Android属性动画旋转缩放叠加

SVID_20200428_144546_2.gif
donate_gift_fastclick_bg.png donate_gift_fastclick_icon.png

话不多说直接上代码

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:ignore="MissingDefaultResource">

    <FrameLayout
        android:id="@+id/gift_frame"
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        tools:ignore="MissingDefaultResource">
        <ImageView
            android:id="@+id/gift_rotation_bg"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:gravity="center"
            android:background="@drawable/donate_gift_fastclick_bg"
            tools:ignore="MissingConstraints" />
        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:gravity="center"
            android:background="@drawable/donate_gift_fastclick_icon"
            tools:ignore="MissingConstraints" />
    </FrameLayout>
    <TextView
        android:id="@+id/start"
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:layout_marginTop="50dp"
        android:gravity="center"
        android:textSize="22sp"
        android:text="开始" />
    <TextView
        android:id="@+id/pause"
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:gravity="center"
        android:textSize="22sp"
        android:text="暂停" />
    <TextView
        android:id="@+id/stop"
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:gravity="center"
        android:textSize="22sp"
        android:text="终止"/>

</LinearLayout>

package com.eegets.test.api

import android.animation.AnimatorSet
import android.animation.ObjectAnimator
import android.annotation.SuppressLint
import android.os.Bundle
import android.view.MotionEvent
import android.view.View
import android.view.animation.Animation
import android.view.animation.LinearInterpolator
import android.widget.FrameLayout
import android.widget.ImageView
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import com.eegets.R

/**
 * @package com.eegets.test.api
 * @fileName DonateGiftPressActivity
 * @data on  上午11:42
 * @author Kevin
 * @describe TODO
 * @org https://www.jianshu.com/u/ed346078c1d3
 * @email wangk8181@gmail.com
 **/

class DonateGiftPressActivity : AppCompatActivity() {

    private val animatorSet = AnimatorSet()
    private var objectAnimator: ObjectAnimator? = ObjectAnimator()

    private var actionDownTime: Long = 0

    private val framelayout by lazy {
        findViewById<FrameLayout>(R.id.gift_frame)
    }
    private val rotationBg by lazy {
        findViewById<ImageView>(R.id.gift_rotation_bg)
    }
    private val start by lazy {
        findViewById<TextView>(R.id.start)
    }
    private val pause by lazy {
        findViewById<TextView>(R.id.pause)
    }
    private val stop by lazy {
        findViewById<TextView>(R.id.stop)
    }

    @SuppressLint("ClickableViewAccessibility")
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_donate_gift_press_test)

        start.setOnClickListener {
            animationRotation(rotationBg)
        }
        pause.setOnClickListener {
            animatorSet.pause()
        }
        stop.setOnClickListener {
            animatorSet.cancel()
        }

        framelayout.setOnTouchListener { v, event ->
            when (event.action) {
                MotionEvent.ACTION_DOWN -> {
                    actionDownTime = System.currentTimeMillis()
                    animationScale(framelayout, 0.9f, 1.0f)
                }
                MotionEvent.ACTION_UP ->{
                    animationScale(framelayout, 1.0f, 0.9f)
                }
            }
            animatorSet?.start()
            true
        }
    }


    /**
     * 旋转动画
     */
    @SuppressLint("WrongConstant", "ObjectAnimatorBinding")
    private fun animationRotation(view: View?) {
        val  objectAnimator = ObjectAnimator.ofFloat(view, "rotation", 0f, 600f, 1200f, 1800f)
        objectAnimator?.interpolator = LinearInterpolator()
        objectAnimator.repeatCount = Animation.INFINITE
        animatorSet?.duration = 10000L
        animatorSet?.play(objectAnimator)
        animatorSet?.start()
    }

    /**
     * 缩放动画
     */
    @SuppressLint("WrongConstant")
    private fun animationScale(view: View?, scale1: Float, scale2: Float) {

        objectAnimator?.setFloatValues(scale1, scale2)
        objectAnimator?.addUpdateListener { animation ->
            view?.scaleX = animation.animatedValue as Float
            view?.scaleY = animation.animatedValue as Float
        }
        objectAnimator?.duration = System.currentTimeMillis() - actionDownTime
        animatorSet?.play(objectAnimator)
    }
}