canvas.drawBitmap(ivBitmap, null, rectF, null);报错

canvas.drawBitmap( bitmap, null, RectF, null ) not drawing up vote 1 down vote favorite I'm trying to get a bitmap image to be drawn on my ...

Rectf rectF = new RectF(0, 0, w, h); //w和h分别是屏幕的宽和高,也就是你想让图片显示的宽和高 canvas.drawBitmap(bitmap, null, rectF, null); ...

Rectf rectF = new RectF(0, 0, w, h); //w和h分别是屏幕的宽和高,也就是你想让图片显示的宽和高 canvas.drawBitmap(bitmap, null, rectF, null); ...

canvas.drawBitmap(bitmap, null, rectF, null); 复制代码 今天,我又来了 回复 使用道具 举报 晃晃悠悠 3066积分 817威望 305金钱 积分 3066 收听TA 发消息 ...

android canvas.drawbitmap(bitmap,0,0,null)什么意思?我稍微查了下,第二个...有两个问题:第一,两个参数都为0是什么意思,null表示什么?第二,如果要设置...

Rectf rectF = new RectF(0, 0, w, h); //w和h分别是屏幕的宽和高,也就是你想让图片显示的宽和高 canvas.drawBitmap(bitmap, null, rectF, null); ...

Rectf rectF = new RectF(0, 0, w, h); //w和h分别是屏幕的宽和高,也就是你想让图片显示的宽和高 canvas.drawBitmap(bitmap, null, rectF, null); ...

canvas.drawBitmap(mIconBitmap, null, mIconRect, null)这句报空指针canvas.drawBitmap(mIconBitmap, null, mIconRect, null)这个语句在Eclipse上可以不报错,在...

//表示需绘画的图片的右下角 canvas.drawBitmap(blt, src, dst, null);//...而不是全部图片,第三个参数表示该图片绘画的位置 src = http://www.xierhe.com/it/null; dst = null;...

canvas.drawBitmap(mIconBitmap,null,mIconRect,null);? 这行代码报错了java.lang.NullPointerException at android....