button在底部的多个view切换<实例三触摸和点击实现3D切换>

package com.isomobile.widgets; import android.app.Activity; import android.app.ActivityGroup; import android.content.Context; import android.content.Intent; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.animation.Animation; import android.widget.Button; import android.widget.RelativeLayout; public class MainViewManager { private static final int FLING_MIN_DISTANCE = 120; private static final int FLING_MIN_VELOCITY = 200; private final static int DISTENCE_X = 240, DISTENCE_Y = 0; private final static int ROTATE_ANIMATION_DURATION = 300; private final static int DEFAULT_FLING_ANGLE = 30; public final static Class<?>[] sActivityClasses = new Class[]{ Activity1.class, Activity2.class, Activity3.class, Activity4.class, Activity5.class }; public final static int[] sResIds = new int[]{ R.id.btn1, R.id.btn2, R.id.btn3, R.id.btn4, R.id.btn5 }; public final static String[] sActivityIds = new String[]{ "Activity1", "Activity2", "Activity3", "Activity4", "Activity5" }; private int mPreBtnPos = 0, mCurBtnPos = 0; private RelativeLayout mViewContainer; private View mPreView; private View[] mCurView = new View[sResIds.length]; private Button[] mBtns = new Button[sResIds.length]; private static MainViewManager mInstance = new MainViewManager(); private MainViewManager() { } public static MainViewManager getInstance() { return mInstance; } public int getCurBtnId(int index) { return sResIds[index]; } public void setCurBtnPos(int rid) { mCurBtnPos = getCurBtnIndex(rid); } public View getCurView(int index) { return mCurView[index]; } public void setupViews(Context context) { mViewContainer = (RelativeLayout) ((Activity) context).findViewById(R.id.container); final Button[] btns = mBtns; for (int i = 0; i < btns.length; i++) { btns[i] = (Button) ((Activity) context).findViewById(sResIds[i]); btns[i].setOnClickListener((OnClickListener) context); } // 第一次启动时，默认跳转到第一个activity mCurView[0] = ((ActivityGroup) context).getLocalActivityManager().startActivity( sActivityIds[0], new Intent(context, sActivityClasses[0]).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)) .getDecorView(); mViewContainer.addView(mCurView[0]); mPreView = mCurView[0]; mPreBtnPos = 0; } public int getCurBtnIndex(int rid) { final int length = sResIds.length; for (int i = 0; i < length; i++) { if (rid == sResIds[i]) { return i; } } return 0; } public int getCurBtnResid(){ return sResIds[mCurBtnPos]; } public boolean getMotionState(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY){ return e1.getX() - e2.getX() > FLING_MIN_DISTANCE && Math.abs(velocityX) > FLING_MIN_VELOCITY && Math.abs(Math.toDegrees(Math.atan((e1.getY() - e2.getY()) / (e1.getX() - e2.getX())))) < DEFAULT_FLING_ANGLE; } public void processViews(Context context) { mViewContainer.removeAllViews(); final Intent intent = new Intent(context, sActivityClasses[mCurBtnPos]); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); mCurView[mCurBtnPos] = ((ActivityGroup) context).getLocalActivityManager().startActivity( sActivityIds[mCurBtnPos], intent).getDecorView(); } public void onRotateAnimation(int index) { if (mPreBtnPos > mCurBtnPos) { Rotate3d.rightRotate(mPreView, mCurView[index], DISTENCE_X, DISTENCE_Y, ROTATE_ANIMATION_DURATION, new AnimListener()); } else { Rotate3d.leftRotate(mPreView, mCurView[index], DISTENCE_X, DISTENCE_Y, ROTATE_ANIMATION_DURATION, new AnimListener()); } mPreView = mCurView[index]; mViewContainer.removeAllViews(); mViewContainer.addView(mCurView[index]); mPreBtnPos = mCurBtnPos; } private final static class AnimListener implements Animation.AnimationListener { public void onAnimationEnd(Animation animation) { // 可以设置buttons的背景或者状态(是否可点击等) } public void onAnimationRepeat(Animation animation) { } public void onAnimationStart(Animation animation) { // 可以设置buttons的背景或者状态(是否可点击等) } } }