So I'm trying to make a program which shows you a word and if you click the button, it shows its definition. And first, I'm trying to make it work by adding the word/definition using getSharedPrefrences
private void savePrefrences(){
SharedPreferences pref = getSharedPreferences("pref", MODE_PRIVATE);
SharedPreferences.Editor editor = pref.edit();
editor.putString("", "");
editor.commit();
}
, but you need key name in the editor.putString("Key name Here","word/definition here")to store the thing inside the key. But I don't know how to generate random amount of key names.
HELP ME FAST!!
Related
I have an activity which receives an intent with a putExtra from other activity.
And I want to create a SharedPreference each time the activity receives the putExtra value, in this case a String so I can show all the Strings stored and show in a TextView without loosing the previous String shown.
tvTextView = (TextView)findViewById(R.id.tvTextView);
Bundle extras = getIntent().getExtras();
linearLayout = (LinearLayout)findViewById(R.id.linearLayout);
if (extras != null) {
newNote = extras.getString("Note");
Button noteButton = new Button(this);
noteButton.setText(newNote);
linearLayout.addView(noteButton);
// and get whatever type user account id is
SharedPreferences prefs = getSharedPreferences("MisPreferencias",getApplication().MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
editor.putString("newNote", note);
editor.commit();
String note = prefs.getString("newNote", "Welcome");
tvDiario.setText(note);
This is my code but it only saves the last string I want to show a string and then when I get a different String from intent show it but keep showing the previous, as a story. I need to edit the SharedPreference with different values each time the activity receive the putExtra data.
I don't think you fully understand SharedPreferences; it's a key-value data storage. By calling:
editor.putString("newNote", note);
you always override your saved value under the newNote key by new value note. editor.putString does not append your new data to your stored data, it rewrites the data.
The solution: you need to get your stored data first, append new data to those stored data, and store the updated data. Try:
newNote = extras.getString("Note");
...
SharedPreferences prefs = getSharedPreferences("MisPreferencias", getApplication().MODE_PRIVATE);
String storedNotes = prefs.getString("notes", "");
SharedPreferences.Editor editor = prefs.edit();
editor.putString("notes", storedNotes + newNote + "\n");
editor.commit();
String notes = prefs.getString("notes", "");
tvDiario.setText(notes);
I exchanged your newNote key by notes to better describe what is actually stored. I also recommend to read on documentation of Editor.putString and SharedPreferences.getString, I feel like you don't have a clear idea of the interface yet.
I have a custom screen with a multiple custom selectors, which change what they select based on dropdown lists.
The solution I implemented is shown in a previous case:
Dynamically changing PXSelector in Acumatica (thanks).
My challenge is twofold:
1.) If the dropdown selection is "No Lookup", then I want the PXSelector Attribute to essentially be removed - leaving just a text entry. Not sure if this is even possible...
2.) If one of the selectors (let's say Projects) is selected, I'd like the selection of the following selector (let's say Tasks) to filter based on the Project selected.
Thanks much...
1) I think the only way to do this is to create your own attribute.
Something like that:
public class PXSelectorTextEditAttribute : PXSelectorAttribute
{
bool selectorMode;
public PXSelectorTextEditAttribute(Type type, bool selectorOn):base(type)
{
selectorMode = selectorOn;
}
public override void FieldVerifying(PXCache sender, PXFieldVerifyingEventArgs e)
{
if(selectorMode)
base.FieldVerifying(sender, e);
}
public static void SwitchSelectorMode(PXSelectorTextEditAttribute attribute, bool onOff)
{
attribute.selectorMode = onOff;
}
}
You will be able to turn on and off the 'selector' part of the attribute. With the field verifying turned off you will be able to put any value to the field just like in simple TextEdit field. However, the lookup button in the right end of the field still will be visible. I have no idea how to hide it.
2) This behavior can be implemented easily. You will need something like that(example based on cashaccount):
[PXSelector(typeof(Search<CABankTran.tranID, Where<CABankTran.cashAccountID, Equal<Current<Filter.cashAccountID>>>>))]
If you want to see all records when the cashaccount is not defined then you just modify the where clause by adding Or<Current<Filter.cashAccountID>, isNull>
Also don't forget to add AutoRefresh="true" to the PXSelector in the aspx. Without it your selector will keep the list of the records untill you press refresh inside of it.
