Awesome! This worked like a charm.
On Oct 28, 2:54 pm, Streets Of Boston <flyingdutc...@gmail.com> wrote:
> When you create a brand-new convertView (v) in your getView(...)
> method (within the if (v==nul) {....} block), call the
> setOnCheckChangeListener on the SelectActor checkbox in 'v'.
>
> Every time when getView(...) is called, attach your Actor to the
> Selector checkbox, by calling setTag:
> public View getView(....) {
> ...
> ...
>
> SelectActor.setTag(null); // prevent eternal looping
> SelectActor.setChecked(a.isSelected);
> SelectActor.setTag(a);
> ...
> }
>
> Then in the OnCheckChangedListener implement this
> public void onCheckedChanged (CompoundButton buttonView, boolean
> isChecked) {
> ...
> Actor a = (Actor)buttonView.getTag();
> if (a != null) {
> a.isSelected = isChecked;
>
> // The call below may not be necessary....
> ard.notifyDataSetChanged();
> }
> }
>
> On Oct 28, 1:17 pm, stanchat <stanc...@tccons.com> wrote:
>
>
>
> > This will work for the AddAll and ClearAll buttons. How do I make it
> > work for an indiviudal actor (clicking Checkbox for actor) such that
> > the isSelected field gets changed properly. I see I have the
> > setOnCheckedChangeListener for a checkbox but how do I get the
> > position of the ActorList to actually change.
>
> > On Oct 28, 10:30 am, Streets Of Boston <flyingdutc...@gmail.com>
> > wrote:
>
> > > I see that in the onClick, you try to access the list's (GridView's)
> > > items by accessing its child-views. This is not correct.
>
> > > Child-views are re-used for when displaying items in the
> > > listview(GridView). When a child-view (list-item view) scrolls off the
> > > screen, it is re-used for ones that start scrolling into the visible
> > > screen.
>
> > > Also:
> > > The call 'Actor a = (Actor) gv.getAdapter().getItem(position)' looks
> > > incorrect.
> > > '// Actor a = items.get(position);' should be un-commented. This is
> > > the correct way of getting your Actor.
>
> > > Add a field to Actor that check if it is selected:
> > > public class Actor ... {
> > > boolean isSelected;
> > > ...
>
> > > }
>
> > > In the onClick of your Select-All button, call your adapter, not your
> > > GridView, to obtain all the Actors:
>
> > > for (int i = 0; i < ard.getCount();; i++) {
> > > Actor a = (Actor)arg.getItem(i);
> > > a.isSelected = true;
> > > ...
> > > }
> > > ard.notifyDataSetChanged(); // this will call the adapter's
> > > getView(...) to be called.
>
> > > Then in your adapter, do this:
>
> > > public int getCount() {
> > > return items.size();
> > > }
>
> > > public Actor getItem(int position) {
> > > return items.get(position);
> > > }
>
> > > public View getView(int position, View convertView, ViewGroup
> > > parent) {
> > > ...
> > > ...
> > > Actor a = getItem(position)
> > > CheckBox cb = v.findViewById(R.id.CheckBoxActor);
> > > cb.setChecked(a.isSelected);
>
> > > TextView tv = v.findViewById(R.id.TextViewActor);
> > > tv.setText(a.ActorImageView.getText());
> > > ... etc...
>
> > > }
>
> > > Never call your adapter's getView(....) method yourself. It will be
> > > called by the framework. It's a call-*back* function.
>
> > > If you want to change the items in the list-view, do *not* change the
> > > list-item views (child-views) of the listview (GridView). Instead,
> > > change the data in the adapter, then call the adapter's
> > > 'notifyDataSetChanged()' method.
>
> > > On Oct 28, 10:35 am, stanchat <stanc...@tccons.com> wrote:
>
> > > > I'm have a custom GridView Array Adapter. The problem for me is that
> > > > when the grid list gets large enough to scroll off the screen the
> > > > gridview and arraylist get out of sync. For instance in my case I
> > > > have code that checks if an actor is of type director the text color
> > > > should be red. if you scroll up and down my list enough times all the
> > > > actors text in my gridview will become red. The thing is that the
> > > > Gridview appearance actually looks fine its the backing data. Here is
> > > > the complete class. In the code you can see where I tried to override
> > > > getItem and getItemId but that didn't fix anything.
