有人能告诉我将图像转换为字节数组并将该字节数组转换为base64字符串的代码。我写下面的代码没有得到正确的结果。
String filepath = "/sdcard/Image/ic_launcher.jpg";
File imagefile = new File(filepath);
FileInputStream fis = null;
try {
fis = new FileInputStream(imagefile);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Bitmap bm = BitmapFactory.decodeStream(fis);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 100 , baos);
byte[] b = baos.toByteArray();
String encodedImage = Base64.encodeToString(b, Base64.DEFAULT);
结果我得到了
[-1, -40, -1, -32, 0, 16, 74, 70, 73, 70, 0, 1, 1, 1, 0, 72, 0, 72, 0, 0, -1, -20, 4, -7, 68, 117, 99, 107, 121, 0, 1, 0, 4, 0, 0, 0, 75, 0, 2, 4, -28, 0, 0, 2, 112, 0, 68, 0, 111, 0, 110, 0, 110, 0, 97, 0, 32, 0, 83, 0, 105, 0, 109, 0, 112, 0, 115, 0, 111, 0, 110, 0, 32, 0, 117, 0, 115, 0, 101, 0, 115, 0, 32, 0, 97, 0, 32, 0, 99, 0, 111, 0, 109, 0, 112, 0, 117, 0, 116, 0, 101, 0, 114, 0, 32, 0, 116, 0, 111, 0, 32, 0, 99, 0, 104, 0, 101, 0, 99, 0, 107, 0, 32, 0, 97, 0, 32, 0, 115, 0, 105, 0, 116, 0, 101, 0, 32, 0, 116, 0, 104, 0, 97, 0, 116, 0, 32, 0, 112, 0, 97, 0, 121, 0, 115, 0, 32, 0, 104, 0, 101, 0, 114, 0, 32, 0, 109, 0, 111, 0, 110, 0, 101, 0, 121, 0, 32, 0, 116, 0, 111, 0, 32, 0, 117, 0, 112, 0, 108, 0, 111, 0, 97, 0, 100, 0, 32, 0, 118, 0, 105, 0, 100, 0, 101, 0, 111, 0, 32, 0, 99, 0, 108, 0, 105, 0, 112, 0, 115, 0, 32, 0, 111, 0, 102, 0, 32, 0, 104, 0, 101, 0, 114, 0, 32, 0, 101, 0, 97, 0, 116, 0, 105, 0, 110, 0, 103, 0, 32, 0, 97, 0, 116, 0, 32, 0, 104, 0, 101, 0, 114, 0, 32, 0, 104, 0, 111, 0, 109, 0, 101, 0, 32, 0, 105, 0, 110, 0, 32, 0, 79, 0, 108, 0, 100, 0, 32, 0, 66, 0, 114, 0, 105, 0, 100, 0, 103, 0, 101, 0, 44, 0, 32, 0, 78, 0, 101, 0, 119, 0, 32, 0, 74, 0, 101, 0, 114, 0, 115, 0, 101, 0, 121, 0, 46, 0, 46, 0, 46, 0, 68, 0, 111, 0, 110, 0, 110, 0, 97, 0, 32, 0, 83, 0, 105, 0, 109, 0, 112, 0, 115, 0, 111, 0, 110, 0, 32, 0, 117, 0, 115, 0, 101, 0, 115, 0, 32, 0, 97, 0, 32, 0, 99, 0, 111, 0, 109, 0, 112, 0, 117, 0, 116, 0, 101, 0, 114, 0, 32, 0, 116, 0, 111, 0, 32, 0, 99, 0, 104, 0, 101, 0, 99, 0, 107, 0, 32, 0, 97, 0, 32, 0, 115, 0, 105, 0, 116, 0, 101, 0, 32, 0, 116, 0, 104, 0, 97, 0, 116, 0, 32, 0, 112, 0, 97, 0, 121, 0, 115, 0, 32, 0, 104, 0, 101, 0, 114, 0, 32, 0, 109, 0, 111, 0, 110, 0, 101, 0, 121, 0, 32, 0, 116, 0, 111, 0, 32, 0, 117, 0, 112, 0, 108, 0, 111, 0, 97, 0, 100, 0, 32, 0, 118, 0, 105, 0, 100, 0, 101, 0, 111, 0, 32, 0, 99, 0, 108, 0, 105, 0, 112, 0, 115, 0, 32, 0, 111, 0, 102, 0, 32, 0, 104, 0, 101, 0, 114, 0, 32, 0, 101, 0, 97, 0, 116, 0, 105, 0, 110, 0, 103, 0, 32, 0, 97, 0, 116, 0, 32, 0, 104, 0, 101, 0, 114, 0, 32, 0, 104, 0, 111, 0, 109, 0, 101, 0, 32, 0, 105, 0, 110, 0, 32, 0, 79, 0, 108, 0, 100, 0, 32, 0, 66, 0, 114, 0, 105, 