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//GridViewDemo.java
package com.example.containerdemo;
import java.util.List;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
public class GridViewDemo extends Activity {
GridView mGrid;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
loadApps();
setContentView(R.layout.gridviewdemo);
mGrid = (GridView)findViewById(R.id.myGrid);
mGrid.setAdapter(new AppsAdapter());
}
private List<ResolveInfo> mApps;
private void loadApps(){
Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
mApps = getPackageManager().queryIntentActivities(mainIntent, 0);
}
public class AppsAdapter extends BaseAdapter{
public AppsAdapter(){
}
public View getView(int position, View convertView, ViewGroup parent){
ImageView i;
if(convertView == null){
i = new ImageView(GridViewDemo.this);
i.setScaleType(ImageView.ScaleType.FIT_CENTER);
i.setLayoutParams(new GridView.LayoutParams(50,50));
} else {
i = (ImageView)convertView;
}
ResolveInfo info = mApps.get(position);
i.setImageDrawable(info.activityInfo.loadIcon(getPackageManager()));
return i;
}
public final int getCount(){
return mApps.size();
}
public final Object getItem(int position){
return mApps.get(position);
}
public final long getItemId(int position){
return position;
}
}
}
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