完成了子线程中获取md5并发到主线程的功能

CloudKey/app/src/main/java/com/thankvinci/CloudKey/Files/FileAdapter.java

@@ -13,7 +13,10 @@ import androidx.navigation.Navigation;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.thankvinci.CloudKey.Fragment.FileManageFragment;
+import com.thankvinci.CloudKey.MainActivity;
 import com.thankvinci.CloudKey.R;
+import com.thankvinci.CloudKey.Utils.FileHandler;
+import com.thankvinci.CloudKey.Utils.FileThread;
 
 import org.apache.commons.codec.digest.DigestUtils;
 
@@ -67,12 +70,10 @@ public class FileAdapter extends RecyclerView.Adapter<FileAdapter.ViewHolder> {
                 }else{
                     //Toast.makeText(v.getContext(),fitem.getName()+" "+fitem.isCompress(),Toast.LENGTH_SHORT).show();
                     if (fitem.isCompress()){
-                        try {
-                            String filemd5 = DigestUtils.md5Hex(new FileInputStream(builder.toString()));
-                            Toast.makeText(v.getContext(),"MD5码为:\n"+filemd5,Toast.LENGTH_LONG).show();
-                        } catch (IOException e) {
-                            e.printStackTrace();
-                        }
+                        FileHandler fileHandler = new FileHandler((MainActivity)v.getContext());
+                        Thread ft = new Thread(new FileThread(fileHandler,builder.toString(),null,0));
+                        ft.start();
+                        Toast.makeText(v.getContext(),"线程正在处理,请稍后",Toast.LENGTH_LONG).show();
                     }else{
                         Toast.makeText(v.getContext(),"没有打开除文件夹和压缩包以外的功能",Toast.LENGTH_SHORT).show();
                     }

CloudKey/app/src/main/java/com/thankvinci/CloudKey/Files/FileUtils.java

@@ -1,6 +1,11 @@
 package com.thankvinci.CloudKey.Files;
 
+import org.apache.commons.codec.digest.DigestUtils;
+
 import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
@@ -24,5 +29,8 @@ public class FileUtils {
         });
     }
     //获取文件的MD5码值
-    public static void getFileMD5(File f){}
+    public static String getFileMD5(String path) throws IOException {
+        String filemd5 = DigestUtils.md5Hex(new FileInputStream(path));
+        return filemd5;
+    }
 }

CloudKey/app/src/main/java/com/thankvinci/CloudKey/Fragment/FileManageFragment.java

@@ -19,6 +19,7 @@ import com.thankvinci.CloudKey.Files.FileAdapter;
 import com.thankvinci.CloudKey.Files.FileItem;
 import com.thankvinci.CloudKey.Files.FileUtils;
 import com.thankvinci.CloudKey.R;
+import com.thankvinci.CloudKey.Utils.MyUtils;
 
 import java.io.File;
 import java.util.ArrayList;
@@ -58,6 +59,14 @@ public class FileManageFragment extends Fragment {
         path_edit.setText(dir);
         path_edit.setSelection(dir.length());
         loadDirectory();
+
+        path_edit.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                MyUtils.copyToClipboard(getActivity(),path_edit.getText().toString());
+                Toast.makeText(getActivity(),"当前路径已复制到剪贴板",Toast.LENGTH_SHORT).show();
+            }
+        });
     }
     public String getDir(){
         return dir;

CloudKey/app/src/main/java/com/thankvinci/CloudKey/Utils/FileHandler.java

@@ -0,0 +1,27 @@
+package com.thankvinci.CloudKey.Utils;
+
+import android.app.Activity;
+import android.os.Handler;
+import android.os.Message;
+import android.widget.Toast;
+
+public class FileHandler extends Handler {
+    //定义功能选择的常量 获取MD5和解压
+    final static int FUNCTION_GET_MD5 = 0;
+    final static int FUNCTION_DECOMPRESS = 1;
+
+    private Activity activity;
+
+    public FileHandler(Activity activity){
+        this.activity = activity;
+    }
+    @Override
+    public void handleMessage(Message msg) {
+        super.handleMessage(msg);
+        switch (msg.what){
+            case FUNCTION_GET_MD5:
+                Toast.makeText(activity,msg.getData().getString("md5"),Toast.LENGTH_SHORT).show();
+                break;
+        }
+    }
+}

CloudKey/app/src/main/java/com/thankvinci/CloudKey/Utils/FileThread.java

@@ -0,0 +1,50 @@
+package com.thankvinci.CloudKey.Utils;
+
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+
+import com.thankvinci.CloudKey.Files.FileUtils;
+
+import java.io.IOException;
+
+public class FileThread implements Runnable{
+
+    final static int FUNCTION_GET_MD5 = 0;
+    final static int FUNCTION_DECOMPRESS = 1;
+
+    private String srcPath,desPath,md5;
+    private Handler handler;
+
+    private int function;
+
+    public FileThread(Handler handler,String srcPath,String desPath,final int FUNCTION){
+        this.handler = handler;
+        this.srcPath = srcPath;
+        this.desPath = desPath;
+        this.function = FUNCTION;
+    }
+    @Override
+    public void run(){
+        Message msg = new Message();
+        Bundle data = new Bundle();
+        switch (function){
+            case FUNCTION_GET_MD5:
+                try {
+                    md5 = FileUtils.getFileMD5(srcPath);
+                    data.putString("md5",md5);
+                    msg.what = FUNCTION_GET_MD5;
+                    msg.setData(data);
+                    handler.sendMessage(msg);
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+
+                break;
+            case FUNCTION_DECOMPRESS:
+                break;
+            default: break;
+        }
+    }
+
+}

CloudKey/app/src/main/java/com/thankvinci/CloudKey/Utils/MyUtils.java

@@ -0,0 +1,12 @@
+package com.thankvinci.CloudKey.Utils;
+
+import android.app.Activity;
+import android.content.ClipboardManager;
+import android.content.Context;
+
+public class MyUtils {
+    public static void copyToClipboard(Activity activity,String str){
+        ClipboardManager cmb = (ClipboardManager)activity.getSystemService(Context.CLIPBOARD_SERVICE);
+        cmb.setText(str);
+    }
+}

开发历程.md

@@ -224,3 +224,25 @@ public static final View.OnClickListener createNavigateOnClickListener(@IdRes in
 将loadRoot和loadDirectory两个方法合并为loadDirectory(),本质上都是加载一个目录
 
 发现不管怎么加载都是根目录的内容,随后发现是之前的一个错误想法:在当前的fragment刷新布局,然后原来的布局压栈,虽然找到了navigation的方法,但是为了节约资源将FileAdapter设置为单例模式没有改回来.
+
+**2021/6/11**
+
+实现获取文件md5码的功能,使用到的库是:implementation group: 'commons-codec', name: 'commons-codec', version: '1.15'
+
+**2021/6/11**
+
+发现获取文件md5码的过程是在主线程中,当文件过大时,主线程阻塞,设置为子线程执行,之后的文件解压同理
+
+涉及到线程和handler就得回到之前对handler的规范
+
+本程序有两个线程,一个是NetThread,另一个是FileThread,同样就有两个Handler
+
+先完成FileThread和FileHandler
+
+ FileThread主要处理 获取文件md5码和解压
+
+FileHandler负责将获取到的md5码发到NetThread,然后将得到的密码输出到密码输入框
+
+**2021/6/12**
+
+完成了子线程中获取md5并发到主线程的功能