代码装配APK（全代码）

代码安装APK（全代码）
/*@author:LKP 
*company：mobiscloud
*2011-5-23
*/
public class InstallAPK extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

installFile(fileName);
}

private void installFile(String fileName){
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(android.content.Intent.ACTION_VIEW);
intent.setDataAndType(Uri.parse("file://"+"/sdcard/mario/"+fileName),"application/vnd.android.package-archive");
this.startActivity(intent);
}

}