Unity打开其他安卓应用

    private void Start()
    {
        if (Application.platform == RuntimePlatform.Android)
        {
            OpenPackage("填写您要打开应用的包名！");
        }
    }

    private void OpenPackage(string pkgName)
    {
        using (AndroidJavaClass jcPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
        {
            using (AndroidJavaObject joActivity = jcPlayer.GetStatic<AndroidJavaObject>("currentActivity"))
            {
                using (AndroidJavaObject joPackageManager = joActivity.Call<AndroidJavaObject>("getPackageManager"))
                {
                    using (AndroidJavaObject joIntent = joPackageManager.Call<AndroidJavaObject>("getLaunchIntentForPackage", pkgName))
                    {
                        if (null != joIntent)
                        {
                            AndroidJavaObject joNIntent = joIntent.Call<AndroidJavaObject>("addFlags", joIntent.GetStatic<int>("FLAG_ACTIVITY_REORDER_TO_FRONT"));
                            joActivity.Call("startActivity", joNIntent);
                            joIntent.Dispose();
                        }
                        else
                        {
                            string msg = "Package <" + pkgName + "> not exsits on device.";
                            Debug.Log(msg);

                            using (AndroidJavaClass jT = new AndroidJavaClass("android.widget.Toast"))
                            {
                                using (AndroidJavaObject jMsg = new AndroidJavaObject("java.lang.String", msg))
                                {
                                    using (AndroidJavaObject jC = joActivity.Call<AndroidJavaObject>("getApplicationContext"))
                                    {
                                        int length = jT.GetStatic<int>("LENGTH_SHORT");
                                        using (AndroidJavaObject toast = jT.CallStatic<AndroidJavaObject>("makeText", jC, jMsg, length))
                                        {
                                            toast.Call("show");
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }