package com.newland;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import com.android.internal.telephony.ITelephony;

import android.app.Service;
import android.content.Context;
import android.telecom.TelecomManager;
import android.telephony.TelephonyManager;
import android.util.Log;

public class PhoneUtils {
	/**
	 * 从TelephonyManager中实例化ITelephony，并返回
	 */
	static public ITelephony getITelephony(TelephonyManager telMgr)
			throws Exception {
		Method getITelephonyMethod = telMgr.getClass().getDeclaredMethod(
				"getITelephony");
		getITelephonyMethod.setAccessible(true);// 私有化函数也能使用
		return (ITelephony) getITelephonyMethod.invoke(telMgr);
	}

	public static int getSDKVersionNumber() {
		int sdkVersion;
		try {
			sdkVersion = Integer.valueOf(android.os.Build.VERSION.SDK_INT);
		} catch (NumberFormatException e) {
			sdkVersion = 0;
		}
		return sdkVersion;
	}
	
	//判断手机是否处于正在通话中
	public static boolean phoneIsInUse(Context context) {
		int sdkVer = getSDKVersionNumber();
		if(sdkVer >= 23) {
			return phoneIsInUse6_0(context);
		} else {
			return phoneIsInUse5_0(context);
		}
	}
	//Android如何判断手机是否处于正在通话中，Android 6.0之前（具体版本没追溯）用的方法（在Android 5.1上好用）
	public static boolean phoneIsInUse5_0(Context context) {
		boolean phoneInUse = false;
		TelephonyManager mTelephonyManager = (TelephonyManager)context.getSystemService(Service.TELEPHONY_SERVICE);
		Class<TelephonyManager> c = TelephonyManager.class;
		Method getITelephonyMethod = null;
		try {
			getITelephonyMethod = c.getDeclaredMethod("getITelephony",
			(Class[]) null);
			getITelephonyMethod.setAccessible(true);
			ITelephony iTelephony = (ITelephony) getITelephonyMethod.invoke(
			mTelephonyManager, (Object[]) null);
			phoneInUse = !iTelephony.isIdle();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return phoneInUse;
	}
	
	//Android 6.0之后用以上方法不好用了，遍寻源码及网上资料得已下方法（在Android 6.0上好用）：
	public static boolean phoneIsInUse6_0(Context context){
		TelecomManager tm = (TelecomManager)context.getSystemService(Context.TELECOM_SERVICE);
		return tm.isInCall();
	}

	static public void printAllInform(Class clsShow) {
		try {
			// 取得所有方法
			Method[] hideMethod = clsShow.getDeclaredMethods();
			int i = 0;
			for (; i < hideMethod.length; i++) {
				Log.e("method name", hideMethod[i].getName());
			}
			// 取得所有常量
			Field[] allFields = clsShow.getFields();
			for (i = 0; i < allFields.length; i++) {
				Log.e("Field name", allFields[i].getName());
			}
		} catch (SecurityException e) {
			// throw new RuntimeException(e.getMessage());
			e.printStackTrace();
		} catch (IllegalArgumentException e) {
			// throw new RuntimeException(e.getMessage());
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}