Android实现创意LoadingView动画效果

package yellow5a5.demo.boilingloadingview.View; import android.animation.Animator;import android.animation.AnimatorListenerAdapter;import android.animation.ValueAnimator;import android.content.Context;import android.graphics.drawable.ClipDrawable;import android.os.Handler;import android.os.Message;import android.util.AttributeSet;import android.util.TypedValue;import android.view.LayoutInflater;import android.view.View;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.widget.ImageView;import android.widget.RelativeLayout; import java.util.Timer;import java.util.TimerTask; import yellow5a5.demo.boilingloadingview.R; /** * Created by Weiwu on 16/1/2. */public class BoilingPanView extends RelativeLayout {    private View mView;  private ClipDrawable mWaterDrawable;   private WaterView mWaterView;  private FlameView mFlameView;   private View mPea1;  private View mPea2;  private ImageView mPotato;  private ImageView mCarrot;  private ImageView mCoverView;   private Animation mLeftInAnim;  private Animation mRightInAnim;   private boolean isRightRotate = true;  private ValueAnimator mCoverAnim;   private BoilingAnimListener mBoilingAnimListener;   public interface BoilingAnimListener {    //初始动画结束监听    void onFirstAnimEnd();  }   public void setBoilingAnimListener(BoilingAnimListener l) {    this.mBoilingAnimListener = l;  }   private Handler mHandle = new Handler(new Handler.Callback() {    @Override    public boolean handleMessage(Message msg) {      if (msg.what == 0X0000) {        mWaterDrawable.setLevel(mWaterDrawable.getLevel() + 800);      }      return false;    }  });   public BoilingPanView(Context context) {    this(context, null);  }   public BoilingPanView(Context context, AttributeSet attrs) {    this(context, attrs, 0);  }   public BoilingPanView(Context context, AttributeSet attrs, int defStyleAttr) {    super(context, attrs, defStyleAttr);    mView = LayoutInflater.from(context).inflate(R.layout.boiling_pan, this, true);    initView();    initStartAnim();    initCoverAnim();  }   private void initView() {    mWaterView = (WaterView) mView.findViewById(R.id.img_water);    mFlameView = (FlameView) mView.findViewById(R.id.flame);    mCoverView = (ImageView) mView.findViewById(R.id.img_cover);    mPea1 = mView.findViewById(R.id.img_pea1);    mPea2 = mView.findViewById(R.id.img_pea2);    mPotato = (ImageView) mView.findViewById(R.id.img_potato);    mCarrot = (ImageView) mView.findViewById(R.id.img_carrot);    mWaterDrawable = (ClipDrawable) mWaterView.getDrawable();  }   private void initStartAnim() {    mLeftInAnim = AnimationUtils.loadAnimation(getContext(), R.anim.left_in_anim);    mRightInAnim = AnimationUtils.loadAnimation(getContext(), R.anim.right_in_anim);  }   /*  抖动的盖子   */  private void initCoverAnim() {    mCoverAnim = ValueAnimator.ofFloat(0f, 1f, 0f).setDuration(800);    mCoverAnim.setRepeatMode(Animation.REVERSE);    mCoverAnim.setRepeatCount(-1);    mCoverAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {      @Override      public void onAnimationUpdate(ValueAnimator animation) {        float value = (float) animation.getAnimatedValue();        if (isRightRotate) {          mCoverView.setRotation(value * 5);        } else {          mCoverView.setRotation(-value * 5);        }        mCoverView.setTranslationY(-value * TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 5, getResources().getDisplayMetrics()));      }    });    mCoverAnim.addListener(new AnimatorListenerAdapter() {      @Override      public void onAnimationRepeat(Animator animation) {        super.onAnimationRepeat(animation);        isRightRotate = !isRightRotate;      }    });  }   /*  开始启动的动画   */  public void beginFirstInAnim() {    mPea1.setVisibility(VISIBLE);    mPea2.setVisibility(VISIBLE);    mPotato.setVisibility(VISIBLE);    mCarrot.setVisibility(VISIBLE);    mCoverView.setVisibility(VISIBLE);    mPea1.startAnimation(mLeftInAnim);    mPea2.startAnimation(mLeftInAnim);    mPotato.startAnimation(mLeftInAnim);    mCarrot.startAnimation(mRightInAnim);    mCoverView.startAnimation(mRightInAnim);    mRightInAnim.setAnimationListener(new Animation.AnimationListener() {      @Override      public void onAnimationStart(Animation animation) {       }       @Override      public void onAnimationEnd(Animation animation) {        if (mBoilingAnimListener != null) {          //这里是为了给外部留有操作的空间          mBoilingAnimListener.onFirstAnimEnd();        } else {          beginBoilingAnim();        }      }       @Override      public void onAnimationRepeat(Animation animation) {       }    });  }   /*  开始加水燃火动画   */  public void beginBoilingAnim() {    final Timer timer = new Timer();    timer.schedule(new TimerTask() {      @Override      public void run() {        mHandle.sendEmptyMessage(0X0000);        if (mWaterDrawable.getLevel() >= 10000) {          timer.cancel();        }      }    }, 0, 50);    mFlameView.startFlaming();    mCoverAnim.start();  }   /*  重置动画   */  public void resetAnim() {    mWaterDrawable.setLevel(0);    mWaterView.resetBubbleAnim();    mFlameView.stopFlaming();    mPea1.setVisibility(INVISIBLE);    mPea2.setVisibility(INVISIBLE);    mPotato.setVisibility(INVISIBLE);    mCarrot.setVisibility(INVISIBLE);    mCoverView.setVisibility(INVISIBLE);   }}