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How to pass data between activities with android Serializable

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 2K+ Views

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 ...

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How can I add items to a spinner in Android?

George John
George John
Updated on 30-Jul-2019 9K+ Views

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 ...

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How many types of intent are in Android?

Ankith Reddy
Ankith Reddy
Updated on 30-Jul-2019 20K+ Views

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 ...

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What is an Intent in Android?

George John
George John
Updated on 30-Jul-2019 14K+ Views

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 ...

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Background ListView becomes black when scrolling in Android?

Arjun Thakur
Arjun Thakur
Updated on 30-Jul-2019 361 Views

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. ...

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How to create a custom listview in android?

Ankith Reddy
Ankith Reddy
Updated on 30-Jul-2019 4K+ Views

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 ...

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How to display a list of images and text in a ListView in Android?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 6K+ Views

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 ...

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Can someone give one exact example of webview implementation in android

Arjun Thakur
Arjun Thakur
Updated on 30-Jul-2019 349 Views

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 ...

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Enhancing your logging experience with Timber in Android

Ankith Reddy
Ankith Reddy
Updated on 30-Jul-2019 474 Views

Timber library is a extended library of android Log's. While developing android applications, most of developers prefer Android Logs. But here problem is about clean logs while deploy android project. To avoid this process using Timber library.This example demonstrate about how to integrate Timber 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 Timber library in build.gradle as shown belowapply plugin: 'com.android.application' android {    compileSdkVersion 28    defaultConfig {       applicationId "com.example.andy.myapplication"       ...

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How to create custom actionbar in android?

Chandu yadav
Chandu yadav
Updated on 30-Jul-2019 4K+ Views

Before getting into example we should know what is action bar in android. Action bar just like header in android. Either we can use same action bar for all screen or we can change action bar for particular activity.This example demonstrate about how to create a custom action bar 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 2 − Add the following code to src/MainActivity.javaimport android.os.Bundle; import android.support.v7.app.ActionBar; import ...

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