1

app/src/main/java/com/polysoft/nafmii/fragment/dialog/DownloadDialog.java

+package com.polysoft.nafmii.fragment.dialog;
+
+import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.FragmentManager;
+
+import com.polysoft.nafmii.net.OkhttpApi;
+import com.polysoft.nafmii.utils.FileUtils;
+import com.polysoft.nafmii.utils.ToastUtils;
+import com.whaty.nafmii.R;
+
+import java.io.File;
+
+public class DownloadDialog extends DialogFragment {
+
+    private String url;
+    private String fileName;
+    private TextView mProgressText;
+
+    public static void show(FragmentManager manager, String url, String fileName) {
+        DownloadDialog dialog = new DownloadDialog(url, fileName);
+        dialog.show(manager, "downloadidalog");
+    }
+
+    private DownloadDialog(String url, String fileName) {
+        this.url = url;
+        this.fileName = fileName;
+    }
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+//        super.setStyle(DialogFragment.STYLE_NO_TITLE, 0);
+        super.setCancelable(false);
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.download_dialog, container, false);
+        this.mProgressText = view.findViewById(R.id.download_progress);
+        return view;
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        getDialog().getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
+        getDialog().getWindow().setDimAmount(0f);
+
+        this.start();
+    }
+
+    private void start() {
+        String name = this.fileName;
+        File file = new File(FileUtils.getSysDownLoadDir(), name);
+        OkhttpApi.doDownload(this.url, file, new OkhttpApi.IDownListener() {
+            @Override
+            public void onProgress(int progress) {
+                if (progress == 100) {
+                    mProgressText.post(() -> {
+                        ToastUtils.showLong("下载完成 " + file.getAbsoluteFile());
+                        dismiss();
+                    });
+                    return;
+                }
+                mProgressText.post(() -> mProgressText.setText(String.format("%d%%", progress)));
+            }
+
+            @Override
+            public void onFail() {
+                mProgressText.post(() -> {
+                    ToastUtils.showLong("下载失败 ");
+                    dismiss();
+                });
+            }
+        });
+    }
+}

app/src/main/java/com/polysoft/nafmii/net/OkhttpApi.java

@@ -40,7 +40,9 @@ public class OkhttpApi {
         if (client == null) {
             synchronized (OkhttpApi.class) {
                 if (client == null) {
-                    client = new OkHttpClient.Builder().addInterceptor(new RequestInterceptor()).build();
+                    client = new OkHttpClient.Builder()
+//                            .addInterceptor(new RequestInterceptor())
+                            .build();
                 }
             }
         }
@@ -83,12 +85,26 @@ public class OkhttpApi {
 
     }
 
-    public static void doDownload(String url, final File file) {
+    public static void doDownload(String url, final File file, IDownListener downListener) {
+        if (null == downListener) {
+            downListener = new IDownListener() {
+                @Override
+                public void onProgress(int progress) {
+
+                }
+
+                @Override
+                public void onFail() {
+
+                }
+            };
+        }
         Request request = new Request.Builder().url(url).build();
+        IDownListener finalDownListener = downListener;
         getInstance().newCall(request).enqueue(new Callback() {
             @Override
             public void onFailure(@NotNull Call call, @NotNull IOException e) {
-
+                finalDownListener.onFail();
             }
 
             @Override
@@ -99,18 +115,31 @@ public class OkhttpApi {
 
                 ResponseBody body = response.body();
                 long total = body.contentLength();
+                if (file.exists()) {
+                    file.delete();
+                }
                 FileOutputStream fos = new FileOutputStream(file);
                 InputStream stream = body.byteStream();
+                if (total < 0) {
+                    total = stream.available();
+                }
                 try {
                     int len = 0;
                     long sum = 0;
                     byte[] buffer = new byte[1024 * 4];
+                    int oldProgress = 0;
                     while ((len = stream.read(buffer)) != -1) {
                         fos.write(buffer, 0, len);
-//                        sum += len;
-//                        int progress = (int) (sum * 100 / total );
+                        sum += len;
+                        int progress = (int) (sum * 100 / total );
+                        if (oldProgress != progress) {
+                            finalDownListener.onProgress(progress);
+                            oldProgress = progress;
+                        }
                     }
                 } catch (Exception e) {
+                    e.printStackTrace();
+                    finalDownListener.onFail();
                     IOUtils.close(fos);
                     IOUtils.close(stream);
                 }
@@ -155,6 +184,11 @@ public class OkhttpApi {
         }
     }
 
+    public interface IDownListener {
+        void onProgress(int progress);
+        void onFail();
+    }
+
     private static class RequestInterceptor implements Interceptor {
         private final String TAG = "okhttp3";
 

app/src/main/java/com/polysoft/nafmii/utils/CtxUtils.java

@@ -4,7 +4,9 @@ import android.app.Application;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.res.AssetManager;
+import android.os.Environment;
 
