DemoPlayerActivity.java

package com.example.android.sampletvinput;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.google.android.exoplayer2.ExoPlayer;
import com.google.android.exoplayer2.MediaItem;
import com.google.android.exoplayer2.ui.StyledPlayerView;
import com.google.android.media.tv.companionlibrary.model.InternalProviderData;
import com.google.android.media.tv.companionlibrary.model.Program;
import com.google.android.media.tv.companionlibrary.utils.SampleChannelListManager;
import com.google.android.media.tv.companionlibrary.utils.TvContractUtils;


/**
 * This activity handles the deeplink URI to playback content within this app.
 * You should implement your own in-app player here
 *
 * This activity is just used to demo how your app can receive the TIF ID and other
 * information from the intent.
 *
 */
public class DemoPlayerActivity extends Activity {

    private static final String TAG = DemoPlayerActivity.class.getSimpleName();
    private ExoPlayer mPlayer;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.demo_player_activity);

        Toast.makeText(this, "Launch customized player activity", Toast.LENGTH_SHORT).show();

        StyledPlayerView playerView = findViewById(R.id.player_view);
        mPlayer = new ExoPlayer.Builder(this).build();
        playerView.setPlayer(mPlayer);

        initializePlayerActivity(getIntent());
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        if (mPlayer != null) {
            mPlayer.release();
            mPlayer = null;
        }
    }

    private void initializePlayerActivity(final Intent intent) {
        final int originalNetworkId =intent.getIntExtra(TvContractUtils.CHANNEL_DEEP_LINK_INTENT_PRIM_KEY,-1);

        final SampleChannelListManager channelManager = SampleChannelListManager.getInstance();

        Uri currentChannelUri = channelManager.getChannelUri(originalNetworkId);

        if(currentChannelUri == null){
            //If the channel uri can't be found in the cache, it means cache need to be updated
            channelManager.updateChannelList(getContentResolver(),
                    intent.getStringExtra(TvContractUtils.CHANNEL_DEEP_LINK_INTENT_SEC_KEY));

            currentChannelUri = channelManager.getChannelUri(originalNetworkId);
        }

        playChannel(currentChannelUri);
    }

    private void playChannel(final Uri currentChannelUri) {
        final Program program = TvContractUtils.getCurrentProgram(getContentResolver(),currentChannelUri);

        if(program == null) {
            Log.i(TAG,"Program is null");
            return;
        }

        final InternalProviderData internalProviderData = program.getInternalProviderData();

        if(internalProviderData == null) {
            Log.i(TAG,"InternalProviderData is null");
            return;
        }

        final Uri uri = Uri.parse(internalProviderData.getVideoUrl());
        Log.i(TAG,"ProgramUri is: " + uri);

        // Just set Video here for demo use, you could implement your own player here.
        MediaItem mediaItem = MediaItem.fromUri(uri);
        mPlayer.setMediaItem(mediaItem);
        mPlayer.prepare();
        mPlayer.play();
    }
}