Sanjeev Kumar Here are two methods to retrieve thumbnail from a video. 1. Using MediaMetadataRetriever Works for local files and most URLs Usage 2. Using Glide (simpler, recommended for network URLs) Add this dependency Then use below code. Glide automatically extracts a representative frame from the video and displays it in the ImageView. MediaMetadataRetriever might fail for … Read more
Suppose you have a file IsolationWardGuidelines.pdf in assets folder of your project and you want to copy it to external cache directory in order to read it. In order to copy the file in assets folder in onCreate event or any desired event, use the code given below. Similar code can be used to copy … Read more
This tutorial shows a sample project using Google Sign in in AIDE. Step 1: Create a new project in AIDE with name MyApp and package name com.test.myapp. Step 2: Create a new project in Firebase console. To this project add an android app with package name com.test.myapp. Step 3: In AIDE, run the project and sign using a … Read more
This post is about creating an android app to encrypt and decrypt text. Step 1: Create a new project with name Encryption. Step 2: Open res/layout/xml (or) main.xml and add following code. Here we add an EditText, two Buttons, and two TextViews. Step 3: Open app/src/main/java/package and open MainActivity.java. Add following code in it. Output:Now run the … Read more
This tutorial shows how to display a Map List containing texts and images in a Custom GridView. Step 1: Create a new project with name GridViewExample and package name com.myexample.gridview. Select File/New/New Project. Fill the forms and click “Finish” button. Step 2: Open res/layout/xml (or) main.xml and add following code. Here we add a GridView. Step … Read more
This tutorial shows how to display a String list in a GridView. Step 1: Create a new project with name GridView and package name com.myexample.gridview. Select File/New/New Project. Fill the forms and click “Finish” button. Step 2: Open res/layout/xml (or) main.xml and add following code. Here we add a GridView mainGridView1. Step 3: Open app/src/main/java/package and open … Read more
This tutorial shows how to display a HashMap with String and ArrayList<String> as key value pairs, in an ExpandableListView. Step 1: Create a new project with name ExpandableListView and package name com.myexample.listview. Select File/New/New Project. Fill the forms and click “Finish” button. Step 2: Open res/layout/xml (or) main.xml and add following code. Here we add an … Read more
This tutorial shows how to display a Map List containing text and images in a Custom ListView. Step 1: Create a new project with name ListViewExample and package name com.myexample.listview. Select File/New/New Project. Fill the forms and click “Finish” button. Step 2: Open res/layout/xml (or) main.xml and add following code. Here we add a ListView mainListview1. … Read more
Create a Map variable Get data from a Map variable and display in TextViews Create a Map List Get data from position 2 of Map list and display in TextViews