[android-developers] Re: show toast message while waiting for location

Τη Τετάρτη, 15 Μαΐου 2013 11:25:27 π.μ. UTC+3, ο χρήστης geo έγραψε:

Hello ,

I have an application where I use GPS and I want while GPS is looking for position to display a toast "Waiting for location" and when location is found show the location.

To start GPS I press a button:

case R.id.getlocation:

gps = new GPSTracker(ShowList.this);

// check if GPS enabled

if(gps.canGetLocation()){

latitude = gps.getLatitude();

longitude = gps.getLongitude();

Toast.makeText(getApplicationContext(), "Your Location is \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show();

}else{

//show dialog for enabling GPs

gps.showSettingsAlert();

}

Now, with the above it shows "latitude and latitude :0 " because I initialize them to 0. 

case R.id.getlocation:

gps = new GPSTracker(ShowList.this);

// check if GPS enabled

if(gps.canGetLocation()){

showToast();

}else{

   

gps.showSettingsAlert();

}

private void showToast() {

new Thread() {

public void run() {

try {

while (message) {

runOnUiThread(new Runnable() {

@Override

public void run() {

latitude = gps.getLatitude();

longitude = gps.getLongitude();

Toast.makeText(getApplicationContext(), "Waiting for location", Toast.LENGTH_LONG).show();

//}else{

// gps.showSettingsAlert();

// }

}

});

Thread.sleep(1000);

message=false;

}

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}.start();

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