안드로이드 스튜디오 : 앱 프로그래밍 방과후 Chapter 6_3

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">



    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="원하는 걸 입력해봐요!"
        android:textSize="25dp"
        android:onClick="onClick_1"
        android:id="@+id/editText"
        android:imeOptions="actionSend"
        android:inputType="textEmailAddress"/>

</RelativeLayout>

package kr.hs.dsm.appb.ch_6_3;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.Editable;
import android.view.KeyEvent;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    EditText editText;

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

        editText = (EditText)findViewById(R.id.editText);

    }

    public void onClick_1(View v){

        Editable str = editText.getText();
        Toast.makeText(getApplicationContext(), str, Toast.LENGTH_SHORT).show();

    }

}