build,refactor: drop koin dependency injection framework

Currently we cannot utilize it correctly, and since it contributes to a batch of bugs, it may be better to drop it for now.

Author: WhiredPlanck

app/build.gradle.kts

@@ -126,7 +126,6 @@ dependencies {
     implementation(libs.androidx.viewpager2)
     implementation(libs.flexbox)
     implementation(libs.kaml)
-    implementation(libs.koin.android)
     implementation(libs.timber)
     implementation(libs.utilcode)
     implementation(libs.xxpermissions)

app/src/main/java/com/osfans/trime/TrimeApplication.kt

@@ -10,9 +10,6 @@ import com.osfans.trime.data.db.ClipboardHelper
 import com.osfans.trime.data.db.CollectionHelper
 import com.osfans.trime.data.db.DraftHelper
 import com.osfans.trime.ui.main.LogActivity
-import org.koin.android.ext.koin.androidContext
-import org.koin.android.ext.koin.androidLogger
-import org.koin.core.context.startKoin
 import timber.log.Timber
 import kotlin.system.exitProcess
 
@@ -107,10 +104,6 @@ class TrimeApplication : Application() {
                 lastPid = this
                 Timber.d("Last pid is $lastPid. Set it to current pid: $currentPid")
             }
-            startKoin {
-                androidLogger()
-                androidContext(this@TrimeApplication)
-            }
             appPrefs.internal.pid = currentPid
             ClipboardHelper.init(applicationContext)
             CollectionHelper.init(applicationContext)

app/src/main/java/com/osfans/trime/ime/bar/QuickBar.kt

@@ -11,16 +11,11 @@ import com.osfans.trime.databinding.CandidateBarBinding
 import com.osfans.trime.databinding.TabBarBinding
 import com.osfans.trime.ime.core.TrimeInputMethodService
 import com.osfans.trime.ime.enums.SymbolKeyboardType
-import org.koin.core.component.KoinComponent
-import org.koin.core.component.inject
 import splitties.views.dsl.core.add
 import splitties.views.dsl.core.lParams
 import splitties.views.dsl.core.matchParent
 
-class QuickBar : KoinComponent {
-    private val context: Context by inject()
-    private val service: TrimeInputMethodService by inject()
-
+class QuickBar(context: Context, service: TrimeInputMethodService) {
     val oldCandidateBar by lazy {
         CandidateBarBinding.inflate(LayoutInflater.from(context)).apply {
             with(root) {

app/src/main/java/com/osfans/trime/ime/core/InputView.kt

@@ -5,7 +5,6 @@ import android.app.Dialog
 import android.content.res.Configuration
 import android.graphics.Color
 import android.os.Build
-import android.view.ContextThemeWrapper
 import android.view.View
 import android.view.View.OnClickListener
 import android.view.WindowManager
@@ -20,7 +19,6 @@ import androidx.lifecycle.lifecycleScope
 import com.osfans.trime.core.Rime
 import com.osfans.trime.core.RimeNotification
 import com.osfans.trime.data.theme.ColorManager
-import com.osfans.trime.data.theme.Theme
 import com.osfans.trime.data.theme.ThemeManager
 import com.osfans.trime.ime.bar.QuickBar
 import com.osfans.trime.ime.keyboard.KeyboardWindow
@@ -29,11 +27,6 @@ import com.osfans.trime.util.ColorUtils
 import com.osfans.trime.util.styledFloat
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
-import org.koin.core.component.KoinComponent
-import org.koin.core.component.inject
-import org.koin.core.context.loadKoinModules
-import org.koin.core.context.unloadKoinModules
-import org.koin.dsl.module
 import splitties.dimensions.dp
 import splitties.views.dsl.constraintlayout.above
 import splitties.views.dsl.constraintlayout.below
@@ -62,7 +55,7 @@ import splitties.views.imageDrawable
 class InputView(
     val service: TrimeInputMethodService,
     val rime: Rime,
-) : ConstraintLayout(service), KoinComponent {
+) : ConstraintLayout(service) {
     private val theme get() = ThemeManager.activeTheme
     private var shouldUpdateNavbarForeground = false
     private var shouldUpdateNavbarBackground = false
@@ -91,26 +84,9 @@ class InputView(
     private val notificationHandlerJob: Job
 
