Apparently you were inflating a View from an adapter and putting that
View in the wrong parent, which caused the ClassCastException.
On Wed, Dec 3, 2008 at 10:22 PM, CaseyB <[EMAIL PROTECTED]> wrote:
>
> Ok, I am not sure exactly what the problem was but I fixed it my
> creating the layout in code and instantiating an instance of it
> instead of trying to inflate it from xml.
>
> On Dec 3, 4:18 pm, CaseyB <[EMAIL PROTECTED]> wrote:
>> I made the change you suggested but I still get the same error. It's
>> dying down in the code that's trying to layout the screen it looks
>> like. Hmmm....
>>
>> On Dec 2, 11:23 am, Romain Guy <[EMAIL PROTECTED]> wrote:
>>
>> > Hi,
>>
>> > The line:
>> > View.inflate(FileBrowser.this, R.layout.icon, null);
>>
>> > Should be:
>> > LayoutInflate.from(FileBrowser.this).inflate(R.layout.icon, parent, false);
>>
>> > You have to pass the parent so that the generated layout parameters
>> > are of the right type. In the case of a GridView, it is also important
>> > to pass false to the "attach to root" parameter so that the View is
>> > not added directly to the parent (prevents a call to parent.addView.)
>> > The latter is mandatory because GridView will add the View to itself
>> > automatically after calling your getView() method.
>>
>> > On Tue, Dec 2, 2008 at 1:27 AM, CaseyB <[EMAIL PROTECTED]> wrote:
>>
>> > > I am trying to use a grid with a custom component but when I try to
>> > > inflate the view I get the following exception:
>>
>> > > 12-02 04:18:07.790: ERROR/AndroidRuntime(1146): Uncaught handler:
>> > > thread main exiting due to uncaught exception
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146):
>> > > java.lang.ClassCastException: android.widget.AbsListView$LayoutParams
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.widget.LinearLayout.measureVertical(LinearLayout.java:323)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.widget.LinearLayout.onMeasure(LinearLayout.java:275)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.view.View.measure(View.java:6621)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.widget.GridView.onMeasure(GridView.java:937)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.view.View.measure(View.java:6621)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2791)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.widget.FrameLayout.onMeasure(FrameLayout.java:208)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.view.View.measure(View.java:6621)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.widget.LinearLayout.measureVertical(LinearLayout.java:461)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.widget.LinearLayout.onMeasure(LinearLayout.java:275)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.view.View.measure(View.java:6621)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:2791)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.widget.FrameLayout.onMeasure(FrameLayout.java:208)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.view.View.measure(View.java:6621)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.view.ViewRoot.performTraversals(ViewRoot.java:620)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.view.ViewRoot.handleMessage(ViewRoot.java:1103)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.os.Handler.dispatchMessage(Handler.java:88)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.os.Looper.loop(Looper.java:123)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > android.app.ActivityThread.main(ActivityThread.java:3742)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > java.lang.reflect.Method.invokeNative(Native Method)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > java.lang.reflect.Method.invoke(Method.java:515)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
>> > > (ZygoteInit.java:739)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > com.android.internal.os.ZygoteInit.main(ZygoteInit.java:497)
>> > > 12-02 04:18:08.030: ERROR/AndroidRuntime(1146): at
>> > > dalvik.system.NativeStart.main(Native Method)
>>
>> > > Here is the code I am using to try to inflate the view:
>>
>> > > @Override
>> > > public View getView(int index, View convertView, ViewGroup parent)
>> > > {
>> > > View iconLayout;
>> > > ImageView icon;
>> > > TextView fileName;
>>
>> > > if (convertView == null)
>> > > {
>> > > iconLayout = View.inflate(FileBrowser.this,
>> > > R.layout.icon, null);
>>
>> > > icon = (ImageView)iconLayout.findViewById(R.id.Icon);
>> > > icon.setScaleType(ImageView.ScaleType.FIT_CENTER);
>> > > icon.setLayoutParams(new GridView.LayoutParams(50, 50));
>>
>> > > fileName =
>> > > (TextView)iconLayout.findViewById(R.id.FileName);
>> > > }
>> > > else
>> > > {
>> > > iconLayout = convertView;
>> > > icon = (ImageView)convertView.findViewById(R.id.Icon);
>> > > fileName =
>> > > (TextView)convertView.findViewById(R.id.FileName);
>> > > }
>>
>> > > icon.setImageResource(getIcon(index));
>> > > fileName.setText(mFiles.get(index).getName());
>>
>> > > return iconLayout;
>> > > }
>>
>> > > and here is the layout file:
>>
>> > > <?xml version="1.0" encoding="utf-8"?>
>> > > <LinearLayout
>> > > android:layout_width="wrap_content"
>> > > android:layout_height="wrap_content"
>> > > xmlns:android="http://schemas.android.com/apk/res/android";
>> > > android:orientation="vertical"
>> > > android:id="@+id/IconLayout">
>>
>> > > <ImageView
>> > > android:layout_width="wrap_content"
>> > > android:layout_height="wrap_content"
>> > > android:id="@+id/Icon"
>> > > android:maxHeight="48px"
>> > > android:maxWidth="48px"
>> > > android:minHeight="48px"
>> > > android:minWidth="48px" />
>>
>> > > <TextView
>> > > android:layout_width="wrap_content"
>> > > android:layout_height="wrap_content"
>> > > android:id="@+id/FileName"
>> > > android:maxLength="15"
>> > > android:maxLines="1" />
>> > > </LinearLayout>
>>
>> > > Does anyone know what is causing this exception?
>>
>> > --
>> > Romain Guywww.curious-creature.org
> >
>
--
Romain Guy
www.curious-creature.org
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