设置GPS是否可用

设置GPS是否为可找开状态，未打开

 private void toggleGPS() {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();}}