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 ...
>>>>
>>>> --
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>>>
>>>
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>>
>>
>> --
>> Kostya Vasilev -- WiFi Manager + pretty widget --
>> http://kmansoft.wordpress.com
>>
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