public interface Checkable {

 /**
 * 設(shè)置view的選中狀態(tài)
 */
 void setChecked(boolean checked);

 /**
 * 當(dāng)前view是否被選中
 */
 boolean isChecked();

 /**
 *改變view的選中狀態(tài)到相反的狀態(tài)
 */
 void toggle();
}

public class CheckedImageView extends ImageView implements Checkable{
 protected boolean isChecked;//選中狀態(tài)
 protected OnCheckedChangeListener onCheckedChangeListener;//狀態(tài)改變事件監(jiān)聽(tīng)

 public static final int[] CHECKED_STATE_SET = { android.R.attr.state_checked };

 public CheckedImageView(Context context) {
 super(context);
 initialize();
 }

 public CheckedImageView(Context context, AttributeSet attrs) {
 super(context, attrs);
 initialize();
 }

 private void initialize() {
 isChecked = false;
 }

 @Override
 public boolean isChecked() {
 return isChecked;
 }

 @Override
 public void setChecked(boolean isChecked) {
 if (this.isChecked != isChecked) {
 this.isChecked = isChecked;
 refreshDrawableState();

 if (onCheckedChangeListener != null) {
 onCheckedChangeListener.onCheckedChanged(this, isChecked);
 }
 }
 }

 @Override
 public void toggle() {//改變狀態(tài)
 setChecked(!isChecked);
 }

 //初始DrawableState時(shí)候?yàn)樗砑右粋€(gè)CHECKED_STATE，ImageView本身是沒(méi)有這個(gè)狀態(tài)的
 @Override
 public int[] onCreateDrawableState(int extraSpace) {
 int[] states = super.onCreateDrawableState(extraSpace + 1);
 if (isChecked()) {
 mergeDrawableStates(states, CHECKED_STATE_SET);
 }
 return states;
 }

 //當(dāng)view的選中狀態(tài)被改變的時(shí)候通知ImageView改變背景或內(nèi)容，這個(gè)view會(huì)自動(dòng)在drawable狀態(tài)集中選擇與當(dāng)前狀態(tài)匹配的圖片
 @Override
 protected void drawableStateChanged() {
 super.drawableStateChanged();
 Drawable drawable = getDrawable();
 if (drawable != null) {
 int[] myDrawableState = getDrawableState();
 drawable.setState(myDrawableState);
 invalidate();
 }
 }

 //設(shè)置狀態(tài)改變監(jiān)聽(tīng)事件
 public void setOnCheckedChangeListener(OnCheckedChangeListener onCheckedChangeListener) {
 this.onCheckedChangeListener = onCheckedChangeListener;
 }

 //當(dāng)選中狀態(tài)改變時(shí)監(jiān)聽(tīng)接口觸發(fā)該事件
 public static interface OnCheckedChangeListener {
 public void onCheckedChanged(CheckedImageView checkedImgeView, boolean isChecked);
 }
}

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
 <item android:state_pressed="true" android:drawable="@drawable/icon_pressed"></item>
 <item android:state_checked="true" android:drawable="@drawable/icon_checked"></item>
 <item android:drawable="@drawable/icon_normal"></item>
</selector>

public class PraiseView extends FrameLayout implements Checkable{//同樣繼承Checkable
 protected OnPraisCheckedListener praiseCheckedListener;
 protected CheckedImageView imageView; //點(diǎn)贊圖片
 protected TextView textView; //+1
 protected int padding;

 public PraiseView(Context context) {
 super(context);
 initalize();
 }

 public PraiseView(Context context, AttributeSet attrs) {
 super(context, attrs);
 initalize();
 }

 protected void initalize() {
 setClickable(true);
 imageView = new CheckedImageView(getContext());
 imageView.setImageResource(R.drawable.blog_praise_selector);
 FrameLayout.LayoutParams flp = new LayoutParams(FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.WRAP_CONTENT,Gravity.CENTER);
 addView(imageView, flp);

 textView = new TextView(getContext());
 textView.setTextSize(10);
 textView.setText("+1");
 textView.setTextColor(Color.parseColor("#A24040"));
 textView.setGravity(Gravity.CENTER);
 addView(textView, flp);
 textView.setVisibility(View.GONE);
 }

 @Override
 public boolean performClick() {
 checkChange();
 return super.performClick();
 }

 @Override
 public void toggle() {
 checkChange();
 }

 public void setChecked(boolean isCheacked) {
 imageView.setChecked(isCheacked);
 }

 public void checkChange() {//點(diǎn)擊切換狀態(tài)
 if (imageView.isChecked) {
 imageView.setChecked(false);
 } else {
 imageView.setChecked(true);
 textView.setVisibility(View.VISIBLE);
 //放大動(dòng)畫(huà)
 AnimHelper.with(new PulseAnimator()).duration(1000).playOn(imageView);
 //飄 “+1”動(dòng)畫(huà)
 AnimHelper.with(new SlideOutUpAnimator()).duration(1000).playOn(textView);
 }
 //調(diào)用點(diǎn)贊事件
 if (praiseCheckedListener != null) {
 praiseCheckedListener.onPraisChecked(imageView.isChecked);
 }
 }

 public boolean isChecked() {
 return imageView.isChecked;
 }

 public void setOnPraisCheckedListener(OnPraisCheckedListener praiseCheckedListener) {
 this.praiseCheckedListener = praiseCheckedListener;
 }

 public interface OnPraisCheckedListener{
 void onPraisChecked(boolean isChecked);
 }
}

 public abstract class BaseViewAnimator {

 public static final long DURATION = 1000;

 private AnimatorSet mAnimatorSet;
 private long mDuration = DURATION;

