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android:layout_alignParentEnd="true"
android:onClick="onClick_Re1"/>
</RelativeLayout>

나. App 자바 소스
- MainActivity.java
package kr.icehs.intec.smart_elevator;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}

public void onClick_check_call(View v) // 현재 층수 확인 및 호출 화면(Check_Call) 이동
{
Intent intent_m1 = new Intent(getApplicationContext(),Check_Call.class);
startActivity(intent_m1);
}

public void onClick_cctv(View v) // CCTV 스트리밍 웹 이동
{
Intent intent_m2 = new Intent(Intent.ACTION_VIEW,
Uri.parse("http://192.168.0.81:8081/"));
startActivity(intent_m2);
}
}

- Check_call.java

package kr.icehs.intec.smart_elevator;

import android.app.ProgressDialog;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.os.AsyncTask;

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