看到很多开源库都使用了这个动画框架，就自己试了一下，果然很强大。把测试代码贴上，方便以后使用
package com.test.animation; import android.animation.ValueAnimator;
import android.app.Activity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout; import com.nineoldandroids.animation.Animator;
import com.nineoldandroids.animation.AnimatorSet;
import com.nineoldandroids.animation.ObjectAnimator;
import com.nineoldandroids.animation.PropertyValuesHolder;
import com.nineoldandroids.view.ViewHelper;
import com.nineoldandroids.view.ViewPropertyAnimator; public class AnimationActivity extends Activity {
Button button; private void initView() {
LinearLayout layout = new LinearLayout(this);
layout.setOrientation(LinearLayout.VERTICAL);
layout.setGravity(Gravity.CENTER_HORIZONTAL);
button = new Button(this);
button.setText("target");
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
layout.addView(button, params);
setContentView(layout);
} @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
initView();
// testAnim00();
// testAnim0();
// testAnim1();
// testAnim2();
testAnim3();
// testAnim4();
// testAnim5();
// testAnim6();
// testAnim7();
// startActivity(new Intent(this,AnimationContextMenuActivity.class));
} private void testAnim00() {
Animator animator1 = AnimatorUtils.rotationCloseToRight(button).setDuration(2000);
Animator animator2 = AnimatorUtils.rotationOpenFromRight(button).setDuration(2000);
Animator animator3 = AnimatorUtils.rotationCloseVertical(button).setDuration(2000);
Animator animator4 = AnimatorUtils.rotationOpenVertical(button).setDuration(2000);
Animator animator5 = AnimatorUtils.alphaDisappear(button).setDuration(2000);
Animator animator6 = AnimatorUtils.alphaAppear(button).setDuration(2000);
Animator animator7 = AnimatorUtils.translationRight(button, 100).setDuration(2000);
Animator animator8 = AnimatorUtils.translationLeft(button, 100).setDuration(2000);
final AnimatorSet set = new AnimatorSet();
// set.play(animator1).before(animator2)/*.after(animator3).after(animator4).after(animator5).after(animator6).after(animator7).after(animator8)*/;
// set.play(animator2).before(animator3);
// set.play(animator3).before(animator4);
// set.play(animator4).before(animator5);
// set.play(animator5).before(animator6);
// set.play(animator6).before(animator7);
// set.play(animator7).before(animator8);
/*===============//after before只能有两个,注意 before/after的顺序 或者用下面的===========================*/
set.playSequentially(animator1,animator2,animator3,animator4,animator5,animator6,animator7,animator8);
set.start();
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
set.start();
}
});
} private void testAnim0() {
Animator anim1 = ObjectAnimator.ofFloat(button, "rotationX", 90, 0).setDuration(2000);
Animator anim2 = ObjectAnimator.ofFloat(button, "rotationX", 0, 90).setDuration(2000);
final AnimatorSet set = new AnimatorSet();
set.play(anim1).after(anim2);
set.start();
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
set.start();
}
});
} private void testAnim1() {
ObjectAnimator.ofFloat(button, "translationY", 100).setDuration(1000).start();
} private void testAnim2() {
Animator animator = ObjectAnimator.ofFloat(button, "translationX", 100).setDuration(1000);
animator.addListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animator) { } @Override
public void onAnimationEnd(Animator animator) {
ObjectAnimator.ofFloat(button, "translationX", 0).setDuration(1000).start();
} @Override
public void onAnimationCancel(Animator animator) { } @Override
public void onAnimationRepeat(Animator animator) { }
});
animator.start();
} private void testAnim3() {
ViewPropertyAnimator.animate(button).translationY(100).start();
final ValueAnimator animator = ValueAnimator.ofFloat(0, 360).setDuration(2000);
animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
// ViewHelper.setPivotX(button,0);
// ViewHelper.setRotationX(button, (Float) animation.getAnimatedValue());
ViewHelper.setPivotY(button, 0);
ViewHelper.setRotationY(button, (Float) animation.getAnimatedValue()); //配套使用
