Android6.0获取GPS定位和获取位置权限和位置信息的方法

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

private static final int BAIDU_READ_PHONE_STATE = 100;//定位权限请求
private static final int PRIVATE_CODE = 1315;//开启GPS权限

/**
* 检测GPS、位置权限是否开启
*/
public void showGPSContacts() {
lm = (LocationManager) this.getSystemService(this.LOCATION_SERVICE);
boolean ok = lm.isProviderEnabled(LocationManager.GPS_PROVIDER);
if (ok) {//开了定位服务
if (Build.VERSION.SDK_INT  = 23) { //判断是否为android6.0系统版本，如果是，需要动态添加权限
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
!= PERMISSION_GRANTED) {// 没有权限，申请权限。
ActivityCompat.requestPermissions(this, LOCATIONGPS,
BAIDU_READ_PHONE_STATE);
} else {
getLocation();//getLocation为定位方法
}
} else {
getLocation();//getLocation为定位方法
}
} else {
Toast.makeText(this, "系统检测到未开启GPS定位服务,请开启", Toast.LENGTH_SHORT).show();
Intent intent = new Intent();
intent.setAction(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivityForResult(intent, PRIVATE_CODE);
}
}
/**
* 获取具体位置的经纬度
*/
private void getLocation() {
// 获取位置管理服务
LocationManager locationManager;
String serviceName = Context.LOCATION_SERVICE;
locationManager = (LocationManager) this.getSystemService(serviceName);
// 查找到服务信息
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_FINE); // 高精度
criteria.setAltitudeRequired(false);
criteria.setBearingRequired(false);
criteria.setCostAllowed(true);
criteria.setPowerRequirement(Criteria.POWER_LOW); // 低功耗
String provider = locationManager.getBestProvider(criteria, true); // 获取GPS信息
/**这段代码不需要深究，是locationManager.getLastKnownLocation(provider)自动生成的，不加会出错**/
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != 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;
}
Location location = locationManager.getLastKnownLocation(provider); // 通过GPS获取位置
updateLocation(location);
}
/**
* 获取到当前位置的经纬度
* @param location
*/
private void updateLocation(Location location) {
if (location != null) {
double latitude = location.getLatitude();
double longitude = location.getLongitude();
LogUtil.e("维度：" + latitude + "\n经度" + longitude);
} else {
LogUtil.e("无法获取到位置信息");
}
}
/**
* Android6.0申请权限的回调方法
*/
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
// requestCode即所声明的权限获取码，在checkSelfPermission时传入
case BAIDU_READ_PHONE_STATE:
//如果用户取消，permissions可能为null.
if (grantResults[0] == PERMISSION_GRANTED && grantResults.length   0) { //有权限
// 获取到权限，作相应处理
getLocation();
} else {
showGPSContacts();
}
break;
default:
break;
}
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case PRIVATE_CODE:
showContacts();
break;
}
}

static final String[] LOCATIONGPS = new String[]{Manifest.permission.ACCESS_COARSE_LOCATION, 
Manifest.permission.ACCESS_FINE_LOCATION, 
Manifest.permission.READ_PHONE_STATE};