>
> > > > =============================================================================
> > > > package com.goldendoodlegames.android.hollywoodempire;
>
> > > > import java.text.DecimalFormat;
> > > > import java.util.ArrayList;
> > > > import java.util.Comparator;
> > > > import java.util.List;
>
> > > > import android.app.*;
> > > > import android.content.Context;
> > > > import android.content.Intent;
> > > > import android.graphics.Color;
> > > > import android.graphics.drawable.Drawable;
> > > > import android.media.MediaPlayer;
> > > > import android.net.Uri;
> > > > import android.os.*;
> > > > import android.text.Editable;
> > > > import android.text.InputFilter;
> > > > import android.text.TextWatcher;
> > > > import android.view.LayoutInflater;
> > > > import android.view.View;
> > > > import android.view.ViewGroup;
> > > > import android.view.View.OnClickListener;
> > > > import android.widget.ArrayAdapter;
> > > > import android.widget.BaseAdapter;
> > > > import android.widget.Button;
> > > > import android.widget.CheckBox;
> > > > import android.widget.EditText;
> > > > import android.widget.Filter;
> > > > import android.widget.Filterable;
> > > > import android.widget.GridView;
> > > > import android.widget.ImageView;
> > > > import android.widget.ListView;
> > > > import android.widget.TextView;
>
> > > > public class ActorsView extends Activity {
>
> > > > private static ArrayList<Actor> ActorList;
> > > > ActorRowAdapter ard;
> > > > GridView g1;
>
> > > > //
> > > > private static class ActorRowAdapter extends
> > > > ArrayAdapter<Actor> {
> > > > private LayoutInflater mInflater;
> > > > private ArrayList<Actor> items;
>
> > > > public ActorRowAdapter(Context context, int resource,
> > > > int textViewResourceId,
> > > > ArrayList<Actor> items) {
> > > > super(context, resource, textViewResourceId,
> > > > items);
> > > > this.items = items;
> > > > mInflater = LayoutInflater.from(context);
> > > > }
>
> > > > // public int getCount() {
> > > > // return ActorList.size();
> > > > // }
> > > > //
> > > > // public Actor getItem(int position) {
> > > > // return ActorList.get(position);
> > > > // }
> > > > //
> > > > // public long getItemId(int position) {
> > > > // return position;
> > > > // }
> > > > @Override
> > > > public View getView(int position, View convertView,
> > > > ViewGroup
> > > > parent) {
> > > > super.getView(position, convertView, parent);
> > > > View v = convertView;
> > > > if (v == null) {
> > > > v =
> > > > mInflater.inflate(R.layout.actorgridrow, null);
> > > > }
> > > > //Actor a = items.get(position);
> > > > GridView gv = (GridView) parent;
> > > > Actor a = (Actor)
> > > > gv.getAdapter().getItem(position);
> > > > if (a != null) {
> > > > TextView Actor = (TextView)
> > > > v.findViewById(R.id.TextViewActor);
> > > > CheckBox SelectActor = (CheckBox) v
> > > >
> > > > .findViewById(R.id.CheckBoxActor);
> > > > if (Actor != null) {
> > > >
> > > > Actor.setText(a.ActorImageView.getText());
> > > > if
> > > > (a.Type.toLowerCase().equals("director"))
> > > >
> > > > Actor.setTextColor(Color.RED);
> > > > }
> > > > if (SelectActor != null) {
> > > >
> > > > SelectActor.setChecked(a.Visibility);
> > > > Drawable[] actDraw =
> > > > a.ActorImageView
> > > >
> > > > .getCompoundDrawables();
> > > >
> > > > SelectActor.setBackgroundDrawable(actDraw[1]);
> > > > }
> > > > }
> > > > return v;
> > > > }
> > > > }
>
> > > > @Override
> > > > public void onCreate(Bundle savedInstanceState) {
> > > > super.onCreate(savedInstanceState);
> > > > try {
> > > > setContentView(R.layout.actorslayout);
> > > > } catch (Exception ex) {
> > > > ex.printStackTrace();
> > > > }
> > > > ActorList = (ArrayList<Actor>)
> > > > HollyWoodEmpire.extGM.CurrentPlayer.ActorInventory;
>
> > > > Button btnSelectAllActors = (Button)
> > > > findViewById(R.id.ButtonSelectAllActors);
> > > >
>
> ...
>
> read more »- Hide quoted text -
>
> - Show quoted text -
--
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
android-developers+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en
