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Ich habe eine Activity, die aus einer RecyclerView bestehen. Beim Klick auf einen Gegenstand öffne ich einen Full Screen Fragment. Innerhalb dieses habe ich noch einen RecyclerView. Beim Klick auf einen der Artikel im Fragment öffne ich einen weiteren neuen Full Screen Fragment. Aber das Problem ist, dass das neue Full Screen Fragment nicht sichtbar ist. Das Fragment erscheint auf dem Bildschirm, ist aber nicht sichtbar. HierVollbild-Fragment ist nicht sichtbar
ist der Adapter des RecyclerView der Aktivität:
public class GameAdapter extends RecyclerView.Adapter<GameAdapter.MyViewHolder> {
private LayoutInflater inflater;
private Context context;
private List<String> gameList;
GameAdapter(Context context) {
this.context = context;
inflater = LayoutInflater.from(context);
gameList = new ArrayList<>();
}
public void getList(List<String> list) {
int currentSize = gameList.size();
gameList.clear();
gameList.addAll(list);
notifyItemRangeRemoved(0, currentSize);
notifyItemRangeInserted(0, list.size());
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = inflater.inflate(R.layout.custom_row, parent, false);
return new MyViewHolder(view);
}
@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
holder.text.setText(gameList.get(position));
}
@Override
public int getItemCount() {
return gameList.size();
}
class MyViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
TextView text;
CardView gameCard;
public MyViewHolder(View itemView) {
super(itemView);
text = (TextView) itemView.findViewById(R.id.gameText);
gameCard = (CardView) itemView.findViewById(R.id.gameCard);
gameCard.setOnClickListener(this);
}
@Override
public void onClick(View view) {
LevelDialog dialog = new LevelDialog();
FragmentTransaction transaction = ((AppCompatActivity)context).getSupportFragmentManager().beginTransaction();
transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.add(android.R.id.content, dialog).addToBackStack(null).commit();
}
}
}
Hier wird der Adapter des RecyclerView des Fragments:
public class LearningGameAdapter extends RecyclerView.Adapter<LearningGameAdapter.MyViewHolder> {
private LayoutInflater inflater;
private Context context;
private List<String> learnGameList;
Dialog dialog;
LearningGameAdapter(Context context, Dialog dialog) {
this.dialog = dialog;
this.context = context;
inflater = LayoutInflater.from(context);
learnGameList = new ArrayList<>();
}
void getGameList(List<String> gameList) {
int currentSize = learnGameList.size();
learnGameList.clear();
learnGameList.addAll(gameList);
notifyItemRangeRemoved(0, currentSize);
notifyItemRangeInserted(0, gameList.size());
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = inflater.inflate(R.layout.custom_row, parent, false);
return new MyViewHolder(view);
}
@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
holder.levelName.setText(learnGameList.get(position));
}
@Override
public int getItemCount() {
return learnGameList.size();
}
class MyViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
TextView levelName;
CardView gameCard;
public MyViewHolder(View itemView) {
super(itemView);
levelName = (TextView) itemView.findViewById(R.id.gameText);
gameCard = (CardView) itemView.findViewById(R.id.gameCard);
gameCard.setOnClickListener(this);
}
@Override
public void onClick(View view) {
FirstFragment fragment = new FirstFragment();
Bundle bundle = new Bundle();
FragmentTransaction transaction = ((AppCompatActivity) context).getSupportFragmentManager().beginTransaction();
bundle.putInt("CurrentPosition", getAdapterPosition());
bundle.putString("GameType", "Learn");
fragment.setArguments(bundle);
transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.add(android.R.id.content, fragment).addToBackStack(null).commit();
//((AppCompatActivity) context).getSupportFragmentManager().popBackStack();
}
}
}
Hier ist die Full Screen Fragment, die nicht sichtbar ist, auch nach Auf dem Bildschirm erscheint:
public class FirstFragment extends DialogFragment {
ConnectDotsView connectDotsView;
ImageView refreshCanvas, shareTrace, helpTrace;
int position = 0;
String gameType = "";
Toolbar toolbar;
TracingGames games;
KonfettiView konfettiView;
boolean isDrawn = false;
List<Point> points;
View.OnClickListener myListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.refreshCanvas:
isDrawn = false;
connectDotsView.clear();
connectDotsView.setPoints(points);
break;
case R.id.helpTrace:
HelpDialog dialog = new HelpDialog();
Bundle bundle = new Bundle();
bundle.putInt("Position", position);
bundle.putString("GameType",gameType);
dialog.setArguments(bundle);
dialog.show(getActivity().getSupportFragmentManager(), "HelpDialog");
break;
case R.id.shareTrace:
break;
}
}
};
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.first_fragment, container, false);
