{"id":665,"date":"2011-07-08T09:53:03","date_gmt":"2011-07-08T01:53:03","guid":{"rendered":"http:\/\/leybreeze.com\/blog\/?p=665"},"modified":"2011-07-16T07:19:06","modified_gmt":"2011-07-15T23:19:06","slug":"%e8%a7%86%e9%a2%91%e5%92%8c%e9%9f%b3%e9%a2%91","status":"publish","type":"post","link":"http:\/\/leybreeze.com\/blog\/?p=665","title":{"rendered":"\u5a92\u4f53"},"content":{"rendered":"

Android\u5e73\u53f0\u4e3a\u591a\u79cd\u5e38\u89c1\u5a92\u4f53\u7c7b\u578b\u63d0\u4f9b\u4e86\u5185\u5efa\u7684\u7f16\u7801\/\u89e3\u7801\u652f\u6301\uff0c\u56e0\u800c\u53ef\u4ee5\u7b80\u5355\u5730\u5411\u7a0b\u5e8f\u6574\u5408\u97f3\u9891\u3001\u89c6\u9891\u548c\u56fe\u50cf\u3002\u8981\u4f7f\u7528\u5e73\u53f0\u7684\u5a92\u4f53\u529f\u80fd\u975e\u5e38\u7b80\u5355\u2014\u2014\u540c\u6837\u53ea\u9700\u4f7f\u7528\u610f\u56fe-\u6d3b\u52a8\u7684\u673a\u5236\uff0c\u4e4b\u540eAndroid\u4f1a\u5904\u7406\u5176\u4f59\u7684\u5de5\u4f5c\u3002<\/p>\n

Android\u53ef\u4ee5\u4ece\u591a\u79cd\u6570\u636e\u6e90\u7c7b\u578b\u4e2d\u64ad\u653e\u97f3\u9891\u548c\u89c6\u9891\u3002\u53ef\u4ee5\u64ad\u653e\u5b58\u50a8\u5728\u7a0b\u5e8f\u8d44\u6e90\uff08\u539f\u59cb\u8d44\u6e90 raw resource\uff09\u4e2d\u7684\u97f3\u9891\u6216\u89c6\u9891\u5a92\u4f53\u6587\u4ef6\uff0c\u53ef\u4ee5\u64ad\u653e\u6587\u4ef6\u7cfb\u7edf\u4e2d\u7684\u67d0\u4e00\u6587\u4ef6\uff0c\u53ef\u4ee5\u64ad\u653e\u7ecf\u7531\u7f51\u7edc\u7684\u6d41\u6570\u636e\u3002\u8981\u8ba9\u7a0b\u5e8f\u64ad\u653e\u89c6\u9891\u6216\u97f3\u9891\uff0c\u9700\u4f7f\u7528MediaPlayer\u7c7b\u3002<\/p>\n

\u5982\u679c\u79fb\u52a8\u8bbe\u5907\u786c\u4ef6\u652f\u6301\u7684\u8bdd\uff0c\u5e73\u53f0\u4e5f\u652f\u6301\u5f55\u5236\u97f3\u9891\u548c\u89c6\u9891\u3002\u8981\u5f55\u5236\u97f3\u9891\u6216\u89c6\u9891\uff0c\u9700\u4f7f\u7528MediaRecorder\u7c7b\u3002\u6ce8\u610f\uff0c\u6a21\u62df\u5668\u6ca1\u6709\u83b7\u53d6\u97f3\u9891\u6216\u89c6\u9891\u7684\u786c\u4ef6\uff0c\u4e0d\u8fc7\u5b9e\u9645\u7684\u79fb\u52a8\u8bbe\u5907\u901a\u5e38\u4f1a\u63d0\u4f9b\u8fd9\u4e9b\u652f\u6301\uff0c\u53ef\u4ee5\u901a\u8fc7MediaRecorder\u7c7b\u4f7f\u7528\u3002<\/p>\n

\u8981\u4e86\u89e3Android\u63d0\u4f9b\u5185\u5efa\u652f\u6301\u7684\u5a92\u4f53\u683c\u5f0f\u5217\u8868\uff0c\u53c2\u89c1\u9644\u5f55\u201cAndroid\u5a92\u4f53\u683c\u5f0f\u201d\u3002<\/p>\n

\u97f3\u9891\u548c\u89c6\u9891\u64ad\u653e<\/strong><\/h3>\n

\u53ef\u4ee5\u64ad\u653e\u4efb\u610f\u6765\u6e90\u7684\u5a92\u4f53\uff1a\u539f\u59cb\u8d44\u6e90\u3001\u7cfb\u7edf\u4e2d\u7684\u6587\u4ef6\u6216\u662f\u53ef\u7528\u7684\u7f51\u7edc\uff08URL\uff09\u3002<\/p>\n

\u4ec5\u53ef\u4ee5\u901a\u8fc7\u6807\u51c6\u8f93\u51fa\u8bbe\u5907\u64ad\u653e\u97f3\u9891\u6570\u636e\uff1b\u76ee\u524d\u6765\u8bf4\uff0c\u5c31\u662f\u81f3\u79fb\u52a8\u8bbe\u5907\u7684\u626c\u58f0\u5668\u6216\u662f\u84dd\u7259\u8033\u673a\u3002\u73b0\u5728\u4e0d\u80fd\u5728\u901a\u8bdd\u97f3\u9891\u4e2d\u64ad\u653e\u58f0\u97f3\u6587\u4ef6\u3002<\/p>\n

\u64ad\u653e\u539f\u59cb\u8d44\u6e90<\/strong><\/p>\n

\u6700\u4e3a\u5e38\u89c1\u7684\u9700\u6c42\u6216\u8bb8\u5c31\u662f\u4ece\u81ea\u6709\u7a0b\u5e8f\u4e2d\u64ad\u653e\u5a92\u4f53\uff08\u4e00\u822c\u662f\u58f0\u97f3\uff09\u4e86\u5427\u3002\u8fd9\u5f88\u5bb9\u6613\u505a\u5230\uff1a<\/p>\n

    \n
  1. \u5c06\u58f0\u97f3\uff08\u6216\u5176\u4ed6\u5a92\u4f53\u8d44\u6e90\uff09\u6587\u4ef6\u653e\u5165\u5de5\u7a0b\u7684res\/raw<\/span>\u6587\u4ef6\u5939\uff0cEclipse\u63d2\u4ef6\uff08\u6216aapt\uff09\u5c06\u4f1a\u53d1\u73b0\u5b83\u5e76\u5c06\u5176\u8bc6\u522b\u4e3aR\u7c7b\u53ef\u4ee5\u5f15\u7528\u7684\u8d44\u6e90\u3002<\/li>\n
  2. \u521b\u5efa\u4e00\u4e2aMediaPlayer<\/span>\u7684\u5b9e\u4f8b\uff0c\u7528MediaPlayer.create\u5f15\u7528\u8be5\u8d44\u6e90\uff0c\u4e4b\u540e\u8c03\u7528\u5b9e\u4f8b\u7684start()\u65b9\u6cd5\uff1a<\/li>\n<\/ol>\n
    \n
    \u00a0 MediaPlayer<\/span> mp = MediaPlayer<\/span>.create(context, R.raw.sound_file_1);<\/span>\r\n\u00a0 \u00a0 mp.start();<\/span><\/pre>\n<\/div>\n
    \u8981\u505c\u6b62\u64ad\u653e\uff0c\u8c03\u7528stop()\u3002\u5982\u679c\u5e0c\u671b\u4e4b\u540e\u91cd\u653e\u8be5\u5a92\u4f53\uff0c\u5c31\u5fc5\u987b\u5728\u518d\u6b21\u8c03\u7528start()\u4e4b\u524dreset()\u53caprepare()\u8be5MediaPlayer\u5bf9\u8c61\u3002\uff08create()\u5728\u7b2c\u4e00\u6b21\u4f7f\u7528\u65f6\u4f1a\u8c03\u7528prepare()<\/span>\u3002\uff09<\/p>\n
    \u8981\u6682\u505c\u64ad\u653e\uff0c\u8c03\u7528pause()\u3002\u5728\u60f3\u8981\u7ee7\u7eed\u64ad\u653e\u7684\u65f6\u5019\u8c03\u7528start()\u3002<\/p>\n
    \u64ad\u653e\u6587\u4ef6\u6216\u6d41<\/strong><\/p>\n
    \u53ef\u4ee5\u64ad\u653e\u50a8\u5b58\u4e8e\u6587\u4ef6\u7cfb\u7edf\u4e2d\u6216\u4f4d\u4e8e\u7f51\u7edcURL\u7684\u5a92\u4f53\u6587\u4ef6\uff1a<\/p>\n
      \n
    1. \u4f7f\u7528new<\/span>\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684MediaPlayer<\/span>\u5b9e\u4f8b<\/li>\n
    2. \u4ee5\u4e00\u4e2a\u5305\u542b\u4e86\u8981\u64ad\u653e\u7684\u6587\u4ef6\u7684\u8def\u5f84\uff08\u6587\u4ef6\u5730\u5740\u6216\u662fURL\uff09\u7684\u5b57\u7b26\u4e32\u8c03\u7528setDataSource()<\/li>\n
    3. \u9996\u5148prepare()\u4e4b\u540estart()\u8be5\u5b9e\u4f8b\uff1a<\/li>\n<\/ol>\n
      \n
       \u00a0 MediaPlayer<\/span> mp =<\/span> new<\/span> MediaPlayer<\/span>();<\/span>\r\n\u00a0 \u00a0mp.setDataSource(PATH_TO_FILE);<\/span>\r\n\u00a0 \u00a0 mp.prepare();<\/span>\r\n\u00a0 \u00a0 mp.start();<\/span><\/pre>\n<\/div>\n
      stop()\u548cpause()\u7684\u5de5\u4f5c\u65b9\u5f0f\u540c\u4e0a\u3002<\/p>\n
      \u6ce8\u610f<\/strong>\uff1a\u5f53\u5f15\u7528\u7684\u6587\u4ef6\u4e0d\u5b58\u5728\u65f6\uff0cIllegalArgumentException<\/span> \u548cIOException<\/span> \u53ef\u80fd\u4f1a\u5728\u4f7f\u7528setDataSource<\/span>()\u65f6\u88ab\u63a5\u6536\u6216\u4f20\u9012\u3002<\/p>\n
      \u6ce8\u610f<\/strong>\uff1a\u5982\u679c\u4f20\u9012\u7684\u662f\u5728\u7ebf\u5a92\u4f53\u6587\u4ef6\u7684URL\uff0c\u8be5\u6587\u4ef6\u5fc5\u987b\u53ef\u4ee5\u88ab\u9010\u6b65\u4e0b\u8f7d\u3002<\/p>\n
      \u64ad\u653eJET\u5185\u5bb9<\/strong><\/p>\n
      Android\u5e73\u53f0\u5305\u542b\u4e86\u4e00\u4e2aJET\u5f15\u64ce\uff0c\u5b83\u5141\u8bb8\u5728\u7a0b\u5e8f\u4e2d\u6dfb\u52a0\u4e0eJET\u97f3\u9891\u5185\u5bb9\u7684\u64ad\u653e\u63a7\u5236\u4ea4\u4e92\u3002\u53ef\u4ee5\u4f7f\u7528SDK\u9644\u5e26\u7684JetCreator\u6388\u6743\u7a0b\u5e8f\u521b\u5efaJET\u5185\u5bb9\u7684\u64ad\u653e\u63a7\u5236\u4ea4\u4e92\u3002\u8981\u5728\u7a0b\u5e8f\u4e2d\u64ad\u653e\u5e76\u7ba1\u7406JET\u5185\u5bb9\uff0c\u9700\u8981\u4f7f\u7528JetPlayer\u7c7b\u3002<\/p>\n
