├── .classpath ├── .gitignore ├── .project ├── .settings └── org.eclipse.jdt.core.prefs ├── LICENSE ├── NOTICE ├── README.md ├── demo ├── .classpath ├── .project ├── .settings │ └── org.eclipse.jdt.core.prefs ├── AndroidManifest.xml ├── gen │ └── com │ │ └── skd │ │ └── androidrecordingtest │ │ └── BuildConfig.java ├── libs │ └── android-support-v4.jar ├── proguard-project.txt ├── project.properties ├── res │ ├── drawable-hdpi │ │ ├── ic_launcher.png │ │ └── ic_switch.jpg │ ├── drawable-mdpi │ │ └── ic_launcher.png │ ├── drawable-xhdpi │ │ └── ic_launcher.png │ ├── layout │ │ ├── audio_play.xml │ │ ├── audio_rec.xml │ │ ├── main.xml │ │ ├── video_play.xml │ │ └── video_rec.xml │ ├── values-sw600dp │ │ └── dimens.xml │ ├── values-sw720dp-land │ │ └── dimens.xml │ ├── values-v11 │ │ └── styles.xml │ ├── values-v14 │ │ └── styles.xml │ └── values │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml └── src │ └── com │ └── skd │ └── androidrecordingtest │ ├── AudioPlaybackActivity.java │ ├── AudioRecordingActivity.java │ ├── MainActivity.java │ ├── SizeAdapter.java │ ├── VideoPlaybackActivity.java │ ├── VideoRecordingActivity.java │ └── utils │ ├── NotificationUtils.java │ └── StorageUtils.java └── lib ├── .classpath ├── .project ├── .settings └── org.eclipse.jdt.core.prefs ├── AndroidManifest.xml ├── gen └── com │ └── skd │ └── androidrecording │ └── BuildConfig.java ├── libs ├── android-support-v4.jar └── simplesound-0.1.jar ├── proguard-project.txt ├── project.properties ├── res ├── drawable-hdpi │ └── ic_launcher.png ├── drawable-mdpi │ └── ic_launcher.png ├── drawable-xhdpi │ └── ic_launcher.png ├── values-v11 │ └── styles.xml ├── values-v14 │ └── styles.xml └── values │ ├── strings.xml │ └── styles.xml └── src └── com └── skd └── androidrecording ├── audio ├── AudioPlaybackManager.java ├── AudioRecordingHandler.java └── AudioRecordingThread.java ├── fft ├── Complex.java └── FFT.java ├── video ├── AdaptiveSurfaceView.java ├── CameraHelper.java ├── CameraManager.java ├── MediaPlayerManager.java ├── MediaRecorderManager.java ├── PlaybackHandler.java ├── VideoPlaybackManager.java ├── VideoRecordingHandler.java └── VideoRecordingManager.java └── visualizer ├── AudioData.java ├── FFTData.java ├── VisualizerView.java └── renderer ├── BarGraphRenderer.java └── Renderer.java /.classpath: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | bin/ 2 | Thumbs.db 3 | R.java 4 | -------------------------------------------------------------------------------- /.project: -------------------------------------------------------------------------------- 1 | 2 | 3 | AndroidRecording 4 | 5 | 6 | 7 | 8 | 9 | com.android.ide.eclipse.adt.ResourceManagerBuilder 10 | 11 | 12 | 13 | 14 | com.android.ide.eclipse.adt.PreCompilerBuilder 15 | 16 | 17 | 18 | 19 | org.eclipse.jdt.core.javabuilder 20 | 21 | 22 | 23 | 24 | com.android.ide.eclipse.adt.ApkBuilder 25 | 26 | 27 | 28 | 29 | 30 | com.android.ide.eclipse.adt.AndroidNature 31 | org.eclipse.jdt.core.javanature 32 | 33 | 34 | -------------------------------------------------------------------------------- /.settings/org.eclipse.jdt.core.prefs: -------------------------------------------------------------------------------- 1 | eclipse.preferences.version=1 2 | org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6 3 | org.eclipse.jdt.core.compiler.compliance=1.6 4 | org.eclipse.jdt.core.compiler.source=1.6 5 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /NOTICE: -------------------------------------------------------------------------------- 1 | AndroidRecording 2 | Copyright (C) 2013 Steelkiwi Development, Julia Zudikova 3 | 4 | This software contains code derived from Android-Visualizer project licensed under the Mit license http://opensource.org/licenses/mit-license.php and available from https://github.com/felixpalmer/android-visualizer. 5 | 6 | This software contains code from the "Get frequency wav audio using FFT and Complex class" post discussed at http://stackoverflow.com/questions/17429407/get-frequency-wav-audio-using-fft-and-complex-class. 7 | 8 | This software contains code from the "Recording .Wav with Android AudioRecorder" post discussed at http://stackoverflow.com/questions/17192256/recording-wav-with-android-audiorecorder and from Simplesound project available from https://code.google.com/p/simplesound/. 9 | 10 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Android Recording Library 2 | ======================================= 3 | 4 | Android Recording library offers convenient tools for audio/video recording and playback. 