public void onSensorChanged(SensorEvent sensorEvent) {
synchronized (this) {
if (sensorEvent.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD) {
float magX = sensorEvent.values[0];
float magY = sensorEvent.values[1];
float magZ = sensorEvent.values[2];
magneticX.setText(Float.toString(sensorEvent.values[0]));
magneticY.setText(Float.toString(sensorEvent.values[1]));
magneticZ.setText(Float.toString(sensorEvent.values[2]));
double teslaXYZ = (Math.sqrt((magX * magX) + (magY * magY)
+ (magZ * magZ)));
magneticT.setText(Double.toString(teslaXYZ));
try {
JSONObject tesla = new JSONObject();
tesla.put("tesla", teslaXYZ);
telsaString = tesla.toString();
new MyAsyncTask().execute(telsaString);
} catch (JSONException e) {
e.printStackTrace();
}
}
}
}
class MyAsyncTask extends AsyncTask<String, Integer, String> {
@Override
protected String doInBackground(String... params) {
// TODO Auto-generated method stub
BufferedReader reader = null;
try {
System.out.println("The output of : doInBackground "
+ params[0]);
URL myUrl = new URL(
"https://serverside-rhcloud.com/webapi/tesla");
HttpURLConnection conn = (HttpURLConnection) myUrl
.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.setConnectTimeout(10000);
conn.setReadTimeout(10000);
conn.setRequestProperty("Content-Type", "application/json");
conn.connect();
DataOutputStream wr = new DataOutputStream(
conn.getOutputStream());
wr.writeBytes(params[0]);
wr.close();
StringBuilder sb = new StringBuilder();
reader = new BufferedReader(new InputStreamReader(
conn.getInputStream()));
String line;
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
System.out.println("The output of the StringBulder: "
+ sb.toString());
} catch (IOException e) {
e.printStackTrace();
return null;
} finally {
if (reader != null) {
try {
reader.close();
return null;
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
return null;
}
protected void onPostExecute(String result) {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
new MyAsyncTask().execute(telsaString);
}
}, 5 * 1000);
}
}
