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package com.android.launcher3.pageindicators;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
/**
* Base class for a page indicator.
*/
public abstract class PageIndicator extends View {
protected int mNumPages = 1;
public PageIndicator(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
public abstract void setScroll(int currentScroll, int totalScroll);
public abstract void setActiveMarker(int activePage);
public void addMarker() {
mNumPages++;
onPageCountChanged();
}
public void removeMarker() {
mNumPages--;
onPageCountChanged();
}
public void setMarkersCount(int numMarkers) {
mNumPages = numMarkers;
onPageCountChanged();
}
protected abstract void onPageCountChanged();
}
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