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 
@@ -32,6 +34,10 @@ public class CtxUtils {
         return getApplication().getSystemService(c);
     }
 
+    public static File getDownloadDir() {
+        return getApplication().getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS);
+    }
+
 
     public static PackageInfo getPackageInfo() {
         PackageManager manager = getApplication().getPackageManager();

app/src/main/java/com/polysoft/nafmii/utils/FileUtils.java

 package com.polysoft.nafmii.utils;
 
+import android.os.Environment;
+
 import java.io.File;
 
 public class FileUtils {
@@ -24,6 +26,11 @@ public class FileUtils {
         return download;
     }
 
+    public static File getSysDownLoadDir() {
+        return Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
+//        return CtxUtils.getApplication().getExternalFilesDir();
+    }
+
     public static File getRootDir() {
         return CtxUtils.getApplication().getFilesDir();
     }

app/src/main/java/com/polysoft/nafmii/webview/NativeApi.java

@@ -7,6 +7,8 @@ import android.content.pm.PackageInfo;
 import android.text.TextUtils;
 import android.webkit.JavascriptInterface;
 
+import androidx.fragment.app.FragmentManager;
+
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.util.TypeUtils;
@@ -19,11 +21,13 @@ import com.polysoft.nafmii.broadcast.ShareReceiver;
 import com.polysoft.nafmii.database.ObjectBox;
 import com.polysoft.nafmii.database.entity.DataEntity;
 import com.polysoft.nafmii.enums.DatabaseEnum;
+import com.polysoft.nafmii.fragment.dialog.DownloadDialog;
 import com.polysoft.nafmii.fragment.dialog.FingerprintDialog;
 import com.polysoft.nafmii.jpush.JPushMgr;
 import com.polysoft.nafmii.net.OkhttpApi;
 import com.polysoft.nafmii.utils.BitmapUtils;
 import com.polysoft.nafmii.utils.CtxUtils;
+import com.polysoft.nafmii.utils.FileUtils;
 import com.polysoft.nafmii.utils.IntentUtils;
 import com.polysoft.nafmii.utils.PermissionUtils;
 import com.polysoft.nafmii.utils.StatusBarUtils;
@@ -31,6 +35,7 @@ import com.polysoft.nafmii.wechat.ShareBean;
 import com.polysoft.nafmii.wechat.WechatApi;
 import com.whaty.nafmii.activity.OutsideWebviewActivity;
 
+import java.io.File;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -186,7 +191,10 @@ public class NativeApi {
         new JsInterfaceHandler(handler).parse(params, (data, js) -> {
             String name = data.getString("name");
             String url = data.getString("url");
-//            OkhttpApi.doDownload(url, );
+            this.mActivity.runOnUiThread(()-> {
+                FragmentManager manager = this.handler.getFragmentManager();
+                DownloadDialog.show(manager, url, name);
+            });
             js.success(null);
         });
     }

app/src/main/java/com/whaty/nafmii/activity/MainActivity.java

@@ -9,6 +9,7 @@ import androidx.fragment.app.FragmentTransaction;
 
 import com.polysoft.nafmii.fragment.AdvertisementFragment;
 import com.polysoft.nafmii.fragment.GuideFragment;
+import com.polysoft.nafmii.fragment.dialog.DownloadDialog;
 import com.polysoft.nafmii.utils.CtxUtils;
 import com.polysoft.nafmii.utils.IntentUtils;
 import com.polysoft.nafmii.utils.PermissionUtils;

app/src/main/res/drawable/dialog_bg_round.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <corners android:radius="5dp" />   <!-- 设置圆角弧度 -->
+    <solid android:color="#99000000" />   <!-- 设置背景颜色 -->
+
+</shape>
\ No newline at end of file

app/src/main/res/layout/download_dialog.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@android:color/transparent"
+    android:fitsSystemWindows="false">
+
+    <FrameLayout
+        android:layout_width="130dp"
+        android:layout_height="130dp"
+        android:background="@drawable/dialog_bg_round"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+    </FrameLayout>
+
+    <com.wang.avi.AVLoadingIndicatorView
+        android:id="@+id/download_loading"
+        style="@style/AVLoadingIndicatorView"
+        android:layout_width="60dp"
+        android:layout_height="60dp"
+        app:indicatorColor="@color/white"
+        app:indicatorName="BallSpinFadeLoaderIndicator"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="MissingConstraints" />
+
+    <TextView
+        android:id="@+id/download_progress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="1%"
+        android:textColor="@color/white"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="MissingConstraints" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file