Android 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/