I made CustomView like under code.
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public class CustomView extends View{
protected void onDraw(Canvas canvas){
// Do somthing like drawing Canvas and some logic in NDK
}
}
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and I made layout.xml file like that.
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<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android";
xmlns:ui="http://schemas.android.com/apk/res/
org.sugang.android.priv.keyboard"
android:layout_width="fill_parent"
android:layout_height="fill_parent" android:orientation="vertical">
<Button android:text="button" android:id="@+id/Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"></Button>
<EditText android:text="" android:id="@+id/EditText01"
android:layout_width="wrap_content"
android:layout_height="wrap_content" android:inputType="none" ></
EditText>
<com.my.CustomView android:id="@+id/customView"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</com.my.CustomView >
</LinearLayout>
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when button is clicked, click event set some text to EditText01.
then onDraw method of CustomView is called.
I think that onDraw method can be called ,as setText method can chang
size of EditText01 and CustomView can be moved.
but When I click button and EditText01 size do not chang, onDraw
method is called.
besides, onDraw method do not redraw Canvas in NDK.
some logic in NDK work correctly.
I want to all or nothing.(some logic and redrawing Canvas work or
anything do not work)
I think that onDraw must not be called, when position is not changed.
Unfortunately onDraw is called.
How can I protect onDraw is called?
How can I get if CustomView posion be changed or not?
if I know that postion is not changed in onDraw of CustomView, I will
protect some logic in NDK.
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