findPreference finds the Preference, findViewById is what you want to get the button/widget...
however, it seems (I had a similar problem) that the widget isn't being created at the time you addPreferences in your onCreate method, only later; presumably if you wrote a custom Preference subclass, you'd be able to grab the widget just as it was loaded by overriding onBindView, or some other method; or you could write a custom widget class that performs any load-time action you need in onFinishInflate(!). However, if you can wait until the preference is clicked, an easier option is to use an OnPreferenceClickListener, at which point the same findViewById call does work...! HTH, Alan On Jul 14, 2:34 pm, GodsMoon <[email protected]> wrote: > I think you need to do findPreference instead of findViewById. > so like: > ib = (Preference) findPreference("displayimagekey"); > > Hope that helps. > > On Jun 1, 3:20 pm, Noah <[email protected]> wrote: > > > > > Did you ever get this resolved? I'm having the same problem. > > > Thanks > > > On Apr 18, 1:27 am, hacksoft <[email protected]> wrote: > > > > Hi, > > > > I can't seem to get a handle to the embedded widget (via widgetLayout) > > > in my preference. > > > > My Preference XML is: > > > > <PreferenceScreen > > > xmlns:android="http://schemas.android.com/apk/res/android"; > > > android:key="first_preferencescreen"> > > > > <EditTextPreference android:key="displayname" > > > android:title="Display > > > Name" > > > android:summary="Choose a > > > display name" /> > > > > <Preference android:id="@+id/displayimageview" > > > android:key="displayimagekey" > > > android:title="Display Image" > > > android:summary="Select Display Image" > > > android:widgetLayout="@layout/displayimage" > > > /> > > > > </PreferenceScreen> > > > > My widget XML is: > > > > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/ > > > android" > > > android:layout_width="wrap_content" > > > android:layout_height="wrap_content" > > > android:orientation="horizontal" > > > > > > > > <ImageButton android:id="@+id/displayimagebutton" > > > android:layout_width="wrap_content" > > > android:layout_height="wrap_content" > > > android:padding="1dp" > > > /> > > > > </LinearLayout> > > > > I'm trying to get a handle on the displayimagebutton to embed an > > > ImageButton in a preference row. > > > > My java code is: > > > View v1 = null; > > > v1 = findViewById(R.layout.preferences); > > > ImageButton ib = null; > > > if (v1 == null) > > > Log.d(SUBSYSTEM_TAG, "v1 = null"); > > > else > > > { > > > ib = > > > (ImageButton)v1.findViewById(R.id.displayimagebutton); > > > } > > > > I can't seem to get a view to the preferences I setup in > > > preferences.xml. in my OnCreate() I'm calling: > > > addPreferencesFromResource(R.layout.preferences); > > > > and this seems to work fine since the preferences layout is > > > represented on the screen. However I can't get a View to this layout > > > as my java code is trying above, so I can find the embedded widget. > > > > I've tried: v1 = findViewById(R.id.displayimageview); > > > but that just returns null also. > > > > Any ideas on how I can get the ImageButton reference to my > > > displayimagebutton? > > > > I'm really disappointed on the lack of an Android example for this. > > > > Thanks! > > > > John Roberts > > > > -- > > > 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 > > > athttp://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
