android-spinner

问题 There are 4 Spinnners: resiko,untung1,untung2,untung3 The user picks resiko spinner first to proceed and the app will show which Spinner will be visible (untung1/untung2/untung3) strings.xml <string-array name="spinner_resiko_string"> <item>--Pilih--</item> <item>Sangat Rendah</item> <item>Rendah</item> <item>Sedang</item> <item>Tinggi</item> </string-array> <string-array name="spinner_return_string"> <item>--Pilih--</item> <item>Rendah</item> </string-array> <string-array name="spinner

问题 I am developing an understanding of data instantiation as it applies to the ActionBar using tabs and fragments. The below code causes the following two errors, 1) "The method replace(int, Fragment, String) in the type FragmentTransaction is not applicable for the arguments (int, Tab1Fragment, String)" at getSupportFragmentManager().beginTransaction().replace(android.R.id.content, Tab1,"Tab1Fragment_TAG").commit(); and, 2) "Cannot cast from Fragment to Tab1Fragment" at Tab1Fragment Tab1 =

问题 I am developing an understanding of data instantiation as it applies to the ActionBar using tabs and fragments. The below code causes the following two errors, 1) "The method replace(int, Fragment, String) in the type FragmentTransaction is not applicable for the arguments (int, Tab1Fragment, String)" at getSupportFragmentManager().beginTransaction().replace(android.R.id.content, Tab1,"Tab1Fragment_TAG").commit(); and, 2) "Cannot cast from Fragment to Tab1Fragment" at Tab1Fragment Tab1 =

问题 How can I get spinner1's position inside of spinner2's onItemSelected listener so that I can convert to a string and parse for a calculation? I am currently attempting to call adapterSpinner2.getItemAtPosition() inside of spinner1 but am getting an: Invalid float: "" logcat error. on the line where I am trying to call adapterSpinner2. I know that my array that I am calling is all numbers, so it should not be simply an empty field error. My parse of spinner1 inside of spinner1's onItemSelected

问题 I'm trying to change the layout of my activity according to my selection inside the spinner. But after the first selection, the spinner become white and I'm not able to decide another selection. The code I'm using is the following: public class MainActivity extends Activity implements OnItemSelectedListener { Spinner spinner; String[] options = { "Modulo1", "Modulo2" }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout

问题 im new here, sorry if i doing something idiot question, for the Issues i already create an app like that below, and all the value in the spinner obtained by JSON in this link and this happens when the application running, Spinner but i want to set if someone choose "ardie halim" the 2nd spinner just show "mobile developer", and if someone choose "indah" the 2nd spinner showing "database oracle", and so on i tried to find the tutorial from go*gle, but i dunno what the right keyword to find out

问题 hey guys i want to set my spinner default text in top like Select Category but it shown last when i fetch data from data base i want to set this text on top of then items my code is private void loadSpinnerData() { SocialDataBase db = new SocialDataBase(getApplicationContext()); ArrayList<String> lables = db.getAllLabels(); lables.add("Select Category"); ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this, R.layout.spinner_text, lables); dataAdapter .setDropDownViewResource(R

问题 I have put an app compact spinner in my application. I am unable to see the selected text(I think this is because the colour of the selected text becomes white, i.e same as the background colour). I am able to see the text in the dropdown. support-design - 23.3.0 minSdkVersion: 15 targetSdkVersion 23 My Spinner code <android.support.v7.widget.AppCompatSpinner android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/university_spinner"> </android.support.v7

问题 I made an array list in one of my value's folder, now when i want to adapt it to the spinner by retrieving it from the source folder it says NullPointerException : spinner = (Spinner) findViewById(R.id.spinner); ArrayAdapter adapter = ArrayAdapter.createFromResource(this,R.array.worker,android.R.layout.simple_list_item_1); spinner.setAdapter(adapter); spinner.setOnItemSelectedListener(this); Messages in LogCat: Caused by: android.content.res.Resources$NotFoundException: String array resource

问题 I'm having some trouble casting a Menu Item in xml to a Spinner (actionbar compat) . I've tried a couple of options, like these Spinner as MenuItem not initialized by findViewById or Adding spinner to ActionBar (not Navigation , but spinner = (Spinner)item.getActionView(); keeps coming back as null. Setting up a new spinner works though, but that's probably not relevant to my problem. Code: @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater();