sharedpreferences

问题 The app is a University APP, My application contains two buttons in mainactivity(calicutuniversity and mguniversity ), if we click on a button then it goes to the corresponding activity and saves that activity as the default for further application usage. Now i need to try some more ideas into my application. I think you guys can help me for that. I need to.....👇🏻 * when we selects the university from the mainactivity and it goes to the corresponding activity. So if we need to change the

问题 I have two activities in my app. First activity SplashScreen and other SplashActivity . I have sharedPreferences in SplashScreen but i want to set value of this true in SplashActivity . I think If it is possible to create a method in SplashActivity which run only once i.e this method compare the boolean value of SplashScreen (like this is false at start). After first run its set to true forever and this method is skipped. I've tried a lot to do this but not successful. SplashScreen- public

问题 Hi i want to maintain some sessions in my application. May i use shared preference to maintain it? I not then plz suggest me the proper way with the simple example. 回答1: Maybe you should make use of server to maintain sessions . Because as you have suggested here, using shared preference, you are leaving the option of clearing the preferences from memory to the user. So in this case if the user clears your app data, then your concept of sessions fails. 回答2: Yes, you can use the shared

问题 I want to get the longitude and latitude co-ordinates of a location and save in a ArrayList, then commit this list to SharedPreference file so when the Map loads all previous locations could be set with a marker using data from the SharedPreference file. I only know realise that SharedPreference will only store primitive data types and not arrays. My question does is anybody know of a way to persist this data either via shared pref technique or by any alternate means? Any input appreciated.

问题 I try to save the toggle state in my application.Here is my code boolean on; public SharedPreferences spref; ToggleButton tb; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.fb_intermidiate); spref = getPreferences(MODE_PRIVATE); tb = (ToggleButton) findViewById(R.id.toggleButton1); on = spref.getBoolean("On", true); //default is true if (on = true) { tb.setChecked(true); } else { tb

问题 Is there a place where es6 modules (jspm/system.js & babel) can share data with each other (not window):? Ex: I have a parser module for http query strings. I use it at startup to choose which program to run (one html file running many programs). I also use it in the selected program to get flag values for running it. Example: triangles or squares, what number of them, world coord system ... etc. How do I share the result of the query string parse between the startup module and the various

问题 I am trying to get and update the data which I stored in sharedpreferences xml file from a non-activity class.But I dont know how to reach the data stored in sharedPreferences from a non-activity class in android.In my activiy class i can store data in sharedprefences and i also can retrive these data in my activiy class. However i can not retrive these data from a non-activiy class. My code is below.Thank you... mSharedPrefs = getSharedPreferences("storageforfavorite", 0); mPrefsEditor =

问题 I have a listview of ringtones .. I feed the list via mysql database.. (such as song names,song urls ...). I dynamically add products(ringtones) in my listview by adding new item in my database, so none of this data are inside my app except row icons. This is the view As you can see I have a bookmark border icon that when user clicks on it, it will turn into selected...This is how it works : @Override public void favOnClick(int position) { Product product = productList.get(position); if

问题 In my current application the onResume function is triggered when I load an Activity for the first time . I looked into the Activity Lifecycle, but I didn't find a way to prevent this from happening. Can I prevent the onResume() function from loading when an Activity is loaded for the first time, without using SharedPreferences? 回答1: Firstly, as RvdK says, you should not modify the Android Activity lifecycle, you probably have to re-design your activity behavior in order to be compliant with

问题 I have a Login page, so for that I am using SharedPreferences . I am trying to save values. Without values, it shouldn't go to the another Activity for that I have given this in Login page: if((spf != null) && (spv !=null) && (et1v != null) && (et2v != null) && (et3v != null) && (sp != null) && (et1 != null) && (et2 != null) && (et3 != null)){ finish(); Intent i = new Intent(Login.this,Welcome.class); startActivity(i); } else{ btn1.setOnClickListener( new View.OnClickListener() { @Override