0, 100, 0, 103, 0, 101, 0, 44, 0, 32, 0, 78, 0, 101, 0, 119, 0, 32, 0, 74, 0, 101, 0, 114, 0, 115, 0, 101, 0, 121, 0, 32, 0, 74, 0, 117, 0, 110, 0, 101, 0, 32, 0, 56, 0, 44, 0, 32, 0, 50, 0, 48, 0, 49, 0, 48, 0, 46, 0, 32, 0, 83, 0, 105, 0, 109, 0, 112, 0, 115, 0, 111, 0, 110, 0, 44, 0, 32, 0, 52, 0, 50, 0, 44, 0, 32, 0, 119, 0, 104, 0, 111, 0, 32, 0, 119, 0, 101, 0, 105, 0, 103, 0, 104, 0, 115, 0, 32, 0, 109, 0, 111, 0, 114, 0, 101, 0, 32, 0, 116, 0, 104, 0, 97, 0, 110, 0, 32, 0, 54, 0, 48, 0, 48, 0, 32, 0, 112, 0, 111, 0, 117, 0, 110, 0, 100, 0, 115, 0, 32, 0, 40, 0, 50, 0, 55, 0, 50, 0, 32, 0, 107, 0, 103, 0, 41, 0, 32, 0, 97, 0, 110, 0, 100, 0, 32, 0, 97, 0, 105, 0, 109, 0, 115, 0, 32, 0, 116, 0, 111, 0, 32, 0, 114, 0, 101, 0, 97, 0, 99, 0, 104, 0, 32, 0, 49, 0, 44, 0, 48, 0, 48, 0, 48, 0, 32, 0, 112, 0, 111, 0, 117, 0, 110, 0, 100, 0, 115, 0, 32, 0, 40, 0, 52, 0, 53, 0, 53, 0, 32, 0, 107, 0, 103, 0, 41, 0, 44, 0, 32, 0, 105, 0, 115, 0, 32, 0, 119, 0, 97, 0, 103, 0, 105, 0, 110, 0, 103, 0, 32, 0, 97, 0, 32, 0, 99, 0, 97, 0, 109, 0, 112, 0, 97, 0, 105, 0, 103, 0, 110, 0, 32, 0, 116, 0, 111, 0, 32, 0, 98, 0, 101, 0, 99, 0, 111, 0, 109, 0, 101, 0, 32, 0, 116, 0, 104, 0, 101, 0, 32, 0, 119, 0, 111, 0, 114, 0, 108, 0, 100, 0, 39, 0, 115, 0, 32, 0, 104, 0, 101, 0, 97, 0, 118, 0, 105, 0, 101, 0, 115, 0, 116, 0, 32, 0, 108, 0, 105, 0, 118, 0, 105, 0, 110, 0, 103, 0, 32, 0, 119, 0, 111, 0, 109, 0, 97, 0, 110, 0, 44, 0, 32, 0, 97, 0, 100, 0, 109, 0, 105, 0, 116, 0, 116, 0, 105, 0, 110, 0, 103, 0, 32, 0, 116, 0, 104, 0, 97, 0, 116, 0, 32, 0, 115, 0, 104, 0, 101, 0, 32, 0, 105, 0, 115, 0, 32, 0, 97, 0, 115, 0, 32, 0, 104, 0, 117, 0, 110, 0, 103, 0, 114, 0, 121, 0, 32, 0, 102, 0, 111, 0, 114, 0, 32, 0, 97, 0, 116, 0, 116, 0, 101, 0, 110, 0, 116, 0, 105, 0, 111, 0, 110, 0, 32, 0, 97, 0, 115, 0, 32, 0, 115, 0, 104, 0, 101, 0, 32, 0, 105, 0, 115, 0, 32, 0, 102, 0, 111, 0, 114, 0, 32, 0, 99, 0, 97, 0, 108, 0, 111, 0, 114, 0, 105, 0, 101, 0, 45, 0, 114, 0, 105, 0, 99, 0, 104, 0, 32, 0, 102, 0, 111, 0, 111, 0, 100, 0, 46, 0, 32, 0, 80, 0, 105, 0, 99, 0, 116, 0, 117, 0, 114, 0, 101, 0, 32, 0, 116, 0, 97, 0, 107, 0, 101, 0, 110, 0, 32, 0, 74, 0, 117, 0, 110, 0, 101, 0, 32, 0, 56, 0, 44, 0, 32, 0, 50, 0, 48, 0, 49, 0, 48, 0, 46, 0, 32, 0, 82, 0, 69, 0, 85, 0, 84, 0, 69, 0, 82, 0, 83, 0, 47, 0, 76, 0, 117, 0, 99, 0, 97, 0, 115, 0, 32, 0, 74, 0, 97, 0, 99, 0, 107, 0, 115, 0, 111, 0, 110, 0, 32, 0, 40, 0, 85, 0, 78, 0, 73, 0, 84, 0, 69, 0, 68, 0, 32, 0, 83, 0, 84, 0, 65, 0, 84, 0, 69, 0, 83, 0, 32, 0, 45, 0, 32, 0, 84, 0, 97, 0, 103, 0, 115, 0, 58, 0, 32, 0, 72, 0, 69, 0, 65, 0, 76, 0, 84, 0, 72, 0, 32, 0, 83, 0, 79, 0, 67, 0, 73, 0, 69, 0, 84, 0, 89, 0, 