小编Hec*_*lez的帖子

我有这个代码的问题,"无法解决方法getMap().我没有找到问题所在,请求代码帮助,我使用Android Studio,需要使用Json的mySQL标记位置.

    googleMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.googleMap)).getMap();`

这是完整的代码

 public class MainActivity extends FragmentActivity {

    private GoogleMap googleMap;
    private Double Latitude = 0.00;
    private Double Longitude = 0.00;
    private GoogleApiClient client2;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if (Build.VERSION.SDK_INT > 9) {
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }

        ArrayList<HashMap<String, String>> location = null;
        String url = "http://www.evil.cl/getLatLon.php";
        try {

            JSONArray data = new JSONArray(getHttpGet(url));

            location = new ArrayList<HashMap<String, String>>();
            HashMap<String, String> map;

            for (int i = 0; i < data.length(); …