1unsignedcharisCopy;2jbyte* pArrayimgdata = env->GetByteArrayElements(databuf,&isCopy); % 此处是否使用isCopy都没关系,只要和最后release对应上就行。 3if((ret = AndroidBitmap_getInfo(env, bitmaps, &info)) <0) 4{5XXX;6}7XXX;8env->ReleaseByteArrayElements(databuf,pArrayimgdata,isCopy); ...
return Bitmap.createBitmap(((BitmapDrawable) imageView.getDrawable()).getBitmap()); } 代码示例来源:origin: bumptech/glide @SuppressWarnings("deprecation") private String getBase64BitmapBytes(CompressFormat format) { ByteArrayOutputStream bos = new ByteArrayOutputStream(); Drawable drawable = Preco...
BitmapImage The bitmap to be sent to the display controller note that only Pixel Format Format32bppArgb is supported. sourceRect Rectangle A rectangle that defines where in the bitmap data is to be converted from. Returns Span<Byte>
Returns an array of AudioDeviceInfo objects corresponding to the audio devices currently connected to the system and meeting the criteria specified in the flags parameter. C# 复制 [Android.Runtime.Register("getDevices", "(I)[Landroid/media/AudioDeviceInfo;", "GetGetDevices_IHandler", ApiSince...
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importandroid.content.Intent;//导入方法依赖的package包/类/** * Attempts to extract a protocol buffer from the specified extra. *@throwsMalformedDataException if the intent is null, the extra is missing or not a byte * array, or the protocol buffer could not be parsed. ...
示例1: getBitmapSize ▲点赞 4▼ importandroid.graphics.Bitmap;//导入方法依赖的package包/类/** * Get the size in bytes of a bitmap in a BitmapDrawable. Note that from Android 4.4 (KitKat) * onward this returns the allocated memory size of the bitmap which can be larger than the ...
> > BitmapmBitmap = null; > > ByteArrayOutputStream mByteArrayOpStream = null; > > > //get the picture from thewebview > > Picture picture = w.capturePicture(); > > > //Create the new Canvas > > Canvas mCanvas = new Canvas(); ...
packagecom.example.demo;importjava.io.ByteArrayInputStream;importjava.io.ByteArrayOutputStream;importjava.io.IOException;importjava.io.InputStream;importjava.net.HttpURLConnection;importjava.net.URL;importandroid.graphics.Bitmap;importandroid.graphics.BitmapFactory;importandroid.os.AsyncTask;importandroid.os...
If you have a handle on a android.graphics.Bitmap, you can write it to a java.lang.ByteArrayOutputStream using the compress method of android.graphics.BitmapFactory class. You can then get the byte array from java.lang.ByteArrayOutputStream object using toByteArray() method. Something lik...