package com.example.springbugtest;

import androidx.appcompat.app.AppCompatActivity;
import androidx.dynamicanimation.animation.DynamicAnimation;
import androidx.dynamicanimation.animation.SpringAnimation;
import androidx.dynamicanimation.animation.SpringForce;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    private Button button;
    private TextView textView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        button = findViewById(R.id.button);
        textView = findViewById(R.id.textView);

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                testSpringAnimation();
            }
        });
    }

    void testSpringAnimation() {
        SpringAnimation springAnimation = new SpringAnimation(textView, SpringAnimation.Y);
        springAnimation.addEndListener(new DynamicAnimation.OnAnimationEndListener() {
            @Override
            public void onAnimationEnd(DynamicAnimation animation, boolean canceled, float value, float velocity) {
                String str = "springAnimation end. textView.y=" + textView.getY();
                Toast toast=Toast.makeText(getApplicationContext(), str, Toast.LENGTH_LONG);
                toast.show();
            }
        });

        SpringForce springForce = new SpringForce(800);
        springForce.setStiffness(10.0f);
        springForce.setDampingRatio(1.0f);
        springAnimation.setSpring(springForce);
        // set textView.Y to 800
        springAnimation.start();

        // when springAnimation is running, change the finalPosition
        springAnimation.animateToFinalPosition(1600);

        // cancel the springAnimation
        springAnimation.cancel();

        // change the finalPosition again
        springAnimation.getSpring().setFinalPosition(200);
        // restart the springAnimation
        springAnimation.start();
    }
}