代码中打开关闭gps(测试成功)

LocationManager locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);

if (!locationManager
        .isProviderEnabled(android.location.LocationManager.GPS_PROVIDER)) {

Intent gpsIntent = new Intent();
gpsIntent.setClassName("com.android.settings",
                "com.android.settings.widget.SettingsAppWidgetProvider");
gpsIntent.addCategory("android.intent.category.ALTERNATIVE");
gpsIntent.setData(Uri.parse("custom:3"));
try {
        PendingIntent.getBroadcast(this, 0, gpsIntent, 0).send();
}
catch (CanceledException e) {
        e.printStackTrace();
}
要加入<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>权限