toString())); // 将字节数组转换为ImageView可调用的Bitmap对象 Bitmap myBitmap=getPicFromBytes(mContent,null); // //把得到的图片绑定在控件上显示 iv.setImageBitmap(myBitmap); }catch(Exception e) { System.out.println(e.getMessage()); } } } 跟踪了一下,一切运行顺利,数据也顺利拿到,但是iv...
readStream(),和getPicFromBytes() 如下: public static Bitmap getPicFromBytes(byte[] bytes, BitmapFactory.Options opts) { if (bytes != null) if (opts != null) return BitmapFactory.decodeByteArray(bytes, 0, bytes.length, opts); else return BitmapFactory.decodeByteArray(bytes, 0, bytes.len...
Android ImageView setImageBitmap 不显示图片 从sd卡里读出图片后有时调用setImageBitmap(bitmap)方法会显示不出图片,仔细考虑过后原来是加载的图片过大导致的,解决办法为: BitmapFactory.Options op =newBitmapFactory.Options(); op.inSampleSize=2;//op.inJustDecodeBounds = true;//它仅仅会把它的宽,高取回来...
public void loadBitmap(int resId, ImageView imageView) { final String imageKey = String.valueOf(resId); final Bitmap bitmap = getBitmapFromMemCache(imageKey); if (bitmap != null) { mImageView.setImageBitmap(bitmap); } else { mImageView.setImageResource(R.drawable.image_placeholder); Bit...
ImageView 构造函数 属性 方法 AnimateTransform ClearColorFilter GetScaleType OnCreateDrawableState SetAdjustViewBounds SetAlpha SetBaseline SetColorFilter SetFrame SetImageBitmap SetImageDrawable SetImageIcon SetImageLevel SetImageResource SetImageState
.into(imageView);//ImageView对象 1. 2. 3. 这样就可以将图片加载到指定的ImageView中 在ListView 和 RecyclerView 中的使用 在ListView 或 RecyclerView 中加载图片的代码和在单独的 View 中加载完全一样 @Override public void onBindViewHolder(ViewHolder holder, int position) { ...
imageView.setLayoutParams(new LinearLayout.LayoutParams(newWidth, newHeight)); textview1.setText("图像宽度:"+newWidth+"图像高度:"+newHeight); } else if (seekBar.getId() == R.id.sbRotate){ //获取当前待旋转的图片 Bitmap bitmap=BitmapFactory.decodeResource(getResources(), R.drawable.green)...
Sets a Bitmap as the content of this ImageView. C# [Android.Runtime.Register("setImageBitmap","(Landroid/graphics/Bitmap;)V","GetSetImageBitmap_Landroid_graphics_Bitmap_Handler")]publicvirtualvoidSetImageBitmap(Android.Graphics.Bitmap? bm); ...
ImageView.SetImageBitmap(Bitmap) Method Reference Feedback Definition Namespace: Android.Widget Assembly: Mono.Android.dll Sets a Bitmap as the content of this ImageView. C# Kopiér [Android.Runtime.Register("setImageBitmap", "(Landroid/graphics/Bitmap;)V", "GetSetImageBitmap_Landroid...
setAlpha(float alpha); // 0f~1f setAlpha(int alpha); // 0~255,已过时 setImageAlpha(int alpha); // API>=16 设置图片 setlmageBitmap(Bitmap bm):使用 Bitmap 位图设置该 ImageView 显示的图片。 setlmageDrawable(Drawable drawable):使用 Drawable 对象设置该 ImageView 显示的图片。