AndroidはクリエイティブLoadingViewアニメーション効果を実現

Android上のホット鍋大根野菜のローディング動画効果.これは1つの鍋が大根のLoadingアニメーションを煮るので、効果は以前IOSの上で見た1つの効果をまねて、とても面白いと感じて、移植して来て、ここでDialogの様式を完成して、使用者がLoadingViewとして使うことを便利にします.キーコード:

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 {
    //        
    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);
  }
 
  /*
       
   */
  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;
      }
    });
  }
 
  /*
         
   */
  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) {
          //               
          mBoilingAnimListener.onFirstAnimEnd();
        } else {
          beginBoilingAnim();
        }
      }
 
      @Override
      public void onAnimationRepeat(Animation animation) {
 
      }
    });
  }
 
  /*
          
   */
  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();
  }
 
  /*
      
   */
  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);
 
  }
}

Androidソフトウェアのプログラミングを学ぶのに役立つことを願っています.