Short update: 1 - found the mistake that it didn't show I accidentally didn't place any of the ViewStubs within the RelativeLayout of the SlidingDrawer, so it was never part of the content...really stupid mistake :)
On Sun, Aug 1, 2010 at 4:49 PM, Kostya Vasilyev <[email protected]> wrote: > Aha, now we're on to something. > > 1 - I think it does, but the inflated content is such that you don't see > it. Try playing with the inflated layout's background color, and with > ViewStub's width and height (maybe set to fixed values for debugging, like > both 200dp). > > 2 - Inflating a ViewStub removes the stub, and replaces it with the > inflated content. So the second time through the ViewStub isn't there > anymore, and the code crashes since the return value of > findViewById(R.id.stub_exposure) is null. > > You need to be able to tell apart the first and second time through this > code. I see you are saving the inflated layout in "importStub", maybe check > it for null, and if it's not null, then the view is already inflated. Or > check the return value of findViewById(R.id.stub_exposure). > > "@+id/NO_ID" does not have any special meaning, it's just an id, you'd > refer to it as "R.id.NO_ID". It certainly doesn't change the behavior of > ViewStub.inflate(). > > -- Kostya > > 01.08.2010 19:30, Victoria Busse пишет: > > Yes, I know that my try catch was wrong, but I corrected it eventually... > > I think you are right the error is always displayed when I press the > button a second time...but that brings me to two new problems or questions: > > 1. Why doesn't the inflated View or layout show up? > > 2. How can I allow the button to be clicked several times and every time > calling the ViewStub and its inflated layout. (I already changed inflatedId > to NO_ID, but apparently that doesn't do the trick) > > <ViewStub > android:id="@+id/stub_exposure" > android:inflatedId="@+id/NO_ID" > > android:layout="@layout/exposureview" > > android:layout_width="fill_parent" > android:layout_height="wrap_content" > android:background="#77000000"> > </ViewStub> > > > > > On Sun, Aug 1, 2010 at 4:07 PM, Kostya Vasilyev <[email protected]>wrote: > >> Victoria, >> >> Has the ViewStub already been inflated by any chance? That is, maybe this >> is the second time through you're clicking the button? >> >> If so, you should know that inflating a ViewStub removes it from the >> hierarchy and replaces it with the layout you provide with android:layout, >> giving it the id set by android:inflatedId. >> >> Also, your try/catch block is wrong, it should be inside the onClick >> listener - think about it, the exception happens when you click the button, >> not when you set the onClick handler. >> >> >> btnExposure.setOnClickListener(new OnClickListener() >> { >> @Override >> public void onClick(View v) { >> *try {* >> ViewStub stub = (ViewStub) findViewById(R.id.stub_exposure); >> importStub = stub.inflate(); >> *}catch (Exception e){ >> // pass "e" to Log.e to see full stack trace in logcat >> * >> * Log.e("ERROR", "Error in Code:" +e.toString(), e);* >> *} * >> } >> }); >> >> You also need to modify the layout to be inflated -the way it is now, both >> views are on top of one another. This is the fix: >> >> <TextView >> android:id="@+id/text_view" >> >> <SeekBar >> android:layout_below="@id/text_view >> >> And last but not least, I think this is the actual error: >> >> android:text="@+String/hello" >> >> There is no "+" notation for strings, and it's "string" not "String" >> anyway. You can do either >> >> android:text="@string/hello" >> >> or >> >> android:text="Hello" >> >> -- Kostya >> >> 01.08.2010 16:27, Victoria Busse пишет: >> >> Okay I got the "Source" of the error: the try and catch returned that the >> Null Pointer Exception derives from this part as you already suspected: >> >> ViewStub stub = (ViewStub) findViewById(R.id.stub_exposure); >> importStub = stub.inflate(); >> But I don't understand why it should be null as I followed the examples >> I found on the web... e.g. this here: >> http://developer.android.com/reference/android/view/ViewStub.html >> >> And this is the code in the xml, in which I call the ViewStub: >> >> <ViewStub >> android:id="@+id/stub_exposure" >> android:inflatedId="@+id/stub_exposure_view" >> >> android:layout="@layout/exposureview" >> >> android:layout_width="fill_parent" >> android:layout_height="wrap_content" >> android:background="#77000000"> >> </ViewStub> >> >> And here is the according layout xml for the inflated View, the >> exposureview.xml: >> >> <?xml version="1.0" encoding="utf-8"?