Skip to main content

Contact us

Your Name:
E-mail Address *:
Message *:

Comments

Post a Comment

Popular posts

Simple Calculator in Android

You can view new updated simple calculator with ViemModel and LiveData in my new blog    https://androidtuts4u.blogspot.com/2021/10/simple-calculator-with-viewmodel-and.html To create a calculator first  we need to create the layout of the calculator. Layout  is created  using XML file given below <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="match_parent" >  <EditText     android:id="@+id/result_id"       android:layout_width="fill_parent"     android:layout_height="120dp"   />  <Button    android:id="@+id/Btn7_id"      android:layout_width="70dp"    android:layout_height="60dp"    android:layout_below="@id/result_id"   ...
122 comments
Read more

ViewModel with Jetpack Compose

  Compose uses remember API to store object in memory. Stored value is returned during recomposition . remember helps us retain data across recompostion , but when configuration changes happen all stored values are lost . One way to overcome this is to use rememberSaveable . rememberSaveable saves any value that can be saved in a Bundle , so it will survive configuration changes.  But when we are using lot of data , for example a list we can cannot use a rememberSavble beacuse there is limit on amount of data that can be stored in Bundle . So we use ViweModel . ViewModel provide the ui state and access to the business logic located in other layers of the app. It also survives configuration changes. ViewModel handles events coming from the UI or other layers of the app and updates the state holder based on the events. We need to add the following dependency in our app level build.gradle to use ViewModel implementation "androidx.lifecycle:lifecycle-viewmodel-compose:2.4.1" F...
Post a Comment
Read more

Enabling Sign-in APi in Google Developer console

We need to enable Sign-in Api for our application in google developers console to use google sign-in  in our application. 1 . first we need to create a project in google developers console     visit google developers  console        https://console.developers.google.com/project 2 .  Click on create project button you will see the below screen     3 .  Enter project name and click CREATE . Then we are directed to project home page  which will look like this 4 .  Next we need to add Google API to our project. click on library on left menu and search for google api 5 .  Configure  OAuth consent screen , click on 'OAuth consent screen '  6  .  Enter Application name and email id everything else is optional  and click save   7  . Configure Credentials        Google uses this to ensure that your application is not fake applicatio...
Post a Comment
Read more