customised listview using arrayadapter class in android

问题

how to select row item using Tick mark like iphone in android?iam using imageview in list_row.xml.when i click the list row item then i show image in row imageview.

if(getItem(position)!=null){
img.setvisibilty(View.Visible);}        
else{System.out.println("imagenull");}

iam using this but image display in last row only.please help me how to select item using tickmark image.

public class DistanceArrayAdapter extends ArrayAdapter<Constant>{
public static String category,state,miles;
public ImageView img;
private Context context;
private int current = -1;
ArrayList<Constant> dataObject;

public DistanceArrayAdapter(Context context, int textViewResourceId,
ArrayList<Constant> dataObject) {
super(context, textViewResourceId, dataObject);
this.context=context;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
View rowView=convertView;
if(rowView==null){
LayoutInflater inflater = (LayoutInflater) context
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

rowView = inflater.inflate(R.layout.category_row, parent, false);

}
    //TextView textView = (TextView) rowView.findViewById(R.id.text1);
TextView textView1 = (TextView) rowView.findViewById(R.id.text2);
    //textView.setText(""+getItem(position).id);
textView1.setText(""+getItem(position).caption);
img=(ImageView)rowView.findViewById(R.id.img);
img.setVisibility(View.GONE);
if(position%2==1)
{
rowView.setBackgroundResource(R.color.even_list);
}
else
    {
        rowView.setBackgroundResource(R.color.odd_list);
    }

rowView.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {

            if(img.getVisibility()==View.GONE)
            {
                img.setVisibility(View.VISIBLE);
                System.out.println("1");
            }
if(img.getVisibility()==View.VISIBLE){
img.setVisibility(View.GONE);
System.out.println("12");
}

miles=getItem(position).caption;
System.out.println("miles"+miles);
}
});
return rowView;
}
}

回答1:

Drawing from https://groups.google.com/forum/?fromgroups#!topic/android-developers/No0LrgJ6q2M

public class MainActivity extends Activity implements AdapterView.OnItemClickListener {
    String[] GENRES = new String[] {"Action", "Adventure", "Animation", "Children", "Comedy", "Documentary", "Drama", "Foreign", "History", "Independent", "Romance", "Sci-Fi", "Television", "Thriller"};
    private CheckBoxAdapter mCheckBoxAdapter;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final ListView listView = (ListView) findViewById(R.id.lv);

        listView.setItemsCanFocus(false);
        listView.setTextFilterEnabled(true);
        listView.setOnItemClickListener(this);
        mCheckBoxAdapter = new CheckBoxAdapter(this, GENRES);
        listView.setAdapter(mCheckBoxAdapter);
        Button b = (Button) findViewById(R.id.button1);
        b.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                StringBuilder result = new StringBuilder();
                for (int i = 0; i < GENRES.length; i++) {
                    if (mCheckBoxAdapter.mCheckStates.get(i) == true) {
                        result.append(GENRES[i]);
                        result.append("\n");
                    }

                }
                Toast.makeText(MainActivity.this, result, 1000).show();
            }

        });
    }

    public void onItemClick(AdapterView parent, View view, int position, long id) {
        mCheckBoxAdapter.toggle(position);
    }

    class CheckBoxAdapter extends ArrayAdapter implements CompoundButton.OnCheckedChangeListener {
        LayoutInflater mInflater;
        TextView tv1, tv;
        CheckBox cb;
        String[] gen;
        private SparseBooleanArray mCheckStates;
        private SparseBooleanArray mCheckStates;

        CheckBoxAdapter(MainActivity context, String[] genres) {
            super(context, 0, genres);
            mCheckStates = new SparseBooleanArray(genres.length);
            mInflater = (LayoutInflater) MainActivity.this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            gen = genres;
        }

        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return gen.length;
        }
    }
}

activity_main.xml

 <RelativeLayout
 xmlns:android="http://schemas.android.com/apk/res/android" 
 android:layout_width="fill_parent" 
 android:layout_height="fill_parent">

 <ListView
 android:id="@+id/lv"
 android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:layout_above="@+id/button1"/>
  <Button
      android:id="@+id/button1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentBottom="true"
      android:layout_centerHorizontal="true"
      android:text="Button" />

</RelativeLayout>

And the XML file for the checkboxes:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<TextView
    android:id="@+id/textView1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_alignParentTop="true"
    android:layout_marginLeft="15dp"
    android:layout_marginTop="34dp"
    android:text="TextView" />

<CheckBox
    android:id="@+id/checkBox1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentRight="true"
    android:layout_below="@+id/textView1"
    android:layout_marginRight="22dp"
    android:layout_marginTop="23dp" />

 </RelativeLayout>

When you click the button a toast message with list of item choosen is displayed. You can modify the above according to your requirements.

