Android获取位置

init.java

    LocationManager locMag;
    Location location;
    private Toast mToast;

LocationListener.java

LocationListener locationListener = new LocationListener() {
    // Provider的状态在可用、暂时不可用和无服务三个状态直接切换时触发此函数
    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
    }

    // Provider被enable时触发此函数，比如GPS被打开
    @Override
    public void onProviderEnabled(String provider) {
        Log.e(this.getClass().toString(), provider);
    }

    // Provider被disable时触发此函数，比如GPS被关闭
    @Override
    public void onProviderDisabled(String provider) {
        Log.e(this.getClass().toString(), provider);
    }

    // 当坐标改变时触发此函数，如果Provider传进相同的坐标，它就不会被触发
    @Override
    public void onLocationChanged(Location loca) {
        location=loca;
        String strLoc = "未获取位置信息";
        if (location != null) {
            Log.i("Map", "Location changed : Lat: " + location.getLatitude() + " Lng: " + location.getLongitude());
            //获取当前位置，这里只用到了经纬度
            strLoc= "纬度为：" + location.getLatitude() + ",经度为："
                    + location.getLongitude();
        }
        showToast("" + strLoc);
    }
}

main.java

        locMag = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        List<String> listAll = locMag.getAllProviders();//获取全部的定位provoider
        List<String> list = locMag.getProviders(true);//获取可用的定位provoider
        Log.d(this.getClass().toString(), list.size());

        if (list.contains(LocationManager.GPS_PROVIDER)) {
            //是否为GPS位置控制器
            provider = LocationManager.GPS_PROVIDER;
            Log.d(this.getClass().toString(), "使用GPS");
        } else if (list.contains(LocationManager.NETWORK_PROVIDER)) {
            //是否为网络位置控制器
            provider = LocationManager.NETWORK_PROVIDER;
            Log.d(this.getClass().toString(), "使用网络位置");
        } else {
            Toast.makeText(this, "请检查网络或GPS是否打开",
                    Toast.LENGTH_LONG).show();
            return;
        }

        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            Log.d(this.getClass().toString(), "定位权限拒绝！");
            showToast("请允许应用获取位置信息！");
            return;
        }
        location = locMag.getLastKnownLocation(provider);
        if (location != null) {
            //获取当前位置
            String string = "纬度为：" + location.getLatitude() + ",经度为："
                    + location.getLongitude();
            showToast("" + string);
        } else {
            locMag.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 0, locationListener);
            showToast("暂未获取到位置信息");
        }

showToast.java

    private void showToast(String msg) {
        if (mToast == null) {
            mToast = Toast.makeText(this, msg, Toast.LENGTH_SHORT);
        } else {
            mToast.setText(msg);
        }
        mToast.show();
    }