Thursday, July 14, 2016

android - How to play sound

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/coordinator_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#84967c"
    >
    <Button
        android:id="@+id/btn_play"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:text="Play Sound"
        />
</android.support.design.widget.CoordinatorLayout>
MainActivity.java

package com.cfsuman.me.androidcodesnippets;

import android.app.Activity;
import android.content.Context;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.support.design.widget.CoordinatorLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;


public class MainActivity extends AppCompatActivity {
    private Context mContext;
    private Activity mActivity;

    private CoordinatorLayout mCLayout;
    private Button mButtonPlay;

    private MediaPlayer mMediaPlayer;


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

        // Get the application context
        mContext = getApplicationContext();
        mActivity = MainActivity.this;

        // Get the widget reference from XML layout
        mCLayout = (CoordinatorLayout) findViewById(R.id.coordinator_layout);
        mButtonPlay = (Button) findViewById(R.id.btn_play);

        // Initialize the MediaPlayer instance
        mMediaPlayer = MediaPlayer.create(mContext, R.raw.stirring_tea);

        // Set the Media Player audio stream type
        mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);

        // Set a click listener for play button
        mButtonPlay.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                // Finally, play the sound
                mMediaPlayer.start();
            }
        });
    }
}