如何在android imageview中显示验证码图像?
我想处理captcha图像并显示android imageview对象 从url下载验证码图像不是解决方案 我以前试过,library,但没能。根据: 应该是这样的:如何在android imageview中显示验证码图像?,android,html,image,imageview,captcha,Android,Html,Image,Imageview,Captcha,我想处理captcha图像并显示android imageview对象 从url下载验证码图像不是解决方案 我以前试过,library,但没能。根据: 应该是这样的: private static final String FORM_TARGET = "http://www.indianrail.gov.in/cgi_bin/inet_pnstat_cgi.cgi"; private static final String INPUT_PNR = "lccp_pnrno1"; private
private static final String FORM_TARGET = "http://www.indianrail.gov.in/cgi_bin/inet_pnstat_cgi.cgi";
private static final String INPUT_PNR = "lccp_pnrno1";
private static final String INPUT_CAPTCHA = "lccp_capinp_val";
private static final String INPUT_CAPTCHA_HIDDEN = "lccp_cap_val";
private void getHtml(String userPnr) {
MultipartEntityBuilder builder = MultipartEntityBuilder.create();
builder.addTextBody(INPUT_PNR, userPnr); // users PNR code
builder.addTextBody(INPUT_CAPTCHA, "123456");
builder.addTextBody("submit", "Get Status");
builder.addTextBody(INPUT_CAPTCHA_HIDDEN, "123456"); // values don't
// matter as
// long as they
// are the same
HttpEntity entity = builder.build();
HttpPost httpPost = new HttpPost(FORM_TARGET);
httpPost.setEntity(entity);
HttpClient client = new DefaultHttpClient();
HttpResponse response = null;
String htmlString = "";
try {
response = client.execute(httpPost);
htmlString = convertStreamToString(response.getEntity().getContent());
// now you can parse this string to get data you require.
} catch (Exception letsIgnoreItForNow) {
}
}
private static String convertStreamToString(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);
}
} catch (IOException ignoredOnceMore) {
} finally {
try {
is.close();
} catch (IOException manyIgnoredExceptions) {
}
}
return sb.toString();
}
如何从htmlString变量提取图像数据并显示imageview?这就是问题所在