I found some similar situation, like this and this, but none of then solved my problem.
I have wanna have a screen with youtube video and some text information like this:
I'm using a activity and a fragment, both with base class that extended YouTubeBaseActivity and YouTubePlayerFragment.
But when I'm trying to open the fragment it show a npe but it don't show where. Since I'm getting the layout and view right, I don't now what is going on.
Hope that it don't get downvotes because is a npe question, but is different from usual, this API call don't show me where the NPE happen and I saw the other people has problems like this
Obs: I'm using this extend base concept because more places will have this videos behaviour and I'm trying to avoid code repeat.
Logcat
XML
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context=".screens.mine.fragments.MineStepsFragment">
<com.google.android.youtube.player.YouTubePlayerView
android:id="@+id/mine_steps_youtube_player"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="@color/background_white"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent">
</com.google.android.youtube.player.YouTubePlayerView>
</android.support.constraint.ConstraintLayout>
Activity
public class MineAccidentActivity extends BaseYoutubeActivity {
@Override
protected void initializeActionBar() {
actionbarLeftBtn.setVisibility(View.VISIBLE);
actionbarTitle.setVisibility(View.VISIBLE);
}
@Override
protected int getActionbarTitle() {
return R.string.mine_accident;
}
@Override
protected int getContentView() {
return R.layout.mine_accident_activity;
}
@Override
protected void assignViews() {
MineAccidentController.getInstance().attachToActivity(this, R.id.mine_container);
}
@Override
protected void prepareViews() {}
/////////////////// BACK ////////////////////
@Override
public void onBackPressed() {
if (!MineAccidentController.getInstance().isFirstFragmentShown()) {
MineAccidentController.getInstance().showPreviousFragment();
} else {
super.onBackPressed();
}
}
/////////////////// LIFE CYCLE ////////////////////
@Override
protected void onDestroy() {
MineAccidentController.getInstance().onDestroy();
super.onDestroy();
}
}
Fragment Controller
public class MineAccidentController extends BaseYoutubeController {
private String accidentType;
@Override
protected ArrayList<android.app.Fragment> initFragments() {
ArrayList<android.app.Fragment> fragments = new ArrayList<>();
fragments.add(new MineStepsFragment());
return fragments;
}
//create Class
public static MineAccidentController getInstance() {
if (null == instance) {
synchronized (MineAccidentController.class) {
if (null == instance) {
setInstance(new MineAccidentController());
}
}
}
return (MineAccidentController) instance;
}
public String getAccidentType() {
return accidentType;
}
public void setAccidentType(String accidentType) {
this.accidentType = accidentType;
}
}
Fragment
public class MineStepsFragment extends BaseYoutubeFragment {
//Not in Layout
private String videoUrl;
////////////// IMPLEMENT_METHODS //////////////
@Override
protected int getFragmentContentView() {
return R.layout.mine_steps_fragment;
}
@Override
protected int getYoutubePlayerView() {
return R.id.mine_steps_youtube_player;
}
@Override
protected void assignViews() {
}
@Override
protected void prepareViews() {
}
@Override
public void onInitializationSuccess(YouTubePlayer.Provider provider, YouTubePlayer youTubePlayer, boolean wasRestored) {
if(!wasRestored){
checkType();
youTubePlayer.cueVideo(videoUrl);
}
}
@Override
public void onInitializationFailure(YouTubePlayer.Provider provider, YouTubeInitializationResult youTubeInitializationResult) {
showErrorToast(getActivity(), R.string.error_initialize_video);
}
////////////// FUNCTIONS //////////////
private void checkType() {
if(MineAccidentController.getInstance().getAccidentType().equals(Parameters.ACCIDENT_PERSONAL)){
videoUrl = Properties.MINE_PERSONAL_VIDEO;
}
else {
videoUrl = Properties.MINE_WORK_VIDEO;
}
}
}
Base Fragment
public abstract class BaseYoutubeFragment extends YouTubePlayerFragment implements YouTubePlayer.OnInitializedListener {
protected View fragmentView = null;
protected YouTubePlayerView youTubePlayerView;
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
assignViews();
prepareViews();
}
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
fragmentView = inflater.inflate(getFragmentContentView(), container, false);
youTubePlayerView = fragmentView.findViewById(getYoutubePlayerView());
youTubePlayerView.initialize(com.can_apps.eva_ngo.properties.Properties.API_KEY, this);
return fragmentView;
}
/////////////////// ABSTRACT METHODS ////////////////////
protected abstract int getFragmentContentView(); //Get Layout R.layout.name_file
protected abstract int getYoutubePlayerView(); //Get Container for YOutube Video
protected abstract void assignViews(); //Used for findById the params
protected abstract void prepareViews(); //Used for start the values of params
/////////////////// SHOW MESSAGES ////////////////////
public void showErrorToast(Context context, final int message) {
Toast toast = Toast.makeText(context, getString(message), Toast.LENGTH_SHORT);
View view = toast.getView();
view.setBackgroundResource(R.color.background_red_transparent);
toast.show();
}
/////////////////// SNACK BAR ////////////////////
public void showSnackBar(final int text) {
Snackbar.make(Objects.requireNonNull(getView()), getString(text), Snackbar.LENGTH_SHORT).show();
}
public void showSnackBar(final int mainTextStringId, final int actionStringId, View.OnClickListener listener) {
Snackbar.make(Objects.requireNonNull(getView()),
getString(mainTextStringId),
Snackbar.LENGTH_LONG)
.setAction(getString(actionStringId), listener).show();
}
}
