同步bugfix到androidx版本

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

@@ -2,10 +2,12 @@ package com.study.libs;
 
 import android.app.Activity;
 import android.app.Application;
+import android.os.Build;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.RequiresApi;
 import androidx.core.view.LayoutInflaterCompat;
 
 import com.study.libs.utils.SkinThemeUtils;
@@ -23,6 +25,7 @@ public class ActivityLifeCycleCallback implements Application.ActivityLifecycleC
         inflaterFactory = new HashMap<>();
     }
 
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     @Override
     public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
         //先更改status bar
@@ -71,6 +74,9 @@ public class ActivityLifeCycleCallback implements Application.ActivityLifecycleC
     @Override
     public void onActivityDestroyed(Activity activity) {
         SkinLayoutInflaterFactory factory = inflaterFactory.remove(activity);
+        if (factory != null) {
             SkinManager.getInstance().deleteObserver(factory);
+            factory.release();
+        }
     }
 }

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

@@ -51,17 +51,19 @@ public class SkinAttribute {
                 if (attributeValue.startsWith("#")) {//写死的颜色，不用管
                     continue;
                 }
-                int resId;
+                int resId = 0;
                 if (attributeValue.startsWith("?")) {//以？开头的应该是系统theme，需要做一次转换获取属性
                     int attrId = Integer.parseInt(attributeValue.substring(1));//todo 这里的为何要转换成Integer
                     resId = SkinThemeUtils.getResId(view.getContext(), new int[]{attrId})[0];
                 } else {//正常是以@开头，后面跟地址
                     resId = Integer.parseInt(attributeValue.substring(1));
                 }
+                if (resId != 0) {
                     SkinPair skinPair = new SkinPair(attributeName, resId);
                     skinPairs.add(skinPair);
                 }
             }
+        }
         if (!skinPairs.isEmpty() || view instanceof SkinViewSupport) {
             SkinView skinView = new SkinView(view, skinPairs);
             //view替换属性为skin包中的属性，即换肤
@@ -80,10 +82,10 @@ public class SkinAttribute {
     }
 
     /**
-     * todo 这里需要对activity已经关闭的view进行统一remove，避免内存泄露
+     * 移除所有view
      */
-    public void removeViews() {
-
+    public void clearAll() {
+        skinViewList.clear();
     }
 
     static class SkinView {
@@ -103,6 +105,9 @@ public class SkinAttribute {
             applySkinSupport();
             //遍历skinPair的列表，查看view的属性，对可操作的属性进行替换
             for (SkinPair skinPair : skinPairList) {
+                if (skinPair.resId == 0) {//如果属性无效，就不
+                    continue;
+                }
                 Drawable left = null, top = null, right = null, bottom = null;
                 switch (skinPair.attributeName) {
                     case "background":

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

@@ -2,20 +2,18 @@ package com.study.libs;
 
 import android.app.Activity;
 import android.content.Context;
-import android.os.Trace;
+import android.os.Build;
 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 androidx.annotation.RequiresApi;
 
 import com.study.libs.utils.SkinThemeUtils;
 
 import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
 import java.util.HashMap;
 import java.util.Observable;
 import java.util.Observer;
@@ -38,7 +36,6 @@ public class SkinLayoutInflaterFactory implements LayoutInflater.Factory2, Obser
             "android.view."
     };
 
-    private static final ClassLoader BOOT_CLASS_LOADER = LayoutInflater.class.getClassLoader();
     //属性管理器
     private SkinAttribute skinAttribute;
 
@@ -49,6 +46,7 @@ public class SkinLayoutInflaterFactory implements LayoutInflater.Factory2, Obser
         skinAttribute = new SkinAttribute();
     }
 
