设置界面

nilupeng

2022-08-11 6c29fda2b7408c13a486554c5be9d3c6b8296b95

 app/src/main/java/com/runt/open/mvvm/widgets/TitleBarView.java

@@ -2,22 +2,14 @@

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.*;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;

import androidx.annotation.ColorInt;
import androidx.annotation.Nullable;

import com.runt.open.mvvm.R;
import com.runt.open.mvvm.util.DimensionUtils;

@@ -32,7 +24,7 @@
    String titleText,rightText;
    @ColorInt int titleColor,rightTextColor;
    float titleSize,rightTextSize,rightPadding;
    Paint textPaint,rightTextPaint,drawPaint;
    Paint textPaint,rightTextPaint;
    int viewWidth,viewHeight;
    OnClickListener leftClick,rightClick;
    int touchStartX,touchStartY;
@@ -75,27 +67,24 @@
        if(rightTint != -1) {
            setTint(rightDra,rightTint);
        }
        textPaint = new Paint();
        textPaint.setAntiAlias(true); // 是否抗锯齿

        textPaint = initPaint(titleColor,titleSize,4);

        rightTextPaint = initPaint(rightTextColor,rightTextSize,4);

    }

    private Paint initPaint(int color,float size,int stroke){
        Paint paint = new Paint();
        paint.setAntiAlias(true); // 是否抗锯齿
        //mTextPaint.setAlpha(50); // 设置alpha不透明度，范围为0~255
        textPaint.setColor(titleColor);
        textPaint.setTextSize(titleSize);
        paint.setColor(color);
        paint.setTextSize(size);
        //        设置画笔属性
        textPaint.setStyle(Paint.Style.FILL);//画笔属性是实心圆
        paint.setStyle(Paint.Style.FILL);//画笔属性是实心圆
        //  paint.setStyle(Paint.Style.STROKE);//画笔属性是空心圆
        textPaint.setStrokeWidth(4);//设置画笔粗细


        rightTextPaint = new Paint();
        rightTextPaint.setAntiAlias(true); // 是否抗锯齿
        //mTextPaint.setAlpha(50); // 设置alpha不透明度，范围为0~255
        rightTextPaint.setColor(rightTextColor);
        rightTextPaint.setTextSize(rightTextSize);
        //        设置画笔属性
        rightTextPaint.setStyle(Paint.Style.FILL);//画笔属性是实心圆
        //  paint.setStyle(Paint.Style.STROKE);//画笔属性是空心圆
        rightTextPaint.setStrokeWidth(4);//设置画笔粗细

        paint.setStrokeWidth(stroke);//设置画笔粗细
        return paint;
    }

    @Override
@@ -113,36 +102,49 @@
        super.onDraw(canvas);
        Log.e("TitleBarView","onDraw mRect:"+mRect);
        if(leftDra != null){
            final Bitmap bitmap = ((BitmapDrawable) leftDra).getBitmap();
            float top = mRect.top+(viewHeight-bitmap.getHeight()*2f)/2;
            float left = mRect.left-bitmap.getWidth()*0.5f;
            leftClickRect = new RectF(left,top,left + (bitmap.getWidth()*2f),top + bitmap.getHeight()*2f);
            canvas.drawBitmap(bitmap,mRect.left,mRect.top+(viewHeight-bitmap.getHeight())/2,null);
            //点击的区域
            leftClickRect = drawBitmap(leftDra,canvas,getPaddingLeft());

        }
        if(rightDra != null){
            final Bitmap bitmap = ((BitmapDrawable) rightDra).getBitmap();
            float chaTop = (viewHeight-bitmap.getHeight())/2;
            float top = mRect.top+chaTop;
            float left = mRect.right-bitmap.getWidth();
            rightClickRect = new RectF(left-bitmap.getWidth()/2,top-bitmap.getHeight()/2,left+bitmap.getWidth()*2f,top+bitmap.getHeight()*1.5f);
            canvas.drawBitmap(bitmap,left,top,null);
            //点击的区域
            rightClickRect = drawBitmap(rightDra,canvas,getPaddingRight()+viewWidth);
        }
        if(titleText != null){
            final int textWidth = getTextWidth(textPaint, titleText);
            final int textHeight = getTextHeight(textPaint);
            final Paint.FontMetrics fontMetrics = textPaint.getFontMetrics();
            canvas.drawText(titleText,mRect.left+((viewWidth-textWidth)/2),mRect.top+((viewHeight-textHeight)/2)+(0-fontMetrics.ascent),textPaint);
            final float[] textHeight = getTextHeight(textPaint);
            float top = (getHeight()-textHeight[0])/2-textPaint.getFontMetrics().ascent;
            canvas.drawText(titleText,mRect.left+((viewWidth-textWidth)/2),top,textPaint);
        }
        if(rightText != null){
            final int textWidth = getTextWidth(rightTextPaint, rightText);
            final int textHeight = getTextHeight(rightTextPaint);
            final Paint.FontMetrics fontMetrics = rightTextPaint.getFontMetrics();
            final float[] textHeight = getTextHeight(rightTextPaint);
            float chaleft = textWidth*0.5f;
            float chaTop = textHeight[0]*0.5f;
            float left = mRect.right-textWidth;
            float top = mRect.top+((viewHeight-textHeight)/2)+(0-fontMetrics.ascent);
            rightClickRect = new RectF(left-textWidth/2,top-textHeight,left+textWidth*2f,top+textHeight/2);
            float top = (getHeight()-textHeight[0])/2-textPaint.getFontMetrics().ascent;
            rightClickRect = new RectF(left-chaleft,top-chaTop,left +chaleft*3,top + chaTop*3);
            canvas.drawText(rightText,left,top,rightTextPaint);
        }
    }

    /**
     * 绘制图片
     * @param drawable
     * @param canvas
     * @return  点击的区域
     */
    private RectF drawBitmap(Drawable drawable,Canvas canvas,float left){
        final Bitmap bitmap = drawableToBitmap(drawable);
        if(left>viewWidth){//右侧
            left -= bitmap.getWidth();
        }
        float chaTop = bitmap.getHeight()*0.5f;
        float chaleft = bitmap.getWidth()*0.5f;
        //绘制的位置
        float top = (getHeight()-bitmap.getHeight())/2;
        canvas.drawBitmap(bitmap,left,top,null);
        return new RectF(left-chaleft,top-chaTop,left +chaleft*3,top + chaTop*3);
    }
    @Override
    public boolean onTouchEvent(MotionEvent event) {
@@ -255,11 +257,11 @@
    }

    //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.
    public  int  getTextHeight(Paint paint) {
    public float[] getTextHeight(Paint paint) {
        Paint.FontMetrics fm = paint.getFontMetrics();
        float height1 = fm.descent - fm.ascent;//文字的高度
        float height2 = fm.bottom - fm.top + fm.leading;//行高
        return (int) height2;
        return new float[]{height1,height2};
    }

    private void setTint(Drawable drawable, @ColorInt int color){
@@ -267,4 +269,19 @@
            drawable.setTint(color);
        }
    }


    private Bitmap drawableToBitmap(Drawable drawable){
        int w = drawable.getIntrinsicWidth();
        int h = drawable.getIntrinsicHeight();
        Bitmap.Config config =
                drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888
                        : Bitmap.Config.RGB_565;
        Bitmap bitmap = Bitmap.createBitmap(w,h,config);
        //注意，下面三行代码要用到，否在在View或者surfaceview里的canvas.drawBitmap会看不到图
        Canvas canvas = new Canvas(bitmap);
        drawable.setBounds(0, 0, w, h);
        drawable.draw(canvas);
        return bitmap;
    }
}