Thanks! That's very cool.
On Mar 31, 6:22 pm, "Megha Joshi" <[EMAIL PROTECTED]> wrote: > Hi, > > You can use the mergeDrawableStates() method of the View class to provide > your custom states: > > http://code.google.com/android/reference/android/view/View.html#merge...[],%20int[]) > > Try the steps below to create new custom states: > > 1) Define the state resources in res/values/attrs.xml > > <declare-styleable name="MyCustomState"> > <attr name="state_fried" format="boolean" /> > <attr name="state_baked" format="boolean" /> > </declare-styleable> > > 2) In your custom view class : > > A) Declare the state variables: > > private static final int[] FRIED_STATE_SET = { > R.attr.state_fried > }; > > private static final int[] BAKED_STATE_SET = { > R.attr.state_baked > }; > > B) Override the onCreateDrawableState() method: > > @Override > protected int[] onCreateDrawableState(int extraSpace) { > final int[] drawableState = super.onCreateDrawableState(extraSpace + > 2); > if (isFried()) { > mergeDrawableStates(drawableState, FRIED_STATE_SET); > } > if (isBaked()) { > mergeDrawableStates(drawableState, BAKED_STATE_SET); > } > return drawableState; > } > > Once this is done, you should be able to use these in > ColorStateListDrawable, but you should use your app's namespace to use these > new states: > > <selector xmlns:android="http://schemas.android.com/apk/res/android"; > xmlns:app="http://schemas.android.com/apk/res/<my_app_package>"> > <item android:drawable="@drawable/item_baked" state_baked="true" > state_fried="false" /> > <item android:drawable="@drawable/item_fried" state_baked="false" > state_fried="true" /> > <item android:drawable="@drawable/item_overcooked" state_baked="true" > state_fried="true" /> > <item android:drawable="@drawable/item_raw" state_baked="false" > state_fried="false" /> > </selector> > > On Mon, Mar 31, 2008 at 9:48 AM, Ted Hopp <[EMAIL PROTECTED]> wrote: > > > With some searching I've found several examples and explanations of > > customizing the look of a component based on the drawing states. But I > > haven't found anything about defining custom drawing states. For > > instance, suppose I have a component that maintains states that I > > might call "baked" and "fried" and I want it's appearance to track > > these states. So I'm imagining this drawable: > > > <selector xmlns:android="http://schemas.android.com/apk/res/android";> > > <item android:drawable="@drawable/item_baked" state_baked="true" > > state_fried="false" /> > > <item android:drawable="@drawable/item_fried" state_baked="false" > > state_fried="true" /> > > <item android:drawable="@drawable/item_overcooked" state_baked="true" > > state_fried="true" /> > > <item android:drawable="@drawable/item_raw" state_baked="false" > > state_fried="false" /> > > </selector> > > > Is this possible? I see that it is possible (with setState, > > mergeDrawableStates, etc.) to have custom state data, but I don't see > > how to put this to use. I can't figure out from the documentation > > whether it is even possible to define custom item state attributes in > > xml, much less how to do it and link them to the state vector. (I'm > > assuming that if this is possible, I could also mix custom attributes > > with standard ones like android:state_pressed.) A pointer to an > > example or two would be very helpful. > > > Thanks. --~--~---------~--~----~------------~-------~--~----~ 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] Announcing the new M5 SDK! http://android-developers.blogspot.com/2008/02/android-sdk-m5-rc14-now-available.html For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
