feat: 优化代码

app/build.gradle

@@ -37,6 +37,7 @@ android {
         targetSdkVersion 29
         versionCode gitCommits
         versionName version
+        flavorDimensions "versionCode"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         project.ext.set("archivesBaseName", name + "_" + version)
         multiDexEnabled true
@@ -73,7 +74,15 @@ android {
             }
         }
     }
-
+    productFlavors{
+        app{
+            manifestPlaceholders = [APP_CHANNEL_VALUE:"app"]
+        }
+        google{
+            applicationId "io.legado.play"
+            manifestPlaceholders = [APP_CHANNEL_VALUE:"google"]
+        }
+    }
     compileOptions {
         // Flag to enable support for the new language APIs
         //coreLibraryDesugaringEnabled true
@@ -130,6 +139,7 @@ dependencies {
     def room_version = '2.2.4'
     implementation "androidx.room:room-runtime:$room_version"
     kapt "androidx.room:room-compiler:$room_version"
+    kapt "android.arch.persistence.room:compiler:$room_version"
 
     //paging
     implementation 'androidx.paging:paging-runtime:2.1.1'

app/google-services.json

@@ -92,6 +92,35 @@
           ]
         }
       }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:453392274790:android:b891abd2331577dff624a7",
+        "android_client_info": {
+          "package_name": "io.legado.play.release"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "453392274790-hnbpatpce9hbjiggj76hgo7queu86atq.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyD90mfNLhA7cAzzI9SonpSz5mrF5BnmyJA"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "453392274790-hnbpatpce9hbjiggj76hgo7queu86atq.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
     }
   ],
   "configuration_version": "1"

app/src/main/AndroidManifest.xml

@@ -252,6 +252,10 @@
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/file_paths" />
         </provider>
+
+        <meta-data
+            android:name="channel"
+            android:value="${APP_CHANNEL_VALUE}" />
     </application>
 
 </manifest>

app/src/main/java/io/legado/app/help/AppConfig.kt

@@ -1,6 +1,7 @@
 package io.legado.app.help
 
 import android.content.Context
+import android.content.pm.PackageManager
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.constant.PreferKey
@@ -119,4 +120,18 @@ object AppConfig {
         set(value) {
             App.INSTANCE.putPrefInt("elevation", value)
         }
+
 }
+
+val Context.channel: String
+    get() {
+        try {
+            val pm = packageManager
+            val appInfo = pm.getApplicationInfo(packageName, PackageManager.GET_META_DATA);
+            return appInfo.metaData.getString("channel") ?: ""
+        } catch (e: Exception) {
+            e.printStackTrace();
+        }
+        return ""
+    }
+

app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt

@@ -13,6 +13,7 @@ import io.legado.app.R
 import io.legado.app.base.BaseFragment
 import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
+import io.legado.app.help.channel
 import io.legado.app.lib.theme.ATH
 import io.legado.app.service.WebService
 import io.legado.app.ui.about.AboutActivity
@@ -24,6 +25,7 @@ import io.legado.app.ui.config.ConfigViewModel
 import io.legado.app.ui.filechooser.FileChooserDialog
 import io.legado.app.ui.replacerule.ReplaceRuleActivity
 import io.legado.app.ui.widget.prefs.NameListPreference
+import io.legado.app.ui.widget.prefs.PreferenceCategory
 import io.legado.app.ui.widget.prefs.SwitchPreference
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.view_title_bar.*
@@ -81,6 +83,10 @@ class MyFragment : BaseFragment(R.layout.fragment_my_config), FileChooserDialog.
                     true
                 }
             }
+            if (requireContext().channel == "google") {
+                findPreference<PreferenceCategory>("aboutCategory")
+                    ?.removePreference(findPreference("donate"))
+            }
         }
 
         override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

app/src/main/res/xml/pref_main.xml

@@ -56,7 +56,9 @@
 
     </io.legado.app.ui.widget.prefs.PreferenceCategory>
 
-    <io.legado.app.ui.widget.prefs.PreferenceCategory app:iconSpaceReserved="false">
+    <io.legado.app.ui.widget.prefs.PreferenceCategory
+        android:key="aboutCategory"
+        app:iconSpaceReserved="false">
 
         <androidx.preference.Preference
             android:key="donate"