1. Creating Asset Folder
To Create Asset Folder Set Your application hierarchy to android , then right click on your project select New > Folder > Assets Folder after that it will popup another there set target source to main
Inside the asset folder i have added a file by name "android_version.json" we will read the content of this file and set to TextView .
2. XML Layout
Create XML Layout activity_main.xml , this will be set as content view for launcher Activity (MainActivity.kt)
file : activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="20dp" tools:context=".MainActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/textView" /> </ScrollView>
3. Activity
- Create a koltin class MainActivity.kt and extend it to AppCompatActivity class .
- Override onCreate function and set the content of this MainActivity with above defined xml layout (activity_main.xml).
- Create a function readFromAsset and set the returned type as string (read value from asset).
private fun readFromAsset(): String { val file_name = "android_version.json" val bufferReader = application.assets.open(file_name).bufferedReader() val data = bufferReader.use { it.readText() } Log.d("readFromAsset", data) return data; }
file : MainActivity.kt
package com.tutorialsbuzz.androidreadassetfile import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.util.Log import kotlinx.android.synthetic.main.activity_main.* class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) val data = readFromAsset() textView.setText(data) } private fun readFromAsset(): String { val file_name = "android_version.json" val bufferReader = application.assets.open(file_name).bufferedReader() val data = bufferReader.use { it.readText() } Log.d("readFromAsset", data) return data; } }
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