Android Open Source - DynamicGridView Test Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.authy.dynamicgridview;
/*from  w w w. ja v a  2 s.c  o m*/
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.GridView;
import android.widget.TextView;


public class TestActivity extends Activity {

    private GridView gridView;
    private TestAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_test);

        adapter = new TestAdapter();

        for (int i = 0 ; i < 200 ; i++){
            adapter.add(i+""+i);
        }

        gridView = (GridView)findViewById(R.id.grid);
        gridView.setAdapter(adapter);
        gridView.setNumColumns(3);
    }


    public class TestAdapter extends DynamicGridAdapter<String>{

        @Override
        public View getViewItem(int position, View convertView, ViewGroup parent) {

            TextView textView;
            if(convertView == null){

                textView = new TextView(getApplicationContext());
                textView.setGravity(Gravity.CENTER);

            }
            else{
                textView = (TextView)convertView;
            }

            textView.setText("\n\n"+getItem(position)+"\n\n");

            int r = Integer.parseInt(getItem(position));
            textView.setBackgroundColor(Color.rgb((r*2)%255, (r*5)%255, (r*10)%255));
            return textView;
        }
    }

}

Java Source Code List

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