안드로이드 브라우저,전화,카메라,주소록 호출하기

package com.naver.sample02;

import android.content.Intent;
import android.net.Uri;
import android.provider.ContactsContract;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

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

        Button btn1=(Button)findViewById(R.id.btn1);
        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent  mint=new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.naver.com"));
                startActivity(mint);
            }
        });

        Button btn2=(Button)findViewById(R.id.btn2);
        btn2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent mint=new Intent(Intent.ACTION_VIEW,Uri.parse("content://media/internal/images/media"));
                startActivity(mint);
            }
        });

        Button btn3=(Button)findViewById(R.id.btn3);
        btn3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent mint=new Intent(Intent.ACTION_VIEW,Uri.parse("tel:/010-1234-1234"));
                startActivity(mint);
            }
        });

        Button btn4=(Button)findViewById(R.id.btn4);
        btn4.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                startActivity(intent);
                //액티비티를 시작시킨후 결과를 받는다.
                 //startActivityForResult(intent, 1);
            }
        });

        Button btn5=(Button)findViewById(R.id.btn5);
        btn5.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent();
                intent.setAction(Intent.ACTION_VIEW);
                intent.setData(ContactsContract.Contacts.CONTENT_URI);
                startActivity(intent);
            }
        });

    }
}