Is there any command through which I can reset the magnetic sensor in an Android device?
I tried echo 1 > /sys/class/sensors/proximity_sensor/prox_cal as suggested here but it's not working.
Are these commands handset dependent?
I am trying this code:
Process process ;
try {
process = Runtime.getRuntime().exec("echo 1 > /sys/class/sensors/proximity_sensor/prox_cal");
BufferedReader bufferedReader = new BufferedReader(
new InputStreamReader(process.getInputStream()));
System.out.println("Executing ADB Command");
}
catch(IOException e)
{
System.out.println("Some error while executing ADB Command");
}
It's always going in the catch block. Can anyone help me on this?
Related
I am opening a socket in jmeter (using groovy in JSR223 Sampler), and storing the message in a jmeter variable. This is the below code:
SocketAddress inetSocketAddress = new InetSocketAddress(InetAddress.getByName("localhost"),4801);
def server = new ServerSocket()
server.bind(inetSocketAddress)
while(!vars.get("caseId"))) {
server.accept { socket ->
log.info('Someone is connected')
socket.withStreams { input, output ->
InputStreamReader isReader = new InputStreamReader(input);
BufferedReader reader = new BufferedReader(isReader);
StringBuffer sb = new StringBuffer();
String str;
while((str = reader.readLine())!= null){
sb.append(str);
}
String finalStr = sb.toString()
String caseId = finalStr.split("<caseId>")[1].split("</caseId>")[0]
vars.put("caseId", caseId)
}
log.info("Connection processed")
}
}
if(vars.get("caseId"))
{
try
{
server.close();
vars.put("socketClose",true);
}
catch(Exception e)
{
log.info("Error in closing the socket: " + e.getMessage());
}
}
Now, there is some time delay between the first loop is executed and the message being recieved from the port. It doesnt receive the message immediately, and hence while loop is executed again. And then message is received and it sets caseId. It goes on to close the socket, because caseId is set. And that is throwing the error, because socket is still waiting for the message. So is there a way, to wait until socket has recieved all the messages, so i could properly close it?
Or just force close the socket, and Jmeter wont throw any exception?
Or when i execute next component, say IF controller in Jmeter, it waits until variable socketClose is set true? In that way, instead of while loops inside JSR223 sampler, i could use multiple If Controllers in Jmeter thread.
This is how ServerSocket.close() function works
public void close()
throws IOException
Closes this socket. Any thread currently blocked in accept() will throw a SocketException.
I don't think there is a way "to wait until socket has recieved all the messages" because Socket is dump as a rock and it can either listen for connections or shut down.
Maybe you might be interested in setSoTimeout() function?
Also this line:
vars.put("socketClose",true)
is very suspicious, I think you need to change it either to:
vars.put("socketClose", "true")
or to
vars.putObject("socketClose",true)
as JMeterVariables.put() function can accept only a String, see Top 8 JMeter Java Classes You Should Be Using with Groovy article for more details.
Would like to use "dumpsys meminfo" programmatically to printout the memory usage for the application at certain time points,
added <uses-permission android:name="android.permission.DUMP" />, and tested on emulator with the following code, but got exception:
"java.io.IOException: Cannot run program "adb": error=13, Permission denied"
fun dump() {
val process = Runtime.getRuntime().exec("adb shell dumpsys meminfo com.testapp.demo")
process.waitFor()
val bufferedReader = BufferedReader(InputStreamReader(process.getInputStream()))
var buffer: String? = ""
while (bufferedReader.readLine().also({ buffer = it }) != null) {
Log.i("+++", buffer)
}
buffer = ""
val buffered = BufferedReader(InputStreamReader(process.getErrorStream()))
while (buffered.readLine().also({ buffer = it }) != null) {
Log.w("+++", buffer)
}
}
Runtime.getRuntime().exec() runs inside the tablet, So adb shell is unnecessary command.
You can thus try this...?
Runtime.getRuntime().exec("dumpsys meminfo com.testapp.demo")
I am trying to execute android CTS via this command:
./cts-tradefed run cts --shards ${no_of_devices}
When I execute a plain shell command from terminal it detects all the connected devices and executes test suite in parallel using all connected devices to execute tests.
While when I try to call this shell command from Java code(locally) or CI server; it detects all devices but executes tests on (no_of_devices -1).
The device that gets ignored is always the first device in the list. Confirmed that device itself is not a problem because if same device is not the first one in the list of devices, that device will be used for executing the tests.
