900字范文 > Android_自定义水波纹菜单弹出效果

Android_自定义水波纹菜单弹出效果

时间：2019-05-01 07:18:15

效果图：

自定义圆形弹出菜单：

使用的时候，可以将此代码直接复制到自己的项目中

package com.administrator.menunewcustom;import android.animation.Animator;import android.animation.ObjectAnimator;import android.animation.ValueAnimator;import android.content.Context;import android.content.res.Resources;import android.content.res.TypedArray;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Path;import android.graphics.drawable.Drawable;import android.util.AttributeSet;import android.util.TypedValue;import android.view.MotionEvent;import android.view.View;import android.view.animation.AccelerateInterpolator;import android.view.animation.AnticipateOvershootInterpolator;import android.view.animation.LinearInterpolator;import java.util.ArrayList;import java.util.List;/*** Created by Anshul on 24/06/15.*/public class GooeyMenu extends View {private static final long ANIMATION_DURATION = 1000;private static final int DEFUALT_MENU_NO = 5;private final float START_ANGLE = 0f;private final float END_ANGLE = 45f;private int mNumberOfMenu;//Todoprivate final float BEZIER_CONSTANT = 0.551915024494f;// pre-calculated valueprivate int mFabButtonRadius;private int mMenuButtonRadius;private int mGab;private int mCenterX;private int mCenterY;private Paint mCirclePaint;private ArrayList<CirclePoint> mMenuPoints = new ArrayList<>();private ArrayList<ObjectAnimator> mShowAnimation = new ArrayList<>();private ArrayList<ObjectAnimator> mHideAnimation = new ArrayList<>();private ValueAnimator mBezierAnimation, mBezierEndAnimation, mRotationAnimation;private boolean isMenuVisible = true;private Float bezierConstant = BEZIER_CONSTANT;private Bitmap mPlusBitmap;private float mRotationAngle;private ValueAnimator mRotationReverseAnimation;private GooeyMenuInterface mGooeyMenuInterface;private boolean gooeyMenuTouch;private Paint mCircleBorder;private List<Drawable> mDrawableArray;public static final int[] STATE_ACTIVE ={android.R.attr.state_enabled, android.R.attr.state_active};public static final int[] STATE_PRESSED ={android.R.attr.state_enabled, -android.R.attr.state_active,android.R.attr.state_pressed};public GooeyMenu(Context context) {super(context);init(null);}public GooeyMenu(Context context, AttributeSet attrs) {super(context, attrs);init(attrs);}public GooeyMenu(Context context, AttributeSet attrs, int defStyleAttr) {super(context, attrs, defStyleAttr);init(attrs);}public GooeyMenu(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {super(context, attrs, defStyleAttr, defStyleRes);init(attrs);}private void init(AttributeSet attrs) {if (attrs != null) {TypedArray typedArray = getContext().getTheme().obtainStyledAttributes(attrs,R.styleable.GooeyMenu,0, 0);try {mNumberOfMenu = typedArray.getInt(R.styleable.GooeyMenu_no_of_menu, DEFUALT_MENU_NO);mFabButtonRadius = (int) typedArray.getDimension(R.styleable.GooeyMenu_fab_radius, getResources().getDimension(R.dimen.big_circle_radius));mMenuButtonRadius = (int) typedArray.getDimension(R.styleable.GooeyMenu_menu_radius, getResources().getDimension(R.dimen.small_circle_radius));mGab = (int) typedArray.getDimension(R.styleable.GooeyMenu_gap_between_menu_fab, getResources().getDimensionPixelSize(R.dimen.min_gap));TypedValue outValue = new TypedValue();// Read array of target drawablesif (typedArray.getValue(R.styleable.GooeyMenu_menu_drawable, outValue)) {Resources res = getContext().getResources();TypedArray array = res.obtainTypedArray(outValue.resourceId);mDrawableArray = new ArrayList<>(array.length());for (int i = 0; i < array.length(); i++) {TypedValue value = array.peekValue(i);mDrawableArray.add(getResources().getDrawable(value != null ? value.resourceId : 0));}array.recycle();}} finally {typedArray.recycle();typedArray = null;}}mCirclePaint = new Paint();mCirclePaint.setColor(getResources().getColor(R.color.default_color));mCirclePaint.setStyle(Paint.Style.FILL_AND_STROKE);mCircleBorder = new Paint(mCirclePaint);mCircleBorder.setStyle(Paint.Style.STROKE);mCircleBorder.setStrokeWidth(1f);mCircleBorder.setColor(getResources().getColor(R.color.default_color_dark));mBezierEndAnimation = ValueAnimator.ofFloat(BEZIER_CONSTANT + .2f, BEZIER_CONSTANT);mBezierEndAnimation.setInterpolator(new LinearInterpolator());mBezierEndAnimation.setDuration(300);mBezierEndAnimation.addUpdateListener(mBezierUpdateListener);mBezierAnimation = ValueAnimator.ofFloat(BEZIER_CONSTANT - .02f, BEZIER_CONSTANT + .2f);mBezierAnimation.setDuration(ANIMATION_DURATION / 4);mBezierAnimation.setRepeatCount(4);mBezierAnimation.setInterpolator(new