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     @Nullable
     @Override
     public View onCreateView(@Nullable View parent, @NonNull String name, @NonNull Context context, @NonNull AttributeSet attrs) {
@@ -68,6 +66,7 @@ public class SkinLayoutInflaterFactory implements LayoutInflater.Factory2, Obser
     /**
      * 创建系统自带的view
      */
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     private View createSDKView(String name, Context context, AttributeSet attributeSet) {
         //如果xml中包含点，则可能是自定义的view，这里不对其进行处理
         if (name.contains(".")) {//如果不包含点
@@ -86,13 +85,15 @@ public class SkinLayoutInflaterFactory implements LayoutInflater.Factory2, Obser
     /**
      * 创建view
      */
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     private View createView(@NonNull String name, @NonNull Context context, @NonNull AttributeSet attrs) {
         Constructor<? extends View> constructor = findConstructor(context, name);
         try {
             //创建实例
-            return constructor.newInstance(constructor, attrs);
+            return constructor.newInstance(context, attrs);
         } catch (Exception e) {
-            e.printStackTrace();
+            //不必输出
+//            e.printStackTrace();
         }
         return null;
     }
@@ -100,6 +101,7 @@ public class SkinLayoutInflaterFactory implements LayoutInflater.Factory2, Obser
     /**
      * 获取类的构造函数,并存起来后面继续用
      */
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     private Constructor<? extends View> findConstructor(Context context, String name) {
         Constructor<? extends View> constructor = sConstructorMap.get(name);
         if (constructor == null) {
@@ -110,7 +112,7 @@ public class SkinLayoutInflaterFactory implements LayoutInflater.Factory2, Obser
                 constructor.setAccessible(true);
                 sConstructorMap.put(name, constructor);
             } catch (ClassNotFoundException | NoSuchMethodException e) {
-                e.printStackTrace();
+//                e.printStackTrace();
             }
         }
         return constructor;
@@ -120,6 +122,7 @@ public class SkinLayoutInflaterFactory implements LayoutInflater.Factory2, Obser
     /**
      * 这个基本不用
      */
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     @Nullable
     @Override
     public View onCreateView(@NonNull String name, @NonNull Context context, @NonNull AttributeSet attrs) {
@@ -133,7 +136,21 @@ public class SkinLayoutInflaterFactory implements LayoutInflater.Factory2, Obser
      */
     @Override
     public void update(Observable o, Object arg) {
+        if (activity != null) {
             SkinThemeUtils.updateStatusBarColor(activity);
+        }
+        if (skinAttribute != null) {
             skinAttribute.applySkin();
         }
+    }
+
+    /**
+     * 清理
+     */
+    public void release() {
+        activity = null;
+        if (skinAttribute != null) {
+            skinAttribute.clearAll();
+        }
+    }
 }

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

@@ -8,6 +8,8 @@ import android.content.res.Resources;
 import android.os.Build;
 import android.text.TextUtils;
 
+import androidx.annotation.RequiresApi;
+
 import com.study.libs.utils.SkinResources;
 
 import java.io.File;
@@ -24,6 +26,7 @@ public class SkinManager extends Observable {
     private Application application;
     private static volatile SkinManager skinManager;
 
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     private SkinManager(Application application) {
         this.application = application;
         SkinPreference.init(application.getApplicationContext());
@@ -32,6 +35,7 @@ public class SkinManager extends Observable {
         loadSkin(SkinPreference.getInstance().getSkin());
     }
 
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     public static SkinManager init(Application application) {
         if (null == skinManager) {
             synchronized (SkinManager.class) {
@@ -53,6 +57,7 @@ public class SkinManager extends Observable {
         }
     }
 
+    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
     public void loadSkin(String skinPath) {
         if (TextUtils.isEmpty(skinPath) && !new File(skinPath).exists()) {//如果为空或者不存在该文件，则不用管
             SkinPreference.getInstance().reset();
@@ -77,4 +82,14 @@ public class SkinManager extends Observable {
         setChanged();
         notifyObservers();
     }
+
+    /**
+     * 重置一切
+     */
+    public void reset() {
+        SkinPreference.getInstance().reset();
+        SkinResources.getInstance().reset();
+        setChanged();
+        notifyObservers();
+    }
 }

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

@@ -122,5 +122,4 @@ public class SkinResources {
         }
     }
 
-
 }

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

@@ -38,6 +38,9 @@ public class SkinThemeUtils {
     }
 
     public static void updateStatusBarColor(Activity activity) {
+        if (activity == null) {
+            return;
+        }
         //5.0以上才能修改
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
             return;