     private val themedContext = context.withTheme(android.R.style.Theme_DeviceDefault_Settings)
-    val quickBar: QuickBar by inject()
-    val keyboardWindow: KeyboardWindow by inject()
-    val liquidKeyboard: LiquidKeyboard by inject()
-
-    private val module =
-        module {
-            // the basic dependencies for the components to be injected
-            // provided by InputView (including itself)
-            single<InputView> { this@InputView }
-            single<Theme> { theme }
-            single<ContextThemeWrapper> { themedContext }
-            single<TrimeInputMethodService> { service }
-            // the components need to be injected
-            // Note: these components can be injected into other components,
-            // but you must construct them there, otherwise Koin cannot
-            // inject them automatically.
-            single { KeyboardWindow() }
-            single { LiquidKeyboard() }
-            single { QuickBar() }
-        }
+    val quickBar = QuickBar(themedContext, service)
+    val keyboardWindow = KeyboardWindow(themedContext, service)
+    val liquidKeyboard = LiquidKeyboard(themedContext, service, theme)
 
     private val keyboardSidePadding = theme.style.getInt("keyboard_padding")
     private val keyboardSidePaddingLandscape = theme.style.getInt("keyboard_padding_land")
@@ -140,9 +116,6 @@ class InputView(
     val keyboardView: View
 
     init {
-        // MUST call before any other operations
-        loadKoinModules(module)
-
         notificationHandlerJob =
             service.lifecycleScope.launch {
                 rime.notificationFlow.collect {
@@ -360,7 +333,6 @@ class InputView(
         // cancel the notification job and unload the Koin module,
         // implies that InputView should not be attached again after detached.
         notificationHandlerJob.cancel()
-        unloadKoinModules(module)
         super.onDetachedFromWindow()
     }
 }

app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardWindow.kt

@@ -7,16 +7,11 @@ import com.osfans.trime.core.Rime
 import com.osfans.trime.databinding.MainInputLayoutBinding
 import com.osfans.trime.databinding.SymbolInputLayoutBinding
 import com.osfans.trime.ime.core.TrimeInputMethodService
-import org.koin.core.component.KoinComponent
-import org.koin.core.component.inject
 import splitties.views.dsl.core.add
 import splitties.views.dsl.core.lParams
 import splitties.views.dsl.core.matchParent
 
-class KeyboardWindow : KoinComponent {
-    private val context: Context by inject()
-    private val service: TrimeInputMethodService by inject()
-
+class KeyboardWindow(context: Context, service: TrimeInputMethodService) {
     val oldMainInputView by lazy {
         MainInputLayoutBinding.inflate(LayoutInflater.from(context)).apply {
             with(mainKeyboardView) {

app/src/main/java/com/osfans/trime/ime/symbol/LiquidKeyboard.kt

@@ -28,16 +28,14 @@ import com.osfans.trime.ime.enums.SymbolKeyboardType
 import com.osfans.trime.ime.text.TextInputManager
 import com.osfans.trime.ui.main.LiquidKeyboardEditActivity
 import kotlinx.coroutines.launch
-import org.koin.core.component.KoinComponent
-import org.koin.core.component.inject
 import splitties.dimensions.dp
 import timber.log.Timber
 
-class LiquidKeyboard : KoinComponent, ClipboardHelper.OnClipboardUpdateListener {
-    private val context: Context by inject()
-    private val service: TrimeInputMethodService by inject()
-    private val theme: Theme by inject()
-
+class LiquidKeyboard(
+    private val context: Context,
+    private val service: TrimeInputMethodService,
+    private val theme: Theme,
+) : ClipboardHelper.OnClipboardUpdateListener {
     private lateinit var keyboardView: RecyclerView
     private val symbolHistory = SymbolHistory(180)
     private var adapterType: AdapterType = AdapterType.INIT

gradle/libs.versions.toml

@@ -27,7 +27,6 @@ androidx-room-ktx = { module = "androidx.room:room-ktx", version.ref = "room" }
 androidx-viewpager2 = { module = "androidx.viewpager2:viewpager2", version = "1.1.0-beta02" }
 flexbox = { module = "com.google.android.flexbox:flexbox", version = "3.0.0" }
 kaml = { module = "com.charleskorn.kaml:kaml", version = "0.56.0" }
-koin-android = { module = "io.insert-koin:koin-android", version = "3.5.3" }
 timber = { module = "com.jakewharton.timber:timber", version = "5.0.1" }
 utilcode = { module = "com.blankj:utilcodex", version = "1.31.1" }
 xxpermissions = { module = "com.github.getActivity:XXPermissions", version = "18.5" }