Using GridView : GridView « UI « Android

1. Android
2. UI
3. GridView

Using GridView

 

//src\com\commonsware\android\grid\GridDemo.java
/***
  Copyright (c) 2008-2009 CommonsWare, LLC
  
  Licensed under the Apache License, Version 2.0 (the "License"); you may
  not use this file except in compliance with the License. You may obtain
  a copy of the License at
    http://www.apache.org/licenses/LICENSE-2.0
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/

package com.commonsware.android.grid;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.GridView;
import android.widget.TextView;

public class GridDemo extends Activity
  implements AdapterView.OnItemSelectedListener {
  TextView selection;
  String[] items={"lorem", "ipsum", "dolor", "sit", "amet",
          "consectetuer", "adipiscing", "elit", "morbi", "vel",
          "ligula", "vitae", "arcu", "aliquet", "mollis",
          "etiam", "vel", "erat", "placerat", "ante",
          "porttitor", "sodales", "pellentesque", "augue", "purus"};
  
  @Override
  public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.main);
    selection=(TextView)findViewById(R.id.selection);
    
    GridView g=(GridView) findViewById(R.id.grid);
    g.setAdapter(new FunnyLookingAdapter(this,
                        android.R.layout.simple_list_item_1,
                        items));
    g.setOnItemSelectedListener(this);
  }
  
  public void onItemSelected(AdapterView<?> parent, View v,
                              int position, long id) {
    selection.setText(items[position]);
  }
  
  public void onNothingSelected(AdapterView<?> parent) {
    selection.setText("");
  }
  
  private class FunnyLookingAdapter extends ArrayAdapter {
    Context ctxt;
    
    FunnyLookingAdapter(Context ctxt, int resource,
                        String[] items) {
      super(ctxt, resource, items);
      
      this.ctxt=ctxt;
    }
    
    public View getView(int position, View convertView,
                          ViewGroup parent) {
      TextView label=(TextView)convertView;
      
      if (convertView==null) {
        convertView=new TextView(ctxt);
        label=(TextView)convertView;
      }
      
      label.setText(items[position]);
      
      return(convertView);
    }
  }
}


//res\layout\main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  >
  <TextView
    android:id="@+id/selection"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    />
  <GridView
    android:id="@+id/grid"
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent"
    android:verticalSpacing="35px"
    android:horizontalSpacing="5px"
    android:numColumns="auto_fit"
    android:columnWidth="100px"
    android:stretchMode="columnWidth"
    android:gravity="center"
    />
</LinearLayout>

   
  

Related examples in the same category