随笔分类 -  android多媒体部分

android 多媒体部分学习笔记十五-----视频录制
摘要：/*** 调用系统视频录制** @time 下午05:15:41* @author retacn yue* @Email zhenhuayue@sina.com*/@SuppressWarnings("unused")public class VideoCaptureActivity extends Activity implements OnClickListener {private static final int VIDEO_CAPTURE = 0;Button btn_play, btn_capture;VideoView videoView;private Ur 阅读全文
posted @ 2012-09-12 15:02 retacn_yue 阅读(168) 评论(0) 推荐(0)
android 多媒体部分学习十四---网络视频播放(http/rtsp)
摘要：/*** 网络视频播放** openCore** stagefright** @time 下午05:15:41* @author retacn yue* @Email zhenhuayue@sina.com*/@SuppressWarnings("unused")public class StreamVideoActivity extends Activity implements //SurfaceHolder.Callback, //OnErrorListener,//OnCompletionListener,//OnInfoListener,//OnPreparedL 阅读全文
posted @ 2012-09-12 14:36 retacn_yue 阅读(1191) 评论(0) 推荐(0)
android 多媒体部分学习笔记十三----mediaStore 检索视频
摘要：/*** mediaStore检索视频** @time 下午05:15:41* @author retacn yue* @Email zhenhuayue@sina.com*/public class VideoGalleyActivity extends Activity implements OnClickListener, OnItemClickListener {private ListView listView;private Cursor cursor;/*** 视频文件信息*/class VideoViewInfo {String filePath;String mimeType 阅读全文
posted @ 2012-09-12 00:12 retacn_yue 阅读(448) 评论(0) 推荐(0)
android 多媒体部分学习笔记十二----mediaplay自定义播放器
摘要：/**** 自定义播放器** @time 下午05:15:41* @author retacn yue* @Email zhenhuayue@sina.com*/public class CustomVidoePlayActivity extends Activity implements Callback,//OnCompletionListener,//OnErrorListener, //OnInfoListener, //OnPreparedListener, //OnSeekCompleteListener,//OnVideoSizeChangedListener,//MediaPl 阅读全文
posted @ 2012-09-10 22:31 retacn_yue 阅读(345) 评论(0) 推荐(0)
android 多媒体部分学习笔记十--简单视频播放
摘要：/*** 简单播放** @time 下午05:15:41* @author retacn yue* @Email zhenhuayue@sina.com*/public class VideoViewDemoActivity extends Activity implements OnClickListener, MediaPlayerControl {private VideoView videoView;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);s 阅读全文
posted @ 2012-09-10 17:53 retacn_yue 阅读(153) 评论(0) 推荐(0)
android 多媒体部分学习笔记十 可视化频率(频谱)
摘要：/*** 可视化频率** @time 下午12:00:21* @author retacn yue* @Email zhenhuayue@sina.com*/public class AudioProcessingActivity extends Activity implements OnClickListener {private Button btn_start_stop;private ImageView img_frequency;private Bitmap bitmap;private Canvas canvas;private Paint paint;private Audio 阅读全文
posted @ 2012-09-09 23:43 retacn_yue 阅读(2579) 评论(0) 推荐(0)
android 多媒体部分学习笔记九----数字音频合成
摘要：/*** 数字音频合成** @time 下午12:00:21* @author retacn yue* @Email zhenhuayue@sina.com*/public class Audio_synthesisActivity extends Activity implements OnClickListener {private Button btn_start, btn_stop;private boolean keepGoing = false;private AudioSynthesisTask synthesisTask;@Overridepublic void onCreat 阅读全文
posted @ 2012-09-09 12:43 retacn_yue 阅读(2796) 评论(0) 推荐(0)
android多媒体部分学习笔记八------音频录制 mediaRecorder
