非androidx版本

build.gradle

 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = "1.3.72"
     repositories {
         google()
         jcenter()
     }
     dependencies {
         classpath "com.android.tools.build:gradle:4.0.1"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

demo/build.gradle

 apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
 
 android {
     compileSdkVersion 29
@@ -13,7 +11,6 @@ android {
         versionCode 1
         versionName "1.0"
 
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -26,24 +23,15 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
 }
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.3.1'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation "com.android.support:support-v13:28.0.0"
     implementation 'com.google.android.material:material:1.2.1'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.1'
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.3.0'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.3.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
     implementation project(':skin-lib')
 
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 
 }
\ No newline at end of file

demo/src/androidTest/java/com/study/skindemo/ExampleInstrumentedTest.kt

-package com.study.skindemo
-
-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.study.skindemo", appContext.packageName)
-    }
-}
\ No newline at end of file

demo/src/main/java/com/study/skindemo/MainActivity.java

+package com.study.skindemo;
+
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.view.View;
+
+
+
+import com.study.libs.SkinManager;
+
+import java.io.File;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        findViewById(R.id.btnCtl).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                SkinManager.getInstance()
+                        .loadSkin(new File(getCacheDir(), "skin1-release-unsigned.apk").getAbsolutePath());
+            }
+        });
+    }
+}

demo/src/main/java/com/study/skindemo/MainActivity.kt

-package com.study.skindemo
-
-import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
-import com.study.libs.SkinManager
-import kotlinx.android.synthetic.main.activity_main.*
-import java.io.File
-
-/**
- * 这个是换肤方案的demo，该demo目标是做成换肤的功能，支持同名资源替换型换肤
- */
-class MainActivity : AppCompatActivity() {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
-
-        btnCtl.setOnClickListener {
-            SkinManager.getInstance()
-                .loadSkin(File(cacheDir, "skin1-release-unsigned.apk").absolutePath)
-        }
-    }
-
-}
\ No newline at end of file

demo/src/main/res/layout/activity_main.xml

 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -24,4 +24,4 @@
         app:layout_constraintTop_toBottomOf="@id/btnCtl" />
 
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file

demo/src/main/res/layout/content_main.xml

-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    app:layout_behavior="@string/appbar_scrolling_view_behavior">
-
-    <fragment
-        android:id="@+id/nav_host_fragment"
-        android:name="androidx.navigation.fragment.NavHostFragment"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        app:defaultNavHost="true"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:navGraph="@navigation/nav_graph" />
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

demo/src/main/res/layout/fragment_first.xml

-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".FirstFragment">
-
-    <TextView
-        android:id="@+id/textview_first"
-        android:layout_width="wrap_content"
-        android:layout_height="?actionBarSize"
-        android:text="@string/hello_first_fragment"
-        app:layout_constraintBottom_toTopOf="@id/button_first"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <Button
-        android:id="@+id/button_first"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/next"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/textview_first" />
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

demo/src/main/res/layout/fragment_second.xml

-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".SecondFragment">
-
-    <TextView
-        android:id="@+id/textview_second"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        app:layout_constraintBottom_toTopOf="@id/button_second"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <Button
-        android:id="@+id/button_second"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/previous"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/textview_second" />
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

demo/src/main/res/navigation/nav_graph.xml

-<?xml version="1.0" encoding="utf-8"?>
-<navigation xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/nav_graph"
-    app:startDestination="@id/FirstFragment">
-
-    <fragment
-        android:id="@+id/FirstFragment"
-        android:name="com.study.skindemo.FirstFragment"
-        android:label="@string/first_fragment_label"
-        tools:layout="@layout/fragment_first">
-
-        <action
-            android:id="@+id/action_FirstFragment_to_SecondFragment"
-            app:destination="@id/SecondFragment" />
-    </fragment>
-    <fragment
-        android:id="@+id/SecondFragment"
-        android:name="com.study.skindemo.SecondFragment"
-        android:label="@string/second_fragment_label"
-        tools:layout="@layout/fragment_second">
-
-        <action
-            android:id="@+id/action_SecondFragment_to_FirstFragment"
-            app:destination="@id/FirstFragment" />
-    </fragment>
-</navigation>
\ No newline at end of file

gradle.properties

@@ -14,8 +14,8 @@ org.gradle.jvmargs=-Xmx2048m
 # AndroidX package structure to make it clearer which packages are bundled with the
 # Android operating system, and which are packaged with your app"s APK
 # https://developer.android.com/topic/libraries/support-library/androidx-rn
-android.useAndroidX=true
+#android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
-android.enableJetifier=true
+#android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
\ No newline at end of file

skin-lib/build.gradle

 apply plugin: 'com.android.library'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
 
+def supportLibVersion = "28.0.0"
 android {
+
     compileSdkVersion 28
-    buildToolsVersion "29.0.3"
+    buildToolsVersion supportLibVersion
 
     defaultConfig {
         minSdkVersion 18
@@ -12,7 +12,6 @@ android {
         versionCode 1
         versionName "1.0"
 
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles "consumer-rules.pro"
     }
 
@@ -26,11 +25,7 @@ android {
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.3.2'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation "com.android.support:support-v13:${supportLibVersion}"
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 
 }
\ No newline at end of file

skin-lib/src/androidTest/java/com/study/libs/ExampleInstrumentedTest.kt

-package com.study.libs
-
-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.study.libs.test", appContext.packageName)
-    }
-}
\ No newline at end of file

skin-lib/src/main/AndroidManifest.xml

 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.study.libs">
-
-    /
 </manifest>
\ No newline at end of file

skin-lib/src/main/java/com/study/libs/ActivityLifeCycleCallback.java

@@ -2,12 +2,13 @@ package com.study.libs;
 
 import android.app.Activity;
 import android.app.Application;
+import android.os.Build;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.annotation.RequiresApi;
+import android.support.v4.view.LayoutInflaterCompat;
 import android.view.LayoutInflater;
 
-import androidx.annotation.NonNull;
-import androidx.core.view.LayoutInflaterCompat;
-
 import com.study.libs.utils.SkinThemeUtils;
 
 import java.lang.reflect.Field;
@@ -33,7 +34,7 @@ public class ActivityLifeCycleCallback implements Application.ActivityLifecycleC
             Field field = LayoutInflater.class.getDeclaredField("mFactorySet");
             field.setAccessible(true);
             field.setBoolean(layoutInflater, false);
-        } catch (NoSuchFieldException | IllegalAccessException e) {
+        } catch (Exception e) {
             e.printStackTrace();
         }
         //创建工厂，并且

skin-lib/src/main/java/com/study/libs/SkinAttribute.java

@@ -2,13 +2,12 @@ package com.study.libs;
 
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
+import android.support.v4.view.ViewCompat;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;
 
-import androidx.core.view.ViewCompat;
-
 import com.study.libs.utils.SkinResources;
 import com.study.libs.utils.SkinThemeUtils;
 

skin-lib/src/main/java/com/study/libs/SkinLayoutInflaterFactory.java

@@ -3,15 +3,14 @@ package com.study.libs;
 import android.app.Activity;
 import android.content.Context;
 import android.os.Trace;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.util.AttributeSet;
 import android.view.InflateException;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewStub;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
 import com.study.libs.utils.SkinThemeUtils;
 
 import java.lang.reflect.Constructor;

skin-lib/src/main/java/com/study/libs/utils/SkinResources.java

@@ -4,9 +4,9 @@ import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
+import android.support.v4.content.res.ResourcesCompat;
 import android.text.TextUtils;
 
-import androidx.core.content.res.ResourcesCompat;
 
 public class SkinResources {