I have the following code:
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="false"
tools:context=".bakers">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
...
in an activity. I have a few images on the activity and know I won't be able to fit them all on one screen, so I added a ScrollView with a height that is much larger than the screen. However, all this does is simply scale the existing images I have so that they are larger and take up more of the screen. I've tried fixing the fillViewport and clipToPadding settings, but this doesn't help anything.
Essentially what I'm asking is: Is there a way to add an image "below" the preview on screen using a ScrollView, so you can fit more on the screen than you normally would be able to? If I make the phone screen larger or the ScrollView larger, the images simply scale up.
Thanks
First you need use an recyclerview RecyclerView documentation
your activity view will have this code
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<Button
android:id="@+id/buttonAction"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="button action" />
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="vertical"
android:scrollingCache="true" />
</LinearLayout>
you need create another layout in this case the layout that will display your image, example item_image.xml
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ImageView
android:id="@+id/image"
android:layout_marginTop="4dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scaleType="centerCrop"
android:adjustViewBounds="true"
android:src="@drawable/image_1"/>
</LinearLayout>
well now you have your views.
the next is create a new class thats implement an adapter: CardAdapter.java
public class CardAdapter extends RecyclerView.Adapter<CardAdapter.ViewHolder> {
Context context;
public void setContext(Context context) {
this.context = context;
}
public class ViewHolder extends RecyclerView.ViewHolder {
ImageView imgCover;
public ViewHolder(final View itemView, int type) {
super(itemView);
imgCover = itemView.findViewById(R.id.image);
}
}
@Override
public int getItemViewType(int position) {
return 1;
}
@NonNull
@Override
public CardAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = null;
RecyclerView.LayoutParams lp;
switch (viewType) {
case 1:
view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_card_payment, null, false);
lp = new RecyclerView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
view.setLayoutParams(lp);
break;
}
return new CardAdapter.ViewHolder(view, viewType);
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
}
@Override
public int getItemCount() {
return 10;
}
public Context getContext() {
return context;
}
}
and in your activity you will implement the recycler and the adapter
public class CardsActivity extends AppCompatActivity {
RecyclerView recyclerView;
CardAdapter cardAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_cards);
initToolbar();
recyclerView = findViewById(R.id.recyclerView);
cardAdapter = new CardAdapter();
cardAdapter.setContext(this);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
recyclerView.setHasFixedSize(true);
recyclerView.setNestedScrollingEnabled(false);
recyclerView.setAdapter(cardAdapter);
}
}
and its all.
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