toolbar = (Toolbar) rootView.findViewById(R.id.toolbar);
((AppCompatActivity) getActivity()).setSupportActionBar(toolbar);
ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
if (actionBar != null) {
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setHomeButtonEnabled(true);
actionBar.setHomeAsUpIndicator(android.R.drawable.ic_menu_close_clear_cancel);
}
setHasOptionsMenu(true);
return rootView;
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
position = getArguments().getInt("CurrentPosition");
Log.e("Position",position+"");
gameType = getArguments().getString("GameType");
Log.e("GameType",gameType);
connectDotsView = (ConnectDotsView) view.findViewById(R.id.connect_dots_view);
refreshCanvas = (ImageView) view.findViewById(R.id.refreshCanvas);
shareTrace = (ImageView) view.findViewById(R.id.shareTrace);
helpTrace = (ImageView) view.findViewById(R.id.helpTrace);
games = new TracingGames();
konfettiView = (KonfettiView) view.findViewById(R.id.viewKonfetti);
refreshCanvas.setOnClickListener(myListener);
shareTrace.setOnClickListener(myListener);
helpTrace.setOnClickListener(myListener);
connectDotsView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
Rect rect = new Rect();
int[] x = null;
int[] y = null;
if (gameType.equalsIgnoreCase("Learn")) {
switch (position) {
case 0:
x = games.getLevel1X();
y = games.getLevel1Y();
break;
case 1:
x = games.getLevel2X();
y = games.getLevel2Y();
break;
case 2:
x = games.getLevel3X();
y = games.getLevel3Y();
break;
case 3:
x = games.getLevel4X();
y = games.getLevel4Y();
break;
case 4:
x = games.getLevel5X();
y = games.getLevel5Y();
break;
case 5:
x = games.getLevel6X();
y = games.getLevel6Y();
break;
case 6:
x = games.getLevel7X();
y = games.getLevel7Y();
break;
case 7:
x = games.getLevel8X();
y = games.getLevel8Y();
break;
}
}else if(gameType.equalsIgnoreCase("Game")){
}
// Fist find the min and max value for x axis
int minX = x[0];
int maxX = x[0];
for (int i = 1; i <= x.length - 1; i++) {
if (maxX < x[i]) {
maxX = x[i];
}
if (minX > x[i]) {
minX = x[i];
}
}
// Find min and max vlaue for Y axis
int minY = y[0];
int maxY = y[0];
for (int i = 1; i <= y.length - 1; i++) {
if (maxY < y[i]) {
maxY = y[i];
}
if (minY > y[i]) {
minY = y[i];
}
}
connectDotsView.getLocalVisibleRect(rect);
Log.e("Width", rect.width() + "");
Log.e("Height", rect.height() + "");
Log.e("left", rect.left + "");
Log.e("right", rect.right + "");
Log.e("top", rect.top + "");
Log.e("bottom", rect.bottom + "");
// Find the scale factor based on the view you allocated in the screen
float scaleX = ((float) ((float) rect.width()/(float) maxX));
float scaleY = ((float) ((float) rect.height()/(float) maxY));
final float scale;
// Take the lowest scale factor
if (scaleX > scaleY) {
scale = scaleY;
} else {
scale = scaleX;
}
// find the left and top
int left = (rect.width() - ((int) ((float) maxX * scale)) - ((int) ((float) minX * scale)))/2;
int top = (rect.height() - ((int) ((float) maxY * scale)) - ((int) ((float) minY * scale)))/2;
// base on the above calculation draw in a view
List<Point> points = new ArrayList<>();
for (int i = 0, j = 0; i < x.length && j < y.length; i++, j++) {
Point p = new Point(((int) ((float) x[i] * scale)) + left, (int) ((float) y[j] * scale) + top);
points.add(p);
}
connectDotsView.clear();
FirstFragment.this.points = points;
connectDotsView.setPoints(points);
}
});
connectDotsView.setOnCompleteListener(new ConnectDotsView.CompleteListener() {
@Override
public void onCompleteListener() {
if (!isDrawn) {
isDrawn = true;
konfettiView.build()
.addColors(Color.parseColor("#764ba2"), Color.parseColor("#f5576c"), Color.parseColor("#43e97b"))
.setDirection(0.0, 359.0)
.setSpeed(0.5f, 3f)
.setFadeOutEnabled(true)
.setTimeToLive(2000L)
.addShapes(Shape.RECT, Shape.CIRCLE)
.addSizes(new Size(12, 5f))
.setPosition(-50f, konfettiView.getWidth() + 50f, -50f, -50f)
.stream(300, 2200L);
Log.e("Clear", "cleared");
}
}
});
}
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
Dialog dialog = super.onCreateDialog(savedInstanceState);
//dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
dialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE);
return dialog;
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
menu.clear();
getActivity().getMenuInflater().inflate(R.menu.main_menu, menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == android.R.id.home) {
// handle close button click here
getActivity().getSupportFragmentManager().popBackStack();
return true;
}
return super.onOptionsItemSelected(item);
}
}
Haben Sie Layout Inspector getestet? Dies kann Ihnen helfen zu untersuchen, wenn Ihr Fragment ist: http://tools.android.com/tech-docs/layout-inspector – thorin86
CardView als Eltern Layout für das unsichtbare "Fragment" hinzugefügt hat den Trick für mich. Aber warum? – XoXo