refreshed sample app

Media/Audio/app/build.gradle

@@ -1,6 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 19
-    buildToolsVersion "21.1.2"
+    compileSdkVersion 24
+    buildToolsVersion "24.0.1"
+
+    defaultConfig {
+        minSdkVersion 15
+        targetSdkVersion 24
+        vectorDrawables.generatedDensities = ['hdpi','xxhdpi']
+    }
 }

Media/Audio/app/src/main/AndroidManifest.xml

@@ -1,13 +1,22 @@
 <?xml version="1.0"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.commonsware.android.audio" android:versionCode="1" android:versionName="1.0">
-
-  <uses-sdk android:minSdkVersion="3" android:targetSdkVersion="6"/>
-  <supports-screens android:largeScreens="false" android:normalScreens="true" android:smallScreens="false"/>
-  <application android:icon="@drawable/cw">
-    <activity android:label="AudioDemo" android:name=".AudioDemo">
+<manifest package="com.commonsware.android.audio"
+  xmlns:android="http://schemas.android.com/apk/res/android"
+  android:versionCode="1"
+  android:versionName="1.0">
+
+  <supports-screens
+    android:largeScreens="false"
+    android:normalScreens="true"
+    android:smallScreens="false" />
+  <application
+    android:allowBackup="false"
+    android:icon="@mipmap/ic_launcher"
+    android:label="@string/app_name"
+    android:theme="@style/Theme.Apptheme">
+    <activity android:name=".MainActivity">
       <intent-filter>
-        <action android:name="android.intent.action.MAIN"/>
-        <category android:name="android.intent.category.LAUNCHER"/>
+        <action android:name="android.intent.action.MAIN" />
+        <category android:name="android.intent.category.LAUNCHER" />
       </intent-filter>
     </activity>
   </application>

Media/Audio/app/src/main/java/com/commonsware/android/audio/MainActivity.java

@@ -0,0 +1,138 @@
+/***
+ * Copyright (c) 2008-2016 CommonsWare, LLC
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you
+ * may not
+ * use this file except in compliance with the License. You may
+ * obtain
+ * a copy
+ * of the License at http://www.apache.org/licenses/LICENSE-2.0.
+ * Unless required
+ * by applicable law or agreed to in writing, software distributed
+ * under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS
+ * OF ANY KIND, either express or implied. See the License for the
+ * specific
+ * language governing permissions and limitations under the License.
+ * <p/>
+ * From _The Busy Coder's Guide to Android Development_
+ * https://commonsware.com/Android
+ */
+
+package com.commonsware.android.audio;
+
+import android.app.Activity;
+import android.media.MediaPlayer;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.Toast;
+
+public class MainActivity extends Activity
+  implements MediaPlayer.OnCompletionListener {
+  private MenuItem play;
+  private MenuItem pause;
+  private MenuItem stop;
+  private MediaPlayer mp;
+
+  @Override
+  public void onCreate(Bundle icicle) {
+    super.onCreate(icicle);
+
+    try {
+      mp=MediaPlayer.create(this, R.raw.clip);
+      mp.setOnCompletionListener(this);
+    }
+    catch (Exception e) {
+      goBlooey(e);
+    }
+  }
+
+  @Override
+  public void onDestroy() {
+    super.onDestroy();
+
+    if (mp.isPlaying()) {
+      mp.stop();
+    }
+  }
+
+  @Override
+  public boolean onCreateOptionsMenu(Menu menu) {
+    getMenuInflater().inflate(R.menu.actions, menu);
+    play=menu.findItem(R.id.play);
+    pause=menu.findItem(R.id.pause);
+    stop=menu.findItem(R.id.stop);
+
+    return(super.onCreateOptionsMenu(menu));
+  }
+
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    switch (item.getItemId()) {
+      case R.id.play:
+        play();
+        return (true);
+
+      case R.id.pause:
+        pause();
+        return (true);
+
+      case R.id.stop:
+        stop();
+        return (true);
+    }
+
+    return(super.onOptionsItemSelected(item));
+  }
+
+  public void onCompletion(MediaPlayer mp) {
+    stop();
+  }
+
+  private void play() {
+    mp.start();
+
+    play.setVisible(false);
+    pause.setVisible(true);
+    stop.setVisible(true);
+  }
+
+  private void stop() {
+    mp.stop();
+    pause.setVisible(false);
+    stop.setVisible(false);
+
+    findViewById(android.R.id.content).postDelayed(new Runnable() {
+      @Override
+      public void run() {
+        try {
+          mp.prepare();
+          mp.seekTo(0);
+          play.setVisible(true);
+        }
+        catch (Exception e) {
+          goBlooey(e);
+        }
+      }
+    }, 100);
+  }
+
+  private void pause() {
+    mp.pause();
+
+    play.setVisible(true);
+    pause.setVisible(false);
+    stop.setVisible(true);
+  }
+
+  private void goBlooey(Exception e) {
+    Log.e(getClass().getSimpleName(), getString(R.string.msg_error),
+      e);
+    Toast
+      .makeText(this, R.string.msg_error_toast, Toast.LENGTH_LONG)
+      .show();
+  }
+}

Media/Audio/app/src/main/res/drawable/ic_pause.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M6,19h4L10,5L6,5v14zM14,5v14h4L18,5h-4z"/>
+</vector>

Media/Audio/app/src/main/res/drawable/ic_play_arrow.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M8,5v14l11,-7z"/>
+</vector>

Media/Audio/app/src/main/res/drawable/ic_stop.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M6,6h12v12H6z"/>
+</vector>