How to lighten LED in key driver, when user press any KEY.

by Dianne Hackborn » Fri, 13 Mar 2009 03:01:56 GMT


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 The driver doesn't do this, it is done by the high-level PowerManager Java
service.






-- 
Dianne Hackborn
Android framework engineer
hack...@android.com

Note: please don't send private questions to me, as I don't have time to
provide private support.  All such questions should be posted on public
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Other Threads

1. How can I change the look of the front screen of the Android?

I'm following the code for StatusBarService and looking at
TrackingView animation. I see the animation involved changing the
height of LayoutParams, but I would like to change the x and y
location of my view during animation. I can change the x/y cords and
update call
                        WindowManagerImpl.getDefault().updateViewLayout
(mCustomControlBarView,
                                        mCustomControlBarLayoutParams);
however, this does not change anything. I tried changing the gravity
settings and even removing them, but that didn't work me. Am I missing
some steps or going about in the wrong direction here? Please advice.

Thanks,

-Z.






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2. pressed image not showing !

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
        <item android:drawable="@drawable/image1" /> <!-- default -->
        <item android:state_pressed="true" android:drawable="@drawable/
image2" /> <!-- pressed -->
        <item android:state_focused="true" android:drawable="@drawable/
image3" /> <!-- focused -->
</selector>

i wrote this in btnattr.xml file in drawale.

and in my main.xml i wrote
<ImageButton android:id="@+id/ImageButton09"
                        android:layout_width="80px" android:layout_height="80px"
android:src="@drawable/btnattr"
                        android:scaleType="fitXY" 
android:layout_marginLeft="20dip"
                        android:layout_marginTop="20dip" 
android:background="@android:color/
transparent"></ImageButton>


when the application is run, the image1 is displayed, expected.

but when i press the button image2 is not displayed ! where am I going
wrong ?

Thanks for helping

regards
Jagat

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