LinearInterpolator());mBezierAnimation.addUpdateListener(mBezierUpdateListener);mBezierAnimation.addListener(mBezierAnimationListener);mRotationAnimation = ValueAnimator.ofFloat(START_ANGLE, END_ANGLE);mRotationAnimation.setDuration(ANIMATION_DURATION / 4);mRotationAnimation.setInterpolator(new AccelerateInterpolator());mRotationAnimation.addUpdateListener(mRotationUpdateListener);mRotationReverseAnimation = ValueAnimator.ofFloat(END_ANGLE, START_ANGLE);mRotationReverseAnimation.setDuration(ANIMATION_DURATION / 4);mRotationReverseAnimation.setInterpolator(new AccelerateInterpolator());mRotationReverseAnimation.addUpdateListener(mRotationUpdateListener);}@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {super.onMeasure(widthMeasureSpec, heightMeasureSpec);int desiredWidth;int desiredHeight;desiredWidth = getMeasuredWidth();desiredHeight = getContext().getResources().getDimensionPixelSize(R.dimen.min_height);int widthMode = MeasureSpec.getMode(widthMeasureSpec);int widthSize = MeasureSpec.getSize(widthMeasureSpec);int heightMode = MeasureSpec.getMode(heightMeasureSpec);int heightSize = MeasureSpec.getSize(heightMeasureSpec);int width;int height;//Measure Widthif (widthMode == MeasureSpec.EXACTLY) {//Must be this sizewidth = widthSize;} else if (widthMode == MeasureSpec.AT_MOST) {//Can't be bigger than...width = Math.min(desiredWidth, widthSize);} else {//Be whatever you wantwidth = desiredWidth;}//Measure Heightif (heightMode == MeasureSpec.EXACTLY) {//Must be this sizeheight = heightSize;} else if (heightMode == MeasureSpec.AT_MOST) {//Can't be bigger than...height = Math.min(desiredHeight, heightSize);} else {//Be whatever you wantheight = desiredHeight;}setMeasuredDimension(width, height);}@Overrideprotected void onSizeChanged(int w, int h, int oldw, int oldh) {super.onSizeChanged(w, h, oldw, oldh);mCenterX = w / 2;mCenterY = h - mFabButtonRadius;for (int i = 0; i < mNumberOfMenu; i++) {CirclePoint circlePoint = new CirclePoint();circlePoint.setRadius(mGab);circlePoint.setAngle((Math.PI / (mNumberOfMenu + 1)) * (i + 1));mMenuPoints.add(circlePoint);ObjectAnimator animShow = ObjectAnimator.ofFloat(mMenuPoints.get(i), "Radius", 0f, mGab);animShow.setDuration(ANIMATION_DURATION);animShow.setInterpolator(new AnticipateOvershootInterpolator());animShow.setStartDelay((ANIMATION_DURATION * (mNumberOfMenu - i)) / 10);animShow.addUpdateListener(mUpdateListener);mShowAnimation.add(animShow);ObjectAnimator animHide = animShow.clone();animHide.setFloatValues(mGab, 0f);animHide.setStartDelay((ANIMATION_DURATION * i) / 10);mHideAnimation.add(animHide);if (mDrawableArray != null) {for (Drawable drawable : mDrawableArray)drawable.setBounds(0, 0, /*2 * */mMenuButtonRadius,/* 2 * */mMenuButtonRadius);}}}@Overrideprotected void onAttachedToWindow() {super.onAttachedToWindow();mPlusBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.plus);}@Overrideprotected void onDetachedFromWindow() {super.onDetachedFromWindow();mPlusBitmap = null;mBezierAnimation = null;mHideAnimation.clear();mHideAnimation = null;mShowAnimation.clear();mHideAnimation = null;}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);for (int i = 0; i < mNumberOfMenu; i++) {CirclePoint circlePoint = mMenuPoints.get(i);float x = (float) (circlePoint.radius * Math.cos(circlePoint.angle));float y = (float) (circlePoint.radius * Math.sin(circlePoint.angle));canvas.drawCircle(x + mCenterX, mCenterY - y, mMenuButtonRadius, mCirclePaint);if (i < mDrawableArray.size()) {canvas.save();canvas.translate(x + mCenterX - mMenuButtonRadius / 2, mCenterY - y - mMenuButtonRadius / 2);mDrawableArray.get(i).draw(canvas);canvas.restore();}}canvas.save();canvas.translate(mCenterX, mCenterY);Path path = createPath();canvas.drawPath(path, mCirclePaint);canvas.drawPath(path, mCircleBorder);canvas.rotate(mRotationAngle);canvas.drawBitmap(mPlusBitmap, -mPlusBitmap.getWidth() / 2, -mPlusBitmap.getHeight() / 2, mCirclePaint);canvas.restore();}// Use Bezier path to create circle,/* P_0 = (0,1), P_1 = (c,1), P_2 = (1,c), P_3 = (1,0)P_0 = (1,0), P_1 = (1,-c), P_2 = (c,-1), P_3 = (0,-1)P_0 = (0,-1), P_1 = (-c,-1), P_3 = (-1,-c), P_4 = (-1,0)P_0 = (-1,0), P_1 = (-1,c), P_2 = (-c,1), P_3 = (0,1)with c = 0.551915024494*/private Path createPath() {Path path = new Path();float c = bezierConstant * mFabButtonRadius;path.moveTo(0, mFabButtonRadius);path.cubicTo(bezierConstant * mFabButtonRadius, mFabButtonRadius, mFabButtonRadius, BEZIER_CONSTANT * mFabButtonRadius, mFabButtonRadius, 0);path.cubicTo(mFabButtonRadius, BEZIER_CONSTANT * mFabButtonRadius * (-1), c, (-1) * mFabButtonRadius, 