Programming Articles - Page 2977 of 3363

Before getting into webview implementation we should know what is webview. Webview is a extended of a view and it is used to show HTML content or web pages.Methods are available in webview.clearHistory() − it is used to clear webview historydestroy() − It is used to destroy internal state of webview.getUrl() −it is used to return current webview url.getTitle() − It is used to return current webview tittle.canGoBack() − It indicates about current webview has back history items.Using webview, it opens webview content in default android browsers. If you want to open inside of application. ShouldOverrideUrlLoading as shown below.private class ... Read More

Before getting into listview example, we should know about listview, Listview is a collection of items pulled from arraylist, list or any databases. Most uses of listview is a collection of items in vertical format, we can scroll up/down and click on any item.This example demonstrate about How to make a ListView in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     In the above activity_main.xml, we have declared a ... Read More

Before getting into listview example, we should know about listview, Listview is a collection of items pulled from arraylist, list or any databases. Most uses of listview is a collection of items in vertical format, we can scroll up/down and click on any item.What is custom listview?Custom listview works based on customAdapter. In this custom adapter we can pass custom object. We are passing subject data to listview as shown below.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the ... Read More

Before getting into listview example, we should know about listview, Listview is a collection of items pulled from arraylist, list or any databases. Most uses of listview is a collection of items in vertical format, we can scroll up/down and click on any item.What is custom listview?Custom listview works based on customAdapter. In this custom adapter we can pass custom object. We are passing subject data to listview as shown below −Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add ... Read More

Before getting into listview example, we should know about listview, Listview is a collection of items pulled from arraylist, list or any databases. Most uses of listview is a collection of items in vertical format, we can scroll up/down and click on any item. Here is the simple solution to avoid Background ListView becomes black when scrolling. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main.xml. ... Read More

An intent is to perform an action on the screen. It is mostly used to start activity, send broadcast receiver, start services and send message between two activities. There are two intents available in android as Implicit Intents and Explicit Intents. Here is a sample example to start new activity with old activity.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. (First Activity layout)     Step 3 − Create a new ... Read More

Before getting into types of intent, we should know what is an intent?. Intent is to perform an action. It is mostly used to start activity, send broadcast receiver, start services and send message between two activities. There are two intents available in android as Implicit Intents and Explicit Intents.Explicit Intent − It going to connect the internal world of an application such as start activity or send data between two activities. To start new activity we have to create Intent object and pass source activity and destination activity as shown below −Intent send = new Intent(MainActivity.this, SecondActivity.class); startActivity(send);And we ... Read More

Spinner is just like a drop down button, using this button we can select a item from set of items. This example demonstrate about how to add items to a spinner in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     Step 3 − Add the following code to src/MainActivity.java.import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.MotionEvent; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.Toast; import java.util.ArrayList; public class MainActivity ... Read More

Using serialization, we can pass object's state or array between two activities. Before getting into the code, we should know about serialization and how does it work with intent in android.Serialization is a marker interface. Using serialization, we can convert state of an object into a byte stream. The byte stream is a platform independent, so it's going to work on the JVM and other platforms. Here is the example to send an object between two activities.Step 1 − Create a new project in Android Studio, Go to File ⇒ New Project and fill all required details to create a ... Read More

The usleep() function delays execution of the current script for few microseconds.Syntaxusleep(msec)Parametersmsec − The number of microseconds to delay the script.ReturnThe usleep() function returns nothing.Example Live DemoOutputThe following is the output.03:06:08 03:06:10 03:06:15