}
});
animator.start();
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
animator.start();
}
});
} private void testAnim4() {
//左移动100,右移动100,alpha 变为0.2 跟5效果一样
AnimatorSet set = new AnimatorSet();
set.playTogether(ObjectAnimator.ofFloat(button, "translationX", 100),
ObjectAnimator.ofFloat(button, "translationY", 100),
ObjectAnimator.ofFloat(button, "alpha", 1, 0.2f));
set.setDuration(2000).start();
} private void testAnim5() {
//左移动100,右移动100,alpha 变为0.2
ObjectAnimator.ofPropertyValuesHolder(button, PropertyValuesHolder.ofFloat("translationX", -100),
PropertyValuesHolder.ofFloat("translationY", 100),
PropertyValuesHolder.ofFloat("alpha", 1, 0.3f)).setDuration(2000).start(); } private void testAnim6() {
// ViewPropertyAnimator.animate(button).translationX(100).translationY(100).setDuration(2000).start();
// ViewPropertyAnimator.animate(button).translationY(100).rotationYBy(720).setDuration(2000).start();
ViewPropertyAnimator.animate(button).rotationYBy(360).x(300).y(500).setDuration(2000).start();//旋转角度为360的倍数,x(..)y(..)后面为动画后位置
} //===========================================================================demo=========================================================
private void testAnim7() {
final LinearLayout layout = new LinearLayout(this);
layout.setOrientation(LinearLayout.VERTICAL);
layout.setGravity(Gravity.CENTER_HORIZONTAL); LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
for (int i = 0; i < 5; i++) {
Button btn = new Button(this);
btn.setText("btn" + i);
btn.setTag(i);
layout.addView(btn, params);
}
Button startBtn = new Button(this);
startBtn.setText("start");
startBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (!isAdimateOpen) {
isAdimateOpen = true;
doAnimateOpen(layout.getChildAt(0), 0, 5, 300);
doAnimateOpen(layout.getChildAt(1), 1, 5, 300);
doAnimateOpen(layout.getChildAt(2), 2, 5, 300);
doAnimateOpen(layout.getChildAt(3), 3, 5, 300);
doAnimateOpen(layout.getChildAt(4), 4, 5, 300);
} else {
isAdimateOpen = false;
doAnimateClose(layout.getChildAt(0), 0, 5, 300);
doAnimateClose(layout.getChildAt(1), 1, 5, 300);
doAnimateClose(layout.getChildAt(2), 2, 5, 300);
doAnimateClose(layout.getChildAt(3), 3, 5, 300);
doAnimateClose(layout.getChildAt(4), 4, 5, 300);
}
}
});
layout.addView(startBtn, params);
setContentView(layout);
} boolean isAdimateOpen = false; /**
* 打开菜单的动画
*
* @param view 执行动画的view
* @param index view在动画序列中的顺序
* @param total 动画序列的个数
* @param radius 动画半径
*/
private void doAnimateOpen(View view, int index, int total, int radius) {
if (view.getVisibility() != View.VISIBLE) {
view.setVisibility(View.VISIBLE);
}
double degree = Math.PI * index / ((total - 1) * 2);
int translationX = (int) (radius * Math.cos(degree));
int translationY = (int) (radius * Math.sin(degree));
AnimatorSet set = new AnimatorSet();
//包含平移、缩放和透明度动画
set.playTogether(
ObjectAnimator.ofFloat(view, "translationX", 0, translationX),
ObjectAnimator.ofFloat(view, "translationY", 0, translationY),
ObjectAnimator.ofFloat(view, "scaleX", 1f, 1.5f),
ObjectAnimator.ofFloat(view, "scaleY", 1f, 1.5f),
ObjectAnimator.ofFloat(view, "alpha", 1f, 1.5f));
//动画周期为500ms
set.setDuration(1000).start();
} /**
* 关闭菜单的动画
*
* @param view 执行动画的view
* @param index view在动画序列中的顺序
* @param total 动画序列的个数
* @param radius 动画半径
*/
private void doAnimateClose(final View view, int index, int total,
int radius) {
if (view.getVisibility() != View.VISIBLE) {
view.setVisibility(View.VISIBLE);
}
double degree = Math.PI * index / ((total - 1) * 2);
int translationX = (int) (radius * Math.cos(degree));
int translationY = (int) (radius * Math.sin(degree));
AnimatorSet set = new AnimatorSet();
//包含平移、缩放和透明度动画
set.playTogether(
ObjectAnimator.ofFloat(view, "translationX", translationX, 0),
ObjectAnimator.ofFloat(view, "translationY", translationY, 0),
ObjectAnimator.ofFloat(view, "scaleX", 1.5f, 1f),
ObjectAnimator.ofFloat(view, "scaleY", 1.5f, 1f),
ObjectAnimator.ofFloat(view, "scaleY", 1.5f, 1f));
set.setDuration(1000).start();
}
}