<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>

public void getLocation() {
//获取Location
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}

    String locationProvider;
    //获取地理位置管理器
    LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
    //获取所有可用的位置提供器
    List<String> providers = locationManager.getProviders(true);
    if (providers.contains(LocationManager.GPS_PROVIDER)) {
        //如果是GPS
        locationProvider = LocationManager.GPS_PROVIDER;
    } else if (providers.contains(LocationManager.NETWORK_PROVIDER)) {
        //如果是Network
        locationProvider = LocationManager.NETWORK_PROVIDER;
    } else {
        Toast.makeText(this, "没有可用的位置提供器", Toast.LENGTH_SHORT).show();
        return;
    }
    Location location = locationManager.getLastKnownLocation(locationProvider);
    if (location != null) {
        //不为空,显示地理位置经纬度
        updateVersion(location.getLatitude(), location.getLongitude());
    }
    //监视地理位置变化
    locationManager.requestLocationUpdates(locationProvider, 3000, 1, locationListener);
}

///////////////////////////////////////////
LocationListener locationListener = new LocationListener() {

    @Override
    public void onStatusChanged(String provider, int status, Bundle arg2) {

    }

    @Override
    public void onProviderEnabled(String provider) {

    }

    @Override
    public void onProviderDisabled(String provider) {

    }

    @Override
    public void onLocationChanged(Location location) {
        //如果位置发生变化,重新显示
        updateVersion(location.getLatitude(), location.getLongitude());
    }
};

////////////////////////////////////////////////////////////////////////////////
public void updateVersion(double wd, double jd) {
final String path = "http://api.map.baidu.com/geocoder?output=json&location=" + wd + "," + jd;
new Thread(new Runnable() {
@Override
public void run() {
try {
URL url=new URL(path);
HttpURLConnection urlConnection=(HttpURLConnection) url.openConnection();
urlConnection.setConnectTimeout(5000);
urlConnection.setReadTimeout(5000);
urlConnection.setRequestMethod("GET");
urlConnection.connect();
int code=urlConnection.getResponseCode();
if (code==200) {
InputStream inputStream=urlConnection.getInputStream();
BufferedReader bufferedReader=new BufferedReader(new InputStreamReader(inputStream));
String line;
StringBuffer buffer=new StringBuffer();
while ((line=bufferedReader.readLine())!=null) {
buffer.append(line);

                    }
                    final String str =buffer.toString();
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            TextView textView = findViewById(R.id.tv_location);
                            textView.setText(str);
                        }
                    });

                }
            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (IOException e) {

            }
        }
    }).start();
}

###################################################
public void setTags(List<String> tags) {
if (tags != null && tags.size() > 0) {
for (int i = 0; i < tags.size(); i++) {
TextView textView = new TextView(getContext());
textView.setSingleLine();
textView.setEllipsize(TextUtils.TruncateAt.END);
textView.setGravity(Gravity.CENTER);
textView.setTextSize(13);
textView.setTextColor(Color.RED);
textView.setText(tags.get(i));
LayoutParams params = new LayoutParams(WRAP_CONTENT, WRAP_CONTENT);
addView(textView, params);
}
}
}

@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    int withLeft = 0;
    int width = getWidth();
    int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        View view = getChildAt(i);
        int measuredWidth = view.getMeasuredWidth();
        int measuredHeight = view.getMeasuredHeight();
        if (withLeft + measuredWidth > width) {
            if (i == 0) {
                int withMeasureSpec = MeasureSpec.makeMeasureSpec(width - withLeft, MeasureSpec.EXACTLY);
                int heiMeasureSpec = MeasureSpec.makeMeasureSpec(measuredHeight, MeasureSpec.EXACTLY);
                view.measure(withMeasureSpec, heiMeasureSpec);
                view.layout(withLeft, 0, withLeft + view.getMeasuredWidth(), view.getMeasuredHeight());
            } else {
                break;
            }
        } else {
            view.layout(withLeft + SPACE, 0, withLeft + SPACE + view.getMeasuredWidth(), view.getMeasuredHeight());
        }
        withLeft += measuredWidth + SPACE;
    }
}