5 | 6 | For audio it uses: 7 | * AudioRecord to capture and save audio signal from microphone 8 | * MediaPlayer with MediaController to play recorded audio 9 | * custom Visualizer (like bar chart) to represent audio signal on screen while recording and during playback 10 | 11 | For video it uses: 12 | * Camera and MediaRecorder to record a video of specified resolution 13 | * MediaPlayer with MediaController to play recorded video 14 | * custom SurfaceView with adjustable size to properly display Camera preview and recorded video (in portrait and landscape modes) 15 | 16 | Record audio: how to use 17 | ------------------------ 18 | 19 | 1. Setup VisualizerView 20 | 21 | ```xml 22 | 26 | 27 | ``` 28 | 29 | ```java 30 | visualizerView = (VisualizerView) findViewById(R.id.visualizerView); 31 | setupVisualizer(); 32 | 33 | ... 34 | 35 | private void setupVisualizer() { 36 | Paint paint = new Paint(); 37 | paint.setStrokeWidth(5f); //set bar width 38 | paint.setAntiAlias(true); 39 | paint.setColor(Color.argb(200, 227, 69, 53)); //set bar color 40 | BarGraphRenderer barGraphRendererBottom = new BarGraphRenderer(2, paint, false); 41 | visualizerView.addRenderer(barGraphRendererBottom); 42 | } 43 | ``` 44 | 45 | 2. Start recording thread 46 | 47 | ```java 48 | private void startRecording() { 49 | recordingThread = new AudioRecordingThread(fileName, new AudioRecordingHandler() { //pass file name where to store the recorded audio 50 | @Override 51 | public void onFftDataCapture(final byte[] bytes) { 52 | runOnUiThread(new Runnable() { 53 | public void run() { 54 | if (visualizerView != null) { 55 | visualizerView.updateVisualizerFFT(bytes); //update VisualizerView with new audio portion 56 | } 57 | } 58 | }); 59 | } 60 | 61 | @Override 62 | public void onRecordSuccess() {} 63 | 64 | @Override 65 | public void onRecordingError() {} 66 | 67 | @Override 68 | public void onRecordSaveError() {} 69 | }); 70 | recordingThread.start(); 71 | } 72 | ``` 73 | 74 | 3. When done, stop recording 75 | 76 | ```java 77 | private void stopRecording() { 78 | if (recordingThread != null) { 79 | recordingThread.stopRecording(); 80 | recordingThread = null; 81 | } 82 | } 83 | ``` 84 | 85 | Play audio: how to use 86 | ------------------------ 87 | 88 | 1. Setup VisualizerView 89 | 90 | 2. Setup AudioPlaybackManager. It will attach MediaPlayer to a VisualizerView 91 | 92 | ```java 93 | playbackManager = new AudioPlaybackManager(this, visualizerView, playbackHandler); 94 | playbackManager.setupPlayback(fileName); //pass file name of the recorded audio 95 | ``` 96 | 97 | 3. Use onscreen MediaController to play/pause/stop/rewind audio 98 | 99 | 100 | Record video: how to use 101 | ------------------------ 102 | 103 | 1. Setup custom SurfaceView (AdaptiveSurfaceView) 104 | 105 | ```xml 106 | 110 | ``` 111 | 112 | 2. Setup RecordingManager 113 | 114 | ```java 115 | videoView = (AdaptiveSurfaceView) findViewById(R.id.videoView); 116 | recordingManager = new VideoRecordingManager(videoView, recordingHandler); //pass reference to custom SurfaceView 117 | ``` 118 | 119 | 3. Choose desired video resolution and pass it to RecordingManager, it will adjust size of AdaptiveSurfaceView to properly display Camera output 120 | 121 | ```java 122 | recordingManager.setPreviewSize(videoSize); 123 | ``` 124 | 125 | 4. To start recording use 126 | 127 | ```java 128 | recordingManager.startRecording(fileName, videoSize) 129 | ``` 130 | 131 | 5. To stop recording use 132 | 133 | ```java 134 | recordingManager.stopRecording() 135 | ``` 136 | 137 | Play video: how to use 138 | ------------------------ 139 | 140 | 1. Setup custom SurfaceView (AdaptiveSurfaceView) 141 | 142 | 2. Setup VideoPlaybackManager. It will attach MediaPlayer to a VisualizerView 143 | 144 | ```java 145 | playbackManager = new VideoPlaybackManager(this, videoView, playbackHandler); 146 | playbackManager.setupPlayback(fileName); //pass file name of the recorded video 147 | ``` 148 | 149 | 3. Use onscreen MediaController to play/pause/stop/rewind video 150 | 151 | 152 | ==================================== 153 | 154 | For more details, please, see the demo project. 