[Java] BottomSheetDialog

build.gradle (Module: app)

dependencies { 
	implementation 'com.google.android.material:material:1.1.0' 
}

 

BottomSheetDialog 는 머티리얼 디자인이므로 의존성 추가

 

 

 

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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">

    <Button
        android:id="@+id/btnClick"
        android:layout_width="200dp"
        android:layout_height="80dp"
        android:text="클릭"
        android:textSize="30dp"
        android:textColor="#FFFFFF"
        android:textStyle="bold"
        android:background="#FF7F00"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

activity_main.xml

 

 

 

 

 

 

bottom_sheet.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        android:gravity="center"
        android:padding="4dp"
        android:background="#FF7F00">

        <TextView
            android:layout_width="320dp"
            android:layout_height="160dp"
            android:text="혀가 길지 않은 개발자"
            android:textSize="28dp"
            android:textColor="#FFFFFF"
            android:textStyle="bold"
            android:gravity="center"
            android:layout_marginTop="10dp"
            android:layout_marginBottom="10dp"/>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            android:gravity="center"
            android:padding="20dp">

            <Button
                android:id="@+id/btnOK"
                android:layout_width="160dp"
                android:layout_height="wrap_content"
                android:text="확인"
                android:textSize="16dp"
                android:textStyle="italic|bold"
                android:textColor="#FF7F00"
                android:background="#FFFFFF" />

            <Button
                android:id="@+id/btnClose"
                android:layout_width="160dp"
                android:layout_height="wrap_content"
                android:text="닫기"
                android:textSize="16dp"
                android:textStyle="italic|bold"
                android:layout_marginLeft="8dp"
                android:textColor="#FF7F00"
                android:background="#FFFFFF" />

        </LinearLayout>

    </LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

bottom_sheet.xml

 

 

 

 

 

 

MainActivity.java

package com.jwsoft.javaproject;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import com.google.android.material.bottomsheet.BottomSheetDialog;

public class MainActivity extends AppCompatActivity {

    Button btnClick;
    Button btnOK;
    Button btnClose;

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

        btnClick = findViewById(R.id.btnClick);

        LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View view = inflater.inflate(R.layout.bottom_sheet, null, false);
        final BottomSheetDialog bottomSheetDialog = new BottomSheetDialog(getApplicationContext());
        bottomSheetDialog.setContentView(view);

        btnClick.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                bottomSheetDialog.show();
            }
        });

        btnOK = view.findViewById(R.id.btnOK);
        btnOK.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(getApplicationContext(), "확인", Toast.LENGTH_SHORT).show();
                bottomSheetDialog.dismiss();
            }
        });

        btnClose = view.findViewById(R.id.btnClose);
        btnClose.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(getApplicationContext(), "닫기", Toast.LENGTH_SHORT).show();
                bottomSheetDialog.dismiss();
            }
        });

    }
}

 

val bottomSheetDialog = BottomSheetDialog(applicationContext)   -> 실행 후 버튼 클릭 시 에러 발생.

 

 

 

 

 

 

 

MainActivity.java

package com.jwsoft.javaproject;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import com.google.android.material.bottomsheet.BottomSheetDialog;

public class MainActivity extends AppCompatActivity {

    Button btnClick;
    Button btnOK;
    Button btnClose;

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

        btnClick = findViewById(R.id.btnClick);

        LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        View view = inflater.inflate(R.layout.bottom_sheet, null, false);
        final BottomSheetDialog bottomSheetDialog = new BottomSheetDialog(this);
        bottomSheetDialog.setContentView(view);

        btnClick.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                bottomSheetDialog.show();
            }
        });

        btnOK = view.findViewById(R.id.btnOK);
        btnOK.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(getApplicationContext(), "확인", Toast.LENGTH_SHORT).show();
                bottomSheetDialog.dismiss();
            }
        });

        btnClose = view.findViewById(R.id.btnClose);
        btnClose.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(getApplicationContext(), "닫기", Toast.LENGTH_SHORT).show();
                bottomSheetDialog.dismiss();
            }
        });

    }
}

 

val bottomSheetDialog = BottomSheetDialog(this)   -> 실행 후 버튼 클릭 시 정상

실행 결과

 

버튼 클릭 후

 

확인 버튼 클릭 후

 

닫기 버튼 클릭 후