      \u5173\u4e8eJET\u7406\u5ff5\u7684\u63cf\u8ff0\u53ca\u4f7f\u7528JetCreator\u6388\u6743\u5de5\u5177\u7684\u4f7f\u7528\u8bf4\u660e\uff0c\u53c2\u89c1\u201cJetCreator\u7528\u6237\u624b\u518c\u201d\u3002\u8be5\u5de5\u5177\u5728OS X\u548cWindows\u5e73\u53f0\u4e0b\u5168\u529f\u80fd\u53ef\u7528\uff0c\u5728Linux\u4e0b\u6240\u6709\u7684\u5185\u5bb9\u521b\u5efa\u529f\u80fd\u4e5f\u90fd\u88ab\u652f\u6301\uff0c\u53ea\u662f\u8f93\u5165\u5185\u5bb9\u5ba1\u67e5\u529f\u80fd\u4e0d\u88ab\u652f\u6301\u3002<\/p>\n
      \u8fd9\u91cc\u6709\u4e00\u4e2a\u5982\u4f55\u4ece\u4e00\u4e2a\u50a8\u5b58\u4e8eSD\u5361\u7684.jet\u6587\u4ef6\u4e2d\u5efa\u7acbJET\u64ad\u653e\u7684\u4f8b\u5b50\uff1a<\/p>\n
      JetPlayer<\/span> myJet = JetPlayer<\/span>.getJetPlayer();<\/span>\r\nmyJet.loadJetFile(\"\/sdcard\/level1.jet\"<\/span>);<\/span>\r\nbyte<\/span> segmentId = 0;<\/span>\r\n\r\n\/\/ queue segment 5, repeat once, use General MIDI, transpose by -1 octave<\/span>\r\nmyJet.queueJetSegment(5<\/span>, -1<\/span>, 1<\/span>, -1<\/span>, 0<\/span>, segmentId++);<\/span>\r\n\/\/ queue segment 2<\/span>\r\nmyJet.queueJetSegment(2<\/span>, -1<\/span>, 0<\/span>, 0<\/span>, 0<\/span>, segmentId++);<\/span>\r\n\r\nmyJet.play();<\/span><\/pre>\n
      SDK\u5305\u542b\u4e86\u4e00\u4e2a\u7a0b\u5e8f\u8303\u4f8b\u2014\u2014JetBoy\u2014\u2014\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528JetPlayer\u521b\u5efa\u6e38\u620f\u4e2d\u7684\u97f3\u4e50\u97f3\u8f68\u64ad\u653e\u4ea4\u4e92\u3002\u5b83\u540c\u65f6\u4e5f\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528JET\u4e8b\u4ef6\u6765\u540c\u6b65\u97f3\u4e50\u64ad\u653e\u548c\u6e38\u620f\u903b\u8f91\u3002\u8be5\u7a0b\u5e8f\u4f4d\u4e8e<sdk>\/platforms\/android-1.5\/samples\/JetBoy<\/span>\u3002<\/p>\n
      \u97f3\u9891\u5f55\u5236<\/strong><\/h3>\n
      \u901a\u8fc7\u8bbe\u5907\u5f55\u5236\u97f3\u9891\u8981\u6bd4\u64ad\u653e\u97f3\u9891\/\u89c6\u9891\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\uff0c\u4e0d\u8fc7\u5176\u5b9e\u4e5f\u662f\u76f8\u5f53\u7b80\u5355\uff1a<\/p>\n
        \n
      1. \u4f7f\u7528new<\/span>\u6765\u521b\u5efaandroid.media.MediaRecorder\u7684\u4e00\u4e2a\u65b0\u7684\u5b9e\u4f8b<\/li>\n
      2. \u4f7f\u7528MediaRecorder.setAudioSource()\u6765\u8bbe\u7f6e\u97f3\u9891\u6e90\u3002\u901a\u5e38\u4f1a\u4f7f\u7528MediaRecorder.AudioSource.MIC<\/span><\/li>\n
      3. \u4f7f\u7528MediaRecorder.setOutputFormat()\u6765\u8bbe\u7f6e\u8f93\u51fa\u6587\u4ef6\u683c\u5f0f<\/li>\n
      4. \u4f7f\u7528MediaRecorder.setOutputFile()\u6765\u8bbe\u7f6e\u8f93\u51fa\u6587\u4ef6\u540d<\/li>\n
      5. \u4f7f\u7528MediaRecorder.setAudioEncoder()\u6765\u8bbe\u7f6e\u97f3\u9891\u7f16\u7801<\/li>\n
      6. \u5bf9MediaRecorder\u5b9e\u4f8b\u8c03\u7528MediaRecorder.prepare()<\/li>\n
      7. \u8c03\u7528MediaRecorder.start()\u4ee5\u5f00\u59cb\u97f3\u9891\u5f55\u5236<\/li>\n
      8. \u8c03\u7528MediaRecorder.stop()\u4ee5\u7ed3\u675f\u97f3\u9891\u5f55\u5236<\/li>\n
