android-listview - w3toppers.com

How to manage dividers in a PreferenceFragment?

AndroidX makes it simple, but I wish it was better documented. In XML To add/remove dividers between preferences in XML, use the following attributes: <androidx.preference.PreferenceScreen xmlns:app=”http://schemas.android.com/apk/res-auto”> <Preference … app:allowDividerAbove=”true/false” app:allowDividerBelow=”true/false” … /> </androidx.preference.PreferenceScreen> Note, a divider will only be shown between two preferences if the top divider has allowDividerBelow set to true and the bottom … Read more

Showing the current selection in a listview

What Gmail and similar apps use is the activated state, with an appropriate row layout. See: Setting Android Background & Persistence Menu Bar – Using attribute on older versions causes crash – Is there a theme /pattern approach? Change colour of activated list item background on Honeycomb In a nutshell, you: Use a row layout … Read more

Custom Filtering ArrayAdapter in ListView

Your problem are this lines: this.original = items; this.fitems = items; Items is the list you use for your ListView and putting it in two different variables does not make two different lists out of it. You are only giving the list items two different names. You can use: this.fitems = new ArrayList(items); that should … Read more

How to make a ListView transparent in Android?

You should use the more verbose android:background=”@android:color/transparent” android:cacheColorHint=”@android:color/transparent” Updated with Jacky’s response. I originally merely meant to add to his answer, since he was using a plain hex color in the sample.

How to filter ListView using getFilter() in BaseAdapter

i hope this example could help you in the Main_Activity EditText etSearch; BaseAdapterFilterable adapter; etSearch.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start, int before, int count) { // Listview name of the class Listview.this.adapter.getFilter().filter(s); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { // TODO Auto-generated method stub } … Read more

Android: Autocomplete TextView Similar To The Facebook App

First make your EditText into a MultiAutoCompleteTextView. A MultiAutoCompleteTextView allows you to replace certain parts of the text, for example text after ‘@’. The you can do something like this: final MultiAutoCompleteTextView inputEditText = (MultiAutoCompleteTextView) dialog.findViewById(R.id.MyEditText); String[] COUNTRIES = new String[] { “Belgium”, “France”, “Italy”, “Germany”, “Spain” }; ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_dropdown_item_1line, COUNTRIES); … Read more

ListView selection remains persistent after exiting choice mode

The main reason for the problem is that once the ListView selection mode is switched to CHOICE_MODE_NONE, the framework optimizes out the clear operation as it is no longer supporting ‘selections’. I have improved the above workarounds a bit by clearing the selection state manually and then setting the mode in a delayed manner so … Read more

Navigation Drawer item background colour for selected item

To solve this problem: 1- You don’t need android:listSelector under your ListView. 2- Open (or Create) styles.xml under (res/values). <!– Base application theme. –> <style name=”AppTheme” parent=”Theme.AppCompat.Light.DarkActionBar”> <!– Customize your theme here. –> <item name=”android:activatedBackgroundIndicator”>@drawable/drawer_list_selector</item> </style> 3- Under res/drawable folder create drawer_list_selector.xml file <selector xmlns:android=”http://schemas.android.com/apk/res/android”> <item android:state_pressed=”true” android:drawable=”@drawable/light_gray_color” /> <item android:state_activated=”true” android:drawable=”@drawable/red_color” /> <item android:drawable=”@android:color/transparent” … Read more

ListFragment OnListItemClick not being called

If you have an item in your layout that can steal input from other components like a CheckBox, that component needs to be defined as not focusable.

Passing touch events to the parent view

Thank you everyone for answering the question. But I was able to figure it out in a much simpler manner. Since my ViewSwitcher wasn’t detecting the touch event, I intercepted the touch event, called the onTouchEvent() and returned false. Here: @Override public boolean onInterceptTouchEvent(MotionEvent ev) { onTouchEvent(ev); return false; } By overriding the onInterceptTouchEvent(), I … Read more