Multimedia

a.    Display still images as foreground and background graphics

b.    Implement local and streaming audio playback

c.    Implement local and streaming video playback

d.    Capture still images and video from the camera

e.    Retrieve images from the device’s photo gallery app


Validate

/*To validate above path check following

Prasads-MacBook-Pro:~ prasadkatankot$ adb shell

root@vbox86tp:/ # cd data/data

root@vbox86tp:/data/data # cd com.delhi/app_appdata

root@vbox86tp:/data/data/com.delhi/app_appdata # ls

Exercise - 1

Implement Local Streaming audio playback

Solution

function PlayLocalAudio(){

  Ti.API.info(Ti.Filesystem.getResourcesDirectory());

   //var mp3URL = Ti.Filesystem.getResourcesDirectory()+ 'music.mp3';

 var textDir = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory,'FileManipulations');

if (textDir.exists()) {

var mp3URL  = Ti.Filesystem.getFile(textDir.resolve(), 'magic.mp3');

}

//var mp3URL = Ti.Filesystem.getResourcesDirectory()+ 'music.mp3';

var audioPlayer = Ti.Media.createAudioPlayer({

    url : mp3URL

});

audioPlayer.start();

  }

Exercise - 2

Implement Remote Streaming audio playback

Solution

   function PlayRemoteAudio(){

  var audioStreamer = Ti.Media.createAudioPlayer({

url: 'http://www.tonycuffe.com/mp3/pipers%20hut.mp3'

});

 audioStreamer.start();

  }

Exercise - 3




 Implement local video playback

Solution

  function PlayLocalVideo(){

   var textDir = Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory,'FileManipulations');

if (textDir.exists()) {

var videoURL  = Ti.Filesystem.getFile(textDir.resolve(), 'Nature.mp4');

var videoStreamer = Titanium.Media.createVideoPlayer({

url:videoURL,

autoPlay:true,

mediaControlStyle:Titanium.Media.VIDEO_CONTROL_EMBEDDED

});

$.indexWindow.add(videoStreamer);

}

Exercise - 4

Implement remote streaming video playback

Solution

  function PlayRemoteVideo(){

var videoStreamer = Titanium.Media.createVideoPlayer({

url:'http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4',

autoPlay:true,

mediaControlStyle:Titanium.Media.VIDEO_CONTROL_EMBEDDED

});

$.indexWindow.add(videoStreamer);

}

Exercise - 5

Capture video from the camera

Solution

exports.retrieveVideo=function(videoPlayer, win){

var intent = Titanium.Android.createIntent({

        action : Ti.Android.ACTION_PICK,

        type : "video/*"

    });

    intent.addCategory(Ti.Android.CATEGORY_DEFAULT);

   

        win.activity.startActivityForResult(intent, function(e) {

        if (e.resultCode == Ti.Android.RESULT_OK) {

            if (e.intent.data != null) {

                // If everything went OK, save a reference to the video URI

                videoPlayer.visible=true;

                videoPlayer.url=e.intent.data;

        }

            else {

                Ti.API.error('Could not retrieve media URL!');

            }

        }

        else if (e.resultCode == Ti.Android.RESULT_CANCELED) {

            Ti.API.trace('User cancelled video capture session.');

        }

        else {

            Ti.API.error('Could not record video!');

        }

    });

};