      9. \u5f53\u4e0d\u518d\u9700\u8981MediaRecorder\u5b9e\u4f8b\u65f6\uff0c\u5bf9\u5176\u8c03\u7528MediaRecorder.release()\u3002\u5efa\u8bae\u8c03\u7528MediaRecorder.release()\u6765\u7acb\u5373\u91ca\u653e\u8d44\u6e90<\/li>\n<\/ol>\n
        \u8303\u4f8b\uff1a\u5f55\u5236\u97f3\u9891\u5e76\u64ad\u653e\u5f55\u5236\u7684\u97f3\u9891<\/span><\/strong><\/div>\n
        \u4e0b\u9762\u7684\u8fd9\u4e2a\u8303\u4f8b\u7c7b\u6f14\u793a\u4e86\u5982\u4f55\u5efa\u7acb\u3001\u5f00\u59cb\u53ca\u7ec8\u6b62\u97f3\u9891\u5f55\u5236\uff0c\u4e4b\u540e\u64ad\u653e\u5f55\u5236\u7684\u97f3\u9891\u6587\u4ef6\u3002<\/p>\n
        \/*<\/span>\r\n\u00a0* The application needs to have the permission to write to external storage<\/span>\r\n\u00a0* if the output file is written to the external storage, and also the<\/span>\r\n\u00a0* permission to record audio. These permissions must be set in the<\/span>\r\n\u00a0* application's AndroidManifest.xml file, with something like:<\/span>\r\n\u00a0*<\/span>\r\n\u00a0* <uses-permission android:name=\"android.permission.WRITE_EXTERNAL_STORAGE\" \/><\/span>\r\n\u00a0* <uses-permission android:name=\"android.permission.RECORD_AUDIO\" \/><\/span>\r\n\u00a0*<\/span>\r\n\u00a0*\/<\/span>\r\npackage<\/span> com.android.audiorecordtest;<\/span>\r\n\r\nimport<\/span> android.app.Activity<\/span>;<\/span>\r\nimport<\/span> android.widget.LinearLayout<\/span>;<\/span>\r\nimport<\/span> android.os.Bundle<\/span>;<\/span>\r\nimport<\/span> android.os.Environment<\/span>;<\/span>\r\nimport<\/span> android.view.ViewGroup<\/span>;<\/span>\r\nimport<\/span> android.widget.Button<\/span>;<\/span>\r\nimport<\/span> android.view.View<\/span>;<\/span>\r\nimport<\/span> android.view.View.OnClickListener<\/span>;<\/span>\r\nimport<\/span> android.content.Context<\/span>;<\/span>\r\nimport<\/span> android.util.Log<\/span>;<\/span>\r\nimport<\/span> android.media.MediaRecorder<\/span>;<\/span>\r\nimport<\/span> android.media.MediaPlayer<\/span>;<\/span>\r\n\r\nimport<\/span> java.io.IOException<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> AudioRecordTest<\/span> extends<\/span> Activity<\/span><\/span>\r\n{<\/span>\r\n\u00a0 \u00a0 private static<\/span> final<\/span> String<\/span> LOG_TAG = \"AudioRecordTest\";<\/span>\r\n\u00a0 \u00a0 private<\/span> static<\/span> String<\/span> mFileName = null<\/span>;<\/span>\r\n\r\n\u00a0 \u00a0 private<\/span> RecordButton<\/span> mRecordButton = null<\/span>;<\/span>\r\n\u00a0 \u00a0 private<\/span> MediaRecorder<\/span> mRecorder = null<\/span>;<\/span>\r\n\r\n\u00a0 \u00a0 private<\/span> PlayButton \u00a0<\/span> mPlayButton = null<\/span>;<\/span>\r\n\u00a0 \u00a0 private<\/span> MediaPlayer \u00a0<\/span> mPlayer = null<\/span>;<\/span>\r\n\r\n\u00a0 \u00a0 private<\/span> void<\/span> onRecord(boolean<\/span> start) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 if<\/span> (start) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 startRecording();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 } else<\/span> {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 