Android开发-自定义View-AndroidStudio(四)简介动画

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直接看GIF效果和代码：




MainActivity.java:

package com.iwanghang.propertyanimation;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.animation.AnimatorSet;import android.animation.ObjectAnimator;import android.view.View;import android.view.animation.TranslateAnimation;import android.widget.ImageView;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends AppCompatActivity {    private ImageView iv_animation;    private TextView tv_animation_msg;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        iv_animation = (ImageView) findViewById(R.id.iv_animation);        iv_animation.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                  Toast.makeText(MainActivity.this, "点击了图片", Toast.LENGTH_SHORT).show();            }        });    }    /**     * 补间(视图)动画     */    public void testTweenAnimation(View v) {        // 由左上向右下移动        TranslateAnimation animation = new TranslateAnimation(0, iv_animation.getWidth(), 0, iv_animation.getHeight());        // 由右下向左上移动        //TranslateAnimation animation = new TranslateAnimation(iv_animation.getWidth(), 0, iv_animation.getHeight(), 0);        animation.setDuration(3000); // 设置持续时间        animation.setFillAfter(true); // 界面会停留在动画播放完时的界面        iv_animation.startAnimation(animation); // 运行动画    }    /**     * 属性动画     */    public void testPropertyAnimation(View v) {        ObjectAnimator animator3 = ObjectAnimator.ofFloat(iv_animation,"translationX",0,iv_animation.getWidth());        ObjectAnimator animator4 = ObjectAnimator.ofFloat(iv_animation,"translationY",0,iv_animation.getHeight());        /**         * TranslateAnimation 补间动画 一个动画         * AnimatorSet + playTogether 属性动画 两个动画一起播放         */        AnimatorSet set = new AnimatorSet();        set.playTogether(animator3,animator4);        set.setDuration(2000);        set.start();//        ObjectAnimator animator = ObjectAnimator.ofFloat(iv_animation, "translationX", 0,iv_animation.getWidth());//        ObjectAnimator animator2 = ObjectAnimator.ofFloat(iv_animation, "translationY", 0,iv_animation.getHeight());//        AnimatorSet animatorSet = new AnimatorSet();//        animatorSet.setDuration(2000);//        animatorSet.setInterpolator(new BounceInterpolator());//        //两个动画一起播放//        animatorSet.playTogether(animator, animator2);//        //开始播放//        animatorSet.start();//      //另外一种写法//        iv_animation.animate()//                 .translationXBy(iv_animation.getWidth())//                 .translationYBy(iv_animation.getWidth())//                 .setDuration(2000)//                 .setInterpolator(new BounceInterpolator())//                 .start();    }    public void reset(View v) {        iv_animation.clearAnimation();    }}

activity_main.xml:

<?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:context="com.iwanghang.propertyanimation.MainActivity">    <Button        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:onClick="testTweenAnimation"        android:text="测试补间(视图)动画" />    <Button        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:onClick="testPropertyAnimation"        android:text="测试属性动画" />    <!--我是分割-->    <ImageView        android:layout_width="fill_parent"        android:layout_height="1dp"        android:background="#000000" />    <TextView        android:textColor="#000000"        android:text="补间动画可以被clearAnimation，属性动画不可以        因为属性动画没有setFillAfter属性"        android:layout_width="match_parent"        android:layout_height="wrap_content" />    <Button        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:onClick="reset"        android:text="重置补间动画" />    <ImageView        android:id="@+id/iv_animation"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center_horizontal"        android:src="@drawable/logo" />    <!--我是分割-->    <ImageView        android:layout_width="fill_parent"        android:layout_height="1dp"        android:background="#000000" /></LinearLayout>

转载请注明出处：http://blog.csdn.net/iwanghang/article/details/53738561

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