push

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'com.example.audify'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "com.example.audify"
+        minSdk 21
+        targetSdk 33
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+    implementation 'com.karumi:dexter:6.2.3'
+    implementation 'com.airbnb.android:lottie:6.1.0'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/example/audify/ExampleInstrumentedTest.java

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+package com.example.audify;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.example.audify", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?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" />
+
+    <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.Audify"
+        tools:targetApi="31">
+
+        <activity
+            android:name=".SplashScreen"
+            android:theme="@style/Theme.AppCompat.NoActionBar"
+            android:noHistory="true"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name=".PlaySong"
+            android:theme="@style/Theme.AppCompat.NoActionBar"
+            android:exported="true"
+            android:parentActivityName=".MainActivity">
+        </activity>
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+        </activity>
+
+    </application>
+
+</manifest>

app/src/main/java/com/example/audify/MainActivity.java

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+package com.example.audify;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.Manifest;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Environment;
+import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import com.karumi.dexter.Dexter;
+import com.karumi.dexter.PermissionToken;
+import com.karumi.dexter.listener.PermissionDeniedResponse;
+import com.karumi.dexter.listener.PermissionGrantedResponse;
+import com.karumi.dexter.listener.PermissionRequest;
+import com.karumi.dexter.listener.single.PermissionListener;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Objects;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        ListView listView;
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        listView = findViewById(R.id.listView);
+        Dexter.withContext(this)
+                .withPermission(Manifest.permission.READ_EXTERNAL_STORAGE)
+                .withListener(new PermissionListener() {
+                    @Override
+                    public void onPermissionGranted(PermissionGrantedResponse permissionGrantedResponse) {
+                        ArrayList<File> mySongs = fetchSongs(Environment.getExternalStorageDirectory());
+                        String [] items = new String[mySongs.size()];
+                        for(int i=0;i<mySongs.size();i++){
+                            items[i] = mySongs.get(i).getName().replace(".mp3", "");
+                        }
+                        ArrayAdapter<String> adapter = new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_1, items);
+                        listView.setAdapter(adapter);
+                        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+                            @Override
+                            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
+                                Intent intent = new Intent(MainActivity.this, PlaySong.class);
+                                String currentSong = listView.getItemAtPosition(i).toString();
+                                intent.putExtra("songList", mySongs);
+                                intent.putExtra("currentSong", currentSong);
+                                intent.putExtra("position", i);
+                                startActivity(intent);
+                            }
+                        });
+
+                    }
+
+                    @Override
+                    public void onPermissionDenied(PermissionDeniedResponse permissionDeniedResponse) {
+
+                    }
+
+                    @Override
+                    public void onPermissionRationaleShouldBeShown(PermissionRequest permissionRequest, PermissionToken permissionToken) {
+                        permissionToken.continuePermissionRequest();
+                    }
+                })
+                .check();
+    }
+    public ArrayList<File> fetchSongs(File file){
+        ArrayList arrayList = new ArrayList();
+        File [] songs = file.listFiles();
+        if(songs !=null){
+            for(File myFile: songs){
+                if(!myFile.isHidden() && myFile.isDirectory()){
+                    arrayList.addAll(fetchSongs(myFile));
+                }
+                else{
+                    if(myFile.getName().endsWith(".mp3") && !myFile.getName().startsWith(".")){
+                        arrayList.add(myFile);
+                    }
+                }
+            }
+        }
+        return arrayList;
+    }
+}