first of all add both items in list using following code: list.add(model(name, roomid)); Also create a model class for RoomModel like this: public class RoomModel { public String name, id, image, description; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getId() { return id; } … Read more
ArrayMap keeps its mappings in an array data structure — an integer array of hash codes for each item, and an Object array of the key -> value pairs. Where ArrayList is a List. Resizable-array implementation of the List interface. Implements all optional list operations, and permits all elements, including null. FYI ArrayMap is a … Read more
Scanner sc = new Scanner(System.in); int i = sc.nextInt(); // for integer value byte by = sc.nextByte(); // for Byte value String s = sc.nextLine(); // for String value You can find other method of Scanner class .Scanner class Method solved How to use java.util.scanner in android and java? [closed]
startActivity() is a method on Context, so you can call it on any object that is of a class that inherits from Context. Frequently, we call startActivity() on an existing Activity. For example, here we have an Activity that calls startActivity() on itself to start up another activity: /*** Copyright (c) 2012 CommonsWare, LLC Licensed … Read more
To provide an API means that you are providing a(n) server-side endpoint that your application, or a programmer, can hit with some sort of request (typically a HTTP request). How you implement that is up to you. Most people these days try to provide some sort of HTTP endpoint that has a well-structured URL scheme … Read more
You can use “Apk analyser” feature of Android studio. Best and easy way to start using Apk analyser is, just drag and drop your apk over android studio home screen and it will show you size being occupied by each of the things going in apk. Another way of opening apk analyser is by Build … Read more
From Google Play Terms of Service Limits on access on Devices. Google may from time to time place limits on the number of Devices and/or software applications you may use to access Content (for more information, please visit the Help link for the relevant Content within Google Play). Google may record and store the unique … Read more
You called these functions in onCreate function. You should put theme in a button’s listener button.setOnClickListener(new View.OnClickListener { @Override private void onClick(View view){ // get text from EditText // put text to SharedPreferences } }); When application started, there is nothing in your EditText. 0 solved How to pass EditText value in SharedPreferences
Your response looks like JSON, so for json response in result; JSONObject lsubObject= new JSONObject(result); String MaCID =lsubObject.getString(“MaCID”); solved Extracting strings out of a String response [duplicate]
Create Kotlin file, e.g. named Utils; Move function to that file, and add Context parameter: fun checkConnectivity(ctx: Context): Boolean { val cm = ctx.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager val activeNetwork =cm.activeNetworkInfo return activeNetwork != null && activeNetwork.isConnectedOrConnecting } If you intend to use it only in Activity you can create extension function without Context parameter: fun Activity.checkConnectivity(): … Read more
The function for onClick attribute in XML has to be something like, public void yourFunction (View view) { //Your code } Since you didn’t add View as the argument of your function, your layout is never going to get to it, hence when you click on your button, the app crashes. You also need to … Read more
I would suggest you to name all similar files with the same name. Take full advantage of the qualifiers provided by Android like the size, or the set width qualifier. You may have a single pane layout for small screen phones and multi pane layout for tablets. It’s a good advice to provide multi pane … Read more
If we can guarantee that the String to parse is always defined in a canonical way, so that is defined as lat+long ALWAYS, then using regex will be the easiest way: Example: String latLong = “lat/lng: (55.94569390835889,-3.190410055779333)”; Pattern patte = Pattern.compile(“-?[0-9]+(?:.[0-9]+)?”); Matcher matcher = patte.matcher(latLong); while (matcher.find()) { System.out.println(Double.parseDouble(matcher.group())); } solved Splitting a String which … Read more
After creating a new keystore, will I have to generate new keys for Google Maps and Facebook by pointing to the newly generated keystore? Case 1 If you are using the debug.keystore and signing the build from debug.keystore then you will see that hashkey will change if you sign the same application from another system … Read more
I do it this way for Android 2.2 Froyo release: basically use eclipse to create a class like: public class SomePickContactName extends Activity then insert this code. Remember to add the private class variables and CONSTANTS referenced in my version of the code: protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Intent intentContact = new Intent(Intent.ACTION_PICK, ContactsContract.Contacts.CONTENT_URI); … Read more