Android Toast 토스트,스낵바 그리고 대화상자 사용하기

package com.example.sampletoast1;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;

public class MainActivity extends AppCompatActivity {
    @BindView(R.id.editText)
    EditText editText;
    @BindView(R.id.editText2)
    EditText editText2;
    @BindView(R.id.button)
    Button button;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.bind(this);

    }
    @OnClick({R.id.button})
    public void onClick(View v){
        try{
            Toast toastView=Toast.makeText(this,"위치가 바뀐 토스트 메시지입니다.",Toast.LENGTH_LONG);
            int xOffset=Integer.parseInt(editText.getText().toString());
            int yOffset=Integer.parseInt(editText2.getText().toString());

            toastView.setGravity(Gravity.TOP|Gravity.TOP,xOffset,yOffset);
            toastView.show();
        }catch (NumberFormatException e){
            e.printStackTrace();
        }
    }
    @OnClick({R.id.button2})
    public void onClick2(View v){
        LayoutInflater inflater=getLayoutInflater();

        View layout=inflater.inflate(
                R.layout.toastborder,(ViewGroup)findViewById(R.id.toast_rayout_root));
        TextView text=layout.findViewById(R.id.text);
        Toast toast=new Toast(this);
        text.setText("모양 바꾼 텍스트");
        toast.setGravity(Gravity.CENTER,0,-100);
        toast.setDuration(Toast.LENGTH_LONG);
        toast.setView(layout);
        toast.show();
    }
@OnClick({R.id.button3})
public void onClick3(View v){
    Snackbar.make(v,"스낵바입니다",Snackbar.LENGTH_LONG).show();
}
}

Activity

<?xml version="1.0" encoding="UTF-8" ?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle"
    >
    <stroke
        android:width="4dp"
        android:color="#ffffff00"
        />

    <solid
        android:color="#ff883300"
        />

    <padding
        android:left="20dp"
        android:top="20dp"
        android:right="20dp"
        android:bottom="20dp"
        />

    <corners
        android:radius="15dp"
        />

</shape>

toast.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/toast_rayout_root"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:padding="10dp"
    >
    <TextView
        android:id="@+id/text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:padding="20dp"
        android:textSize="32sp"
        android:background="@drawable/toast"/>

</LinearLayout>

toastborder.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        >
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">
            <EditText
                android:id="@+id/editText"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textSize="20sp"
                android:hint="X 위치"
                android:inputType="numberSigned"
                />
            <EditText
                android:id="@+id/editText2"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:textSize="20sp"
                android:hint="Y 위치"
                android:inputType="numberSigned"/>
            <Button
                android:id="@+id/button"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="띄우기"
                android:textSize="20sp"
                />
        </LinearLayout>
        <Button
            android:id="@+id/button2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="모양 바꿔 띄우기"

            />
        <Button
            android:id="@+id/button3"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="스낵바 사용"/>
    </LinearLayout>
</android.support.constraint.ConstraintLayout>

activity_main.xml