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Android Articles
Page 119 of 125
How to update RecyclerView Adapter Data in Android?
Before getting into example, we should know what is Recycler view in android. Recycler view is more advanced version of list view and it works based on View holder design pattern. Using recycler view we can show grids and list of items.This example demonstrate about how to update Recycler View adapter by creating a beautiful student records app that displays student name with age.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 − Open build.gradle and add Recycler view & Card view ...
Read MoreHow to create Animated Gradient Background in android.
Before getting into example, we should know what is Gradient color. According to Wikipedia, In computer graphics, a color gradient (sometimes called a color ramp or color progression) specifies a range of position-dependent colors, usually used to fill a region. For example, many window managers allow the screen background to be specified as a gradient.This example demonstrate about how to create Animated Gradient Background 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. ...
Read MoreHow to integrate Android Speech To Text?
Android supports Google inbuilt text to speak API using RecognizerIntent.ACTION_RECOGNIZE_SPEECH. In this example demonstrate about how to integrate Android speech to text.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 this above code we have created one text view and image view. When user click on image view, it will call Google speech to text API and added text to text ...
Read MoreHow to implement Android TextInputLayout
Before getting into example, we should know what is TextInputLayout in android. TextInputLayout is extended by Linear Layout. It going to act as a wrapper for edit text and shows flatting hint animation for edit text.This example demonstrate about how to implement Android TextInputLayout.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 code ...
Read MoreHow to switch between hide and view password in Android
There are so many cases, it required to show password while entering password or after entered password. This example demonstrate about How to switch between hide and view password.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 code we have given two TextInputEditText ...
Read MoreAndroid AsyncTasks Parallel Execution
Before getting into the example, We should know that, What is asyncTask. AsyncTask is going to do operations/actions in background thread and update on mainthread. Here is the simple solution about Android AsyncTask Parallel Execution.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 code we have declare two imageviews and one button, When user click on button it going to download two images from different ...
Read MoreHow to cancel an executing AsyncTask in Android?
Before getting into example, we should know what is AsyncTask in android. AsyncTask going to do operations/actions in background thread and update on mainthread. While doing background operations on background thread, user can cancel operations by using the following code -AsynTaskExample mAsyncTask = new AsyncTaskExample(); mAsyncTask.cancel(true);This example demonstrate about how to cancel an executing AsyncTask 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 code when ...
Read MoreHow to change package name in android?
Here are the simple steps to change the package name in android .Click on your pack name(in source tree). -> Right Click --> Refractor -> Rename as shown below -Click on rename, it will show pop up as shown below -Click on Rename package, it will show new pop up as shown below -Now change the name as per requirement and click on refractor as shown below -Now it will check all files and asks for refractor as shown below -In the below of Android studio, there is "do Refractor button". click on it. Now open your build.gradle as shown ...
Read MoreHow to Dynamically Add Views into View in Android?
This example demonstrates How to Dynamically Add Views into View.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 code, we have taken an empty layout. In this layout, we will have dynamic text view.package com.example.andy.myapplication; import android.graphics.Bitmap; import android.graphics.Matrix; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.LayoutInflater; import android.view.View; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; public class MainActivity extends AppCompatActivity { int view = R.layout.activity_main; ...
Read MoreHow to set Adapter to Auto Complete Text view?
Before getting into an example, we should know what is autocomplete textview in android. Autocomplete textview is just like an edit text and it is a subclass of editext, but it is going to show suggestion from a list as a dropdown list. We have to set up Threshold value to auto-complete text view. for example, we have set it up Threshold as 1 so if user enters one letter is going to give suggestion according to Threshold letter.This example demonstrates about how to set up an adapter to auto-complete Textview.Step 1 − Create a new project in Android Studio, ...
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