a面添加观察remoteConfig是否有数据更新。判断进入B面。

app/src/main/java/melody/offline/music/activity/BaseActivity.kt

@@ -2,9 +2,16 @@ package melody.offline.music.activity
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.LifecycleOwner
+import melody.offline.music.http.getAppVersionCode
+import melody.offline.music.http.getCountryCode
+import melody.offline.music.sp.AppStore
+import melody.offline.music.util.LogTag
+import org.json.JSONObject
 
-open class BaseActivity : AppCompatActivity() {
+open class BaseActivity : AppCompatActivity(), LifecycleOwner {
-
+    protected val TAG = LogTag.VO_ACT_LOG
+    protected val appStore by lazy { AppStore(this) }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -13,4 +20,69 @@ open class BaseActivity : AppCompatActivity() {
     override fun onStart() {
         super.onStart()
     }
+
+    fun withPermission(): Boolean {
+        //先判断当前配置的开关是否为true，为false的话就直接进入A
+        val jsonString = appStore.shouldEnterMusicPageJson//得到配置的json
+        LogTag.LogD(TAG, "BaseActivity withPermission jsonString->${jsonString}")
+        val json = JSONObject(jsonString)
+        val versionCode = json.optInt("versionCode")//得到配置的code
+        val enter = json.optBoolean("enter")//得到配置的开关
+        val currentVersionCode = getAppVersionCode(this)//得到当前应用的code
+        //如果配置的code 等于 当前app的code，则把配置赋值给shouldEnterMusicPage
+        if (versionCode.toLong() == currentVersionCode) {
+            appStore.shouldEnterMusicPage = enter
+        } else {
+            appStore.shouldEnterMusicPage = true
+        }
+        LogTag.LogD(TAG, "BaseActivity withPermission shouldEnterMusicPage->${appStore.shouldEnterMusicPage}")
+        if (!appStore.shouldEnterMusicPage) {
+            return false
+        }
+        // 不允许的国家代码
+        val restrictedCountries = setOf(
+//            "CN",
+            "HK",
+            "TW",
+            "JP",
+            "KR",
+//            "GB",
+//            "CH",
+//            "BE",
+//            "MO",
+//            "SG"
+        )
+        // 检查是否包含当前的国家代码
+        LogTag.LogD(TAG, "BaseActivity withPermission ipCountryCode->${appStore.ipCountryCode}")
+        if (appStore.ipCountryCode in restrictedCountries) {
+            return false
+        }
+        // 如果不在受限国家代码中，则继续其他检查
+        return withIso()
+    }
+
+    private fun withIso(): Boolean {
+        //460 || 461 China (People's Republic of)
+        //454 "Hong Kong, China"
+        //466 "Taiwan, China"
+        //440 || 441 Japan
+        //450 Korea (Republic of)
+        //234 || 235 United Kingdom of Great Britain and Northern Ireland
+        //228 Switzerland (Confederation of)
+        //206 Belgium
+        //455 "Macao, China"
+        //525 Singapore (Republic of)
+        val restrictedCountryCodes = setOf(
+//                "460",
+//                "461",
+            "454",
+            "466",
+            "440",
+            "441",
+            "450",
+//            "234", "235", "228", "206", "455", "525"
+        )
+        val currentCountryCode = getCountryCode(this)
+        return currentCountryCode !in restrictedCountryCodes
+    }
 }

app/src/main/java/melody/offline/music/activity/MainActivity.kt

@@ -9,6 +9,7 @@ import android.view.View
 import android.widget.Toast
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentTransaction
+import androidx.lifecycle.Observer
 import androidx.media3.common.Player
 import com.bumptech.glide.Glide
 import com.gyf.immersionbar.ktx.immersionBar
@@ -20,6 +21,7 @@ import melody.offline.music.databinding.ActivityMainBinding
 import melody.offline.music.fragment.HomeFragment
 import melody.offline.music.fragment.ImportFragment
 import melody.offline.music.media.LocalMediaControllerManager
+import melody.offline.music.service.ViewModelMain
 import melody.offline.music.util.getAudioDurationFromAssets
 
 
@@ -34,6 +36,12 @@ class MainActivity : BaseActivity() {
         binding = ActivityMainBinding.inflate(layoutInflater)
         setContentView(binding.root)
         initView()
+        ViewModelMain.dataRemote.observe(this) {
+            if (withPermission()) {
+                startActivity(Intent(this, PrimaryActivity::class.java))
+                finish()
+            }
+        }
     }
 
     private fun initView() {
@@ -127,7 +135,8 @@ class MainActivity : BaseActivity() {
                     }
                     updateProgressState()
                 } else {
-                    LocalMediaControllerManager.setupMedia(this@MainActivity, melody.offline.music.App.currentPlayingAudio!!,
+                    LocalMediaControllerManager.setupMedia(this@MainActivity,
+                        melody.offline.music.App.currentPlayingAudio!!,
                         object : Player.Listener {
                             override fun onPlayWhenReadyChanged(
                                 playWhenReady: Boolean,
@@ -189,9 +198,10 @@ class MainActivity : BaseActivity() {
         binding.apply {
             homeImg.setImageResource(
                 when (index) {
-                    0 ->{
+                    0 -> {
                         R.drawable.home_select_icon
                     }
+
                     else -> R.drawable.home_unselect_icon
                 }
             )

app/src/main/java/melody/offline/music/activity/PlayDetailsActivity.kt

@@ -3,6 +3,7 @@ package melody.offline.music.activity
 import android.animation.ValueAnimator
 import android.annotation.SuppressLint
 import android.content.Context
+import android.content.Intent
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import android.os.Bundle
@@ -25,6 +26,7 @@ import melody.offline.music.R
 import melody.offline.music.bean.Audio
 import melody.offline.music.databinding.ActivityPlayDetailsBinding
 import melody.offline.music.media.LocalMediaControllerManager
+import melody.offline.music.service.ViewModelMain
 import melody.offline.music.util.LogTag
 import melody.offline.music.util.containsContent
 import melody.offline.music.util.convertMillisToMinutesAndSecondsString
@@ -54,6 +56,13 @@ class PlayDetailsActivity : BaseActivity() {
             Toast.makeText(this, getString(R.string.data_error), Toast.LENGTH_SHORT).show()
         }
         initView()
+
+        ViewModelMain.dataRemote.observe(this) {
+            if (withPermission()) {
+                startActivity(Intent(this, PrimaryActivity::class.java))
+                finish()
+            }
+        }
     }
 
     private fun initImmersionBar() {

app/src/main/java/melody/offline/music/firebase/RemoteConfig.kt

@@ -15,6 +15,7 @@ import com.google.firebase.remoteconfig.FirebaseRemoteConfigValue
 import com.lol.apex.ok.google.adlibrary.LoLAds
 import melody.offline.music.App
 import melody.offline.music.BuildConfig
+import melody.offline.music.service.ViewModelMain
 import melody.offline.music.sp.AppStore
 import melody.offline.music.util.LogTag
 import java.lang.ref.WeakReference
@@ -64,11 +65,12 @@ class RemoteConfig {
             override fun onUpdate(configUpdate: ConfigUpdate) {
                 LogTag.LogD(TAG, "Updated keys: " + configUpdate.updatedKeys)
                 try {
-                    if (configUpdate.updatedKeys.contains(Constants.KEY_SHOULD_ENTER_MUSIC_JSON)) {
+//                    if (configUpdate.updatedKeys.contains(Constants.KEY_SHOULD_ENTER_MUSIC_JSON)) {
-                        mFirebaseRemoteConfig!!.activate().addOnCompleteListener { task ->
+//
-                            if (task.isSuccessful) {
+//                    }
-                                updateData("onConfigUpdate", mFirebaseRemoteConfig!!.all)
+                    mFirebaseRemoteConfig!!.activate().addOnCompleteListener { task ->
-                            }
+                        if (task.isSuccessful) {
+                            updateData("onConfigUpdate", mFirebaseRemoteConfig!!.all)
                         }
                     }
                 } catch (ignore: Exception) {
@@ -115,6 +117,7 @@ class RemoteConfig {
                 if (TextUtils.equals(Constants.KEY_SHOULD_ENTER_MUSIC_JSON, key)) {
                     val shouldJson = value.asString()
                     appStore.shouldEnterMusicPageJson = shouldJson
+                    ViewModelMain.updateData(shouldJson)
                 }
                 if (TextUtils.equals(Constants.KEY_SHOW_AD_INTERVAL_TIME, key)) {
                     val t = value.asLong()

app/src/main/java/melody/offline/music/service/ViewModelMain.kt

@@ -1,9 +1,16 @@
 package melody.offline.music.service
 
+import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.media3.exoplayer.offline.Download
 
 object ViewModelMain : ViewModel() {
     var modelDownloadsFlow = MutableLiveData<Map<String, Download>>()
+
+    private val _dataRemote = MutableLiveData<String>()
+    val dataRemote: LiveData<String> get() = _dataRemote
+    fun updateData(newData: String) {
+        _dataRemote.value = newData
+    }
 }