Added "Fetch ResourceId/View in other plugins"

replugin-host-library/replugin-host-lib/src/main/java/com/qihoo360/replugin/RePlugin.java

@@ -32,6 +32,9 @@
 import android.os.RemoteException;
 import android.support.v4.content.LocalBroadcastManager;
 import android.text.TextUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
 
 import com.qihoo360.i.Factory;
 import com.qihoo360.i.Factory2;
@@ -473,6 +476,76 @@ public static String fetchPluginNameByClassLoader(ClassLoader cl) {
         return Factory.fetchPluginName(cl);
     }
 
+    /**
+     * 通过资源名（包括前缀和具体名字），来获取指定插件里的资源的ID
+     * <p>
+     * 性能消耗：等同于 fetchResources
+     *
+     * @param pluginName     插件名
+     * @param resTypeAndName 要获取的“资源类型+资源名”，格式为：“[type]/[name]”。例如： <p>
+     *                       → layout/common_title → 从“布局”里获取common_title的ID <p>
+     *                       → drawable/common_bg → 从“可绘制图片”里获取common_bg的ID <p>
+     *                       详细见Android官方的说明
+     * @return 资源的ID。若为0，则表示资源没有找到，无法使用
+     * @since 2.2.0
+     */
+    public static int fetchResourceIdByName(String pluginName, String resTypeAndName) {
+        PackageInfo pi = fetchPackageInfo(pluginName);
+        if (pi == null) {
+            // 插件没有找到
+            if (LogDebug.LOG) {
+                LogDebug.e(TAG, "fetchResourceIdByName: Plugin not found. pn=" + pluginName + "; resName=" + resTypeAndName);
+            }
+            return 0;
+        }
+        Resources res = fetchResources(pluginName);
+        if (res == null) {
+            // 不太可能出现此问题，同样为插件没有找到
+            if (LogDebug.LOG) {
+                LogDebug.e(TAG, "fetchResourceIdByName: Plugin not found (fetchResources). pn=" + pluginName + "; resName=" + resTypeAndName);
+            }
+            return 0;
+        }
+
+        // Identifier的第一个参数想要的是：
+        // [包名]:[类型名]/[资源名]。其中[类型名]/[资源名]就是 resTypeAndName 参数
+        // 例如：com.qihoo360.replugin.sample.demo2:layout/from_demo1
+        String idKey = pi.packageName + ":" + resTypeAndName;
+        return res.getIdentifier(idKey, null, null);
+    }
+
+    /**
+     * 通过Layout名，来获取插件内的View
+     *
+     * @param pluginName 插件名
+     * @param layoutName Layout名字
+     * @param root Optional view to be the parent of the generated hierarchy.
+     * @return 插件的View。若为Null则表示获取失败
+     * @since 2.2.0
+     */
+    public static View fetchViewByLayoutName(String pluginName, String layoutName, ViewGroup root) {
+        Context context = fetchContext(pluginName);
+        if (context == null) {
+            // 插件没有找到
+            if (LogDebug.LOG) {
+                LogDebug.e(TAG, "fetchViewByLayoutName: Plugin not found. pn=" + pluginName + "; layoutName=" + layoutName);
+            }
+        }
+
+        String resTypeAndName = "layout/" + layoutName;
+        int id = fetchResourceIdByName(pluginName, resTypeAndName);
+        if (id <= 0) {
+            // 无法拿到资源，可能是资源没有找到
+            if (LogDebug.LOG) {
+                LogDebug.e(TAG, "fetchViewByLayoutName: fetch failed! pn=" + pluginName + "; layoutName=" + layoutName);
+            }
+            return null;
+        }
+
+        // TODO 可能要考虑WebView在API 19以上的特殊性
+        return LayoutInflater.from(context).inflate(id, root);
+    }
+
     /**
      * 获取所有插件的列表（指已安装的）
      *

replugin-plugin-library/replugin-plugin-lib/src/main/java/com/qihoo360/replugin/RePlugin.java

@@ -25,12 +25,14 @@
 import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.view.View;
+import android.view.ViewGroup;
 
-import com.qihoo360.replugin.i.IPluginManager;
-import com.qihoo360.replugin.utils.ParcelUtils;
 import com.qihoo360.replugin.helper.LogDebug;
+import com.qihoo360.replugin.i.IPluginManager;
 import com.qihoo360.replugin.model.PluginInfo;
 import com.qihoo360.replugin.packages.PluginRunningList;
+import com.qihoo360.replugin.utils.ParcelUtils;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -44,6 +46,8 @@
 
 public class RePlugin {
 
+    static final String TAG = "RePlugin";
+
     /**
      * 表示目标进程根据实际情况自动调配
      */
@@ -512,6 +516,42 @@ public static String fetchPluginNameByClassLoader(ClassLoader cl) {
         return null;
     }
 
+    /**
+     * 通过资源名（包括前缀和具体名字），来获取指定插件里的资源的ID
+     * <p>
+     * 性能消耗：等同于 fetchResources
+     *
+     * @param pluginName     插件名
+     * @param resTypeAndName 要获取的“资源类型+资源名”，格式为：“[type]/[name]”。例如： <p>
+     *                       → layout/common_title → 从“布局”里获取common_title的ID <p>
+     *                       → drawable/common_bg → 从“可绘制图片”里获取common_bg的ID <p>
+     *                       详细见Android官方的说明
+     * @return 资源的ID。若为0，则表示资源没有找到，无法使用
+     * @since 2.2.0 (老的host-lib版本也能使用)
+     */
+    public static int fetchResourceIdByName(String pluginName, String resTypeAndName) {
+        if (!RePluginFramework.mHostInitialized) {
+            return 0;
+        }
+        return RePluginCompat.fetchResourceIdByName(pluginName, resTypeAndName);
+    }
+
+    /**
+     * 通过Layout名，来获取插件内的View
+     *
+     * @param pluginName 插件名
+     * @param layoutName Layout名字
+     * @param root Optional view to be the parent of the generated hierarchy.
+     * @return 插件的View。若为Null则表示获取失败
+     * @since 2.2.0 (老的host-lib版本也能使用)
+     */
+    public static View fetchViewByLayoutName(String pluginName, String layoutName, ViewGroup root) {
+        if (!RePluginFramework.mHostInitialized) {
+            return null;
+        }
+        return RePluginCompat.fetchViewByLayoutName(pluginName, layoutName, root);
+    }
+
     /**
      * 获取所有插件的列表（指已安装的）
      *

replugin-plugin-library/replugin-plugin-lib/src/main/java/com/qihoo360/replugin/RePluginCompat.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2005-2017 Qihoo 360 Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed To in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.qihoo360.replugin;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.res.Resources;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.qihoo360.replugin.helper.LogDebug;
+
+import static com.qihoo360.replugin.RePlugin.TAG;
+import static com.qihoo360.replugin.RePlugin.fetchContext;
+import static com.qihoo360.replugin.RePlugin.fetchPackageInfo;
+import static com.qihoo360.replugin.RePlugin.fetchResources;
+
+/**
+ * 为了兼容旧版本RePlugin而做的类 <p>
+ * 必须和host-lib中的方法“近乎完全一样”才可以，避免出现行为不一致的问题 <p>
+ * <p>
+ * 注意：依赖host-lib内部调用的（例如调用了Loader的逻辑等）、或者行为高度和宿主一致的，则还是应该走正常的反射流程
+ *
+ * @author RePlugin Team
+ * @since 2.2.0
+ */
+
+class RePluginCompat {
+
+    /**
+     * @see RePlugin#fetchResourceIdByName(String, String)
+     */
+    static int fetchResourceIdByName(String pluginName, String resTypeAndName) {
+        PackageInfo pi = fetchPackageInfo(pluginName);
+        if (pi == null) {
+            // 插件没有找到
+            if (LogDebug.LOG) {
+                LogDebug.e(TAG, "fetchResourceIdByName: Plugin not found. pn=" + pluginName + "; resName=" + resTypeAndName);
+            }
+            return 0;
+        }
+        Resources res = fetchResources(pluginName);
+        if (res == null) {
+            // 不太可能出现此问题，同样为插件没有找到
+            if (LogDebug.LOG) {
+                LogDebug.e(TAG, "fetchResourceIdByName: Plugin not found (fetchResources). pn=" + pluginName + "; resName=" + resTypeAndName);
+            }
+            return 0;
+        }
+
+        // Identifier的第一个参数想要的是：
+        // [包名]:[类型名]/[资源名]。其中[类型名]/[资源名]就是 resTypeAndName 参数
+        // 例如：com.qihoo360.replugin.sample.demo2:layout/from_demo1
+        String idKey = pi.packageName + ":" + resTypeAndName;
+        return res.getIdentifier(idKey, null, null);
+    }
+
+    /**
+     * @see RePlugin#fetchViewByLayoutName(String, String, ViewGroup)
+     */
+    static View fetchViewByLayoutName(String pluginName, String layoutName, ViewGroup root) {
+        Context context = fetchContext(pluginName);
+        if (context == null) {
+            // 插件没有找到
+            if (LogDebug.LOG) {
+                LogDebug.e(TAG, "fetchViewByLayoutName: Plugin not found. pn=" + pluginName + "; layoutName=" + layoutName);
+            }
+        }
+
+        String resTypeAndName = "layout/" + layoutName;
+        int id = fetchResourceIdByName(pluginName, resTypeAndName);
+        if (id <= 0) {
+            // 无法拿到资源，可能是资源没有找到
+            if (LogDebug.LOG) {
+                LogDebug.e(TAG, "fetchViewByLayoutName: fetch failed! pn=" + pluginName + "; layoutName=" + layoutName);
+            }
+            return null;
+        }
+
+        // TODO 可能要考虑WebView在API 19以上的特殊性
+        return LayoutInflater.from(context).inflate(id, root);
+    }
+}

replugin-sample/plugin/plugin-demo1/app/src/main/java/com/qihoo360/replugin/sample/demo1/MainActivity.java

@@ -22,14 +22,12 @@
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
-import android.content.res.Resources;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.text.TextUtils;
 import android.util.Log;
-import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
@@ -277,15 +275,11 @@ public void onClick(View v) {
         mItems.add(new TestItem("Resources: Use demo2's layout", new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Resources res = RePlugin.fetchResources("demo2");
-                int id = res.getIdentifier("com.qihoo360.replugin.sample.demo2:layout/from_demo1", null, null);
-                if (id == 0) {
+                View contentView = RePlugin.fetchViewByLayoutName("demo2", "from_demo1", null);
+                if (contentView == null) {
                     Toast.makeText(v.getContext(), "from_demo1 Not Found", Toast.LENGTH_SHORT).show();
                     return;
                 }
-
-                // 这块儿得拿demo2的Context，才能Inflate到资源
-                View contentView = LayoutInflater.from(RePlugin.fetchContext("demo2")).inflate(id, null);
                 Dialog d = new Dialog(v.getContext());
                 d.setContentView(contentView);
                 d.show();