> >> <RelativeLayout xmlns:android=" >> http://schemas.android.com/apk/res/android"; >> android:layout_width="fill_parent" >> android:layout_height="fill_parent" >> > >> <TextView >> android:layout_width="wrap_content" >> android:layout_height="wrap_content" >> android:text="@+String/hello" >> ></TextView> >> <SeekBar >> android:layout_width="wrap_content" >> android:layout_height="wrap_content" >> android:thumb="@drawable/seek_thumb" >> android:progress="50" >> android:max="100"> >> </SeekBar> >> >> </RelativeLayout> >> >> >> >> 2010/8/1 Victoria Busse <[email protected]> >> >>> mhmmm, I tried >>> >>> try{ >>> btnExposure.setOnClickListener(new OnClickListener() >>> { >>> >>> @Override >>> public void onClick(View v) { >>> >>> ViewStub stub = (ViewStub) findViewById(R.id.stub_exposure); >>> importStub = stub.inflate(); >>> >>> } >>> });}catch (Exception e){ >>> Log.e("ERROR", "Error in Code:" +e.toString()); >>> } >>> >>> but I don't get any output at all... >>> >>> 2010/8/1 Kostya Vasilyev <[email protected]> >>> >>>> Victoria, >>>> >>>> Judging by logcat, it looks like "stub" variable, the result of calling >>>> findViewById(R.id.stub_exposure) is null. You should check this in the >>>> debugger. >>>> >>>> -- Kostya >>>> >>>> 01.08.2010 13:46, Victoria Busse пишет: >>>> >>>> Okay found the problem, I simply forgot to define the button's >>>> View btnExposure = (ImageButton) findViewById(R.id.button_exposure); >>>> So this - quite simple - problem's solved, but now I got at new >>>> NullPointerException at >>>> com.mobilevideoeditor.moved.EditorView$1.onClick(EditorView.java:54), which >>>> is importStub = ((ViewStub) findViewById(R.id.stub_exposure)).inflate(); >>>> And this is what I don't really understand because I am not familiar >>>> with ViewStubs yet... >>>> >>>> I also tried ViewStub stub = (ViewStub) >>>> findViewById(R.id.stub_exposure); >>>> importStub = stub.inflate(); >>>> but again I get the Null Pointer Exception at importStub = >>>> stub.inflate(); >>>> >>>> Could there be s.th wrong with the exposureview.xml that I use to >>>> inflate the stub?? >>>> >>>> >>>> 2010/8/1 Victoria Busse <[email protected]> >>>> >>>>> Here is the Logcat: >>>>> >>>>> 08-01 08:17:11.984: ERROR/AndroidRuntime(223): Uncaught handler: >>>>> thread main exiting due to uncaught exception >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): >>>>> java.lang.RuntimeException: Unable to start activity >>>>> ComponentInfo{com.mobilevideoeditor.moved/com.mobilevideoeditor.moved.EditorView}: >>>>> java.lang.NullPointerException >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2496) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> android.app.ActivityThread.access$2200(ActivityThread.java:119) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> android.os.Handler.dispatchMessage(Handler.java:99) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> android.os.Looper.loop(Looper.java:123) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> android.app.ActivityThread.main(ActivityThread.java:4363) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> java.lang.reflect.Method.invokeNative(Native Method) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> java.lang.reflect.Method.invoke(Method.java:521) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> dalvik.system.NativeStart.main(Native Method) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): Caused by: >>>>> java.lang.NullPointerException >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> com.mobilevideoeditor.moved.EditorView.onCreate(EditorView.java:49) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): at >>>>> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459) >>>>> 08-01 08:17:11.994: ERROR/AndroidRuntime(223): ... 11 more >>>>> >>>>> >>>>> The Null pointer exception apparently is at >>>>> com.mobilevideoeditor.moved.EditorView.onCreate(EditorView.java:49), which >>>>> is the Image Button onClickListener >>>>> >>>>> >>>>> >>>>> 2010/8/1 Kostya Vasilyev <[email protected]> >>>>> >>>>> Logcat? >>>>>> >>>>>> -- >>>>>> Kostya Vasilyev -- http://kmansoft.wordpress.com >>>>>> >>>>>> 01.08.2010 12:32 пользователь "Victoria Busse" < >>>>>> [email protected]> написал: >>>>>> >>>>>> >>>>>> Update, just found a mistake within the ViewStub declaration as I >>>>>> forgot to specify a layout, here is the updated code because the error is >>>>>> still there :(( If someone knows what I am doing wrong please help me >>>>>> because after finding out that I forgot the layout *I thought it >>>>>> would work *but apparently it still doesn't >>>>>> >>>>>> <ViewStub >>>>>> android:id="@+id/stub_exposure" >>>>>> android:inflatedId="@+id/stub_exposure_view" >>>>>> >>>>>> android:layout="@layout/exposureview" >>>>>> >>>>>> >>>>>> android:layout_width="fill_parent" >>>>>> android:layout_height="fill_parent" >>>>>> androi... >>>>>> >>>>>> On Sun, Aug 1, 2010 at 1:11 AM, kivy <[email protected]> >>>>>> wrote: >>>>>> > >>>>>> > Hi there, >>>>>> > >>>>>> > I just ... >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Android Developers" g... >>>>>> >>>>>> -- >>>>>> 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%[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 >>>> >>>> >>>> >>>> -- >>>> Kostya Vasilev -- WiFi Manager + pretty widget -- >>>> http://kmansoft.wordpress.com >>>> >>>> -- >>>> 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%[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 >> >> >> >> -- >> Kostya Vasilev -- WiFi Manager + pretty widget -- >> http://kmansoft.wordpress.com >> >> -- >> 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%[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 > > > > -- > Kostya Vasilev -- WiFi Manager + pretty widget -- > http://kmansoft.wordpress.com > > -- > 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%[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. 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