android-spinner

问题 I use immersive-sticky mode to hide the navigation bar and action bar: @TargetApi(19) private void setImmersiveMode() { if (Build.VERSION.SDK_INT >= 19) { View decorView = getWindow().getDecorView(); int uiOptions = getImmersiveUiOptions(decorView); decorView.setSystemUiVisibility(uiOptions); ActionBar actionBar = getActionBar(); if (null!=actionBar) { actionBar.hide(); } } } When a Spinner is touched, the navigationBar is shown and immersive mode is disabled. This solution works for Dialogs:

问题 I'm trying to create a spinner with default empty selected item, but it displays the first item from the choices of spinner. If I add null value to my string, which is the source of choices in spinner, then after opening spinner that empty row is displayed. How should I do it? Here's code I'm using: String[] ch = {"Session1", "Session2", "Session3"}; Spinner sp = (Spinner)findViewById(R.id.spinner1); TextView sess_name = findViewById(R.id.sessname); ArrayAdapter<String> adapter = new

问题 I'm trying to create a spinner with default empty selected item, but it displays the first item from the choices of spinner. If I add null value to my string, which is the source of choices in spinner, then after opening spinner that empty row is displayed. How should I do it? Here's code I'm using: String[] ch = {"Session1", "Session2", "Session3"}; Spinner sp = (Spinner)findViewById(R.id.spinner1); TextView sess_name = findViewById(R.id.sessname); ArrayAdapter<String> adapter = new

问题 I'm trying to create a spinner with some background color and dropdownicon.But whenever i'm applying the background color the dropdown icon disappers.So how to have Spinner with dropdown icon & with different background color. Please have a look on the xml that i'm trying below: Expected OutPut: Getting (without drop down icon) Background removed then i'm getting the following output: <android.support.v7.widget.CardView android:layout_width="match_parent" android:layout_height="0dp" android

问题 I want to implement two different spinner in Android, the spinner have different data set This is the spinner with the age, that uses a defined String array with all age ranges (es 18-20 , 19-21 etc.) <Spinner android:id="@+id/spAge" android:layout_width="match_parent" android:layout_height="35dp" android:entries="@array/age_array" tools:listitem="@android:layout/simple_spinner_item/> And this is the spinner with the sex, that show only the two items Male and Female <Spinner android:id="@+id

问题 I'm using spinner controls in an Android application, and I handle user selections via an onItemSelectedListener() method. This seems to work okay when a different selection from the current one is made. I would like, under certain conditions to reset all spinners to default values and ensure that onItemSelectedListener() is called for all. Is it part of Android's semantics that onItemSelectedListener() is only called when user selection changes. Is there a way to force onItemSelectedListener

问题 I have a question about selecting items in Spinners with Espresso. Or to be more exact: The selection works, but after that the view assertions fail because the spinner is still open. Let's say I have a really simple activity that contains a spinner and a textview that shows the selection, like this: Now, I wrote an Espresso test that selects 'dogs' and verifies the textview is updated accordingly: @Test public void selectDogs() throws Exception { onData(allOf(is(instanceOf(String.class)), is

问题 But i am not able to find the solution for this. I know this may be asked before. But it is really different from other issues. I am trying to implement one spinner on a stack cards. I have one set of cards , Each cards contains some tasks. In one of my card contains one spinner. I have successfully created the spinner and spinner items are generated from database only. The spinner items are showed without any fail.Here the spinner is to ask gender . IE male and female. my list is [MALE,

问题 But i am not able to find the solution for this. I know this may be asked before. But it is really different from other issues. I am trying to implement one spinner on a stack cards. I have one set of cards , Each cards contains some tasks. In one of my card contains one spinner. I have successfully created the spinner and spinner items are generated from database only. The spinner items are showed without any fail.Here the spinner is to ask gender . IE male and female. my list is [MALE,

问题 Using shared prefernences to save String but having difficulty saving my spinner. public class MainActivity extends Activity { Spinner spnExample; Button btnSave; ArrayAdapter<CharSequence> adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button btnSave = (Button) findViewById(R.id.btnSave); SharedPreferences prefs; loadData(); spnExample = (Spinner) findViewById(R.id.spnExample); adapter =