android用户指引的操作类

package com.zhl.userguideview; import android.app.Activity; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.BlurMaskFilter; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.PorterDuff; import android.graphics.PorterDuffXfermode; import android.graphics.Rect; import android.graphics.RectF; import android.graphics.Typeface; import android.graphics.drawable.BitmapDrawable; import android.os.Build; import android.text.TextUtils; import android.util.AttributeSet; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver; import java.util.LinkedList; /** * 描述：一个用于“应用新特性”的用户指引view */ public class UserGuideView extends View implements ViewTreeObserver.OnScrollChangedListener { public static final int VIEWSTYLE_RECT = 0; public static final int VIEWSTYLE_CIRCLE = 1; public static final int VIEWSTYLE_OVAL = 2; public static final int MASKBLURSTYLE_SOLID = 0; public static final int MASKBLURSTYLE_NORMAL = 1; private final int dip100, dip50, dip150, dip10, dip200, dip250, dip300; private Bitmap fgBitmap;// 前景 private Bitmap jtUpLeft, jtUpRight, jtDownRight, jtDownLeft;// 指示箭头 private Canvas mCanvas;// 绘制蒙版层的画布 private Paint mPaint;// 绘制蒙版层画笔 private int screenW, screenH;// 屏幕宽高 private View targetView; private boolean touchOutsideCancel = true; private int borderWitdh = 10; private int margin = 40; private int highLightStyle = VIEWSTYLE_RECT; public int maskblurstyle = MASKBLURSTYLE_SOLID; private Bitmap tipBitmap; private int radius; private int maskColor = 0x99000000;// 蒙版层颜色 private OnDismissListener onDismissListener; private int statusBarHeight = 0;// 状态栏高度 private String text = "提示："; private Paint textPaint; private int bg_color = 0xffff8800; private Paint bottomPaint; private RectF rect1; private OnNextClickListener onNextClickListener; private String[] list; private int clickCount = 0; private String title = ""; private String[] tipTexts; private View[] views; private Bitmap[] tipBitmaps; private OnScrollListener onScrollListener; private boolean isCenter; private boolean isLeft, isRight, isMillden, isDr, isRd; private int left; private int top; private int right; private int bottom; private int jtTop; private int textH; public UserGuideView(Context context) { this(context, null); } public UserGuideView(Context context, AttributeSet set) { this(context, set, -1); } public UserGuideView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); if (attrs != null) { TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.UserGuideView); highLightStyle = array.getInt(R.styleable.UserGuideView_HighlightViewStyle, VIEWSTYLE_RECT); maskblurstyle = array.getInt(R.styleable.UserGuideView_MaskBlurStyle, MASKBLURSTYLE_SOLID); text = array.getString(R.styleable.UserGuideView_textcontext); BitmapDrawable drawable = (BitmapDrawable) array.getDrawable(R.styleable.UserGuideView_tipView); maskColor = array.getColor(R.styleable.UserGuideView_maskColor, maskColor); if (drawable != null) { tipBitmap = drawable.getBitmap(); } array.recycle(); } dip100 = dip2px(context, 50); dip10 = dip2px(context, 5); dip50 = dip2px(context, 25); dip200 = dip2px(context, 100); dip250 = dip2px(context, 125); dip150 = dip2px(context, 75); dip300 = dip2px(context, 150); // 计算参数 cal(context); // 初始化对象 init(context); } /** * 计算参数 * * @param context 上下文环境引用 */ private void cal(Context context) { // 获取屏幕尺寸数组 int[] screenSize = MeasureUtil.getScreenSize((Activity) context); // 获取屏幕宽高 screenW = screenSize[0]; screenH = screenSize[1]; Rect frame = new Rect(); ((Activity) context).getWindow().getDecorView().getWindowVisibleDisplayFrame(frame); statusBarHeight = frame.top; if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) { statusBarHeight = 44; } } /** * 初始化对象 */ private void init(Context context) { // 关闭硬件加速 // setLayerType(LAYER_TYPE_SOFTWARE,null); // 实例化画笔并开启其抗锯齿和抗抖动 mPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG); textPaint = new Paint(); textPaint.setColor(Color.WHITE); textPaint.setTextSize(45); textPaint.setTypeface(Typeface.SANS_SERIF); bottomPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG); bottomPaint.setColor(bg_color); bottomPaint.setStrokeWidth(2); // 设置画笔透明度为0是关键！ mPaint.setARGB(0, 255, 0, 0); // 设置混合模式为DST_IN mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN)); BlurMaskFilter.Blur blurStyle = null; switch (maskblurstyle) { case MASKBLURSTYLE_SOLID: blurStyle = BlurMaskFilter.Blur.SOLID; break; case MASKBLURSTYLE_NORMAL: blurStyle = BlurMaskFilter.Blur.NORMAL; break; } mPaint.setMaskFilter(new BlurMaskFilter(15, blurStyle)); // 生成前景图Bitmap fgBitmap = Bitmap.createBitmap(screenW, screenH, Bitmap.Config.ARGB_8888); // 将其注入画布 mCanvas = new Canvas(fgBitmap); // 绘制前景画布 mCanvas.drawColor(maskColor); // 实例化箭头图片 jtDownRight = BitmapFactory.decodeResource(getResources(), R.drawable.jt_down_right); jtDownLeft = BitmapFactory.decodeResource(getResources(), R.drawable.jt_down_left); jtUpLeft = BitmapFactory.decodeResource(getResources(), R.drawable.jt_up_left); jtUpRight = BitmapFactory.decodeResource(getResources(), R.drawable.jt_up_right); } @Override protected void onDraw(Canvas canvas) { init(null); if (targetView == null) { return; } // 绘制前景 canvas.drawBitmap(fgBitmap, 0, 0, null); left = 0; top = 0; right = 0; bottom = 0; int vWidth = targetView.getWidth(); int vHeight = targetView.getHeight(); if (isCenter) drawSureButton(canvas, screenW / 2 - dip250, screenH / 2 + dip150, screenW / 2 + dip250, screenH / 2 + dip250); Rect tagetRect = new Rect(); targetView.getGlobalVisibleRect(tagetRect); tagetRect.offset(0, -statusBarHeight); left = tagetRect.left; top = tagetRect.top; right = tagetRect.right; bottom = tagetRect.bottom; switch (highLightStyle) { case VIEWSTYLE_RECT: RectF rect = new RectF(left - borderWitdh, top - borderWitdh, right + borderWitdh, bottom + borderWitdh); mCanvas.drawRoundRect(rect, 20, 20, mPaint); break; case VIEWSTYLE_CIRCLE: radius = vWidth > vHeight ? vWidth / 2 - dip100 : vHeight / 2 - dip100; if (radius < 50) { radius = 100; } mCanvas.drawCircle(left + vWidth / 2, top + vHeight / 2, radius, mPaint); break;