Android(安卓)动画效果

动画效果

public class AnimationTestActivity extends Activity {    private final String TAG = "xmp";    private Button alphaBtn;    private Button transBtn;    private Button scaleBtn;    private Button rotateBtn;    private Button scaleRotateBtn;    private Button frameBtn;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        initControls();    }    private void initControls() {        alphaBtn = (Button) findViewById(R.id.alpha);        transBtn = (Button) findViewById(R.id.translate);        scaleBtn = (Button) findViewById(R.id.scale);        rotateBtn = (Button) findViewById(R.id.rotate);        scaleRotateBtn = (Button)findViewById(R.id.scale_rotate);        frameBtn = (Button) findViewById(R.id.frame);                alphaBtn.setOnClickListener(new BtnOnClickListener());        transBtn.setOnClickListener(new BtnOnClickListener());        scaleBtn.setOnClickListener(new BtnOnClickListener());        rotateBtn.setOnClickListener(new BtnOnClickListener());        scaleRotateBtn.setOnClickListener(new BtnOnClickListener());        frameBtn.setOnClickListener(new BtnOnClickListener());    }    class BtnOnClickListener implements OnClickListener {        @Override        public void onClick(View v) {            Log.v(TAG,"--------------->onClick");            switch (v.getId()) {                case R.id.alpha:                    testAlphaEffect();                    break;                case R.id.translate:                    testTransEffect();                    break;                case R.id.scale:                    testScaleEffect();                    break;                case R.id.rotate:                    testRotateEffect();                    break;                case R.id.scale_rotate:                    testScaleRotateEffect();                    break;                case R.id.frame:                    testFrameEffect();                    break;                default:                    break;            }        }    }    private void testAlphaEffect() {        Intent intent = new Intent("anim.test");        intent.addCategory(Intent.CATEGORY_DEFAULT);        intent.putExtra(TestEffectActivity.TYPE, TestEffectActivity.EFFECT_ALPHA);        startActivity(intent);        Log.v(TAG,"--------->testAlphaEffect");    }    private void testTransEffect() {        Intent intent = new Intent("anim.test");        intent.addCategory(Intent.CATEGORY_DEFAULT);        intent.putExtra(TestEffectActivity.TYPE, TestEffectActivity.EFFECT_TRANS);        startActivity(intent);        Log.v(TAG,"--------->testTransEffect");    }    private void testScaleEffect() {        Intent intent = new Intent("anim.test");        intent.addCategory(Intent.CATEGORY_DEFAULT);        intent.putExtra(TestEffectActivity.TYPE, TestEffectActivity.EFFECT_SCALE);        startActivity(intent);        Log.v(TAG,"--------->testTransEffect");    }    private void testRotateEffect() {        Intent intent = new Intent("anim.test");        intent.addCategory(Intent.CATEGORY_DEFAULT);        intent.putExtra(TestEffectActivity.TYPE, TestEffectActivity.EFFECT_ROTATE);        startActivity(intent);        Log.v(TAG,"--------->testTransEffect");    }    private void testScaleRotateEffect(){        Intent intent = new Intent("anim.test");        intent.addCategory(Intent.CATEGORY_DEFAULT);        intent.putExtra(TestEffectActivity.TYPE, TestEffectActivity.EFFECT_SCALE_ROTATE);        startActivity(intent);        Log.v(TAG,"--------->testTransEffect");    }    private void testFrameEffect(){        Intent intent = new Intent("anim.test");        intent.addCategory(Intent.CATEGORY_DEFAULT);        intent.putExtra(TestEffectActivity.TYPE, TestEffectActivity.EFFECT_FRAME);        startActivity(intent);        Log.v(TAG,"--------->testFrameEffect");    }}

