get Drop Elevation Value - Android android.view.animation

Android examples for android.view.animation:Translate Animation

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Description

get Drop Elevation Value

Demo Code

import android.animation.ValueAnimator;
import android.os.Build;
import android.view.View;

public class Main {

  private static final int DEFUALT_MIN_ELEVATION = 1;
  private static final int DEFUALT_DEC_ELEVATION = 20;

  public static ValueAnimator getDropElevationValue(final View targetView, int duration) {
    return getDropElevationValue(targetView, duration, DEFUALT_MIN_ELEVATION, DEFUALT_DEC_ELEVATION);
  }//from   w  w  w  .ja  v a 2 s . c om

  public static ValueAnimator getDropElevationValue(final View targetView, int duration, final int mimElevation,
      final int decElevation) {
    ValueAnimator decElevationValueAnim = ValueAnimator.ofInt(1);
    decElevationValueAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
      @Override
      public void onAnimationUpdate(ValueAnimator animation) {
        float fraction = animation.getAnimatedFraction();
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
          targetView.setElevation(fraction * decElevation + mimElevation);
        }
      }
    });
    decElevationValueAnim.setDuration(duration);
    return decElevationValueAnim;
  }

}

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