0, (-1) * mFabButtonRadius);path.cubicTo((-1) * c, (-1) * mFabButtonRadius, (-1) * mFabButtonRadius, (-1) * BEZIER_CONSTANT * mFabButtonRadius, (-1) * mFabButtonRadius, 0);path.cubicTo((-1) * mFabButtonRadius, BEZIER_CONSTANT * mFabButtonRadius, (-1) * bezierConstant * mFabButtonRadius, mFabButtonRadius, 0, mFabButtonRadius);return path;}@Overridepublic boolean onTouchEvent(MotionEvent event) {switch (event.getAction()) {case MotionEvent.ACTION_DOWN:if (isGooeyMenuTouch(event)) {return true;}int menuItem = isMenuItemTouched(event);if (isMenuVisible && menuItem > 0) {if (menuItem <= mDrawableArray.size()) {mDrawableArray.get(mMenuPoints.size() - menuItem).setState(STATE_PRESSED);invalidate();}return true;}return false;case MotionEvent.ACTION_UP:if (isGooeyMenuTouch(event)) {mBezierAnimation.start();cancelAllAnimation();if (isMenuVisible) {startHideAnimate();if (mGooeyMenuInterface != null) {mGooeyMenuInterface.menuClose();}} else {startShowAnimate();if (mGooeyMenuInterface != null) {mGooeyMenuInterface.menuOpen();}}isMenuVisible = !isMenuVisible;return true;}if (isMenuVisible) {menuItem = isMenuItemTouched(event);invalidate();if (menuItem > 0) {if (menuItem <= mDrawableArray.size()) {mDrawableArray.get(mMenuPoints.size() - menuItem).setState(STATE_ACTIVE);postInvalidateDelayed(1000);}if (mGooeyMenuInterface != null) {mGooeyMenuInterface.menuItemClicked(menuItem);}return true;}}return false;}return true;}private int isMenuItemTouched(MotionEvent event) {if (!isMenuVisible) {return -1;}for (int i = 0; i < mMenuPoints.size(); i++) {CirclePoint circlePoint = mMenuPoints.get(i);float x = (float) (mGab * Math.cos(circlePoint.angle)) + mCenterX;float y = mCenterY - (float) (mGab * Math.sin(circlePoint.angle));if (event.getX() >= x - mMenuButtonRadius && event.getX() <= x + mMenuButtonRadius) {if (event.getY() >= y - mMenuButtonRadius && event.getY() <= y + mMenuButtonRadius) {return mMenuPoints.size() - i;}}}return -1;}public void setOnMenuListener(GooeyMenuInterface onMenuListener) {mGooeyMenuInterface = onMenuListener;}public boolean isGooeyMenuTouch(MotionEvent event) {if (event.getX() >= mCenterX - mFabButtonRadius && event.getX() <= mCenterX + mFabButtonRadius) {if (event.getY() >= mCenterY - mFabButtonRadius && event.getY() <= mCenterY + mFabButtonRadius) {return true;}}return false;}// Helper class for animation and Menu Item cicle center Pointspublic class CirclePoint {private float x;private float y;private float radius = 0.0f;private double angle = 0.0f;public void setX(float x1) {x = x1;}public float getX() {return x;}public void setY(float y1) {y = y1;}public float getY() {return y;}public void setRadius(float r) {radius = r;}public float getRadius() {return radius;}public void setAngle(double angle) {this.angle = angle;}public double getAngle() {return angle;}}private void startShowAnimate() {mRotationAnimation.start();for (ObjectAnimator objectAnimator : mShowAnimation) {objectAnimator.start();}}private void startHideAnimate() {mRotationReverseAnimation.start();for (ObjectAnimator objectAnimator : mHideAnimation) {objectAnimator.start();}}private void cancelAllAnimation() {for (ObjectAnimator objectAnimator : mHideAnimation) {objectAnimator.cancel();}for (ObjectAnimator objectAnimator : mShowAnimation) {objectAnimator.cancel();}}ValueAnimator.AnimatorUpdateListener mUpdateListener = new ValueAnimator.AnimatorUpdateListener() {@Overridepublic void onAnimationUpdate(ValueAnimator valueAnimator) {invalidate();}};ValueAnimator.AnimatorUpdateListener mBezierUpdateListener = new ValueAnimator.AnimatorUpdateListener() {@Overridepublic void onAnimationUpdate(ValueAnimator valueAnimator) {bezierConstant = (float) valueAnimator.getAnimatedValue();invalidate();}};ValueAnimator.AnimatorUpdateListener mRotationUpdateListener = new ValueAnimator.AnimatorUpdateListener() {@Overridepublic void onAnimationUpdate(ValueAnimator valueAnimator) {mRotationAngle = (float) valueAnimator.getAnimatedValue();invalidate();}};ValueAnimator.AnimatorListener mBezierAnimationListener = new Animator.AnimatorListener() {@Overridepublic void onAnimationStart(Animator animator) {}@Overridepublic void onAnimationEnd(Animator animator) {mBezierEndAnimation.start();}@Overridepublic void onAnimationCancel(Animator animator) {}@Overridepublic void onAnimationRepeat(Animator animator) {}};public interface GooeyMenuInterface {/*** Called when menu opened*/void menuOpen();/*** Called when menu Closed*/void menuClose();/*** Called when Menu item Clicked** @param menuNumber give menu number which clicked.*/void menuItemClicked(int menuNumber);}}

