Question

功能：

创建了警报对话框方法以通知用户帐户的状态，因此，当用户远程注销时，将弹出对话框。此外，应用程序中有4个活动;因此，当记录帐户时，当用户决定导航到下一个活动时，将弹出对话框。然后，对话框弹出窗口将在确认后将用户导航回登录页面。

问题：

当用户帐户注销后，警报对话框不会弹出，注销bttn已更改为登录并且已清除共享首选项凭据。它仍然允许用户在应用程序中导航，应用程序将在延迟的时间段后显示。

代码和建议出了什么问题？

代码

//Build an AlertDialog to notify user on Session Logout status
static Builder alertDialog(final Activity act,final Intent yourintent){
    Log.i("RootActivity:alertDialog","******Session Logout Info******");
    AlertDialog.Builder alertDialog = new AlertDialog.Builder(act);
    alertDialog.setTitle("Sign In For Spacetobe Services");
    alertDialog.setMessage("For security reasons, you have been automatically logged out after 20 minutes of inactivity." +
            "To access Spacetobe services, please sign in again.");
    alertDialog.setCancelable(false);
    //SETTING OF OK BUTTON
    alertDialog.setPositiveButton("OK", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int which) {
            //Intent yourintent = new Intent(Intent.ACTION_VIEW);
            //yourintent.setFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
            act.startActivity(yourintent);//Return page to PROPERTYACTIVITY
            }
   }); return alertDialog;
}

//LOGOUT METHOD & CLEARING OF SHARED PREFERENCE CREDENTIALS
public void IdleLogout(){
    Log.i("RootActivity:IdleLogout()","******APP LOGGEDOUT******");

    //SharedPreference method cleared
    Log.i("RootActivity:IdleLogout()","******loginButton is set******");
    setloginButton();   // Change logout button to login
    checkTimeout=true; // Global timeout is true
 //RootActivity.alertDialog(this,getCustomIntent(PropertyActivity.class)).create().show();
}

//EDITED VERSION TO GET LOGOUT DIALOG WHEN USER TRIES TO NAVIGATE TO OTHER ACTIVITY BY BACK BTTN WHEN LOGGED OUT
@Override
public void onBackPressed(){

    Log.i("RootActivity:onBackPreseed()","******Back bttn has been selected******");

    if (checkTimeout==true){
        Log.i("RootActivity:onCreate(Bundle savedInstanceState)","******Timeout=true******");
        RootActivity.alertDialog(this,getCustomIntent(PropertyActivity.class)).create().show();
        checkTimeout = false;
    }return;
}
//END OF EDITED VERSION TO GET LOGOUT DIALOG WHEN USER TRIES TO NAVIGATE TO OTHER ACTIVITY BY BACK BTTN WHEN LOGGED OUT

// For each new individual activity
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    context = this;

    //EDITED VERSION TO GET START TIME FOR EACH USER INTERACTION WITH THE ACTIVITY
    startTime=System.currentTimeMillis();
    Log.i("RootActivity:onCreate(Bundle savedInstanceState)","******startTime=******"+startTime);
    //END OF EDITED VERSION TO GET START TIME FOR EACH USER INTERACTION WITH THE ACTIVITY

    //EDITED VERSION TO GET LOGOUT DIALOG WHEN USER TRIES TO NAVIGATE TO OTHER ACTIVITY WHEN LOGGED OUT
    if (checkTimeout==true){
        Log.i("RootActivity:onCreate(Bundle savedInstanceState)","******Timeout=true******");
        RootActivity.alertDialog(this,getCustomIntent(PropertyActivity.class)).create().show();
        checkTimeout = false;
    }return;
    //END OF EDITED VERSION TO GET LOGOUT DIALOG WHEN USER TRIES TO NAVIGATE TO OTHER ACTIVITY WHEN LOGGED OUT
}

Answer 1

将对话框代码移动到onResume（）方法，此时，活动可见。

AlertDialog未在其他活动中显示

1 个答案: