Simplified SDK API-Android
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NielsenInit.java
// This is sample code of a very basic implementation of the Nielsen 'Simplified API'
// This code is for educational purposes only
//
import android.content.Context;
import com.nielsen.app.sdk.IAppNotifier;
import com.nielsen.app.sdk.NielsenEventTracker;
import org.json.JSONException;
import org.json.JSONObject;
public class NielsenInit {
private NielsenEventTracker mEventTracker = null;
public NielsenEventTracker initEventTracker(Context mContext, IAppNotifier appNotifier){
try {
//Initialising the NielsenEventTracker class by passing app information which returns the instance of NielsenEventTracker.
JSONObject appInformation = new JSONObject()
.put("appid", "PDA7D5EE6-B1B8-4123-9277-2A788BC6XXX")
.put("appversion", "1.0")
.put("appname", "Android Test app")
.put("sfcode", "dcr")
.put("ccode", "123")
.put("dma","456")
.put("uoo","0")
.put("nol_devDebug", "INFO")
.put("containerId", "0");
mEventTracker = new NielsenEventTracker(mContext, appInformation, appNotifier);
} catch (JSONException e) {
e.printStackTrace();
}
return mEventTracker;
}
}
SDKMethods.java
import org.json.JSONException;
import org.json.JSONObject;
/**
* Created on 07/02/18.
*/
public class SDKMethods {
public String url = "";
JSONObject content = null;
//Loading content Data
public JSONObject loadContentData(){
url = "http://www.nielseninternet.com/NielsenConsumer/prog_index.m3u8";
JSONObject data = null;
try {
JSONObject content = new JSONObject()
.put( "assetName","ChromeCast1")
.put( "assetid","C77664")
.put( "length","3600")
.put( "program","MyProgram")
.put( "segB","CustomSegmentValueB")
.put( "segC","segmentC")
.put( "title","S2,E3")
.put( "type","content")
.put( "section","cloudApi_app")
.put( "airdate","20180120 10:00:00")
.put( "isfullepisode","y")
.put( "adloadtype","2")
.put( "channelName","My Channel 1")
.put( "pipMode","false");
//Ad data,static data should be empty in content video dictionary
JSONObject metaData = new JSONObject()
.put("content", content)
.put("ad", new JSONObject())
.put("static", new JSONObject());
data = new JSONObject()
.put("metadata", metaData)
.put("event", "playhead")
.put("type", "content")
.put("playheadPosition", "0");
} catch (JSONException e) {
e.printStackTrace();
}
return data;
}
MainActivity.java
package com.simplifiedapiapp.activities;
import android.app.ProgressDialog;
import android.media.MediaPlayer;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.widget.Button;
import android.widget.SeekBar;
import com.simplifiedapiapp.utils.Constants;
import com.simplifiedapiapp.models.NielsenInit;
import com.simplifiedapiapp.R;
import com.simplifiedapiapp.models.SDKMethods;
import com.nielsen.app.sdk.IAppNotifier;
import com.nielsen.app.sdk.NielsenEventTracker;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.IOException;
public class MainActivity extends AppCompatActivity implements IAppNotifier, SurfaceHolder.Callback, MediaPlayer.OnPreparedListener, View.OnClickListener, MediaPlayer.OnCompletionListener, MediaPlayer.OnErrorListener {
public static final String TAG = MainActivity.class.getSimpleName();
private SurfaceView mSurfaceView;
private SeekBar seek;
Button btnPlay;
NielsenEventTracker eventTracker;
private int videoType, totalVideos;
private int totalVideosPlayed = 0;
private boolean isVideoStarted = false, isPaused = false;
JSONObject data = null;
private MediaPlayer mMediaPlayer;
private SurfaceHolder mSurfaceHolder;
SDKMethods sdkMethods;
private ProgressDialog dialog;
private Handler playheadHandler;
private Runnable playheadRunnable;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//In SDKMethods class we wrote methods which creates content,Ad objects
sdkMethods = new SDKMethods();
getIntents();
initUI();
//In NielsenInit class we are initialising the NielsenEventTracker.
//Getting the instance of NielsenEventTracker
NielsenInit nielsenInit = new NielsenInit();
//3rd parameter "this" referes to IAppNotifier interface which is needed to initialise NielsenEventTracker
eventTracker = nielsenInit.initEventTracker(getApplicationContext(), this);
}
@Override
protected void onResume() {
super.onResume();
//loading static data
JSONObject staticObj = sdkMethods.loadStaticData();
//sending static data to SDK.
eventTracker.trackEvent(staticObj);
}
private void initUI() {
seek = (SeekBar) findViewById(R.id.seek);
btnPlay = (Button) findViewById(R.id.btnPlay);
btnPlay.setOnClickListener(this);
}
private void getIntents() {
videoType = getIntent().getIntExtra(Constants.INTENT_VIDEO_TYPE, 0);
totalVideos = getIntent().getIntExtra(Constants.INTENT_TOTAL_VIDEOS, 0);
if (videoType == Constants.onlyContent) {
//loading video content data
data = sdkMethods.loadContentData();
} else {
//loading Ad data
data = sdkMethods.loadPreRollAdData();
}
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
Log.v(TAG, "surfaceCreated Called");
if (isPaused) {
//Once video is resumed after pause, setting surfaceholder to player.
if (mMediaPlayer != null) {
mSurfaceHolder = mSurfaceView.getHolder();
mMediaPlayer.setDisplay(mSurfaceHolder);
}
} else {
//This will execute for first time.
setUpPlayer();
mMediaPlayer.setOnCompletionListener(this);
mMediaPlayer.setOnErrorListener(this);
}
}
@Override
public void onCompletion(MediaPlayer mediaPlayer) {
try {
playheadHandler.removeCallbacks(playheadRunnable);
///As 1 video completed playing, incrementing the variable value.
totalVideosPlayed++;
if (videoType == Constants.onlyContent || totalVideosPlayed == totalVideos) {
//on content video complete, updating event as "complete" in object
data.put("event", "complete");
} else {
//on Ad complete, updating event as "adStop" in object
data.put("event", "adStop");
}
//sending the object to SDK.
eventTracker.trackEvent(data);
releaseMediaPlayer();
checkVideosToBePlayed();
} catch (JSONException e) {
e.printStackTrace();
}
}
private void checkVideosToBePlayed(){
//Checking if total videos played or not.
if (totalVideosPlayed != totalVideos) {
data = new JSONObject();
//Checking if videoType is contentWithOneAd, then after completion of Ad, will play the content video.
if (videoType == Constants.contentWithOneAd) {
//loading video content data
data = sdkMethods.loadContentData();
} else if (videoType == Constants.contentWithTwoAds) {
if (totalVideosPlayed == 1) {
//loading 2nd Ad data
data = sdkMethods.loadMidRollAdData();
} else {
//loading video content data
data = sdkMethods.loadContentData();
}
}
showProgressDialog();
setUpPlayer();
mMediaPlayer.setOnCompletionListener(this);
mMediaPlayer.setOnErrorListener(this);
}
}
@Override
public boolean onError(MediaPlayer mediaPlayer, int i, int li) {
Log.e(TAG, "Player error codes:" + i + ", " + li);
return false;
}
//creating player
private void setUpPlayer() {
try {
mMediaPlayer = new MediaPlayer();
mMediaPlayer.setDisplay(mSurfaceHolder);
mMediaPlayer.setDataSource(sdkMethods.url);
mMediaPlayer.setOnPreparedListener(MainActivity.this);
mMediaPlayer.prepareAsync();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
Log.v(TAG, "surfaceChanged Called");
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
Log.v(TAG, "surfaceDestroyed Called");
}
@Override
public void onPrepared(MediaPlayer mp) {
if (dialog.isShowing()) {
dialog.dismiss();
}
seek.setMax(convertTotime(mMediaPlayer.getDuration()));
isVideoStarted = true;
updateSeekbarAndPlayhead();
mMediaPlayer.start();
}
@Override
protected void onPause() {
super.onPause();
setPauseAction();
}
private void setPauseAction() {
try {
if (mMediaPlayer != null) {
isVideoStarted = false;
isPaused = true;
mMediaPlayer.pause();
//on video pause, updating event as pause in object
data.put("event", "pause");
//sending the object to SDK with "pause" event.
eventTracker.trackEvent(data);
btnPlay.setText(getString(R.string.play));
}
} catch (JSONException e) {
e.printStackTrace();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
releaseMediaPlayer();
}
private void releaseMediaPlayer() {
if (mMediaPlayer != null) {
mMediaPlayer.release();
mMediaPlayer = null;
}
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.btnPlay:
try {
//If video is not yet played, then it will play else it will pause the video
if (!isVideoStarted) {
btnPlay.setText(getString(R.string.pause));
if (isPaused) {
isVideoStarted = true;
isPaused = false;
//Once the video is resumed after pause, setting event as "playhead".
data.put("event", "playhead");
mMediaPlayer.start();
} else {
mSurfaceView = (SurfaceView) findViewById(R.id.surface_view);
mSurfaceView.setVisibility(View.VISIBLE);
showProgressDialog();
mSurfaceHolder = mSurfaceView.getHolder();
mSurfaceHolder.addCallback(MainActivity.this);
}
} else {
setPauseAction();
}
} catch (JSONException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
break;
}
}
//Updates seekbar
private void updateSeekbarAndPlayhead() {
try {
//to update playhead, setting the event as "playhead".
data.put("event", "playhead");
playheadHandler = new Handler();
//Make sure you update Seekbar on UI thread
MainActivity.this.runOnUiThread(playheadRunnable = new Runnable() {
@Override
public void run() {
if (mMediaPlayer != null) {
int mCurrentPosition = mMediaPlayer.getCurrentPosition() / 1000;
seek.setProgress(mCurrentPosition);
try {
if (!isPaused && mMediaPlayer.isPlaying()) {
//updating playHead position in Object each second.
data.put("playheadPosition", String.valueOf(mCurrentPosition));
//Sending data object to SDK with updated playHead position.
eventTracker.trackEvent(data);
}
} catch (JSONException e) {
e.printStackTrace();
}
}
playheadHandler.postDelayed(this, 1000);
}
});
} catch (JSONException e) {
e.printStackTrace();
}
}
private int convertTotime(long milliSec) {
int minutes = (int) (milliSec / 1000);
return minutes;
}
private void showProgressDialog() {
runOnUiThread(new Runnable() {
public void run() {
dialog = new ProgressDialog(MainActivity.this);
dialog.setCancelable(false);
dialog.setMessage(getString(R.string.loading));
dialog.show();
}
});
}
@Override
public void onAppSdkEvent(long l, int i, String s) {
//IAppNotifier method
}
}