I am writing an App in which i am showing status of list view item, here: I am showing SD Card Images, and allowing user click on Upload button to upload image to server, and showing result as well, like: If upload completes to server then showing Upload Complete and if user already uploaded to server then showing Already Uploaded but whenever user do click on Upload button, but now i want to show the status of an image, whenever List Loads, please see below screen shot:
UploadActivity.java:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_uploads);
// Permission StrictMode
if (android.os.Build.VERSION.SDK_INT > 9)
{
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
// click to create new event
btn_previous_activity = (Button) findViewById(R.id.btn_previous_activity);
btn_previous_activity.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// using Intent to call EventListActivity
Intent intentNewEvent = new Intent(UploadActivity.this, EventListActivity.class);
startActivity(intentNewEvent);
}
});
/*** Get Images from SDCard ***/
ImageList = getSD();
Log.d(UploadActivity.LOG_TAG, "getSD() :::--- " + ImageList);
// ListView and imageAdapter
lstView = (ListView) findViewById(R.id.listView1);
lstView.setAdapter(new ImageAdapter(this));
}
private List <String> getSD()
{
List <String> it = new ArrayList <String>();
String string = "/mnt/sdcard/Pictures/MyNewImages/";
File f = new File (string+ SingleAngelActivity.customFolder+ "/");
Log.d(UploadActivity.LOG_TAG, "KEY_TITLE :::--- " + f);
File[] files = f.listFiles ();
Log.d(UploadActivity.LOG_TAG, "getListImages() :::--- " + files);
for (int i = 0; i <files.length; i++)
{
File file = files[i];
Log.d(UploadActivity.LOG_TAG, "i<files.length() :::--- " + i);
Log.d("Count",file.getPath());
it.add (file.getPath());
}
Log.d(UploadActivity.LOG_TAG, "List <String> it :::--- " + it);
return it;
}
//Upload
public void startUpload(final int position) {
Runnable runnable = new Runnable() {
public void run() {
handler.post(new Runnable() {
public void run() {
View v = lstView.getChildAt(position - lstView.getFirstVisiblePosition());
// Show ProgressBar
ProgressBar progress = (ProgressBar)v.findViewById(R.id.progressBar);
progress.setVisibility(View.VISIBLE);
// Status
TextView status = (TextView)v.findViewById(R.id.ColStatus);
status.setText("Uploading..");
new UploadFileAsync().execute(String.valueOf(position));
}
});
}
};
new Thread(runnable).start();
}
// Async Upload
public class UploadFileAsync extends AsyncTask<String, Void, Void> {
String resServer;
int position;
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(String... params) {
// TODO Auto-generated method stub
position = Integer.parseInt(params[0]);
int bytesRead, bytesAvailable, bufferSize;
byte[] buffer;
int maxBufferSize = 1 * 1024 * 1024;
int resCode = 0;
String resMessage = "";
String lineEnd = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
// File Path
String strSDPath = ImageList.get(position).toString();
// Upload to PHP Script
String strUrlServer = "http://10.0.2.2/res/files.php";
try {
/** Check file on SD Card ***/
File file = new File(strSDPath);
if(!file.exists())
{
resServer = "{\"StatusID\":\"0\",\"Error\":\"Please check path on SD Card\"}";
return null;
}
FileInputStream fileInputStream = new FileInputStream(new File(strSDPath));
URL url = new URL(strUrlServer);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setUseCaches(false);
conn.setRequestMethod("POST");
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setRequestProperty("Content-Type",
"multipart/form-data;boundary=" + boundary);
DataOutputStream outputStream = new DataOutputStream(conn
.getOutputStream());
outputStream.writeBytes(twoHyphens + boundary + lineEnd);
outputStream
.writeBytes("Content-Disposition: form-data; name=\"filUpload\";filename=\""
+ strSDPath + "\"" + lineEnd);
outputStream.writeBytes(lineEnd);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
// Read file
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
while (bytesRead > 0) {
outputStream.write(buffer, 0, bufferSize);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}
outputStream.writeBytes(lineEnd);
outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
// Response Code and Message
resCode = conn.getResponseCode();
if(resCode == HttpURLConnection.HTTP_OK)
{
InputStream is = conn.getInputStream();
ByteArrayOutputStream bos = new ByteArrayOutputStream();
int read = 0;
while ((read = is.read()) != -1) {
bos.write(read);
}
byte[] result = bos.toByteArray();
bos.close();
resMessage = new String(result);
}
Log.d("resCode=",Integer.toString(resCode));
Log.d("resMessage=",resMessage.toString());
fileInputStream.close();
outputStream.flush();
outputStream.close();
resServer = resMessage.toString();
} catch (Exception ex) {
// Exception handling
return null;
}
return null;
}
protected void onPostExecute(Void unused) {
statusWhenFinish(position,resServer);
}
}
// when upload finish
protected void statusWhenFinish(int position, String resServer) {
View v = lstView.getChildAt(position - lstView.getFirstVisiblePosition());
// Show ProgressBar
ProgressBar progress = (ProgressBar)v.findViewById(R.id.progressBar);
progress.setVisibility(View.GONE);
// Status
TextView status = (TextView)v.findViewById(R.id.ColStatus);
/*** Default Value ***/
String strStatusID = "0";
String strMessage = "File Exists!";
try {
JSONObject c = new JSONObject(resServer);
strStatusID = c.getString("StatusID");
strMessage = c.getString("Message");
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// Prepare Status
if(strStatusID.equals("0"))
{
status.setText( strMessage );
status.setTextColor(Color.RED);
// Enabled Button again
Button btnUpload = (Button) v.findViewById(R.id.btnUpload);
btnUpload.setText("Already Uploaded");
btnUpload.setTextColor(Color.RED);
btnUpload.setEnabled(true);
}
else
{
status.setText("Upload Completed.");
status.setTextColor(Color.GREEN);
}
}