안드로이드 music player

한빛 미디어 안드로이드 프로그래밍정복을 학습하며 작성한 것임

정상적으로 동작하는 것은 1번 버튼만임.  낮은  apk버전에서만 정상독작함.

웹스트리밍은 웹은 잘되나 앱은 안됨

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package com.jstudio.music;

import android.annotation.SuppressLint;
import android.media.MediaParser;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;

import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.snackbar.Snackbar;
import com.jstudio.music.R;

import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;

import android.os.Environment;
import android.provider.MediaStore;
import android.view.View;

import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

import java.io.IOException;

public class MainActivity extends AppCompatActivity {

    MediaPlayer mPlayer;
    String mSdPath;

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

        mPlayer = MediaPlayer.create(this, R.raw.dingdong);
        mSdPath = Environment.getExternalStorageDirectory().getAbsolutePath();
    }



    @SuppressLint("NonConstantResourceId")
    public void mOnClick(View v){
        MediaPlayer player;
        switch(v.getId()){
            case R.id.btn1:
                player = MediaPlayer.create(this,R.raw.dingdong);
                player.start();
                break;
            case R.id.btn2:
                player = new MediaPlayer();
                try {
                    player.setDataSource(mSdPath +"/눈2.mp3");
                    player.prepare();
                    player.start();
                } catch (Exception e){
                    Toast.makeText(this,mSdPath,Toast.LENGTH_SHORT).show();
                }
                break;
            case R.id.btn3:
                player = new MediaPlayer();
                try {
                    Uri uri = Uri.parse("http://www.soen.kr/data/saemaul1.mp3");
                    player.setDataSource(this,uri);
                    player.prepare();
                    player.start();
                } catch (Exception e){
                    Toast.makeText(this, "error :"+e.getMessage(),Toast.LENGTH_SHORT).show();
                }
                break;
            case R.id.btn4:
                mPlayer.seekTo(0);
                mPlayer.start();
                break;
            case R.id.btn5:
                player = new MediaPlayer();
                try {
                    player.setDataSource(mSdPath +"/눈2.mp3");
                    player.start();
                } catch (Exception e){
                    Toast.makeText(this, "error :"+e.getMessage(),Toast.LENGTH_SHORT).show();
                }
                break;
            case R.id.btn6:
                player = MediaPlayer.create(this, R.raw.dingdong);
                try {
                    player.setDataSource(mSdPath +"/eagles5.mp3");
                    player.prepare();
                    player.start();
                } catch (IllegalArgumentException e){
                    Toast.makeText(this, "IllegalArgumentException :"+e.getMessage(),Toast.LENGTH_SHORT).show();
                } catch (IllegalStateException e){
                    Toast.makeText(this, "IllegalStateException :"+e.getMessage(),Toast.LENGTH_SHORT).show();
                } catch (IOException e){
                    Toast.makeText(this, "IOException :"+e.getMessage(),Toast.LENGTH_SHORT).show();
                }
                break;

        }

    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if(mPlayer !=null){
            mPlayer.release();
            mPlayer = null;
        }
    }
}

 

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<?xml version="1.0" encoding="utf-8"?>
<androidx.appcompat.widget.LinearLayoutCompat 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"
    android:orientation="vertical"
    >

    <Button
        android:id="@+id/btn1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="mOnClick"
        android:text="리소스 재생"
        />
    <Button
        android:id="@+id/btn2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="mOnClick"
        android:text="파일 재생"
        />
    <Button
        android:id="@+id/btn3"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="mOnClick"
        android:text="스트림 재생"
        />
    <Button
        android:id="@+id/btn4"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="mOnClick"
        android:text="객체로 선언 후 재생"
        />
    <Button
        android:id="@+id/btn5"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="mOnClick"
        android:text="준비안된 상태에서 재생"
        />
    <Button
        android:id="@+id/btn6"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="mOnClick"
        android:text="다른 파일 열기"
        />

</androidx.appcompat.widget.LinearLayoutCompat>