我正在尝试通过GPS获取当前位置。但我的申请意外关闭。我不明白原因。我已经在AndroidManifest中获得了权限.xml:
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
我正在尝试的代码如下:
公共类 主活动扩展活动 {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
public void getLoc()
{
LocationManager manager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
LocationListener listener = new MyLocationListener();
manager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 5000, 10, listener);
}
public class MyLocationListener implements LocationListener {
@Override
public void onLocationChanged(Location loc)
{
loc.getLatitude();
loc.getLongitude();
String Text = "My current location is: " + "Latitude = " + loc.getLatitude() + "Longitude = " + loc.getLongitude();
Toast.makeText( getApplicationContext(), Text, Toast.LENGTH_SHORT).show();
}
@Override
public void onProviderDisabled(String provider)
{
Toast.makeText( getApplicationContext(), "Gps Disabled", Toast.LENGTH_SHORT ).show();
}
@Override
public void onProviderEnabled(String provider)
{
Toast.makeText( getApplicationContext(), "Gps Enabled", Toast.LENGTH_SHORT).show();
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras)
{ }
}
}
试试这个。首先使这段代码变得简单。
在 onCreate 中添加此行,因为我没有看到在 onCreate 中调用的任何 getloc 方法
LocationManager manager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
LocationListener listener = new MyLocationListener();
manager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 5000, 10, listener);
为了进行测试,请将这些值更改为 0
manager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 0, 0, listener);
并更改位置使用此方法更改。
public void onLocationChanged(Location location) {
int lat = (int) (location.getLatitude());
int lng = (int) (location.getLongitude());
latituteField.setText(String.valueOf(lat));
longitudeField.setText(String.valueOf(lng));
}
或尝试此链接
试试这个,它可能会对你有所帮助
LocationManager mlocManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
LocationListener mlocListener = new MyLocationListener();
mlocManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0,
mlocListener);
public class MyLocationListener implements LocationListener {
@Override
public void onLocationChanged(Location loc) {
loc.getLatitude();
loc.getLongitude();
Geocoder gcd = new Geocoder(getApplicationContext(),
Locale.getDefault());
try {
mAddresses = gcd.getFromLocation(loc.getLatitude(),
loc.getLongitude(), 1);
} catch (IOException e) {
}
String cityName = (mAddresses != null) ? mAddresses.get(0)
.getLocality() : TimeZone.getDefault().getID();
String countryName = (mAddresses != null) ? mAddresses.get(0)
.getCountryName() : Locale.getDefault().getDisplayCountry()
.toString();
mCurrentSpeed.setText(loc.getSpeed());
}
@Override
public void onProviderDisabled(String provider) {
Toast.makeText(getApplicationContext(), "Gps Disabled",
Toast.LENGTH_SHORT).show();
}
@Override
public void onProviderEnabled(String provider) {
Toast.makeText(getApplicationContext(), "Gps Enabled",
Toast.LENGTH_SHORT).show();
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
}