155 | -------------------------------------------------------------------------------- /demo/.classpath: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /demo/.project: -------------------------------------------------------------------------------- 1 | 2 | 3 | AndroidRecording-test 4 | 5 | 6 | 7 | 8 | 9 | com.android.ide.eclipse.adt.ResourceManagerBuilder 10 | 11 | 12 | 13 | 14 | com.android.ide.eclipse.adt.PreCompilerBuilder 15 | 16 | 17 | 18 | 19 | org.eclipse.jdt.core.javabuilder 20 | 21 | 22 | 23 | 24 | com.android.ide.eclipse.adt.ApkBuilder 25 | 26 | 27 | 28 | 29 | 30 | com.android.ide.eclipse.adt.AndroidNature 31 | org.eclipse.jdt.core.javanature 32 | 33 | 34 | -------------------------------------------------------------------------------- /demo/.settings/org.eclipse.jdt.core.prefs: -------------------------------------------------------------------------------- 1 | eclipse.preferences.version=1 2 | org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6 3 | org.eclipse.jdt.core.compiler.compliance=1.6 4 | org.eclipse.jdt.core.compiler.source=1.6 5 | -------------------------------------------------------------------------------- /demo/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 25 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 39 | 40 | 43 | 44 | 48 | 49 | 52 | 53 | 54 | 55 | -------------------------------------------------------------------------------- /demo/gen/com/skd/androidrecordingtest/BuildConfig.java: -------------------------------------------------------------------------------- 1 | /** Automatically generated file. DO NOT MODIFY */ 2 | package com.skd.androidrecordingtest; 3 | 4 | public final class BuildConfig { 5 | public final static boolean DEBUG = true; 6 | } -------------------------------------------------------------------------------- /demo/libs/android-support-v4.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/steelkiwi/AndroidRecording/4d7956c30dbd6b12e8477a1070773730fa31ed50/demo/libs/android-support-v4.jar -------------------------------------------------------------------------------- /demo/proguard-project.txt: -------------------------------------------------------------------------------- 1 | # To enable ProGuard in your project, edit project.properties 2 | # to define the proguard.config property as described in that file. 3 | # 4 | # Add project specific ProGuard rules here. 5 | # By default, the flags in this file are appended to flags specified 6 | # in ${sdk.dir}/tools/proguard/proguard-android.txt 7 | # You can edit the include path and order by changing the ProGuard 8 | # include property in project.properties. 9 | # 10 | # For more details, see 11 | # http://developer.android.com/guide/developing/tools/proguard.html 12 | 13 | # Add any project specific keep options here: 14 | 15 | # If your project uses WebView with JS, uncomment the following 16 | # and specify the fully qualified class name to the JavaScript interface 17 | # class: 18 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 19 | # public *; 20 | #} 21 | -------------------------------------------------------------------------------- /demo/project.properties: -------------------------------------------------------------------------------- 1 | # This file is automatically generated by Android Tools. 2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED! 3 | # 4 | # This file must be checked in Version Control Systems. 5 | # 6 | # To customize properties used by the Ant build system edit 7 | # "ant.properties", and override values to adapt the script to your 8 | # project structure. 9 | # 10 | # To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home): 11 | #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt 12 | 13 | # Project target. 14 | target=android-18 15 | android.library.reference.1=../lib 16 | -------------------------------------------------------------------------------- /demo/res/drawable-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/steelkiwi/AndroidRecording/4d7956c30dbd6b12e8477a1070773730fa31ed50/demo/res/drawable-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /demo/res/drawable-hdpi/ic_switch.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/steelkiwi/AndroidRecording/4d7956c30dbd6b12e8477a1070773730fa31ed50/demo/res/drawable-hdpi/ic_switch.jpg -------------------------------------------------------------------------------- /demo/res/drawable-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/steelkiwi/AndroidRecording/4d7956c30dbd6b12e8477a1070773730fa31ed50/demo/res/drawable-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /demo/res/drawable-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/steelkiwi/AndroidRecording/4d7956c30dbd6b12e8477a1070773730fa31ed50/demo/res/drawable-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /demo/res/layout/audio_play.xml: -------------------------------------------------------------------------------- 1 | 6 | 7 | 13 | 14 | 15 | -------------------------------------------------------------------------------- /demo/res/layout/audio_rec.xml: -------------------------------------------------------------------------------- 1 | 6 | 7 | 14 | 15 |