week1, week2 실습

yuja/.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

yuja/app/.gitignore

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+/build

yuja/app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdk 31
+
+    viewBinding {
+        enabled true
+    }
+
+    defaultConfig {
+        applicationId "com.example.flo"
+        minSdk 21
+        targetSdk 31
+        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
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.core:core-ktx:1.7.0'
+    implementation 'androidx.appcompat:appcompat:1.4.0'
+    implementation 'com.google.android.material:material:1.4.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.2'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}

yuja/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

yuja/app/src/androidTest/java/com/example/flo/ExampleInstrumentedTest.kt

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+package com.example.flo
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.example.flo", appContext.packageName)
+    }
+}

yuja/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"
+    package="com.example.flo">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.FLO">
+        <activity
+            android:name=".MainActivity"
+            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=".SongActivity"
+            android:exported="true"/>
+    </application>
+
+</manifest>

yuja/app/src/main/java/com/example/flo/AlbumFragment.kt

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+package com.example.flo
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import com.example.flo.databinding.FragmentAlbumBinding
+import com.google.android.material.tabs.TabLayoutMediator
+
+class AlbumFragment : Fragment() {
+    lateinit var binding : FragmentAlbumBinding
+
+//    TabLayout에 들어갈 text
+    private var information = arrayListOf("수록곡", "상세정보", "영상")
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        binding = FragmentAlbumBinding.inflate(inflater, container, false)
+
+        binding.albumBackIv.setOnClickListener {
+            (context as MainActivity).supportFragmentManager.beginTransaction().replace(R.id.main_frm, HomeFragment()).commitAllowingStateLoss()
+        }
+
+        val albumAdapter = AlbumVPAdapter(this)
+        binding.albumContentVp.adapter = albumAdapter
+//        TabLayout, ViewPager 연결
+        TabLayoutMediator(binding.albumContentTb, binding.albumContentVp) {
+            tab, position ->
+            tab.text = information[position]
+        }.attach()
+
+        return binding.root
+    }
+}

yuja/app/src/main/java/com/example/flo/AlbumVPAdapter.kt

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+package com.example.flo
+
+import androidx.fragment.app.Fragment
+import androidx.viewpager2.adapter.FragmentStateAdapter
+
+class AlbumVPAdapter(fragment: Fragment) : FragmentStateAdapter(fragment) {
+    override fun getItemCount(): Int = 3
+
+    override fun createFragment(position: Int): Fragment {
+//        when .==' switch (position에 따라 다른 정보 보여줌)
+        return when(position) {
+            0 -> SongFragment()
+            1 -> DetailFragment()
+            else -> VideoFragment()
+        }
+    }
+}

yuja/app/src/main/java/com/example/flo/BannerFragment.kt

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+package com.example.flo
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import com.example.flo.databinding.FragmentBannerBinding
+
+class BannerFragment(val imgRes: Int): Fragment() {
+    lateinit var binding: FragmentBannerBinding
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        binding = FragmentBannerBinding.inflate(inflater, container, false)
+
+        binding.bannerImageIv.setImageResource(imgRes) // ImageView의 src를 변경
+
+        return binding.root
+    }
+}

yuja/app/src/main/java/com/example/flo/BannerVPAdapter.kt

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+package com.example.flo
+
+import androidx.fragment.app.Fragment
+import androidx.viewpager2.adapter.FragmentStateAdapter
+
+class BannerVPAdapter (fragment: Fragment):FragmentStateAdapter(fragment) {
+    private val fragmentlist : ArrayList<Fragment> = ArrayList()
+    override fun getItemCount(): Int = fragmentlist.size
+
+    override fun createFragment(position: Int): Fragment = fragmentlist[position]
+
+    fun addFragment(fragment: Fragment)  {
+        fragmentlist.add(fragment) //함수가 처음 실행될 때 fragment에 아무것도 없음. 이때 homefagmetnt에 있는 걸 넣어줘라?
+        notifyItemInserted(fragmentlist.size-1) //list 안에 새로운 값이 추가되었을 경우, viewpager에게 알려줌 ("이것도 추가해서 보여줘!")
+    }
+}