My shell script looks like:
!#/bin/bash
./cts-tradefed run cts --shards 2 #say if I have two devices connected
The java code I use to execute the shell script is this:
public class Main {
public static void main(String[] args) {
ProcessBuilder pb = new ProcessBuilder("temp/run-cts-with-sharding.sh");
try {
Process p = pb.start();
Thread.sleep(2000);
BufferedReader reader = new BufferedReader(
new InputStreamReader(p.getInputStream()));
String line;
while ((line = reader.readLine()) != null) {
System.out.println(line);
}
} catch(Exception e) {
System.out.println("Exception on pb.start(): " + e);
}
}
}
I am getting the error: "ExecuteReader requires an open connection" and I know the fix is to add a connection.Open() / connection.Close(). My question pertaining to this error is more for me to understand exactly what happen under the hood.
I am currently using the "USING" statement which I expect it to open and close/dispose the connection for me. So I guess I don't understand why it didn't work as expected and I needed to explicitly code the connection.Open() / connection.Close() myself to fix the issue. I did some research and found people experienced similar issue because they were using static connection. In my case, I am creating a new instance of the connection... hence, it bothers me and hoping to get to the bottom of this instead of just fix it and move on. Thank you in advance.
Here is the code:
try
{
using (SqlConnection connection = new SqlConnection(myConnStr))
using (SqlCommand command = new SqlCommand("mySPname", connection))
{
command.CommandType = CommandType.StoredProcedure;
//add some parameters
SqlParameter retParam = command.Parameters.Add("#RetVal", SqlDbType.VarChar);
retParam.Direction = ParameterDirection.ReturnValue;
/////////////////////////////////////////////////
// fix - add this line of code: connection.Open();
/////////////////////////////////////////////////
using(SqlDataReader dr = command.ExecuteReader())
{
int success = (int)retParam.Value;
// manually close the connection here if manually open it. Code: connection.Close();
return Convert.ToBoolean(success);
}
}
}
catch (Exception ex)
{
throw;
}
Using does not open any connections, it only disposes of any allocated memory after calling End Using.
For the SqlConnection, you have to explicitly open it inside the using block, you just don't need to close it though.
I also notice that you are missing a set of brackets {} around the using SqlConnection. Maybe that's the issue? It should be like this:
try
{
using (SqlConnection connection = new SqlConnection(myConnStr))
{
connection.Open();
using (SqlCommand command = new SqlCommand("InsertProcessedPnLFile", connection))
{
command.CommandType = CommandType.StoredProcedure;
//add some parameters
SqlParameter retParam = command.Parameters.Add("#RetVal", SqlDbType.VarChar);
retParam.Direction = ParameterDirection.ReturnValue;
/////////////////////////////////////////////////
// fix - add this line of code: connection.Open();
/////////////////////////////////////////////////
using(SqlDataReader dr = command.ExecuteReader())
{
int success = (int)retParam.Value;
// manually close the connection here if manually open it. Code: connection.Close();
return Convert.ToBoolean(success);
}
}
}
}
I'm trying to connect to a ForexTrading broker FIX API and do some trading.
I tried my best to read through the Quickfix for .net. and almost understand the process of how the quickfix works. However, when I try to initiate the socketinitiator, I failed to do that and there are no complaints and exceptions from VS 2012. It is simply stuck there.
Here's my code:
private void iFind_ItemClick(object sender, ItemClickEventArgs e)
{
try
{
QuickFix.SessionSettings settings = new QuickFix.SessionSettings("C:\\Users\\Administrator\\Documents\\My Box Files(shewenhao#hotmail.com)\\Work With Mr.Liu\\ForexAutoTradingSystem\\ForexAutoTradingSystem\\integralfix.cfg");
IntegralFixAPI integralFixAPIApplication = new IntegralFixAPI();
QuickFix.IMessageStoreFactory storeFactory = new QuickFix.FileStoreFactory(settings);
QuickFix.ILogFactory logFactory = new QuickFix.ScreenLogFactory(settings);
QuickFix.Transport.SocketInitiator initiator = new QuickFix.Transport.SocketInitiator(
integralFixAPIApplication, storeFactory, settings, logFactory);
MessageBox.Show(settings.ToString());
integralFixAPIApplication.MyInitiator = initiator;
initiator.Start();
while (true)
{
Thread.Sleep(200);
MessageBox.Show("true");
}
//initiator.Stop();
}
catch (System.Exception systeme)
{
Console.WriteLine(systeme.Message);
Console.WriteLine(systeme.StackTrace);
}
}
You may notice that I have a MessageBox right below the SocketInitiator and it pops up before this QuickFix.Transport.SocketInitiator line. I do not get it that why I failed at this point. On the page of quickfix .Net http://quickfixn.org/tutorial/creating-an-application, it says that you simply need to replace the threadedacceptor with the socketinitiator. However, I can not pass through this initiation line.