41, 0, 0, -1, -37, 0, 67, 0, 8, 6, 6, 7, 6, 5, 8, 7, 7, 7, 9, 9, 8, 10, 12, 20, 13, 12, 11, 11, 12, 25, 18, 19, 15, 20, 29, 26, 31, 30, 29, 26, 28, 28, 32, 36, 46, 39, 32, 34, 44, 35, 28, 28, 40, 55, 41, 44, 48, 49, 52, 52, 52, 31, 39, 57, 61, 56, 50, 60, 46, 51, 52, 50, -1, -37, 0, 67, 1, 9, 9, 9, 12, 11, 12, 24, 13, 13, 24, 50, 33, 28, 33, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, -1, -64, 0, 17, 8, 1, 32, 1, -52, 3, 1, 34, 0, 2, 17, 1, 3, 17, 1, -1, -60, 0, 28, 0, 0, 0, 7, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, -1, -60, 0, 76, 16, 0, 1, 3, 2, 4, 3, 6, 3, 5, 4, 8, 4, 5, 2, 7, 0, 1, 2, 3, 17, 0, 4, 5, 18, 33, 49, 6, 65, 81, 19, 34, 97, 113, -127, -111, 20, 50, -95, 7, 66, -79, -63, -16, 21, 35, 82, -47, 36, 51, 98, 114, -126, -94, -31, -15, 22, 83, -62, -46, 37, 99, -110, -109, -78, 8, 115, 52, 53, 68, 85, 100, -77, -30, -1, -60, 0, 26, 1, 0, 3, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, -1, -60, 0, 45, 17, 0, 2, 2, 2, 2, 2, 1, 3, 3, 3, 5, 1, 0, 0, 0, 0, 0, 1, 2, 17, 3, 33, 18, 49, 4, 65, 81, 19, 34, 97, 113, -79, -16, 20, -111, -47, 5, 35, 50, 66, -95, -31, -1, -38, 0, 12, 3, 1, 0, 2, 17, 3, 17, 0, 63, 0, -21, -96, -17, 64, -11, -92, -125, 74, -98, -75, -56, 116, 7, -17, 71, -52, -46, 65, -97, 10, 85, 0, 40, 80, -102, 33, 52, 40, 1, 92, -7, 82, 78, -44, 13, 36, -21, 64, 7, 67, -42, -109, 71, 64, 7, -46, -114, -109, -45, 106, 51, 64, 2, -116, -47, 80, 39, 77, 77, 0, 42, -118, -123, 9, -96, 3, -94, -10, -95, -25, 68, 117, -38, -104, 7, 66, -118, 104, 82, 0, 80, -95, -27, 69, 76, 0, 104, -89, -91, 3, 69, 64, 7, -67, 23, -67, 9, -94, -25, 64, 3, -34, -116, -111, 73, 49, 52, 9, 20, 0, 40, -113, -42, -118, -121, -122, -76, -64, 26, -46, 105, 81, 69, 20, -128, 17, -54, -123, 8, -93, -118, 64, 20, 82, -94, -124, 82, -128, -96, 4, -88, 119, 23, -24, 40, -109, 78, 44, 119, 21, 61, 69, 36, 10, 98, 22, -102, 113, 59, 82, 6, -44, -32, -90, -124, 56, 41, 66, -110, 41, 66, -87, 0, -79, 71, 69, 70, 61, 106, -47, 33, -51, 28, -47, 80, -96, 66, -88, -26, -109, 64, 26, 0, 57, -42, -114, 105, 51, 66, 105, 5, 11, -102, 20, -112, 124, 69, 29, 0, 42, -118, 104, 10, 28, -88, 0, 81, 107, 71, 66, -99, 0, 40, 81, 80, -102, 64, 84, -125, -46, -107, 34, -112, 15, -123, 43, 88, -48, 86, 38, -95, -119, -91, -45, 114, 121, -46, -3, -88, 0, -63, -93, -102, 42, 20, 0, 9, -92, -88, -47, -103, -92, 19, -50, -128, 20, 40, 77, 36, 31, 42, 19, -42, -128, 21, 52, 116, -119, -93, -15, -96, 5, 80, 59, 122, -47, 10, 7, 97, -74, -30, -128, 21, 52, 38, -109, 71, 64, 7, 66, -110, 77, 28, -48, 1, -48, -102, 76, -48, -96, 3, -102, 34, 104, 81, 19, 64, 2, -123, 10, 34, 69, 48, 4, -47, 19, 66, -128, -96, 2, 62, -76, -103, -91, 30, -76, -104, -90, 