Uri.parse("주소")
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
startActivity(intent);
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivity(intent);
Uri uri = Uri.parse("tel:01036504155");
Intent intent = new Intent(Intent.ACTION_DIAL,uri);
startActivity(intent);
Intent intent = new Intent(Intent.ACTION_CALL,uri);
if(ActivityCompat.checkSelfPermission(getApplicationContext(),
Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED){
ActivityCompat.requestPermissions(MainActivity.this,new String[]{Manifest.permission.CALL_PHONE},0);
return;
}
startActivity(intent);
package com.example.ex220510;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private Button btn_web, btn_camera, btn_dial, btn_call;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btn_web = findViewById(R.id.btn_web);
btn_camera = findViewById(R.id.btn_camera);
btn_dial = findViewById(R.id.btn_dial);
btn_call = findViewById(R.id.btn_call);
btn_web.setOnClickListener(this);
btn_camera.setOnClickListener(this);
btn_dial.setOnClickListener(this);
btn_call.setOnClickListener(this);
}
@Override
public void onClick(View view) {
if(view.getId()==R.id.btn_web){
Uri uri = Uri.parse("https://www.naver.com");
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
startActivity(intent);
} else if (view.getId() == R.id.btn_camera){
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivity(intent);
} else if (view.getId() == R.id.btn_dial){
Uri uri = Uri.parse("tel:000000000");
Intent intent = new Intent(Intent.ACTION_DIAL,uri);
startActivity(intent);
} else if (view.getId() == R.id.btn_call){
Uri uri = Uri.parse("tel:010-0000-0000");
Intent intent = new Intent(Intent.ACTION_CALL,uri);
//스스로 권한체크, 제대로 권한설정이 제대로안됐을때
if(ActivityCompat.checkSelfPermission(getApplicationContext(),
Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED){
ActivityCompat.requestPermissions(MainActivity.this,new String[]{Manifest.permission.CALL_PHONE},0);
return;
}
startActivity(intent);
}
}
}
getApplicationContext(), ActivityB.class
intent.putExtra("value", value);
=>값을 담을 때 키,밸류 형식startActivity(intent);
finish();
package com.example.ex220510;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class ActivityA extends AppCompatActivity {
private Button btn_moveB;
private EditText edit_input;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_a);
btn_moveB = findViewById(R.id.btn_moveB);
edit_input = findViewById(R.id.edit_input);
btn_moveB.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String value = edit_input.getText().toString();
Intent intent = new Intent(getApplicationContext(), ActivityB.class);
//현재 어플리케이션 정보, 이동시킬 클래스명
//Intent intent = new Intent(ActivityA.this);
intent.putExtra("value", value); //값을 담을 때, 키 밸류 형식으로
startActivity(intent);
finish();
//현재 액티비티 종료 - 뒤로가기시 전페이지 안나옴
}
});
}
}
Intent intent = getIntent();
String value = intent.getStringExtra("value");
tv_result.setText(value);
package com.example.ex220510;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
public class ActivityB extends AppCompatActivity {
private TextView tv_result;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_b);
tv_result = findViewById(R.id.tv_result);
// 인텐트안에 네임 값을 가져옴
Intent intent = getIntent();
String value = intent.getStringExtra("value");
tv_result.setText(value);
}
}