摘要：/*** 原始音频的播放和录制** audio** audioTrack*** @time 下午12:58:03* @author retacn yue* @Email zhenhuayue@sina.com*/@SuppressWarnings("static-access")public class AltAudioRecorderActivity extends Activity implements OnCompletionListener, OnClickListener {private Button btn_stop_play, btn_start_play, 阅读全文
posted @ 2012-09-08 16:14 retacn_yue 阅读(212) 评论(0) 推荐(0)
android多媒体部分学习笔记七------音频录制 mediaRecorder
摘要：/*** 自定义捕获音频** @time 下午12:58:03* @author retacn yue* @Email zhenhuayue@sina.com*/@SuppressWarnings("unused")public class CustomRecorderActivity extends Activity implements OnCompletionListener, OnClickListener {private Button btn_finish, btn_play, btn_start_record, btn_stop_record;private 阅读全文
posted @ 2012-09-08 16:13 retacn_yue 阅读(296) 评论(0) 推荐(0)
android多媒体部分学习笔记六----音频录制 mediaRecorder
摘要：/**** 使用意图捕获音频** @time 下午12:58:03* @author retacn yue* @Email zhenhuayue@sina.com*/public class MediaRecorderDemoActivity extends Activity implements OnCompletionListener, OnClickListener {private static final int RECORD_REQUEST = 0;private Button btn_play, btn_record;private Uri audioFileUri;@Overr 阅读全文
posted @ 2012-09-08 16:12 retacn_yue 阅读(148) 评论(0) 推荐(0)
android多媒体部分学习笔记五----audio
摘要：/*** 打开内置音乐播放器*/private void getAudio() {Intent intent = new Intent(Intent.ACTION_VIEW);File sdcard = Environment.getExternalStorageDirectory();File audioFile = new File(sdcard.getPath() + "/music/young_for_you.mp3");intent.setDataAndType(Uri.fromFile(audioFile), "audio/mp3");sta 阅读全文
posted @ 2012-09-08 16:08 retacn_yue 阅读(169) 评论(0) 推荐(0)
android多媒体部分学习笔记四___ Matrix
摘要：/*** 图像的缩放和旋转 Matrix** 1 0 0 x=1x+0y+0z** 0 1 0 y=0x+1y+0z** 0 0 1 z=0x+0y+1z*******/private void matrixTest() {Matrix matrix = new Matrix();matrix.setValues(new float[] { //1, 0, 0,//0, 1, 0,//0, 0, 1 });//// Matrix类的常用方法：旋转// matrix.setRotate(15);// 根据图片中心点进行旋转matrix.setRotate(15, bitmap.getWidth( 阅读全文
posted @ 2012-09-05 11:40 retacn_yue 阅读(164) 评论(0) 推荐(0)
android多媒体学习笔记三___图像合成
摘要：/*** 图像合成** @time 下午06:21:22* @author retacn yue* @Email zhenhuayue@sina.com*/public class ChosePictureCompositeActivity extends Activity implements OnClickListener {public static final int PICKED_ONE = 0;public static final int PICKED_TWO = 1;private Button btn_choose_picture1;private Button btn_ch 阅读全文
posted @ 2012-09-05 11:36 retacn_yue 阅读(138) 评论(0) 推荐(0)
android多媒体学习笔记二
摘要：实现SurfaceHolder.Callback ,PictureCallback接口 预览service /*** 实例化按件*/private void findView() {cameraView = (SurfaceView) this.findViewById(R.id.sfv_camera_view);cameraView.setFocusable(true);cameraView.setFocusableInTouchMode(true);cameraView.setClickable(true);cameraView.setOnClickListener(this)... 阅读全文
posted @ 2012-09-04 10:53 retacn_yue 阅读(228) 评论(0) 推荐(0)
android多媒体学习笔记一
摘要：1 使用内置的camera应用程序捕获图像 /*** 拍摄一张照片保存到sd卡上*/private void takeAndSaveImage() {// 取得路径imageFilePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/myfavoritepicture.jpg";Log.i("tag", "sd card path:" + imageFilePath);File imageFile = new File(imageFilePath 阅读全文
posted @ 2012-09-04 10:47 retacn_yue 阅读(356) 评论(0) 推荐(0)