package com.example.testemulator;

import java.io.BufferedReader;
import java.io.InputStreamReader;

import android.content.Context;
import android.content.Intent;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.telephony.TelephonyManager;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;


public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
     
        boolean isEmulator = isEmulator();
        TextView texta = (TextView)findViewById(R.id.a);
        if(isEmulator)
        {
            texta.setText("你是模擬器，逃不過我的法眼");
        }
        else {
            texta.setText("很好，你是真機");
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    //是否有光感測器
    private boolean hasLightSensorManager()
    {
        try{
            SensorManager sm = (SensorManager)this.getSystemService(SENSOR_SERVICE);
            Sensor lightSensor = sm.getDefaultSensor(Sensor.TYPE_LIGHT);
        if(null == lightSensor)
        {
            return false;
        }
        else {
            return true;
        }
        }
        catch(Exception ex)
        {
            
        }
        return false;
    }
    
    //讀取cpu資訊
    private String readCpuInfo()
    {
        String result = "";
        try{
            String[] args = {"/system/bin/cat","/proc/cpuinfo"};
            ProcessBuilder cmd = new ProcessBuilder(args);
            Process process = cmd.start();
            StringBuffer sb = new StringBuffer();
            String readLine = "";
            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
            while ((readLine = reader.readLine()) != null) {
                sb.append(readLine);
            }
            reader.close();
            result = sb.toString().toLowerCase();
        }
        catch(Exception ex)
        {
            
        }
        return result;
    }
    
    //判斷cpu是否是真機cpu
    private boolean checkIfIsPhoneCpu()
    {
        String cpuInfo = readCpuInfo();
        if(cpuInfo.contains("intel") || cpuInfo.contains("amd"))
        {
            return false;
        }
        return true;
    }
    
    //判斷是否是模擬器
    public boolean isEmulator() {
        String url = "tel:" + "123456";
        Intent intent = new Intent();
        intent.setData(Uri.parse(url));
        intent.setAction(Intent.ACTION_DIAL);
        // 是否可以處理跳轉到撥號的 Intent
        boolean canResolveIntent = intent.resolveActivity(this.getPackageManager()) != null;

        return Build.FINGERPRINT.startsWith("generic")
            || Build.FINGERPRINT.toLowerCase().contains("vbox")
            || Build.FINGERPRINT.toLowerCase().contains("test-keys")
            || Build.MODEL.contains("google_sdk")
            || Build.MODEL.contains("Emulator")
            || Build.SERIAL.equalsIgnoreCase("unknown")
            || Build.SERIAL.equalsIgnoreCase("android")
            || Build.MODEL.contains("Android SDK built for x86")
            || Build.MANUFACTURER.contains("Genymotion")
            || (Build.BRAND.startsWith("generic") && Build.DEVICE.startsWith("generic"))
            || "google_sdk".equals(Build.PRODUCT)
            || ((TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE))
                .getNetworkOperatorName().toLowerCase().equals("android")
            || !canResolveIntent
            || !hasLightSensorManager()
            || !checkIfIsPhoneCpu();
        }

}