LayerEnablingAnimatorListener.java

package com.jasonchen.microlang.workers;


import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.SuppressLint;
import android.view.View;

import com.jasonchen.microlang.utils.Utility;

import java.util.Objects;

/**
 * jasonchen
 * 2015/04/10
 */
public class LayerEnablingAnimatorListener extends AnimatorListenerAdapter {

    private final View mTargetView;
    private int mLayerType;
    private Animator.AnimatorListener mAdapter;

    @SuppressLint("NewApi")
	public LayerEnablingAnimatorListener(View targetView, Animator.AnimatorListener adapter) {
        if (Utility.isKK()) {
            mTargetView = Objects.requireNonNull(targetView, "Target view cannot be null");
        } else {
            mTargetView = targetView;
        }

        this.mAdapter = adapter;
    }

    public View getTargetView() {
        return mTargetView;
    }

    @Override
    public void onAnimationStart(Animator animation) {
        super.onAnimationStart(animation);
        if (mAdapter != null) {
            mAdapter.onAnimationStart(animation);
        }
        mLayerType = mTargetView.getLayerType();
        mTargetView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
//        AppLogger.d("View animation is started, enable hardware accelerated");
    }

    @Override
    public void onAnimationEnd(Animator animation) {
        super.onAnimationEnd(animation);
        if (mAdapter != null) {
            mAdapter.onAnimationEnd(animation);
        }
        mTargetView.setLayerType(mLayerType, null);
//        AppLogger.d("View animation is finished, disable hardware accelerated");
    }
}