 {
 mAnimatorSet = new AnimatorSet();
 }


 protected abstract void prepare(View target);

 public BaseViewAnimator setTarget(View target) {
 reset(target);
 prepare(target);
 return this;
 }

 public void animate() {
 start();
 }

 /**
 * reset the view to default status
 *
 * @param target
 */
 public void reset(View target) {
 ViewHelper.setAlpha(target, 1);
 ViewHelper.setScaleX(target, 1);
 ViewHelper.setScaleY(target, 1);
 ViewHelper.setTranslationX(target, 0);
 ViewHelper.setTranslationY(target, 0);
 ViewHelper.setRotation(target, 0);
 ViewHelper.setRotationY(target, 0);
 ViewHelper.setRotationX(target, 0);
 ViewHelper.setPivotX(target, target.getMeasuredWidth() / 2.0f);
 ViewHelper.setPivotY(target, target.getMeasuredHeight() / 2.0f);
 }

 /**
 * start to animate
 */
 public void start() {
 mAnimatorSet.setDuration(mDuration);
 mAnimatorSet.start();
 }

 public BaseViewAnimator setDuration(long duration) {
 mDuration = duration;
 return this;
 }

 public BaseViewAnimator setStartDelay(long delay) {
 getAnimatorAgent().setStartDelay(delay);
 return this;
 }

 public long getStartDelay() {
 return mAnimatorSet.getStartDelay();
 }

 public BaseViewAnimator addAnimatorListener(AnimatorListener l) {
 mAnimatorSet.addListener(l);
 return this;
 }

 public void cancel(){
 mAnimatorSet.cancel();
 }

 public boolean isRunning(){
 return mAnimatorSet.isRunning();
 }

 public boolean isStarted(){
 return mAnimatorSet.isStarted();
 }

 public void removeAnimatorListener(AnimatorListener l) {
 mAnimatorSet.removeListener(l);
 }

 public void removeAllListener() {
 mAnimatorSet.removeAllListeners();
 }

 public BaseViewAnimator setInterpolator(Interpolator interpolator) {
 mAnimatorSet.setInterpolator(interpolator);
 return this;
 }

 public long getDuration() {
 return mDuration;
 }

 public AnimatorSet getAnimatorAgent() {
 return mAnimatorSet;
 }

}

/**
*上劃消失（飄+1）
*/
public class SlideOutUpAnimator extends BaseViewAnimator {
 @Override
 public void prepare(View target) {
 ViewGroup parent = (ViewGroup)target.getParent();
 getAnimatorAgent().playTogether(
 ObjectAnimator.ofFloat(target, "alpha", 1, 0),
 ObjectAnimator.ofFloat(target,"translationY",0,-parent.getHeight()/2)
 );
 }
}

/**
*放大效果
*/
public class PulseAnimator extends BaseViewAnimator {
 @Override
 public void prepare(View target) {
 getAnimatorAgent().playTogether(
 ObjectAnimator.ofFloat(target, "scaleY", 1, 1.2f, 1),
 ObjectAnimator.ofFloat(target, "scaleX", 1, 1.2f, 1)
 );
 }
}

 public class AnimHelper {
 private static final long DURATION = BaseViewAnimator.DURATION;
 private static final long NO_DELAY = 0;

 /**
 *實(shí)例化得到AnimationComposer的唯一接口
 */
 public static AnimationComposer with(BaseViewAnimator animator) {
 return new AnimationComposer(animator);
 }

 /**
 *定義與動(dòng)畫(huà)效果相關(guān)聯(lián)的各種參數(shù)，
 *使用這種方法可以保證對(duì)象的構(gòu)建和他的表示相互隔離開(kāi)來(lái)
 */
 public static final class AnimationComposer {

 private List<Animator.AnimatorListener> callbacks = new ArrayList<Animator.AnimatorListener>();

 private BaseViewAnimator animator;
 private long duration = DURATION;
 private long delay = NO_DELAY;
 private Interpolator interpolator;
 private View target;

 private AnimationComposer(BaseViewAnimator animator) {
 this.animator = animator;
 }

 public AnimationComposer duration(long duration) {
 this.duration = duration;
 return this;
 }

 public AnimationComposer delay(long delay) {
 this.delay = delay;
 return this;
 }

 public AnimationComposer interpolate(Interpolator interpolator) {
 this.interpolator = interpolator;
 return this;
 }


 public AnimationComposer withListener(Animator.AnimatorListener listener) {
 callbacks.add(listener);
 return this;
 }

 public AnimManager playOn(View target) {
 this.target = target;
 return new AnimManager(play(), this.target);
 }

 private BaseViewAnimator play() {
 animator.setTarget(target);
 animator.setDuration(duration)
 .setInterpolator(interpolator)
 .setStartDelay(delay);

 if (callbacks.size() > 0) {
 for (Animator.AnimatorListener callback : callbacks) {
 animator.addAnimatorListener(callback);
 }
 }

 animator.animate();
 return animator;
 }
 }

 /**
 *動(dòng)畫(huà)管理類(lèi)
 */
 public static final class AnimManager{

 private BaseViewAnimator animator;
 private View target;

 private AnimManager(BaseViewAnimator animator, View target){
 this.target = target;
 this.animator = animator;
 }

 public boolean isStarted(){
 return animator.isStarted();
 }

 public boolean isRunning(){
 return animator.isRunning();
 }

 public void stop(boolean reset){
 animator.cancel();

 if(reset)
 animator.reset(target);
 }
 }

}