public InputStreamByte2InputStream(byte[] b) {
ByteArrayInputStream bais = newByteArrayInputStream(b);
return bais;
}
2、将InputStream转换成byte[]
两种方式:
一、
public static final byte[]InputStream2Bytes(InputStream inStream){
ByteArrayOutputStream swapStream = newByteArrayOutputStream();
byte[]buff = new byte[100];
int rc =0;
try{
while ((rc =inStream.read(buff, 0, 100)) > 0) {
swapStream.write(buff, 0,rc);
}
} catch (IOException e){
// TODO Auto-generatedcatch block
e.printStackTrace();
}
byte[]in2b = swapStream.toByteArray();
returnin2b;
}
二、
public byte[]InputStream2Bytes(InputStream is) {
String str = "";
byte[] readByte = new byte[1024];
int readCount = -1;
try {
while((readCount = is.read(readByte, 0, 1024)) != -1) {
str += newString(readByte).trim();
}
returnstr.getBytes();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
3、将Bitmap转换成InputStream
public InputStreamBitmap2InputStream(Bitmap bm, int quality) {
ByteArrayOutputStream baos = newByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.PNG, quality,baos);
InputStream is = newByteArrayInputStream(baos.toByteArray());
return is;
}
4、将InputStream转换成Bitmap
public BitmapInputStream2Bitmap(InputStream is) {
return BitmapFactory.decodeStream(is);
}
5、Drawable转换成InputStream
public InputStreamDrawable2InputStream(Drawable d) {
Bitmap bitmap = this.drawable2Bitmap(d);
return this.Bitmap2InputStream(bitmap);
}
6、InputStream转换成Drawable
public DrawableInputStream2Drawable(InputStream is) {
Bitmap bitmap = this.InputStream2Bitmap(is);
return this.bitmap2Drawable(bitmap);
}
7、Drawable转换成byte[]
public byte[]Drawable2Bytes(Drawable d) {
Bitmap bitmap = this.drawable2Bitmap(d);
return this.Bitmap2Bytes(bitmap);
}
8、 byte[]转换成Drawable
public DrawableBytes2Drawable(byte[] b) {
Bitmap bitmap = this.Bytes2Bitmap(b);
return this.bitmap2Drawable(bitmap);
}
8、Bitmap转换成byte[]
public byte[]Bitmap2Bytes(Bitmap bm) {
ByteArrayOutputStream baos = newByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.PNG, 100,baos);
return baos.toByteArray();
}
9、byte[]转换成Bitmap
public BitmapBytes2Bitmap(byte[] b) {
if (b.length != 0) {
returnBitmapFactory.decodeByteArray(b, 0, b.length);
}
return null;
}
10、Drawable转换成Bitmap
public Bitmapdrawable2Bitmap(Drawable drawable) {
Bitmap bitmap = Bitmap
.createBitmap(
drawable.getIntrinsicWidth(),
drawable.getIntrinsicHeight(),
drawable.getOpacity() != PixelFormat.OPAQUE ?Bitmap.Config.ARGB_8888
: Bitmap.Config.RGB_565);
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0,drawable.getIntrinsicWidth(),
drawable.getIntrinsicHeight());
drawable.draw(canvas);
return bitmap;
}
11、Bitmap转换成Drawable
public Drawablebitmap2Drawable(Bitmap bitmap) {
BitmapDrawable bd = new BitmapDrawable(bitmap);
Drawable d = (Drawable) bd;
return d;
}