CheckState_interface.java

package com.jqmobile.core.android.lbs.base;


import android.content.Context;
import android.hardware.Camera;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;
import android.util.Log;

public class CheckState_interface {

	private  Context context;
	private  LocationManager locMgr;
	
	public CheckState_interface(Context context){
		this.context = context;
	}
	
	/**
	 * 检测网络状况
	 * @return
	 */
	public boolean checkConnection() {
		boolean netState = false;//网络连接失败！
		@SuppressWarnings("static-access")
		ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
		NetworkInfo networkinfo = connectivityManager.getActiveNetworkInfo();
		Log.i("NET", "网络监测：" + (connectivityManager == null) + ","+ (networkinfo == null));
		if (connectivityManager != null && networkinfo != null) {
			netState = true;//当前网络可用
			//new Toast(Context.this).makeText(context.this, "检查到没有可用的网络,请打开网络连接！",
			//		Toast.LENGTH_LONG).show();
		}
		return netState;
	}
	
	/**
	 * 检查GPS状态
	 */
	public int checkGpState() {

		int gpsResult = 0;//0、未打开1、已打开
		//部分手机在调用GPS时有问题，故做异常处理。例：酷派
		try {
			locMgr = (LocationManager) context
					.getSystemService(Context.LOCATION_SERVICE);
			if (!locMgr.isProviderEnabled(android.location.LocationManager.GPS_PROVIDER)) {
				gpsResult = 0;
			}
			if (locMgr.isProviderEnabled(android.location.LocationManager.GPS_PROVIDER)) {
				gpsResult = 1;
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return gpsResult;
	}
	
	/**
	 * 检查SIM卡是否可用
	 */
	public int checkSimState() {
		int simResult = 0;//0、SIM卡不可用1、无法读取SIM卡状态2、SIM卡可用
		TelephonyManager telPhoneMgr = (TelephonyManager) context
				.getSystemService(Context.TELEPHONY_SERVICE); // 检查Sim卡状态 int
		int simState = telPhoneMgr.getSimState();
		Log.i("SIM", String.valueOf(simState).toString());
		Log.i("SIM", "TelephonyManager.SIM_STATE_READY:"+TelephonyManager.SIM_STATE_READY);		
		Log.i("SIM", "TelephonyManager.SIM_STATE_ABSENT:"+TelephonyManager.SIM_STATE_ABSENT);
		final int sim_ready = TelephonyManager.SIM_STATE_READY;
		final int sim_absent = TelephonyManager.SIM_STATE_ABSENT;
		switch(simState){
		case sim_ready:
			//可用
			simResult = 0;
		    break;
		case sim_absent:
			//simStateAlter = "SIM卡未找到，请重新装入SIM卡，或者更换新卡！";
			simResult = 1;
			break;
		default:
			//simStateAlter = "读取SIM卡失败，请重新装入SIM卡，或者更换新卡！";
			simResult = 2;	
		}
		return simResult;
	}
	/**
	 * 检查相机是否可用
	 */
	public int checkCameraState() {
		int result = 1;//0、不可用1、可用
		Camera mCamera = null;
		try {
			mCamera = Camera.open();
			mCamera.release();
			mCamera = null;
		} catch (Exception e) {
			result = 0;
		}
		return result;
	}
}