public class TestEffectActivity extends Activity {    private final String TAG = "xmp";    private Context mContext;    private View effectView ;    private TextView textWidget;    public final static String TYPE = "type";    public final static int EFFECT_ALPHA = 1;    public final static int EFFECT_TRANS = 2;    public final static int EFFECT_SCALE = 3;    public final static int EFFECT_ROTATE = 4;    public final static int EFFECT_SCALE_ROTATE = 5;    public final static int EFFECT_FRAME = 6;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.test_effect);        mContext = this;    }    @Override    protected void onStart() {        super.onStart();        handleEffect();    }    private void handleEffect() {        Intent intent = getIntent();        int effectType = intent.getIntExtra(TYPE, 0);        switch (effectType) {        case EFFECT_ALPHA:            handleAlphaEffect();            break;        case EFFECT_TRANS:            handleTransEffect();            break;        case EFFECT_SCALE:            handleScaleEffect();            break;        case EFFECT_ROTATE:            handleRotateEffect();            break;        case EFFECT_SCALE_ROTATE:            handleScaleRotateEffect();            break;        case EFFECT_FRAME:            handleFrameEffect();            break;        default:            break;        }    }    private void exit(){        finish();    }        /*     * 监听是否播放状态     */    class EffectAnimationListener implements AnimationListener{        @Override        public void onAnimationEnd(Animation animation) {            exit();        }        @Override        public void onAnimationRepeat(Animation animation) {}        @Override        public void onAnimationStart(Animation animation) {}    }    private void handleAlphaEffect() {        Animation anim = AnimationUtils.loadAnimation(mContext, R.anim.alpha);        anim.setAnimationListener(new EffectAnimationListener());        textWidget = (TextView)findViewById(R.id.text_widget);        textWidget.setText(" 渐变透明度动画效果");        textWidget.startAnimation(anim);        Log.v(TAG,"--------------->handleAlphaEffect");    }    private void handleTransEffect() {        Animation anim = AnimationUtils.loadAnimation(mContext, R.anim.trans);        anim.setAnimationListener(new EffectAnimationListener());        textWidget = (TextView)findViewById(R.id.text_widget);        textWidget.setText(" 转换位置移动动画效果");        textWidget.startAnimation(anim);        Log.v(TAG,"--------------->handleTransEffect");    }    private void handleScaleEffect() {        Animation anim = AnimationUtils.loadAnimation(mContext, R.anim.scale);        anim.setAnimationListener(new EffectAnimationListener());        textWidget = (TextView)findViewById(R.id.text_widget);        textWidget.setText(" 渐变尺寸伸缩动画效果");        textWidget.startAnimation(anim);        Log.v(TAG,"--------------->handleTransEffect");    }    private void handleRotateEffect() {        Animation anim = AnimationUtils.loadAnimation(mContext, R.anim.rotate);        anim.setAnimationListener(new EffectAnimationListener());        textWidget = (TextView)findViewById(R.id.text_widget);        textWidget.setText(" 画面转移旋转动画效果");        textWidget.startAnimation(anim);        Log.v(TAG,"--------------->handleRotateEffect");    }    private void handleScaleRotateEffect(){        Animation anim = AnimationUtils.loadAnimation(mContext, R.anim.scale_rotate);        anim.setAnimationListener(new EffectAnimationListener());        textWidget = (TextView)findViewById(R.id.text_widget);        textWidget.setText(" 画面缩放旋转动画效果");        textWidget.startAnimation(anim);        Log.v(TAG,"--------------->handleRotateEffect");    }        /*     * 监听是否播放状态     */    class FrameAnimationListener implements AnimationDrawableListener{        @Override        public void onAnimationEnd(AnimationDrawable animation) {            exit();        }        @Override        public void onAnimationStart(AnimationDrawable animation) {                    }    }    private void handleFrameEffect() {        AnimationDrawable anim = (AnimationDrawable)getResources().                getDrawable(R.drawable.frame);        CustomAnimDrawable cusAnim = new CustomAnimDrawable(anim);        cusAnim.setAnimationListener(new FrameAnimationListener());        textWidget = (TextView)findViewById(R.id.text_widget);        textWidget.setText(" 画面逐帧动画效果");        textWidget.setBackgroundDrawable(anim);        cusAnim.start();        Log.v(TAG,"--------------->handleFrameEffect");    }}

public class CustomAnimDrawable extends AnimationDrawable {    private final String TAG = "xmp";    private AnimationDrawable mOriAnim;    private AnimationDrawable mSelf;    private Handler mHandler;    private boolean mStarted;    private AnimEndListenerRunnable mEndRunnable;    private AnimationDrawableListener mListener;    public CustomAnimDrawable(AnimationDrawable anim) {        mOriAnim = anim;        initialize();    }    private void initialize() {        mSelf = this;        mStarted = false;        mHandler = new Handler();        mEndRunnable = new AnimEndListenerRunnable();        for (int i = 0; i < mOriAnim.getNumberOfFrames(); i++) {            mSelf.addFrame(mOriAnim.getFrame(i), mOriAnim.getDuration(i));        }    }    @Override    public void start() {        mOriAnim.start();        mStarted = true;        mHandler.post(mEndRunnable);        if (mListener != null) {            mListener.onAnimationStart(mSelf);        }        Log.v(TAG, "------CustomAnimDrawable------>start");    }        /**     * 循环检测 动画的状态     */    class AnimEndListenerRunnable implements Runnable {        @Override        public void run() {            // 动画已开始            if (!mStarted) {                return;            }            // 未停止继续监听            if (!isEnd()) {                //这里的延迟时间是跟你的每一帧动画时间有关，基本保持一致就可以，最后一帧也会完整播放                //上面动画时间为每一帧1000ms，所以这里设为了1000ms                mHandler.postDelayed(mEndRunnable,1000);                return;            }            Log.v(TAG, "----------->over");            // 动画已结束            if (mListener != null) {                mStarted = false;                mListener.onAnimationEnd(mSelf);            }        }    }    /**     * 判断动画是否结束 采用反射机制     * @return     */    private boolean isEnd(){        Class<AnimationDrawable> animClass = AnimationDrawable.class;        try{              //利用Java反射方法判断是否结束            //获得私有方法  例如            //Method method = animClass.getDeclaredMethod("nextFrame",boolean.class);                        //访问其私有变量            Field field = animClass.getDeclaredField("mCurFrame");            field.setAccessible(true);                        int currFrameNum = field.getInt(mOriAnim);            int totalFrameNum = mOriAnim.getNumberOfFrames();            if((currFrameNum == totalFrameNum - 1)||               (currFrameNum == -1)){                return true;            }        }        catch (Exception e) {            Log.v(TAG,"-------->Exception");        }                return false;    }    public void setAnimationListener(AnimationDrawableListener listener) {        mListener = listener;    }        public interface AnimationDrawableListener {        /**         * Notifies the start of the animation         * @param animation         */        public void onAnimationStart(AnimationDrawable animation);        /**         * Notifies the end of the animation         * @param animation         */        public void onAnimationEnd(AnimationDrawable animation);    }}

Code见 https://github.com/huanyi0723/animationTest/

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