我开发了一个应用程序来从手机上传任何文件。当我单击选择按钮时，它会显示电话目录。当我选择要上传到我的服务器的图像时，它不会上传文件。但它运行没有错误。你知道怎么解决这个问题吗？
public class MainActivity extends AppCompatActivity {
private TextView txtPercentage;
private ProgressBar progressBar;
File sourceFile;
String filepath;
String imagepath;
TextView messageText;
Button uploadButton;
Button selectButton;
int serverResponseCode = 0;
ProgressDialog dialog = null;
String upLoadServerUri = null;
/********** File Path *************/
final String uploadFilePath = Environment.getExternalStorageDirectory().getPath() + "/";
final String uploadFileName = "gt.png";
Uri selectedFileUri = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
txtPercentage = (TextView) findViewById(R.id.txtPercentage);
progressBar = (ProgressBar) findViewById(R.id.progressBar);
uploadButton = (Button) findViewById(R.id.uploadButton);
selectButton = (Button) findViewById(R.id.selectButton);
messageText = (TextView) findViewById(R.id.messageText);
messageText.setText("Uploading file path :- " + Environment.getExternalStorageDirectory().getPath() + "/"+ uploadFileName);
/************* Php script path ****************/
upLoadServerUri = "http://192.168.1.3/work/filesharing/2.php";
selectButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
//dialog = ProgressDialog.show(MainActivity.this, "", "Uploading file...", true);
intent.setType("*/*"); // intent.setType("video/*"); to select videos to upload
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select File"), 1);
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (requestCode == 1 && resultCode == RESULT_OK) {
selectedFileUri = data.getData();
InputStream is = null;
try {
is = getContentResolver().openInputStream(selectedFileUri);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
new ProcessFileUploadTask(new File(selectedFileUri.getPath()));
Uri uri = data.getData();
File myFile = new File(uri.getPath());
} else {
}
}
public int uploadFile(String myFile) throws FileNotFoundException {
Log.d("LOGTAG", "Output21 :" );
String fileName = myFile;
HttpURLConnection conn = null;
DataOutputStream dos = null;
String lineEnd = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
int bytesRead, bytesAvailable, bufferSize;
byte[] buffer;
int maxBufferSize = 1 * 1024 * 1024;
File sourceFile = new File(myFile);
sourceFile = new File(myFile);
if (!sourceFile.isFile()) {
dialog.dismiss();
Log.e("uploadFile", "Source File not exist :"
+uploadFilePath + "" + uploadFileName);
runOnUiThread(new Runnable() {
public void run() {
messageText.setText("Source File not exist :"
+uploadFilePath + "" + uploadFileName);
}
});
return 0;
}
else
{
try {
// open a URL connection to the Servlet
FileInputStream fileInputStream = new FileInputStream(sourceFile);
URL url = new URL(upLoadServerUri);
// Open a HTTP connection to the URL
conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true); // Allow Inputs
conn.setDoOutput(true); // Allow Outputs
conn.setUseCaches(false); // Don't use a Cached Copy
conn.setRequestMethod("POST");
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setRequestProperty("ENCTYPE", "multipart/form-data");
conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
conn.setRequestProperty("uploaded_file", fileName);
dos = new DataOutputStream(conn.getOutputStream());
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name='uploaded_file';filename='' + fileName + ''" + lineEnd);
dos.writeBytes(lineEnd);
// create a buffer of maximum size
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
// read file and write it into form...
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
while (bytesRead > 0) {
dos.write(buffer, 0, bufferSize);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}
// send multipart form data necesssary after file data...
