(this);" which is placed in the >> >> >> >> >> > oncreate >> >> >> >> >> > method. For the other 4 buttons I thought I could use the same >> >> >> >> >> > line >> >> >> >> >> > but place it in the Dialog method. But I was wrong. I this >> >> >> >> >> > it's the >> >> >> >> >> > (this) that is wrong. Bellow is my code and I have marked the >> >> >> >> >> > line >> >> >> >> >> > where eclipse debug reacts. Or maybe you pro's see some thing >> >> >> >> >> > else >> >> >> >> >> > that I did totally wrong? >> >> >> >> >> >> > regards >> >> >> >> >> > André >> >> >> >> >> >> > ... >> >> >> >> >> > public class ButtonTest1 extends Activity implements >> >> >> >> >> > OnClickListener { >> >> >> >> >> > static final int DIALOG_NEW = 0; >> >> >> >> >> > private Button button1; >> >> >> >> >> > private Button button2; >> >> >> >> >> > private Button button3; >> >> >> >> >> > private Button button4; >> >> >> >> >> > private Button button5; >> >> >> >> >> > private Button button6; >> >> >> >> >> >> > /** Called when the activity is first created. */ >> >> >> >> >> > �...@override >> >> >> >> >> > public void onCreate(Bundle savedInstanceState) { >> >> >> >> >> > super.onCreate(savedInstanceState); >> >> >> >> >> > setContentView(R.layout.main); >> >> >> >> >> > button1 = (Button) findViewById(R.id.button1); >> >> >> >> >> > button2 = (Button) findViewById(R.id.button2); >> >> >> >> >> > button3 = (Button) findViewById(R.id.button3); >> >> >> >> >> > button4 = (Button) findViewById(R.id.button4); >> >> >> >> >> > button5 = (Button) findViewById(R.id.button5); >> >> >> >> >> > button6 = (Button) findViewById(R.id.button5); >> >> >> >> >> >> > button1.setOnClickListener(this); >> >> >> >> >> > button2.setOnClickListener(this); >> >> >> >> >> >> > } >> >> >> >> >> > public void onClick(View view) { >> >> >> >> >> > switch (view.getId()) { >> >> >> >> >> > case R.id.button1: >> >> >> >> >> > showDialog(DIALOG1); >> >> >> >> >> > >> >> ... >> >> read more » > > -- > 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 -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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