I am making an Android App with Kotlin for a College Assignment. The assignment has a requirement to store an image into an SQLite database. I code in the code to request permissions to access the phone gallery. However, when I test it out the request permissions dialog does not show up, but the code still works some what.
How do I know this? The toast that appears when the user denies permission shows up.
Here is the code I used:
Source Code:
package com.example.final_project
import android.annotation.SuppressLint
import android.app.Activity
import android.content.Intent
import android.content.pm.PackageManager
import android.os.Build
import android.os.Bundle
import android.provider.MediaStore
import android.widget.Button
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.core.app.ActivityCompat
class ItemAdder : AppCompatActivity() {
u/SuppressLint("MissingInflatedId")
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.add_menu)
val image_button = findViewById<Button>(R.id.image_button)
image_button.setOnClickListener {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M){
if (checkSelfPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE)==PackageManager.PERMISSION_DENIED){
val permissions = arrayOf(android.Manifest.permission.READ_EXTERNAL_STORAGE)
ActivityCompat.requestPermissions(this, permissions, PERMISSION_CODE)
} else{
chooseImageGallery()
}
}else{
chooseImageGallery()
}
}
companion object {
private val IMAGE_CHOOSE = 1000;
private val PERMISSION_CODE = 10301;
private val REQUEST_CODE = 13
}
private fun chooseImageGallery() {
// This is irrelevant to the problem
}
override fun onRequestPermissionsResult(
requestCode: Int,
permissions: Array<out String>,
grantResults: IntArray
) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults)
when(requestCode){
PERMISSION_CODE -> {
if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED){
chooseImageGallery()
}else{
Toast.makeText(this,"Permission denied", Toast.LENGTH_SHORT).show()
}
}
}
}
}
Android Manifest:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools">
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32"/>
<application
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"
android:fullBackupContent="@xml/backup_rules"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.AppCompat"
tools:targetApi="31">
<activity
android:name=".MainActivity"
android:exported="true"
android:label="@string/app_name"
android:theme="@style/Theme.AppCompat">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".ItemAdder"
android:exported="false"
android:theme="@style/Theme.AppCompat"/>
</application>
</manifest>
Gradle Build:
plugins {
alias(libs.plugins.android.application)
alias(libs.plugins.jetbrains.kotlin.android)
}
android {
namespace = "com.example.final_project"
compileSdk = 34
defaultConfig {
applicationId = "com.example.final_project"
minSdk = 24
targetSdk = 34
versionCode = 1
versionName = "1.0"
testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
vectorDrawables {
useSupportLibrary = true
}
}
buildTypes {
release {
isMinifyEnabled = false
proguardFiles(
getDefaultProguardFile("proguard-android-optimize.txt"),
"proguard-rules.pro"
)
}
}
compileOptions {
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = "1.8"
}
buildFeatures {
compose = true
}
composeOptions {
kotlinCompilerExtensionVersion = "1.5.1"
}
packaging {
resources {
excludes += "/META-INF/{AL2.0,LGPL2.1}"
}
}
}
dependencies {
implementation(libs.androidx.core.ktx)
implementation(libs.androidx.lifecycle.runtime.ktx)
implementation(libs.androidx.activity.compose)
implementation(platform(libs.androidx.compose.bom))
implementation(libs.androidx.ui)
implementation(libs.androidx.ui.graphics)
implementation(libs.androidx.ui.tooling.preview)
implementation(libs.androidx.material3)
implementation(libs.androidx.appcompat)
implementation(libs.androidx.constraintlayout)
implementation(libs.androidx.recyclerview)
implementation(libs.androidx.recyclerview.selection)
implementation(libs.androidx.cardview)
testImplementation(libs.junit)
androidTestImplementation(libs.androidx.junit)
androidTestImplementation(libs.androidx.espresso.core)
androidTestImplementation(platform(libs.androidx.compose.bom))
androidTestImplementation(libs.androidx.ui.test.junit4)
debugImplementation(libs.androidx.ui.tooling)
debugImplementation(libs.androidx.ui.test.manifest)
}
I expected a permissions dialog to show up to select permissions, however the toast that says “Permission Denied” shows up immediately with no dialog box
I genuinely have no idea what I am doing wrong. Please help.
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