stopRecording();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 private<\/span> void<\/span> onPlay(boolean<\/span> start) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 if<\/span> (start) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 startPlaying();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 } else<\/span> {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 stopPlaying();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 private<\/span> void<\/span> startPlaying() {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mPlayer = new<\/span> MediaPlayer<\/span>();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 try<\/span> {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mPlayer.setDataSource(mFileName);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mPlayer.prepare();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mPlayer.start();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 } catch<\/span> (IOException<\/span> e) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Log<\/span>.e(LOG_TAG, \"prepare() failed\"<\/span>);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 private<\/span> void<\/span> stopPlaying() {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mPlayer.release();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mPlayer = null<\/span>;<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 private<\/span> void<\/span> startRecording() {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecorder = new<\/span> MediaRecorder<\/span>();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecorder.setAudioSource(MediaRecorder.AudioSource<\/span>.MIC);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecorder.setOutputFormat(MediaRecorder.OutputFormat<\/span>.THREE_GPP);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecorder.setOutputFile(mFileName);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder<\/span>.AMR_NB);<\/span>\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 try<\/span> {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mRecorder.prepare();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 } catch<\/span> (IOException<\/span> e) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Log<\/span>.e(LOG_TAG, \"prepare() failed\"<\/span>);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecorder.start();<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 private<\/span> void<\/span> stopRecording() {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecorder.stop();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecorder.release();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecorder = null<\/span>;<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 class<\/span> RecordButton<\/span> extends<\/span> Button<\/span> {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 boolean<\/span> mStartRecording = true<\/span>;<\/span>\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 OnClickListener<\/span> clicker = new<\/span> OnClickListener<\/span>() {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 public<\/span> void<\/span> onClick(View<\/span> v) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 