lecho.lib.hellocharts.animation.ChartDataAnimatorV14 Maven / Gradle / Ivy
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Charting library for Android compatible with API 8+(Android 2.2).
package lecho.lib.hellocharts.animation;
import android.animation.Animator;
import android.animation.Animator.AnimatorListener;
import android.animation.ValueAnimator;
import android.animation.ValueAnimator.AnimatorUpdateListener;
import android.annotation.SuppressLint;
import lecho.lib.hellocharts.view.Chart;
@SuppressLint("NewApi")
public class ChartDataAnimatorV14 implements ChartDataAnimator, AnimatorListener, AnimatorUpdateListener {
private ValueAnimator animator;
private final Chart chart;
private ChartAnimationListener animationListener = new DummyChartAnimationListener();
public ChartDataAnimatorV14(Chart chart) {
this.chart = chart;
animator = ValueAnimator.ofFloat(0.0f, 1.0f);
animator.addListener(this);
animator.addUpdateListener(this);
}
@Override
public void startAnimation(long duration) {
if (duration >= 0) {
animator.setDuration(duration);
} else {
animator.setDuration(DEFAULT_ANIMATION_DURATION);
}
animator.start();
}
@Override
public void cancelAnimation() {
animator.cancel();
}
@Override
public void onAnimationUpdate(ValueAnimator animation) {
chart.animationDataUpdate(animation.getAnimatedFraction());
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {
chart.animationDataFinished();
animationListener.onAnimationFinished();
}
@Override
public void onAnimationRepeat(Animator animation) {
}
@Override
public void onAnimationStart(Animator animation) {
animationListener.onAnimationStarted();
}
@Override
public boolean isAnimationStarted() {
return animator.isStarted();
}
@Override
public void setChartAnimationListener(ChartAnimationListener animationListener) {
if (null == animationListener) {
this.animationListener = new DummyChartAnimationListener();
} else {
this.animationListener = animationListener;
}
}
}