属性动画
<?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:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="bwie.myamimation.MainActivity" android:orientation="vertical" > <ImageView android:id="@+id/imageview" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@mipmap/tab_shopping_pressed" /> <Button android:id="@+id/chuizhi" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="垂直" /> <Button android:id="@+id/paowuxian" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="抛物线 动画结束后移除" /> <Button android:id="@+id/togetherRun" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="简单的多动画" /> <Button android:id="@+id/playWithAfter" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="按次序执行" /> </LinearLayout>
package bwie.myamimation; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.animation.AnimatorSet; import android.animation.ObjectAnimator; import android.animation.PropertyValuesHolder; import android.animation.TypeEvaluator; import android.animation.ValueAnimator; import android.graphics.PointF; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.view.ViewGroup; import android.view.animation.LinearInterpolator; import android.widget.Button; import android.widget.ImageView; public class MainActivity extends AppCompatActivity { /** * ATTENTION: This was auto-generated to implement the App Indexing API. * See https://g.co/AppIndexing/AndroidStudio for more information. */ private ImageView ima; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button togetherRun = (Button) findViewById(R.id.togetherRun); Button playWithAfter = (Button) findViewById(R.id.playWithAfter); Button chuizhi = (Button) findViewById(R.id.chuizhi); Button paowuxian = (Button) findViewById(R.id.paowuxian); ima = (ImageView) findViewById(R.id.imageview); /* ObjectAnimator 透明+缩放 ima.setOnClickListener(new View.OnClickListener() { public ObjectAnimator anim; @Override public void onClick(final View view) { anim = ObjectAnimator.ofFloat(view, "zhy", 1.0F, 0.0F).setDuration(500); anim.start(); anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { float cVal = (float) valueAnimator.getAnimatedValue(); view.setAlpha(cVal); view.setScaleX(cVal); view.setScaleY(cVal); } }); } }); */ /** * 透明度+缩放 PropertyValuesHolder */ ima.setOnClickListener(listener); chuizhi.setOnClickListener(listenerchuizhi); paowuxian.setOnClickListener(listenerpaowuxian); togetherRun.setOnClickListener(listenertogetherRun); playWithAfter.setOnClickListener(listenerplayWithAfter); } /** * 多动画按次序执行 */ View.OnClickListener listenerplayWithAfter = new View.OnClickListener() { @Override public void onClick(View view) { float cx = ima.getX(); ObjectAnimator anim1 = ObjectAnimator.ofFloat(ima, "scaleX", 1.0f, 2f); ObjectAnimator anim2 = ObjectAnimator.ofFloat(ima, "scaleY", 1.0f, 2f); ObjectAnimator anim3 = ObjectAnimator.ofFloat(ima, "x", cx, 0f); ObjectAnimator anim4 = ObjectAnimator.ofFloat(ima, "x", cx); /** * anim1,anim2,anim3同时执行 * anim4接着执行 */ AnimatorSet animSet = new AnimatorSet(); animSet.play(anim1).with(anim2); animSet.play(anim2).with(anim3); animSet.play(anim4).after(anim3); animSet.setDuration(1000); animSet.start(); } }; /** * 简单的多动画 */ View.OnClickListener listenertogetherRun = new View.OnClickListener() { @Override public void onClick(View view) { ObjectAnimator anim1 = ObjectAnimator.ofFloat(ima, "scaleX", 1.0f, 2f); ObjectAnimator anim2 = ObjectAnimator.ofFloat(ima, "scaleY", 1.0f, 2f); AnimatorSet animSet = new AnimatorSet(); animSet.setDuration(2000); animSet.setInterpolator(new LinearInterpolator()); //两个动画同时执行 animSet.playTogether(anim1, anim2); animSet.start(); } }; /** * 抛物线 ValueAnimator */ View.OnClickListener listenerpaowuxian = new View.OnClickListener() { @Override public void onClick(View view) { ValueAnimator valueAnimator = new ValueAnimator(); valueAnimator.setDuration(3000); valueAnimator.setObjectValues(new PointF(0, 0)); valueAnimator.setInterpolator(new LinearInterpolator()); valueAnimator.setEvaluator(new TypeEvaluator<PointF>() { // fraction = t / duration @Override public PointF evaluate(float fraction, PointF startValue, PointF endValue) { // x方向200px/s ,则y方向0.5 * 10 * t PointF point = new PointF(); point.x = 200 * fraction * 3; point.y = 0.5f * 200 * (fraction * 3) * (fraction * 3); return point; } }); /** * 监听动画结束 图片移除不再占用位置 */ valueAnimator.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { ViewGroup parent = (ViewGroup) ima.getParent(); if (parent != null) parent.removeView(ima); } }); valueAnimator.start(); valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { PointF point = (PointF) valueAnimator.getAnimatedValue(); ima.setX(point.x); ima.setY(point.y); } }); } }; /** * 点击垂直按钮自由落体 ValueAnimator */ View.OnClickListener listenerchuizhi = new View.OnClickListener() { @Override public void onClick(View view) { ValueAnimator animator = ValueAnimator.ofFloat(0, 600 - ima.getHeight()); animator.setTarget(ima); animator.setDuration(1000).start(); //animator.setInterpolator(value) animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { ima.setTranslationY((Float) valueAnimator.getAnimatedValue()); } }); } }; /** * 透明度+缩放 */ View.OnClickListener listener = new View.OnClickListener() { @Override public void onClick(View view) { PropertyValuesHolder pvhX = PropertyValuesHolder.ofFloat("alpha", 1f, 0f, 1f); PropertyValuesHolder pvhY = PropertyValuesHolder.ofFloat("scaleX", 1f, 0, 1f); PropertyValuesHolder pvhZ = PropertyValuesHolder.ofFloat("scaleY", 1f, 0, 1f); ObjectAnimator.ofPropertyValuesHolder(view, pvhX, pvhY, pvhZ).setDuration(1000).start(); } }; }
文章来源:
http://blog.csdn.net/guolin_blog/article/details/43536355
http://blog.csdn.net/lmj623565791/article/details/38067475
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