集成热更，热更逻辑编写

app/src/main/java/com/gh/common/util/DexUtils.java

@@ -8,6 +8,7 @@ import android.content.Context;
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
@@ -18,7 +19,7 @@ import java.io.OutputStream;
 public class DexUtils {
     private static final int BUF_SIZE = 2048;
 
-    public static boolean prepareDex(Context context, File dexInternalStoragePath, String dex_file) {
+    public static boolean prepareAssetsDex(Context context, File dexInternalStoragePath, String dex_file) {
         BufferedInputStream bis = null;
         OutputStream dexWriter = null;
 
@@ -51,4 +52,38 @@ public class DexUtils {
             return false;
         }
     }
+
+    public static boolean prepareDex(Context context, File dexInternalStoragePath, File dex_file) {
+        BufferedInputStream bis = null;
+        OutputStream dexWriter = null;
+
+        try {
+            bis = new BufferedInputStream(new FileInputStream(dex_file));
+            dexWriter = new BufferedOutputStream(new FileOutputStream(dexInternalStoragePath));
+            byte[] buf = new byte[BUF_SIZE];
+            int len;
+            while ((len = bis.read(buf, 0, BUF_SIZE)) > 0) {
+                dexWriter.write(buf, 0, len);
+            }
+            dexWriter.close();
+            bis.close();
+            return true;
+        } catch (IOException e) {
+            if (dexWriter != null) {
+                try {
+                    dexWriter.close();
+                } catch (IOException ioe) {
+                    ioe.printStackTrace();
+                }
+            }
+            if (bis != null) {
+                try {
+                    bis.close();
+                } catch (IOException ioe) {
+                    ioe.printStackTrace();
+                }
+            }
+            return false;
+        }
+    }
 }