add duration of audio to callback.

Author: xwang

src/android/com/emj365/plugins/AudioRecorderAPI.java

@@ -4,6 +4,7 @@
 import org.apache.cordova.CordovaPlugin;
 import org.apache.cordova.PluginResult;
 import org.json.JSONArray;
+import org.json.JSONObject;
 import org.json.JSONException;
 import android.media.MediaRecorder;
 import android.media.MediaPlayer;
@@ -21,11 +22,12 @@ public class AudioRecorderAPI extends CordovaPlugin {
   private MediaRecorder myRecorder;
   private String outputFile;
   private CountDownTimer countDowntimer;
+  private Integer seconds;
+  private Integer duration;
 
   @Override
   public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) throws JSONException {
     Context context = cordova.getActivity().getApplicationContext();
-    Integer seconds;
     if (args.length() >= 1) {
       seconds = args.getInt(0);
     } else {
@@ -56,7 +58,9 @@ public void run() {
       }
 
       countDowntimer = new CountDownTimer(seconds * 1000, 1000) {
-        public void onTick(long millisUntilFinished) {}
+        public void onTick(long millisUntilFinished) {
+          duration = seconds - (int) millisUntilFinished / 1000;
+        }
         public void onFinish() {
           stopRecord(callbackContext);
         }
@@ -110,9 +114,18 @@ private void stopRecord(final CallbackContext callbackContext) {
     myRecorder.release();
     cordova.getThreadPool().execute(new Runnable() {
       public void run() {
-        callbackContext.success(outputFile);
+        try {
+          callbackContext.success(composeCallback());
+        } catch (JSONException e) {
+          callbackContext.error(e.getMessage());
+        }
       }
     });
   }
 
+  private JSONObject composeCallback() throws JSONException {
+    String json = "{ path: '" + outputFile + "', duration: " + duration + " }";
+    return new JSONObject(json);
+  }
+
 }

src/ios/AudioRecorderAPI.m

@@ -97,11 +97,13 @@ - (void)audioRecorderDidFinishRecording:(AVAudioRecorder *)recorder successfully
   NSURL *url = [NSURL fileURLWithPath: recorderFilePath];
   NSError *err = nil;
   NSData *audioData = [NSData dataWithContentsOfFile:[url path] options: 0 error:&err];
+  AVURLAsset* audioAsset = [AVURLAsset URLAssetWithURL:[NSURL fileURLWithPath:recorderFilePath] options:nil];
+  int audioDuration = CMTimeGetSeconds(audioAsset.duration);
   if(!audioData) {
     NSLog(@"audio data: %@ %d %@", [err domain], [err code], [[err userInfo] description]);
   } else {
-    NSLog(@"recording saved: %@", recorderFilePath);
-    pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsString:recorderFilePath];
+    NSLog(@"recording saved: %@ %d", recorderFilePath, audioDuration);
+    pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:@{@"path": recorderFilePath, @"duration": [NSNumber numberWithInt:audioDuration]}];
     [self.commandDelegate sendPluginResult:pluginResult callbackId:_command.callbackId];
   }
 }