onRecord(mStartRecording);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if<\/span> (mStartRecording) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 setText(\"Stop recording\");<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } else<\/span> {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 setText(\"Start recording\");<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mStartRecording = !mStartRecording;<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 };<\/span>\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 public<\/span> RecordButton<\/span>(Context<\/span> ctx) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 super<\/span>(ctx);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 setText(\"Start recording\"<\/span>);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 setOnClickListener(clicker);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 class<\/span> PlayButton<\/span> extends<\/span> Button<\/span> {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 boolean<\/span> mStartPlaying = true<\/span>;<\/span>\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 OnClickListener<\/span> clicker = new<\/span> OnClickListener<\/span>() {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 public<\/span> void<\/span> onClick(View<\/span> v) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 onPlay(mStartPlaying);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if<\/span> (mStartPlaying) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 setText(\"Stop playing\"<\/span>);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } else<\/span> {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 setText(\"Start playing\"<\/span>);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mStartPlaying = !mStartPlaying;<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 };<\/span>\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 public<\/span> PlayButton<\/span>(Context<\/span> ctx) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 super<\/span>(ctx);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 setText(\"Start playing\"<\/span>);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 setOnClickListener(clicker);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 public<\/span> AudioRecordTest<\/span>() {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mFileName = Environment<\/span>.getExternalStorageDirectory().getAbsolutePath();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mFileName += \"\/audiorecordtest.3gp\"<\/span>;<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 @Override<\/span>\r\n\u00a0 \u00a0 public<\/span> void<\/span> onCreate(Bundle<\/span> icicle) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 super<\/span>.onCreate(icicle);<\/span>\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 LinearLayout<\/span> ll = new<\/span> LinearLayout<\/span>(this<\/span>);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mRecordButton = new<\/span> RecordButton<\/span>(this<\/span>);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 