0, 20, 98, -120, 80, 19, 72, 5, 77, 39, -54, -124, -51, 21, 0, 44, 80, -46, -117, 125, -23, 67, 90, 64, 24, 20, -80, 5, 36, 68, -46, -58, -76, -60, 18, -57, 113, 95, -34, 20, -108, -118, 91, -122, 19, 29, 85, -7, 82, 69, 0, 44, 82, -59, 32, 82, -59, 52, 38, 44, 82, -123, 32, 82, -22, -48, -123, 81, -118, 64, -91, 77, 82, 1, 84, 116, 83, 66, -104, -125, -25, 67, -107, 21, 0, 117, -92, 1, -125, 66, 104, -124, -64, -95, 53, 32, 40, 116, -93, -92, -47, -118, 96, 42, 69, 9, -94, -95, 62, 84, 8, 30, -15, -46, -114, -118, 104, 72, -102, 96, 15, 57, -94, -34, -124, -47, 122, -48, 5, 35, 119, -115, 56, -128, -76, 25, 73, -25, 75, 23, 41, -102, -95, -78, 37, 41, 82, 12, 127, 16, -4, -22, 88, -41, 104, -84, 104, -44, -79, 114, -19, 73, 0, 54, -62, -100, 81, -97, -68, 18, 7, -103, -2, 64, -46, 62, 42, -20, 110, -59, -78, -68, 3, -85, 7, -36, -93, -14, -88, 15, 57, -39, 50, -73, 114, 41, 121, 6, 108, -88, 65, 82, -107, -32, 0, -44, -97, 42, -120, -116, 102, -43, 87, 1, -91, 118, -19, 44, -126, 66, 87, 106, -24, 49, -44, -9, 96, 122, -47, 64, -109, 52, 45, 92, -123, -50, 102, -36, 105, 67, 112, -79, -89, -95, 26, 31, -44, -45, -95, -44, -98, -66, -43, 66, 47, -112, -30, 101, -112, -91, 13, -91, 64, -89, -24, 105, 11, 122, -31, 99, -25, 41, 7, -110, 52, -94, -128, -48, 41, 99, -81, -91, 37, 74, 51, 89, -26, -46, -92, -72, 12, -86, 100, 107, 52, -1, 0, 15, 37, 45, 96, -84, -74, -128, 18, -128, -91, -108, -92, 108, 37, 68, -97, -87, 38, -114, -128, -71, -111, 66, 105, -68, -38, 81, -51, 32, 28, -109, 67, 53, 34, 122, -5, 81, -125, 64, 14, 77, 2, 118, -13, 20, -119, -91, 125, -47, -3, -31, 52, 0, -70, 42, 41, 52, 38, -128, 12, -102, 20, -109, 66, -104, 10, -96, 77, 36, -102, 18, 104, 1, 83, 68, 72, -25, 73, -102, 19, 64, 7, 52, 71, 78, -108, 38, -123, 0, 20, -7, -47, -47, 81, -19, 69, -128, 41, 42, -93, -92, -109, -19, 64, 21, 92, 65, -60, -104, 95, 12, -39, 11, -84, 73, -41, 6, 109, 27, 101, -122, -13, -72, -28, 111, 3, 64, 7, -119, 32, 120, -51, 115, 59, -1, 0, -74, -53, -27, -87, 67, 9, -64, -20, -38, 108, 24, 11, -67, 121, 110, -85, -52, -124, 101, 3, -36, -7, -42, -17, -120, -101, -73, -65, -62, -18, 123, 118,
-112, -76, 40, 110, -95, 48, 6, -43, -61, 113, -101, 70, -84, -18, 22, -106, -13, -72, -127, -79, 73, 76, 15, 45,
-87, -82, -10...
并且在这个字节数组的末尾我得到这3个点并且数组没有完成，所以我怎样才能得到正确的字节数组
base64字符串是
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AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQH/wAARCAEgAcwDASIA
AhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQA
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AOujj7Nl/wDWSbSPMOE/eJLuX5p/N/02hGMhPs4LllhIGQm//jyPOTIPulcAmXcW+9N...
也尝试过Mutipart实体
