Original: http://wuxiaolong.me/2015/08/10/Drawable-to-Bitmap/Drawable bitmapdrawable turn Bitmap
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Resources res = getresources ();
drawable drawable = res.getdrawable (r.drawable.myimage);
bitmapdrawable BD = (bitmapdrawable) D;
Bitmap BM = Bd.getbitmap ();
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Publicstatic Bitmap drawabletobitmap (drawable drawable) {
Drawable.getintrinsicwidth (),
Drawable.getintrinsicheight (),
drawable.getopacity ()! = Pixelformat.opaque? Bitmap.Config.ARGB_8888
Bitmap.Config.RGB_565);
Canvas canvas = new Canvas (bitmap);
//canvas.setbitmap (bitmap);
Drawable.setbounds (0, 0, drawable.getintrinsicwidth (), Drawable.getintrinsicheight ());
Drawable.draw (canvas);
return bitmap;
/span> |
Bitmap Turn drawable
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XXX Based on your situation to obtain
Bitmapdrawable bd=bitmapdrawable (BM);
Btimapdrawable is a subclass of drawable, and ultimately directly uses the BD object.
Mpicpath//local picture path into bitmap format
Bitmap pic = bitmapfactory.decodefile (this.mpicpath);
Image.setimagebitmap (pic);
Turn into bitmap format
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String to InputStream mutually convert string to InputStream
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"String and InputStream convert each other";
InputStream In_nocode = new Bytearrayinputstream (Str.getbytes ());
InputStream In_withcode = new Bytearrayinputstream (Str.getbytes ("UTF-8"));
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InputStream to String
这里提供几个方法。
Method 1:
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Public StringConvertstreamtostring(InputStream is) {
BufferedReader reader =New BufferedReader (New InputStreamReader (IS));
StringBuilder SB =New StringBuilder ();
String line =Null
try {
while (line = Reader.readline ())! = null) {
Sb.append (line + "/n ");
} catch (IOException e) {
E.printstacktrace ();
finally {
try {
Span class= "line" > Is.close ();
} catch (IOException e) {
E.printstacktrace ();
return sb.tostring ();
}
/span> |
Method 2:
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public String inputstream2string (InputStream in) throws ioexception {
new stringbuffer ();
byte[] b = new byte[4096];
for (int n; (n = in.read (b))! =-1;) {
Out.append (new String (b, 0, n));
return out.tostring ();
}
/span> |
Method 3:
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Public Static String inputstream2string
int i=-
while ((I=is.read ())!=-
}
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Bitmap and byte[] Mutual transfer bitmap→byte[]
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Byte[] Bitmap2bytes (Bitmap BM) {
New Bytearrayoutputstream ();
, BAOs);
return Baos.tobytearray (); }
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Byte[]→bitmap
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Bytes2bimap(byte[] b) {
if (b.length!=0) {
0, B.length);
}
else {
Null
}
}
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"Turn" Drawable/bitmap, String/inputstream, bitmap/byte[]
