filter

List View Filter Android

Add an EditText on top of your listview in its .xml layout file. And in your activity/fragment.. lv = (ListView) findViewById(R.id.list_view); inputSearch = (EditText) findViewById(R.id.inputSearch); // Adding items to listview adapter = new ArrayAdapter<String>(this, R.layout.list_item, R.id.product_name, products); lv.setAdapter(adapter); inputSearch.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence cs, int arg1, int arg2, int arg3) { // When … Read more

Filter rows which contain a certain string

The answer to the question was already posted by the @latemail in the comments above. You can use regular expressions for the second and subsequent arguments of filter like this: dplyr::filter(df, !grepl(“RTB”,TrackingPixel)) Since you have not provided the original data, I will add a toy example using the mtcars data set. Imagine you are only … Read more

How to dynamically update a ListView on Android [closed]

First, you need to create an XML layout that has both an EditText, and a ListView. <LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”fill_parent” android:layout_height=”fill_parent” android:orientation=”vertical” > <!– Pretty hint text, and maxLines –> <EditText android:id=”@+building_list/search_box” android:layout_width=”fill_parent” android:layout_height=”wrap_content” android:hint=”type to filter” android:inputType=”text” android:maxLines=”1″/> <!– Set height to 0, and let the weight param expand it –> <!– Note the use … Read more

Filter object properties by key in ES6

If you have a list of allowed values, you can easily retain them in an object using: const raw = { item1: { key: ‘sdfd’, value:’sdfd’ }, item2: { key: ‘sdfd’, value:’sdfd’ }, item3: { key: ‘sdfd’, value:’sdfd’ } }; const allowed = [‘item1’, ‘item3’]; const filtered = Object.keys(raw) .filter(key => allowed.includes(key)) .reduce((obj, key) => … Read more

How can I group data with an Angular filter?

You can use groupBy of angular.filter module. so you can do something like this: JS: $scope.players = [ {name: ‘Gene’, team: ‘alpha’}, {name: ‘George’, team: ‘beta’}, {name: ‘Steve’, team: ‘gamma’}, {name: ‘Paula’, team: ‘beta’}, {name: ‘Scruath’, team: ‘gamma’} ]; HTML: <ul ng-repeat=”(key, value) in players | groupBy: ‘team'”> Group name: {{ key }} <li ng-repeat=”player … Read more