ByteArrayOutputStream bos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 75, bos);
byte[] data = bos.toByteArray();
HttpClient httpClient = new DefaultHttpClient();
HttpPost postRequest = new HttpPost("My url");
ByteArrayBody bab = new ByteArrayBody(data, "top.jpg");
// File file= new File("/mnt/sdcard/forest.png");
// FileBody bin = new FileBody(file);
MultipartEntity reqEntity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE);
reqEntity.addPart("PhotoImage", bab);
// reqEntity.addPart("photoCaption", new StringBody("sfsdfsdf"));
postRequest.setEntity(reqEntity);
HttpResponse response = httpClient.execute(postRequest);
BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent(), "UTF-8"));
String sResponse;
StringBuilder s = new StringBuilder();
while ((sResponse = reader.readLine()) != null)
{
s = s.append(sResponse);
}
将编码字符串发送到Web服务
private void HttpCon_PhotoUpload()
{
try
{
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(URL1);
ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
nameValuePairs.add(new BasicNameValuePair("Photo",encodedImage));
Log.d("req", "req" + nameValuePairs);
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
HttpResponse response = httpclient.execute(httppost);
Log.d("response", "response" + response);
HttpEntity entity = response.getEntity();
is = entity.getContent();
Log.e("pass 1","connection success");
}
catch (Exception e)
{
Log.e("Fail 1", e.toString());
Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_SHORT).show();
}
try
{
BufferedReader reader = new BufferedReader(new InputStreamReader(is,"iso-8859-1"),8);
StringBuilder sb = new StringBuilder();
while ((line = reader.readLine()) != null)
{
sb.append(line + "\n");
}
is.close();
result = sb.toString();
Log.d("aaa","aaa" + result);
Log.e("pass 2","connection success ");
}
catch (Exception e)
{
Log.e("Fail 2", e.toString());
Toast.makeText(getApplicationContext(),e.toString(), Toast.LENGTH_SHORT).show();
}
}
webservice响应：
Cannot convert _9j_4AAQSkZJRgABAQAAAQABAAD_2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0aHBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL_2wBDAQkJCQwLDBgNDRgyIRwhMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjL_wAARCAeMChADASIAAhEBAxEB_8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL_8QAtRAAAgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4-Tl5ufo6erx8vP09fb3-Pn6_8QAHwEAAwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL_8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3-Pn6_9oADAMBAAIRAxEAPwDwcj2pevJ5NOZsnpQD14pbCRHyTzRTs8dKQng0wGHqRTlozSZoCwUh6UtB5oGNApelAxmjvQAbuKQ0ZoBpDuGTQOaU80g4pCFC5oPFIOKXPrTATOaD0pe9GaYBnik6Gj8KXIApAJnJpRSKQaXFNAA65pRwelJQDz0pABOaUHFIQCKOlAC5OaMUmacCQtAho... to System.Byte.
