public
class
MainActivity
extends
Activity
{
/**
* 行列间的延迟
* android:rowDelay="75%"
* android:columnDelay="60%"
*/
@Override
protected
void
onCreate(Bundle savedInstanceState)
{
super
.onCreate(savedInstanceState);
loadApps();
setContentView(R.layout.layout_animation_6);
GridView grid = (GridView) findViewById(R.id.grid);
grid.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
View getView(
int
position, View convertView, ViewGroup parent)
{
ImageView i =
new
ImageView(MainActivity.
this
);
ResolveInfo info = mApps.get(position % mApps.size());
i.setImageDrawable(info.activityInfo.loadIcon(getPackageManager()));
i.setScaleType(ImageView.ScaleType.FIT_CENTER);
final
int
w = (
int
) (
36
* getResources().getDisplayMetrics().density +
0
.5f);
i.setLayoutParams(
new
GridView.LayoutParams(w, w));
return
i;
}
public
final
int
getCount()
{
return
Math.min(
32
, mApps.size());
}
public
final
Object getItem(
int
position)
{
return
mApps.get(position % mApps.size());
}
public
final
long
getItemId(
int
position)
{
return
position;
}
}
}