回答2:

Set selection mode on your ListView

    //if using ListActivity or ListFragment
 getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);

    //or

     myListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);

    //myListView is reference to your ListView

回答3:

I have created one sample example for List having Check boxes, using Array adapter.

ListView with CheckBox using ArrayAdatpter in Android

You can find sample code also.

This will be output

Here is the code snip how I am doing

I have an Activity having List View

public class MainActivity extends Activity {

 private ListView mainListView = null;
 private Planet[] planets = null;
 private ArrayAdapter<Planet> listAdapter = null;

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

  mainListView = (ListView) findViewById(R.id.mainListView);

  // When item is tapped, toggle checked properties of CheckBox and
  // Planet.
  mainListView
  .setOnItemClickListener(new AdapterView.OnItemClickListener() {
   @Override
   public void onItemClick(AdapterView<?> parent, View item,
    int position, long id) {
   Planet planet = listAdapter.getItem(position);
   planet.toggleChecked();
   PlanetViewHolder viewHolder = (PlanetViewHolder) item
    .getTag();
   viewHolder.getCheckBox().setChecked(planet.isChecked());
   }
  });

  // Create and populate planets.
  planets = (Planet[]) getLastNonConfigurationInstance();
  if (planets == null) {
   planets = new Planet[] { new Planet("Mercury"),
     new Planet("Venus"), new Planet("Earth"),
     new Planet("Mars"), new Planet("Jupiter"),
     new Planet("Saturn"), new Planet("Uranus"),
     new Planet("Neptune"), new Planet("Ceres"),
     new Planet("Pluto"), new Planet("Haumea"),
     new Planet("Makemake"), new Planet("Eris") };
  }
  ArrayList<Planet> planetList = new ArrayList<Planet>();
  planetList.addAll(Arrays.asList(planets));

  // Set our custom array adapter as the ListView's adapter.
  listAdapter = new PlanetArrayAdapter(this, planetList);
  mainListView.setAdapter(listAdapter);
 }

 public Object onRetainNonConfigurationInstance() {
  return planets;
 }
}

And here is the Custom Array Adapter where I am Handling Checkbox stuff

public class PlanetArrayAdapter extends ArrayAdapter<Planet> {

 private LayoutInflater inflater;

 public PlanetArrayAdapter(Context context, List<Planet> planetList) {
 super(context, R.layout.simplerow, R.id.rowTextView, planetList);
 //Cache the LayoutInflate to avoid asking for a new one each time.
  inflater = LayoutInflater.from(context);
 }

 @Override
 public View getView(int position, View convertView, ViewGroup parent){
  Planet planet = (Planet) this.getItem(position);
  CheckBox checkBox;
  TextView textView;

  // Create a new row view
  if (convertView == null) {
  convertView = inflater.inflate(R.layout.simplerow, null);

  textView = (TextView) convertView.findViewById(R.id.rowTextView);
  checkBox = (CheckBox) convertView.findViewById(R.id.CheckBox01);

  convertView.setTag(new PlanetViewHolder(textView, checkBox));

  // If CheckBox is toggled, update the planet it is tagged with.
  checkBox.setOnClickListener(new View.OnClickListener() {
   public void onClick(View v) {
    CheckBox cb = (CheckBox) v;
    Planet planet = (Planet) cb.getTag();
    planet.setChecked(cb.isChecked());
   }
  });
  }
  // Re-use existing row view
  else {

  PlanetViewHolder viewHolder = (PlanetViewHolder) convertView
     .getTag();
   checkBox = viewHolder.getCheckBox();
   textView = viewHolder.getTextView();
  }

  checkBox.setTag(planet);

  // Display planet data
  checkBox.setChecked(planet.isChecked());
  textView.setText(planet.getName());

  return convertView;
 }

}

Please! let me know if you have any trouble in this.

回答4:

1.Make visibility gone to you tick mark image

2.Implement view.setOnClickListener in arrayadapter.

3.In that check image.getVisibility()==View.GONE then make image.setVisibity(View.Visible)

4.if image.getVisiblity()==View.VISIBLE then make your image.setVisibity(View.GONE)

Try this.

来源：https://stackoverflow.com/questions/16685366/customised-listview-using-arrayadapter-class-in-android