package com.duqing.missions.widgets;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.MotionEvent;
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import android.view.View;
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import androidx.annotation.ColorInt;
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import androidx.annotation.Nullable;
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import com.duqing.missions.R;
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import com.duqing.missions.util.DimensionUtils;
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/**
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* Created by Administrator on 2021/11/1 0001.
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*/
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public class TitleBarView extends View {
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Drawable leftDra,rightDra;
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private Rect mRect; // 绘制区域
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private RectF leftClickRect,rightClickRect;//点击事件响应区域
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String titleText,rightText;
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@ColorInt int titleColor,rightTextColor;
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float titleSize,rightTextSize,rightPadding;
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Paint textPaint,rightTextPaint,drawPaint;
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int viewWidth,viewHeight;
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OnClickListener leftClick,rightClick;
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int touchStartX,touchStartY;
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public TitleBarView(Context context) {
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this(context,null);
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}
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public TitleBarView(Context context, @Nullable AttributeSet attrs) {
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this(context, attrs,0);
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}
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public TitleBarView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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initWidget(context.obtainStyledAttributes(attrs,R.styleable.TitleBarView));
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}
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public TitleBarView(Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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initWidget(context.obtainStyledAttributes(attrs,R.styleable.TitleBarView));
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}
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public void initWidget(TypedArray array){
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leftDra = array.getDrawable(R.styleable.TitleBarView_leftDrawable);
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rightDra = array.getDrawable(R.styleable.TitleBarView_rightDrawable);
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titleText = array.getString(R.styleable.TitleBarView_titleText);
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titleColor = array.getColor(R.styleable.TitleBarView_titleTextColor, Color.BLACK);
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titleSize = array.getDimension(R.styleable.TitleBarView_titleTextSize, DimensionUtils.convertSpToPixel(getContext(),16));
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rightText = array.getString(R.styleable.TitleBarView_rightText);
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rightTextColor = array.getColor(R.styleable.TitleBarView_rightTextColor,Color.BLACK);
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rightTextSize = array.getDimension(R.styleable.TitleBarView_rightTextSize, DimensionUtils.convertSpToPixel(getContext(),14));
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rightPadding = array.getDimension(R.styleable.TitleBarView_rightDrawablePadding,10);
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textPaint = new Paint();
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textPaint.setAntiAlias(true); // 是否抗锯齿
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//mTextPaint.setAlpha(50); // 设置alpha不透明度，范围为0~255
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textPaint.setColor(titleColor);
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textPaint.setTextSize(titleSize);
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// 设置画笔属性
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textPaint.setStyle(Paint.Style.FILL);//画笔属性是实心圆
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// paint.setStyle(Paint.Style.STROKE);//画笔属性是空心圆
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textPaint.setStrokeWidth(4);//设置画笔粗细
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rightTextPaint = new Paint();
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rightTextPaint.setAntiAlias(true); // 是否抗锯齿
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//mTextPaint.setAlpha(50); // 设置alpha不透明度，范围为0~255
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rightTextPaint.setColor(rightTextColor);
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rightTextPaint.setTextSize(rightTextSize);
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// 设置画笔属性
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rightTextPaint.setStyle(Paint.Style.FILL);//画笔属性是实心圆
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// paint.setStyle(Paint.Style.STROKE);//画笔属性是空心圆
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rightTextPaint.setStrokeWidth(4);//设置画笔粗细
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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viewWidth = getMeasuredWidth() - getPaddingLeft() - getPaddingRight();
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viewHeight = getMeasuredHeight() - getPaddingTop() - getPaddingBottom();
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mRect = new Rect(getPaddingLeft(),getPaddingTop(),getMeasuredWidth() - getPaddingRight(),getMeasuredHeight() - getPaddingBottom());
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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Log.e("TitleBarView","mRect:"+mRect);
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if(leftDra != null){
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final Bitmap bitmap = ((BitmapDrawable) leftDra).getBitmap();
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float top = mRect.top+(viewHeight-bitmap.getHeight()*2f)/2;
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float left = mRect.left-bitmap.getWidth()*0.5f;
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leftClickRect = new RectF(left,top,left + (bitmap.getWidth()*2f),top + bitmap.getHeight()*2f);
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canvas.drawBitmap(bitmap,mRect.left,mRect.top+(viewHeight-bitmap.getHeight())/2,null);
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}
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if(rightDra != null){
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final Bitmap bitmap = ((BitmapDrawable) rightDra).getBitmap();
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float chaTop = (viewHeight-bitmap.getHeight())/2;
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float top = mRect.top+chaTop;
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float left = mRect.right-bitmap.getWidth();
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rightClickRect = new RectF(left-bitmap.getWidth()/2,top-bitmap.getHeight()/2,left+bitmap.getWidth()*2f,top+bitmap.getHeight()*1.5f);
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canvas.drawBitmap(bitmap,left,top,null);
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}
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if(titleText != null){
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final int textWidth = getTextWidth(textPaint, titleText);
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final int textHeight = getTextHeight(textPaint);
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final Paint.FontMetrics fontMetrics = textPaint.getFontMetrics();
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canvas.drawText(titleText,mRect.left+((viewWidth-textWidth)/2),mRect.top+((viewHeight-textHeight)/2)+(0-fontMetrics.ascent),textPaint);
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}
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if(rightText != null){
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final int textWidth = getTextWidth(rightTextPaint, rightText);