ll.addView(mRecordButton,<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 new<\/span> LinearLayout.LayoutParams<\/span>(<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ViewGroup.LayoutParams<\/span>.WRAP_CONTENT,<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ViewGroup.LayoutParams<\/span>.WRAP_CONTENT,<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0<\/span>));<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 mPlayButton = new<\/span> PlayButton<\/span>(this<\/span>);<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 ll.addView(mPlayButton,<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 new<\/span> LinearLayout.LayoutParams<\/span>(<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ViewGroup.LayoutParams<\/span>.WRAP_CONTENT,<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ViewGroup.LayoutParams<\/span>.WRAP_CONTENT,<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0<\/span>));<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 setContentView(ll);<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 @Override<\/span>\r\n\u00a0 \u00a0 public<\/span> void<\/span> onPause() {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 super<\/span>.onPause();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 if<\/span> (mRecorder != null<\/span>) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mRecorder.release();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mRecorder = null<\/span>;<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\r\n\u00a0 \u00a0 \u00a0 \u00a0 if<\/span> (mPlayer != null<\/span>) {<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mPlayer.release();<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 mPlayer = null<\/span>;<\/span>\r\n\u00a0 \u00a0 \u00a0 \u00a0 }<\/span>\r\n\u00a0 \u00a0 }<\/span>\r\n}<\/span><\/pre>\n
        \u672c\u9875\u90e8\u5206\u5185\u5bb9\u6839\u636eAndroid Open Source Project<\/a>\u521b\u4f5c\u5e76\u5171\u4eab\u7684\u5185\u5bb9\u4fee\u6539\uff0c\u5e76\u5728\u77e5\u8bc6\u5171\u4eab \u7f72\u540d2.5\u8bb8\u53ef\u534f\u8bae<\/a>\u4e2d\u6240\u8ff0\u6761\u6b3e\u7684\u9650\u5236\u4e0b\u4f7f\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        Android\u5e73\u53f0\u4e3a\u591a\u79cd\u5e38\u89c1\u5a92\u4f53\u7c7b\u578b\u63d0\u4f9b\u4e86\u5185\u5efa\u7684\u7f16\u7801\/\u89e3\u7801\u652f\u6301\uff0c\u56e0\u800c\u53ef\u4ee5\u7b80\u5355\u5730\u5411\u7a0b\u5e8f\u6574\u5408\u97f3\u9891\u3001\u89c6\u9891\u548c\u56fe\u50cf\u3002\u8981\u4f7f … \u7ee7\u7eed\u9605\u8bfb\u201c\u5a92\u4f53\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,10],"tags":[5,79,81,80],"_links":{"self":[{"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/665"}],"collection":[{"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=665"}],"version-history":[{"count":7,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/665\/revisions"}],"predecessor-version":[{"id":668,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/665\/revisions\/668"}],"wp:attachment":[{"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=665"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}