android:删除一个程序

 ib_uninstall.setOnClickListener(new OnClickListener() {
 
            public void onClick(View v) {
                int posi = (Integer) myview.getTag();
                ApplicationInfo appinfo;
                if (isAllapp){
                appinfo = appInfos.get(posi);
                }else {
                    appinfo= userAppInfos.get(posi);
                }
                String packname = appinfo.packageName;
                Intent intent = new Intent();
                intent.setAction(Intent.ACTION_DELETE);
                Uri data = Uri.parse("package:" + packname);
                intent.setData(data);
                startActivity(intent);
            }
        });