package com.gwtsz.gts2.util;

import android.content.Context;

import android.provider.Settings;

import android.provider.Settings.SettingNotFoundException;

/**

 * 重力感应器开关

 * 环绕手机屏幕旋转的设置功能编写的方法

 * @author Wilson

 */

public class SensorUtil {

	/**

	 * 打开重力感应。即设置屏幕可旋转

	 * @param context

	 */

	public static void openSensor(Context context){

		Settings.System.putInt(context.getContentResolver(),Settings.System.ACCELEROMETER_ROTATION, 1);

	}

	/**

	 * 关闭重力感应，即设置屏幕不可旋转

	 * @param context

	 */

	public static void closeSensor(Context context){

		Settings.System.putInt(context.getContentResolver(),Settings.System.ACCELEROMETER_ROTATION, 0);

	}

	/**

	 * 获取屏幕旋转功能开启状态

	 * @param context

	 * @return

	 */

	public static int getSensorState(Context context){

		int sensorState = 0;

		try {

			sensorState = Settings.System.getInt(context.getContentResolver(), Settings.System.ACCELEROMETER_ROTATION);

			return sensorState;

		} catch (SettingNotFoundException e) {

			e.printStackTrace();

		}

		return sensorState;

	}

	/**

	 * 推断屏幕旋转功能是否开启

	 */

	public static boolean isOpenSensor(Context context){

		boolean isOpen = false;

		if(getSensorState(context) == 1){

			isOpen = true;

		}else if(getSensorState(context) == 0){

			isOpen = false;

		}

		return isOpen;

	}

}