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- public class Tab2Activity extends Activity
- {
- SharedPreferences preferences;
- String driver;
- String task;
- @Override
- protected void onCreate(Bundle savedInstanceState)
- {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.tab2);
- preferences = getSharedPreferences("MYPREFS", Context.MODE_PRIVATE);
- TextView name = (TextView) findViewById (R.id.textView1);
- // dummy data to send
- task="login";
- driver="2";
- // create and call background activity
- BackgroundTask backgroundTask = new BackgroundTask(Tab2Activity.this);
- backgroundTask.execute(task,driver);
- //get data back from sharedpreference
- String mName = preferences.getString("myData","ERROR getting name");
- //display data
- name.setText(mName);
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu)
- {
- // Inflate the menu; this adds items to the action bar if it is present.
- getMenuInflater().inflate(R.menu.tab2, menu);
- return true;
- }
- @Override
- public boolean onOptionsItemSelected(MenuItem item) {
- // Handle action bar item clicks here. The action bar will
- // automatically handle clicks on the Home/Up button, so long
- // as you specify a parent activity in AndroidManifest.xml.
- int id = item.getItemId();
- if (id == R.id.action_settings) {
- return true;
- }
- return super.onOptionsItemSelected(item);
- }
- }
- public class BackgroundTask extends AsyncTask<String,Void,String>
- {
- SharedPreferences preferences;
- SharedPreferences.Editor editor;
- SharedPreferences.Editor pig;
- Context context;
- BackgroundTask(Context ctx)
- {
- this.context = ctx;
- }
- @Override
- protected String doInBackground(String... params)
- {
- preferences = context.getSharedPreferences("MYPREFS", Context.MODE_PRIVATE);
- editor = preferences.edit();
- editor.putString("flag","0");
- editor.commit();
- String urlLogin = "http://Domain.com/GetJobs.php";
- String task = params[0];
- String driver_id_app = params[1];
- try {
- URL url = new URL(urlLogin);
- HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
- httpURLConnection.setRequestMethod("POST");
- httpURLConnection.setDoOutput(true);
- httpURLConnection.setDoInput(true);
- //send the driver number to the database
- OutputStream outputStream = httpURLConnection.getOutputStream();
- OutputStreamWriter outputStreamWriter = new OutputStreamWriter(outputStream,"UTF-8");
- BufferedWriter bufferedWriter = new BufferedWriter(outputStreamWriter);
- String myData = URLEncoder.encode("driver_id","UTF-8")+"="+URLEncoder.encode(driver_id_app,"UTF-8");
- //+"&"+URLEncoder.encode("identifier_loginPassword","UTF-8")+"="+URLEncoder.encode(loginPassword,"UTF-8");
- bufferedWriter.write(myData);
- bufferedWriter.flush();
- bufferedWriter.close();
- outputStream.close();
- //get response from the database
- InputStream inputStream = httpURLConnection.getInputStream();
- InputStreamReader inputStreamReader = new InputStreamReader(inputStream,"UTF-8");
- BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
- String dataResponse = "";
- String inputLine = "";
- while((inputLine = bufferedReader.readLine()) != null){
- dataResponse += inputLine;
- }
- bufferedReader.close();
- inputStream.close();
- httpURLConnection.disconnect();
- //System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
- ///System.out.println(dataResponse);
- editor.putString("flag","login");
- editor.commit();
- pig = preferences.edit();
- pig.putString("myData",dataResponse);
- pig.commit();
- return dataResponse;
- }
- catch (MalformedURLException e)
- {
- e.printStackTrace();
- }
- catch (IOException e)
- {
- e.printStackTrace();
- }
- return null;
- }
- @Override
- protected void onPreExecute() {
- super.onPreExecute();
- }
- @Override
- protected void onProgressUpdate(Void... values)
- {
- super.onProgressUpdate(values);
- }
- public void display(String title, String message){
- AlertDialog.Builder builder = new AlertDialog.Builder(context);
- builder.setCancelable(true);
- builder.setTitle(title);
- builder.setMessage(message);
- builder.show();
- }
- }
- 01-21 23:28:26.074: E/AndroidRuntime(27426): FATAL EXCEPTION: AsyncTask #3
- 01-21 23:28:26.074: E/AndroidRuntime(27426): Process: com.example.tabdemo, PID: 27426
- 01-21 23:28:26.074: E/AndroidRuntime(27426): java.lang.RuntimeException: An error occurred while executing doInBackground()
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at android.os.AsyncTask$3.done(AsyncTask.java:309)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.util.concurrent.FutureTask.setException(FutureTask.java:223)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.util.concurrent.FutureTask.run(FutureTask.java:242)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:234)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.lang.Thread.run(Thread.java:818)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): Caused by: java.lang.SecurityException: Permission denied (missing INTERNET permission?)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.net.InetAddress.lookupHostByName(InetAddress.java:464)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:252)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.net.InetAddress.getAllByName(InetAddress.java:215)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.Network$1.resolveInetAddresses(Network.java:29)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:220)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.http.RouteSelector.nextProxy(RouteSelector.java:176)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:108)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.http.HttpEngine.createNextConnection(HttpEngine.java:482)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.http.HttpEngine.nextConnection(HttpEngine.java:465)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:447)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:353)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:476)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.huc.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:118)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getOutputStream(HttpURLConnectionImpl.java:249)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.example.tabdemo.BackgroundTask.doInBackground(BackgroundTask.java:63)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at com.example.tabdemo.BackgroundTask.doInBackground(BackgroundTask.java:1)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at android.os.AsyncTask$2.call(AsyncTask.java:295)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.util.concurrent.FutureTask.run(FutureTask.java:237)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): ... 4 more
- 01-21 23:28:26.074: E/AndroidRuntime(27426): Caused by: android.system.GaiException: android_getaddrinfo failed: EAI_NODATA (No address associated with hostname)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at libcore.io.Posix.android_getaddrinfo(Native Method)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at libcore.io.ForwardingOs.android_getaddrinfo(ForwardingOs.java:55)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): at java.net.InetAddress.lookupHostByName(InetAddress.java:451)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): ... 21 more
- 01-21 23:28:26.074: E/AndroidRuntime(27426): Caused by: android.system.ErrnoException: android_getaddrinfo failed: EACCES (Permission denied)
- 01-21 23:28:26.074: E/AndroidRuntime(27426): ... 24 more
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