我真的砸了我的脑袋，我根本无法让它工作..请它已经超过2天了......我所得到的只是
Can't create handler inside thread that has not called Looper.prepare()
在
ImgInt.java
at
UptSr u = new UptSr();
以下是代码：
ImgInt.java（不是完整代码！）
if(arrPath != null)
{ UptSr u = new UptSr();
u.doItNow(arrPath[i]);
}
UptSr.java
package com.example.allpicsexample;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Random;
import org.json.JSONException;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.util.Log;
public class UptSr extends Activity {
// TextView messageText;
// Button uploadButton;
int serverResponseCode = 0;
ProgressDialog dialog = null;
String upLoadServerUri = null;
/********** File Path *************/
String uploadFilePath = "";
String uploadFileName = "";
String extension;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// setContentView(R.layout.activity_main);
/************* Php script path ****************/
upLoadServerUri = "http://listtoomarketing.com/dkh.php";
}
public void doItNow(String s){
// uploadFile(uploadFilePath)
uploadFilePath = s;
new Thread(new Runnable() {
public void run() {
runOnUiThread(new Runnable() {
public void run() {
// messageText.setText("uploading started.....");
}
});
uploadFile(uploadFilePath + "" + uploadFileName);
}
}).start();;
}
private static final String ALLOWED_CHARACTERS ="0123456789qwertyuiopasdfghjklzxcvbnm";
private static String getRandomString(final int sizeOfRandomString)
{
final Random random=new Random();
final StringBuilder sb=new StringBuilder();
for(int i=0;i<sizeOfRandomString;++i)
sb.append(ALLOWED_CHARACTERS.charAt(random.nextInt(ALLOWED_CHARACTERS.length())));
return sb.toString();
}
public void uploadFile(String sourceFileUri) {
Log.i("sourcefile", sourceFileUri);
String fileName = sourceFileUri;
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(sourceFileUri);
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("http://listtoomarketing.com/dkh.php");
// 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);
// Getting file extension
String flname = fileName;
String filenameArray[] = flname.split("\\.");
extension = filenameArray[filenameArray.length-1];
flname = flname.substring(0, flname.lastIndexOf('.'));
// Generating randon string to append the original filename
fileName = flname + "--" + getRandomString(5) + "." + extension;
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() {
// Getting current time
SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy_HH:mm:ss");
String currentDateandTime = sdf.format(new Date());
// Getting file created/modified date
File file = new File(uploadFilePath);
Date lastModDate = new Date(file.lastModified());
imginfoposter imginfo = new imginfoposter();
try {
imginfo.postData(uploadFilePath, extension, currentDateandTime, lastModDate.toString());
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String msg = "File Upload Completed.\n\n See uploaded file here : \n\n"
+" http://www.androidexample.com/media/uploads/"
+uploadFileName;
// messageText.setText(msg);
// Toast.makeText(UptSr.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(UptSr.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(UptSr.this, "Got Exception : see logcat ",
// Toast.LENGTH_SHORT).show();
}
});
Log.e("Upload file to server Exception", "Exception : "
+ e.getMessage(), e);
}
// dialog.dismiss();
// return serverResponseCode;
} // End else block
}
}
logcat的：
11-18 23:40:48.459: W/System.err(12223): java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
11-18 23:40:48.479: W/System.err(12223): at android.os.Handler.<init>(Handler.java:121)
11-18 23:40:48.489: W/System.err(12223): at android.app.Activity.<init>(Activity.java:680)
11-18 23:40:48.489: W/System.err(12223): at com.example.allpicsexample.UptSr.<init>(UptSr.java:25)
11-18 23:40:48.499: W/System.err(12223): at com.example.allpicsexample.ImgInt$ImgIntex.doInBackground(ImgInt.java:93)
11-18 23:40:48.499: W/System.err(12223): at com.example.allpicsexample.ImgInt$ImgIntex.doInBackground(ImgInt.java:1)
11-18 23:40:48.509: W/System.err(12223): at android.os.AsyncTask$2.call(AsyncTask.java:185)
11-18 23:40:48.509: W/System.err(12223): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
11-18 23:40:48.519: W/System.err(12223): at java.util.concurrent.FutureTask.run(FutureTask.java:138)
11-18 23:40:48.529: W/System.err(12223): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
11-18 23:40:48.529: W/System.err(12223): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
11-18 23:40:48.529: W/System.err(12223): at java.lang.Thread.run(Thread.java:1019)