在而布局文件中的使用

java代码中的使用

package com.administrator.menunewcustom;import android.support.v7.app.ActionBarActivity;import android.os.Bundle;import android.view.Gravity;import android.view.Menu;import android.view.MenuItem;import android.widget.Toast;public class MainActivity extends ActionBarActivity implements GooeyMenu.GooeyMenuInterface {private GooeyMenu mGooeyMenu;private Toast mToast;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mGooeyMenu = (GooeyMenu) findViewById(R.id.gooey_menu);mGooeyMenu.setOnMenuListener(this);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.menu_main, menu);return true;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {// Handle action bar item clicks here. The action bar will// automatically handle clicks on the Home/Up button, so long// as you specify a parent activity in AndroidManifest.xml.int id = item.getItemId();//noinspection SimplifiableIfStatementif (id == R.id.action_settings) {return true;}return super.onOptionsItemSelected(item);}@Overridepublic void menuOpen() {showToast("Menu Open");}@Overridepublic void menuClose() {showToast( "Menu Close");}@Overridepublic void menuItemClicked(int menuNumber) {showToast( "Menu item clicked : " + menuNumber);}private void showToast(String msg){if(mToast!=null){mToast.cancel();}mToast= Toast.makeText(this,msg,Toast.LENGTH_SHORT);mToast.setGravity(Gravity.CENTER,0,0);mToast.show();}}

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