Parameter name: type ---> Input string was not in a correct format.
答案 0 :(得分：0)
我的xml：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_gravity="center_horizontal"
android:gravity="center_horizontal"
android:layout_height="match_parent"
android:background="#FFF"
tools:context="com.android_examples.imageuploadonserver_android_examplescom.MainActivity">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="CLICK HERE TO CAPTURE IMAGE "
android:id="@+id/button"
android:layout_marginTop="20dp"
/>
<ImageView
android:layout_width="fill_parent"
android:layout_height="270dp"
android:id="@+id/imageView"
android:layout_margin="20dp" />
<EditText
android:layout_width="fill_parent"
android:layout_margin="10dp"
android:layout_height="wrap_content"
android:id="@+id/editText"
android:background="@drawable/input_selector"
android:hint="Enter Image Name Here"
android:gravity="center"
/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="CLICK HERE TO UPLOAD IMAGE"
android:id="@+id/button2"
android:layout_margin="25dp"
/>
</LinearLayout>
类文件我捕获并上传图像到服务器::
public class PhotoUploadDemo extends ActionBarActivity
{
Button GetImageFromGalleryButton, UploadImageOnServerButton;
ImageView ShowSelectedImage;
EditText GetImageName;
Bitmap FixBitmap;
String ImageTag = "image_tag" ;
String ImageName = "image_data" ;
String ServerUploadPath ="ServerPath/URL" ;
ProgressDialog progressDialog ;
ByteArrayOutputStream byteArrayOutputStream ;
byte[] byteArray ;
String ConvertImage ;
String mCurrentPhotoPath;
String GetImageNameFromEditText;
HttpURLConnection httpURLConnection ;
URL url;
OutputStream outputStream;
BufferedWriter bufferedWriter ;
int RC ;
BufferedReader bufferedReader ;
StringBuilder stringBuilder;
boolean check = true;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_photo_upload_demo);
GetImageFromGalleryButton = (Button)findViewById(R.id.button);
UploadImageOnServerButton = (Button)findViewById(R.id.button2);
ShowSelectedImage = (ImageView)findViewById(R.id.imageView);
GetImageName = (EditText)findViewById(R.id.editText);
byteArrayOutputStream = new ByteArrayOutputStream();
GetImageFromGalleryButton.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View view)
{
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
// Ensure that there's a camera activity to handle the intent
if (takePictureIntent.resolveActivity(getPackageManager()) != null)
{
// Create the File where the photo should go
File photoFile = null;
try
{
photoFile = createImageFile();
}
catch (IOException ex)
{
// Error occurred while creating the File
ex.printStackTrace();
}
// Continue only if the File was successfully created
if (photoFile != null)
{
GetImageName.setVisibility(View.VISIBLE);
//carry out the crop operation
// performCrop();
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,Uri.fromFile(photoFile));
startActivityForResult(takePictureIntent,100);
}
}
}
});
UploadImageOnServerButton.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View view)
{
GetImageNameFromEditText = GetImageName.getText().toString();
UploadImageToServer();
}
});
}//EOF OnCreate
private File createImageFile() throws IOException
{
// Create an image file name
String imageFileName = "JPEG_";
File storageDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
File image = File.createTempFile(
imageFileName, /* prefix */
".jpg", /* suffix */
storageDir /* directory */
);
// Save a file: path for use with ACTION_VIEW intents
mCurrentPhotoPath = image.getAbsolutePath();
Log.e("Getpath", "Cool" + mCurrentPhotoPath);
return image;
}
protected void onActivityResult(int requestCode,int resultCode,Intent data)
{
if (requestCode == 100 && resultCode == RESULT_OK)
