Debugger

1.增加safeMode字段接口，设置为true后Debugger.exception不再Throw Exception， 默认为false。
2.增加Log实现接口，方便外部获取Boost相关log信息。

android/src/main/java/com/idlefish/flutterboost/Debuger.java

 /*
  * The MIT License (MIT)
- * 
+ *
  * Copyright (c) 2019 Alibaba Group
- * 
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
- * 
+ *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ -26,15 +26,21 @@ package com.idlefish.flutterboost;
 
 import android.util.Log;
 
+import com.idlefish.flutterboost.log.AndroidLog;
+import com.idlefish.flutterboost.log.ILog;
+
 public class Debuger {
     private static final String TAG = "FlutterBoost#";
     private static final Debuger DEBUG = new Debuger();
+    private static boolean sSafeMode = false;
+    private static ILog sLog = new AndroidLog();
 
-    private Debuger(){ }
+    private Debuger() {
+    }
 
     private void print(String info) {
-        if(isDebug()) {
-            Log.e(TAG, info);
+        if (isDebug()) {
+            sLog.e(TAG, info);
         }
     }
 
@@ -43,26 +49,50 @@ public class Debuger {
     }
 
     public static void exception(String message) {
-        if(isDebug()) {
+        if (canThrowError()) {
             throw new RuntimeException(message);
-        }else{
-            Log.e(TAG,"exception",new RuntimeException(message));
+        } else {
+            sLog.e(TAG, "exception", new RuntimeException(message));
         }
     }
 
     public static void exception(Throwable t) {
-        if(isDebug()) {
+        if (canThrowError()) {
             throw new RuntimeException(t);
-        }else{
-            Log.e(TAG,"exception",t);
+        } else {
+            sLog.e(TAG, "exception", t);
         }
     }
 
-    public static boolean isDebug(){
+    public static boolean isDebug() {
         try {
             return FlutterBoost.instance().platform().isDebug();
-        }catch (Throwable t){
+        } catch (Throwable t) {
             return false;
         }
     }
+
+    /**
+     * 设置boost log接收实现，默认为Anroid自带Log
+     *
+     * @param log
+     */
+    public static void setLog(ILog log) {
+        if (log != null) {
+            sLog = log;
+        }
+    }
+
+    /**
+     * 设置Debugger策略倾向，如tue，则优先保证程序稳定，false，可抛Error
+     *
+     * @param safeMode
+     */
+    public static void setSafeMode(boolean safeMode) {
+        sSafeMode = safeMode;
+    }
+
+    private static boolean canThrowError() {
+        return isDebug() && !sSafeMode;
+    }
 }

android/src/main/java/com/idlefish/flutterboost/log/AndroidLog.java

+package com.idlefish.flutterboost.log;
+
+import android.util.Log;
+
+public class AndroidLog implements ILog {
+    @Override
+    public void d(String tag, String msg) {
+        Log.d(tag, msg);
+    }
+
+    @Override
+    public void d(String tag, String msg, Throwable throwable) {
+        Log.d(tag, msg, throwable);
+    }
+
+    @Override
+    public void e(String tag, String msg) {
+        Log.e(tag, msg);
+    }
+
+    @Override
+    public void e(String tag, String msg, Throwable throwable) {
+        Log.e(tag, msg, throwable);
+    }
+
+    @Override
+    public void i(String tag, String msg) {
+        Log.i(tag, msg);
+
+    }
+
+    @Override
+    public void i(String tag, String msg, Throwable throwable) {
+        Log.i(tag, msg, throwable);
+
+    }
+
+    @Override
+    public void v(String tag, String msg) {
+        Log.v(tag, msg);
+
+    }
+
+    @Override
+    public void v(String tag, String msg, Throwable throwable) {
+        Log.v(tag, msg, throwable);
+
+    }
+
+    @Override
+    public void w(String tag, String msg) {
+        Log.w(tag, msg);
+
+    }
+
+    @Override
+    public void w(String tag, String msg, Throwable throwable) {
+        Log.w(tag, msg, throwable);
+
+    }
+
+    @Override
+    public boolean isLogLevelEnabled(int level) {
+        return true;
+    }
+}

android/src/main/java/com/idlefish/flutterboost/log/ILog.java

+package com.idlefish.flutterboost.log;
+
+public interface ILog {
+    public enum LogLevelEnum {
+        VERBOSE(0, "V"), DEBUG(1, "D"), INFO(2, "I"), WARNING(3, "W"), ERROR(4, "E");
+        private String logLevelName;
+        private int loglevel;
+
+        LogLevelEnum(int loglevel, String name) {
+            this.loglevel = loglevel;
+            this.logLevelName = name;
+        }
+
+        public String getLogLevelName() {
+            return logLevelName;
+        }
+
+        public int getLoglevel() {
+            return loglevel;
+        }
+    }
+
+    void d(String tag, String msg);
+
+    void d(String tag, String msg, Throwable throwable);
+
+    void e(String tag, String msg);
+
+    void e(String tag, String msg, Throwable throwable);
+
+    void i(String tag, String msg);
+
+    void i(String tag, String msg, Throwable throwable);
+
+    void v(String tag, String msg);
+
+    void v(String tag, String msg, Throwable throwable);
+
+    void w(String tag, String msg);
+
+    void w(String tag, String msg, Throwable throwable);
+
+    boolean isLogLevelEnabled(int level);
+}