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
// Responses from the server (code and message)
serverResponseCode = conn.getResponseCode();
String serverResponseMessage = conn.getResponseMessage();
Log.i("uploadFile", "HTTP Response is : "
+ serverResponseMessage + ": " + serverResponseCode);
if(serverResponseCode == 200){
runOnUiThread(new Runnable() {
public void run() {
String msg = "File Upload Completed.\n\n See uploaded file here : \n\n";
messageText.setText(msg);
Toast.makeText(MainActivity.this, "File Upload Complete.",
Toast.LENGTH_SHORT).show();
}
});
}
//close the streams //
fileInputStream.close();
dos.flush();
dos.close();
} catch (MalformedURLException ex) {
dialog.dismiss();
ex.printStackTrace();
runOnUiThread(new Runnable() {
public void run() {
messageText.setText("MalformedURLException Exception : check script url.");
Toast.makeText(MainActivity.this, "MalformedURLException",
Toast.LENGTH_SHORT).show();
}
});
Log.e("Upload file to server", "error: " + ex.getMessage(), ex);
} catch (Exception e) {
dialog.dismiss();
e.printStackTrace();
runOnUiThread(new Runnable() {
public void run() {
messageText.setText("Got Exception : see logcat ");
Toast.makeText(MainActivity.this, "Got Exception : see logcat ",
Toast.LENGTH_SHORT).show();
}
});
Log.e("LOGTAG","Upload file to server Exception" + "Exception : " + e.getMessage(), e);
}
dialog.dismiss();
return serverResponseCode;
} // End else block
}
//asynch task to upload file with parameters
public class ProcessFileUploadTask extends AsyncTask<Void, Integer, Void> implements DialogInterface.OnCancelListener{
private ProgressDialog progressDialog;
private File file;
String res="";
public ProcessFileUploadTask(File file) {
this.file = file;
}
@Override
// can use UI thread here
protected void onPreExecute() {
super.onPreExecute();
try{
progressDialog = new ProgressDialog(MainActivity.this);
progressDialog.setMessage("Uploading... Please wait!");
progressDialog.setIndeterminate(false);
progressDialog.setMax(100);
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setCancelable(false);
progressDialog.setCanceledOnTouchOutside(false);
progressDialog.show();
}
catch(Exception e){
Log.e("Exception:",e.toString());
}
}
protected void onPostExecute(Void v) {
progressDialog.dismiss();
Toast toast=Toast.makeText(getApplicationContext(), "Uploaded Successfully.", Toast.LENGTH_LONG);
}
@Override
protected Void doInBackground(Void... v) {
HttpURLConnection.setFollowRedirects(false);
HttpURLConnection conn = null;
try {
//posting parameters with url
String finalUrl = Uri.parse(upLoadServerUri)
.buildUpon()
.appendQueryParameter("name", "firzan")
.build().toString();
conn = (HttpURLConnection) new URL(finalUrl).openConnection();
conn.setConnectTimeout(10*1000);
conn.setRequestMethod("POST");
String boundary = "---------------------------boundary";
String tail = "\r\n--" + boundary + "--\r\n";
conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
conn.setDoOutput(true);
String metadataPart = "--" + boundary + "\r\n"
+ "Content-Disposition: form-data; name=\"metadata\"\r\n\r\n"
+ "" + "\r\n";
String fileHeader1 = "--" + boundary + "\r\n"
+ "Content-Disposition: form-data; name=\"uploaded_file\"; filename=\""
+ "serverFileName" + "\"\r\n"
+ "Content-Type: application/octet-stream\r\n"
+ "Content-Transfer-Encoding: binary\r\n";
long fileLength = file.length() + tail.length();
String fileHeader2 = "Content-length: " + fileLength + "\r\n";
String fileHeader = fileHeader1 + fileHeader2 + "\r\n";
String stringData = metadataPart + fileHeader;
long requestLength = stringData.length() + fileLength;
conn.setRequestProperty("Content-length", "" + requestLength);
conn.setFixedLengthStreamingMode((int) requestLength);
conn.connect();
DataOutputStream out = new DataOutputStream(conn.getOutputStream());
out.writeBytes(stringData);
out.flush();
int progress = 0;
int bytesRead = 0;
byte buf[] = new byte[10*1024];
BufferedInputStream bufInput = new BufferedInputStream(new FileInputStream(file));
while ((bytesRead = bufInput.read(buf)) != -1) {
// write output
out.write(buf, 0, bytesRead);
out.flush();
progress += bytesRead;
// update progress bar
publishProgress(progress);
}
// Write closing boundary and close stream
out.writeBytes(tail);
out.flush();
out.close();
// Get server response
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line = "";
StringBuilder builder = new StringBuilder();
while((line = reader.readLine()) != null) {
builder.append(line);
}
serverResponseCode = conn.getResponseCode();
//serverResponseMessage = conn.getResponseMessage();
//ServerResponce=builder.toString();
//Log.e("ser res",ServerResponce.toString());
}
catch (Exception e) {
Log.e("Exception",e.toString());
progressDialog.dismiss();
//exceptionText=e.toString();
} finally {
if (conn != null) conn.disconnect();
//finish();
}
return null;
}
@Override
protected void onProgressUpdate(Integer... progress) {
progressDialog.setProgress((int) (progress[0]));
}
@Override
public void onCancel(DialogInterface dialog) {
super.onCancelled();
cancel(true);
dialog.dismiss();
finish();
}
}