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final int textHeight = getTextHeight(rightTextPaint);
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final Paint.FontMetrics fontMetrics = rightTextPaint.getFontMetrics();
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float left = mRect.right-textWidth;
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float top = mRect.top+((viewHeight-textHeight)/2)+(0-fontMetrics.ascent);
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rightClickRect = new RectF(left-textWidth/2,top-textHeight,left+textWidth*2f,top+textHeight/2);
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canvas.drawText(rightText,left,top,rightTextPaint);
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}
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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int x = (int) event.getX();
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int y = (int) event.getY();
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int action = event.getAction();
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switch (action) {
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case MotionEvent.ACTION_DOWN:
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touchStartX = x;
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touchStartY = y;
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break;
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case MotionEvent.ACTION_MOVE:
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break;
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case MotionEvent.ACTION_UP:
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if(isTouched(x,y,leftClickRect) && leftClick != null){
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leftClick.onClick(this);
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}else if(isTouched(x,y,rightClickRect) && rightClick != null){
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rightClick.onClick(this);
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}
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break;
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}
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return true;
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}
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/**
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* 是否为点击事件
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* @param x
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* @param y
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* @param rectF
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* @return
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*/
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private boolean isTouched(int x, int y, RectF rectF){
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if(rectF == null){
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return false;
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}
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if(x < rectF.right && x > rectF.left &&
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touchStartX < rectF.right && touchStartX > rectF.left &&
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y < rectF.bottom && y > rectF.top &&
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touchStartY < rectF.bottom && touchStartY > rectF.top ){
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return true;
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}
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return false;
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}
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public void setLeftDra(Drawable leftDra) {
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this.leftDra = leftDra;
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invalidate();
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}
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public void setRightDra(Drawable rightDra) {
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this.rightDra = rightDra;
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invalidate();
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}
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public void setTitleText(String titleText) {
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this.titleText = titleText;
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invalidate();
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}
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public void setRightText(String rightText) {
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this.rightText = rightText;
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invalidate();
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}
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public void setTitleColor(@ColorInt int titleColor) {
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textPaint.setColor(titleColor);
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invalidate();
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}
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public void setRightTextColor(@ColorInt int rightTextColor) {
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rightTextPaint.setColor(rightTextColor);
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invalidate();
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}
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public void setTitleSize(int titleSize) {
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textPaint.setTextSize(DimensionUtils.convertSpToPixel(getContext(),titleSize));
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invalidate();
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}
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public void setRightTextSize(float rightTextSize) {
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rightTextPaint.setTextSize(DimensionUtils.convertSpToPixel(getContext(),rightTextSize));
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invalidate();
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}
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public void setRightPadding(float rightPadding) {
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this.rightPadding = rightPadding;
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invalidate();
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}
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public void setLeftClick(OnClickListener leftClick) {
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this.leftClick = leftClick;
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}
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public void setRightClick(OnClickListener rightClick) {
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this.rightClick = rightClick;
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}
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//第二个参数是一个数组.传进去个长度跟字符串长度相同的float数组,方法调用后,里边塞的是每个字符的长度.
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public int getTextWidth(Paint paint, String str) {
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int iRet = 0;
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if (str != null && str.length() > 0) {
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int len = str.length();
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float[] widths = new float[len];
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paint.getTextWidths(str, widths);
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for (int j = 0; j < len; j++) {
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iRet += (int) Math.ceil(widths[j]);
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}
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}
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return iRet;
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}
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//第二个参数是一个数组.传进去个长度跟字符串长度相同的float数组,方法调用后,里边塞的是每个字符的长度.
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public int getTextHeight(Paint paint) {
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Paint.FontMetrics fm = paint.getFontMetrics();
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float height1 = fm.descent - fm.ascent;//文字的高度
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float height2 = fm.bottom - fm.top + fm.leading;//行高
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return (int) height2;
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}
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}
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