{
//Set Pic to imageview
setPic();
}
}
//set Pic to
private void setPic()
{
// Get the dimensions of the View
int targetW = ShowSelectedImage.getWidth();
int targetH = ShowSelectedImage.getHeight();
// Get the dimensions of the bitmap
BitmapFactory.Options bmOptions = new BitmapFactory.Options();
bmOptions.inJustDecodeBounds = true;
BitmapFactory.decodeFile(mCurrentPhotoPath,bmOptions);
int photoW = bmOptions.outWidth;
int photoH = bmOptions.outHeight;
// Determine how much to scale down the image
int scaleFactor = Math.min(photoW / targetW, photoH / targetH);
// Decode the image file into a Bitmap sized to fill the View
bmOptions.inJustDecodeBounds = false;
bmOptions.inSampleSize = scaleFactor;
bmOptions.inPurgeable = true;
FixBitmap = BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions);
ShowSelectedImage.setImageBitmap(FixBitmap);
}
public void UploadImageToServer()
{
FixBitmap.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayOutputStream);
byteArray = byteArrayOutputStream.toByteArray();
ConvertImage = Base64.encodeToString(byteArray, Base64.DEFAULT);
class AsyncTaskUploadClass extends AsyncTask<Void,Void,String>
{
@Override
protected void onPreExecute()
{
super.onPreExecute();
progressDialog = ProgressDialog.show(PhotoUploadDemo.this,"Image is Uploading","Please Wait",false,false);
}
@Override
protected void onPostExecute(String string1)
{
super.onPostExecute(string1);
progressDialog.dismiss();
Toast.makeText(PhotoUploadDemo.this, string1, Toast.LENGTH_LONG).show();
}
@Override
protected String doInBackground(Void... params)
{
ImageProcessClass imageProcessClass = new ImageProcessClass();
HashMap<String,String> HashMapParams = new HashMap<String,String>();
// HashMapParams.put(ImageTag, GetImageNameFromEditText);
HashMapParams.put("Photo1", ConvertImage);
String FinalData = imageProcessClass.ImageHttpRequest(ServerUploadPath,HashMapParams);
return FinalData;
}
}
AsyncTaskUploadClass AsyncTaskUploadClassOBJ = new AsyncTaskUploadClass();
AsyncTaskUploadClassOBJ.execute();
}//EOF Upload OnServer Method
public class ImageProcessClass
{
public String ImageHttpRequest(String requestURL,HashMap<String, String> PData)
{
StringBuilder stringBuilder = new StringBuilder();
try
{
url = new URL(requestURL);
httpURLConnection = (HttpURLConnection)url.openConnection();
httpURLConnection.setReadTimeout(20000);
httpURLConnection.setConnectTimeout(20000);
httpURLConnection.setRequestMethod("POST");
httpURLConnection.setDoInput(true);
httpURLConnection.setDoOutput(true);
outputStream = httpURLConnection.getOutputStream();
bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream,"UTF-8"));
bufferedWriter.write(bufferedWriterDataFN(PData));
bufferedWriter.flush();
bufferedWriter.close();
outputStream.close();
RC = httpURLConnection.getResponseCode();
if (RC == HttpsURLConnection.HTTP_OK)
{
bufferedReader = new BufferedReader(new InputStreamReader(httpURLConnection.getInputStream()));
stringBuilder = new StringBuilder();
String RC2;
while ((RC2 = bufferedReader.readLine()) != null)
{
stringBuilder.append(RC2);
}
}
}
catch (Exception e)
{
e.printStackTrace();
}
return stringBuilder.toString();
}
private String bufferedWriterDataFN(HashMap<String, String> HashMapParams) throws UnsupportedEncodingException
{
stringBuilder = new StringBuilder();
for (Map.Entry<String, String> KEY : HashMapParams.entrySet())
{
if (check)
check = false;
else
stringBuilder.append("&");
stringBuilder.append(URLEncoder.encode(KEY.getKey(),"UTF-8"));
stringBuilder.append("=");
stringBuilder.append(URLEncoder.encode(KEY.getValue(),"UTF-8"));
}
return stringBuilder.toString();
}
}
}//EOF Main