Below is the code i am running with all other.. Its running perfectly adn its showing all the desired locations on map.
But what i want now is to store all the marked locations in such a way that i can show them as a list on a new page.
I am not able to retrieve the resulted location from map in the form of some string or may be something else which can be displayed as a list ...
private void Button_Click_3(object sender, RoutedEventArgs e)
{
MapsTask mapsTask = new MapsTask();
string search = "Coffee";
mapsTask.SearchTerm = search;
mapsTask.ZoomLevel = 2;
mapsTask.Show(); }
The MapsTask does not return any information.
If you're looking to get Points of Interest for a given location, you may have to use an external service such as the HERE Places API.
I want to program some kind of game where the player has to name loacations shown on a map. I am using the slick library.
My problem is that I need some way to get the keyboard input from the player. I tried it with InputDialog from JOptionPane but I do not really like it. I would rather have the string appear on some part of the screen. But I do not have any idea how I can read from the keyboard directly into a variable that should be drawn on the screen. I thought that it would be possible to use streams but if I try to get some examples, they are always about reading from files and I do not know how to use that for reading from keyboard.
String answer;
public void render(GameContainer gameContainer, StateBasedGame sbGame, Graphics g){
g.drawString(answer, 50, 50);
}
public void update(GameContainer gameContainer, StateBasedGame sbGame, int delta){
//user types something which I now call "inputFromUser"
//it does not appear anywhere before the string is drawn on the screen.
answer = inputFromUser;
}
Something like a Scanner does not work for me because the user has to type that into the console, and I want him to type it "directly into the game" like it works with a textfield. (But I do not want to use a textfield.)
I have one way to accomplish that but it's fairly resource intensive. First create a global variable to keep track of the current letters. now create a new method that runs through all of the keys to check if they are down
private String totalString;
private void handelUserInput(Input input){
if(input.isKeyDown(Input.KEY_BACK)){
totalString = totalString.substring(0, totalString.length() - 1);
}
if(input.isKeyDown(Input.KEY_A)){
totalString += "a";
}
if(input.isKeyDown(Input.KEY_B)){
totalString += "b";
}
...etc
}
next create an input handler in the update loop to pass into the handle input method.
public void update(GameContainer gc, StateBasedGame sbg, int delta)throws SlickException {
Input input = gc.getInput();
handelUserInput(input);
}
and then print the string somewhere on your window in the render loop. by the way the Input class is built into slick.
I am attempting to have a single button process multiple inputs in the same input boxes. I have 16 input boxes, each with its own id# (YfProduct) which I am using as the key for my hashmap. For the input value, I have Weight. A user will enter in whatever double weight they want, in however many input boxes they wish, and click a button (an a4j:commandButton) which activates the method below.
private HashMap<Integer, Double> storeWeight = new HashMap<Integer, Double>();
public void storeWeight(Yieldfl yieldfl){
for (YieldItem row : yielditem) {
storeWeight.put(row.getYfProduct(), row.getWeight());
System.out.print(storeWeigt)}
}
Right now this code will set the appropriate values with the right key, and replace those values with new input entered and another button click. However what I am trying to do is have the bean save the previous values, and sum up the next values entered with the previous entry(s) that have the same key. So at the end of the user's input, the HashMap will contain 16 keys with the sum of the individual values added up for each key. I havn't been able to come up with a way to do this without some serious hardcoding. Help much appreciated.
So this actually turned out to be a simple fix, I'll put the solution on here just incase somebody runs into a similar problem. It's my first time working with a HashMap so I had a colleague help me out. I needed the value to call the key.
storeWeight.put(row.getYfProduct(), storeWeight.get(row.getYfProduct() + (row.getWeight()));
and to avoid null-pointers:
public void storeWeight(Yieldfl yieldfl){
for (YieldItem row : yielditem) {
Double oldValue = storeWeight.get(row.getYfProduct());
if (oldValue == null)
oldValue = 0.0;
storeWeight.put(row.getYfProduct(), oldValue + (row.getWeight()));
row.setWeight(0.0);
System.out.print(storeWeight);}
}