/**
* 分享APP
* @param packageName:要分享的应用程序包名

*/

private void sharedApp(String packageName) {        Intent shareIntent = new Intent();        shareIntent.setAction(Intent.ACTION_SEND);        shareIntent.setType("text/plain");        // 需要指定意图的数据类型        shareIntent.putExtra(Intent.EXTRA_SUBJECT, "分享");        shareIntent.putExtra(Intent.EXTRA_TEXT,                "推荐你使用一个程序" + packageName);        shareIntent = Intent.createChooser(shareIntent, "分享");        startActivity(shareIntent);    }

/** * 运行应用程序 */    private void runApp() {        try {            PackageInfo info = getPackageManager().getPackageInfo(                    packname,                    PackageManager.GET_UNINSTALLED_PACKAGES                            | PackageManager.GET_ACTIVITIES);            ActivityInfo[] activityinfos = info.activities;            if (activityinfos.length > 0) {                ActivityInfo startActivity = activityinfos[0];                Intent intent = new Intent();                intent.setClassName(packname, startActivity.name);                Log.i("fuyn", "Liuliangbao:"+packname);                startActivity(intent);            } else {                Toast.makeText(this, "当前应用程序无法启动", 0).show();            }        } catch (Exception e) {            Toast.makeText(this, "应用程序无法启动", 0).show();            e.printStackTrace();        }    }

    /**     * 卸载应用     * @param packname 应用程序包名     */    private void uninstallApp(String packname) {        // 需求不能卸载系统的应用程序        if (item.isSystemApp()) {            Toast.makeText(this, "系统应用不能被删除", 0).show();        } else {            Log.i(TAG, "卸载" + packname);            String uristr = "package:" + packname;            Uri uri = Uri.parse(uristr);            Intent deleteIntent = new Intent();            deleteIntent.setAction(Intent.ACTION_DELETE);            deleteIntent.setData(uri);            startActivityForResult(deleteIntent, 0);        }    }