Merge pull request #12 from yehunxin/yehunxin

Yehunxin

app/src/main/java/xyz/fycz/myreader/ui/dialog/MyAlertDialog.java

@@ -2,6 +2,7 @@ package xyz.fycz.myreader.ui.dialog;
 
 import android.app.Activity;
 import android.app.Dialog;
+import android.app.DownloadManager;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -9,6 +10,7 @@ import android.content.Intent;
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.os.Build;
+import android.os.Environment;
 import android.text.Editable;
 import android.text.InputType;
 import android.text.SpannableString;
@@ -17,12 +19,15 @@ import android.text.TextPaint;
 import android.text.TextWatcher;
 import android.text.method.LinkMovementMethod;
 import android.text.style.ClickableSpan;
+import android.util.Log;
 import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.inputmethod.InputMethodManager;
+import android.webkit.DownloadListener;
 import android.webkit.JsResult;
+import android.webkit.URLUtil;
 import android.webkit.WebChromeClient;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
@@ -52,10 +57,13 @@ import xyz.fycz.myreader.greendao.service.BookGroupService;
 import xyz.fycz.myreader.util.CyptoUtils;
 import xyz.fycz.myreader.util.SharedPreUtils;
 import xyz.fycz.myreader.util.StatusBarUtil;
+import xyz.fycz.myreader.util.download.DownloadUtil;
 import xyz.fycz.myreader.util.help.StringHelper;
 import xyz.fycz.myreader.util.ToastUtils;
 import xyz.fycz.myreader.util.utils.FingerprintUtils;
 
+import static android.content.Context.DOWNLOAD_SERVICE;
+
 /**
  * @author fengyue
  * @date 2020/9/20 9:48
@@ -446,6 +454,10 @@ public class MyAlertDialog {
 
                 });
 
+                webView.setDownloadListener((url1, userAgent, contentDisposition, mimetype, contentLength) -> {
+                    DownloadUtil.downloadBySystem(context, url1, contentDisposition, mimetype);
+                });
+
                 webView.loadUrl(url);
             }
         }).setOnBackPressedListener(() -> {
@@ -470,4 +482,6 @@ public class MyAlertDialog {
     public interface OnInputFinishListener {
         void finish(String text);
     }
+
+
 }

app/src/main/java/xyz/fycz/myreader/util/download/DownloadCompleteReceiver.java

@@ -0,0 +1,41 @@
+package xyz.fycz.myreader.util.download;
+
+import android.app.DownloadManager;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.text.TextUtils;
+import android.util.Log;
+
+import static android.content.Context.DOWNLOAD_SERVICE;
+
+public class DownloadCompleteReceiver extends BroadcastReceiver {
+    private static final String TAG = DownloadCompleteReceiver.class.getSimpleName();
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Log.d(TAG, String.format("onReceive. intent:%s", intent != null ? intent.toUri(0) : null));
+        if (intent != null) {
+            if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(intent.getAction())) {
+                long downloadId = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1);
+                Log.d(TAG, String.format("downloadId:%s", downloadId));
+                DownloadManager downloadManager = (DownloadManager) context.getSystemService(DOWNLOAD_SERVICE);
+                String type = downloadManager.getMimeTypeForDownloadedFile(downloadId);
+                Log.d(TAG, String.format("getMimeTypeForDownloadedFile:%s", type));
+                if (TextUtils.isEmpty(type)) {
+                    type = "*/*";
+                }
+                Uri uri = downloadManager.getUriForDownloadedFile(downloadId);
+                Log.d(TAG, String.format("UriForDownloadedFile:%s", uri));
+                if (uri != null) {
+                    Intent handlerIntent = new Intent(Intent.ACTION_VIEW);
+                    handlerIntent.setDataAndType(uri, type);
+                    context.startActivity(handlerIntent);
+                }
+                context.unregisterReceiver(this);
+            }
+        }
+    }
+}
+

app/src/main/java/xyz/fycz/myreader/util/download/DownloadUtil.java

@@ -0,0 +1,74 @@
+package xyz.fycz.myreader.util.download;
+
+import android.app.DownloadManager;
+import android.content.Context;
+import android.content.IntentFilter;
+import android.net.Uri;
+import android.os.Environment;
+import android.util.Log;
+import android.webkit.URLUtil;
+
+import com.hjq.permissions.OnPermissionCallback;
+
+import java.util.List;
+
+import xyz.fycz.myreader.ui.dialog.DialogCreator;
+import xyz.fycz.myreader.util.utils.StoragePermissionUtils;
+
+import static android.content.Context.DOWNLOAD_SERVICE;
+
+public class DownloadUtil {
+
+    private static final String TAG = DownloadUtil.class.getSimpleName();
+
+    public static void downloadBySystem(Context context, String url, String contentDisposition, String mimeType) {
+        StoragePermissionUtils.request(context, (permissions, all) -> {
+            String fileName = URLUtil.guessFileName(url, contentDisposition, mimeType);
+            Log.d(TAG, String.format("fileName:%s", fileName));
+            DialogCreator.createCommonDialog(context, "添加下载",
+                    "确定要下载文件[" + fileName + "]吗？", true, (dialog, which) -> {
+                        startDownload(context, url, contentDisposition, mimeType);
+                    }, null);
+        });
+    }
+
+    private static void startDownload(Context context, String url, String contentDisposition, String mimeType) {
+        registerReceiver(context);
+        // 指定下载地址
+        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
+        // 允许媒体扫描，根据下载的文件类型被加入相册、音乐等媒体库
+        request.allowScanningByMediaScanner();
+        // 设置通知的显示类型，下载进行时和完成后显示通知
+        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
+        // 设置通知栏的标题，如果不设置，默认使用文件名
+//        request.setTitle("This is title");
+        // 设置通知栏的描述
+//        request.setDescription("This is description");
+        // 允许在计费流量下下载
+        request.setAllowedOverMetered(true);
+        // 允许该记录在下载管理界面可见
+        request.setVisibleInDownloadsUi(true);
+        // 允许漫游时下载
+        request.setAllowedOverRoaming(true);
+        // 允许下载的网路类型
+        //request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI);
+        // 设置下载文件保存的路径和文件名
+        String fileName = URLUtil.guessFileName(url, contentDisposition, mimeType);
+        request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
+//        另外可选一下方法，自定义下载路径
+//        request.setDestinationUri()
+//        request.setDestinationInExternalFilesDir()
+        final DownloadManager downloadManager = (DownloadManager) context.getSystemService(DOWNLOAD_SERVICE);
+        // 添加一个下载任务
+        long downloadId = downloadManager.enqueue(request);
+        Log.d(TAG, String.format("downloadId:%s", downloadId));
+    }
+
+    public static void registerReceiver(Context context) {
+        // 使用
+        DownloadCompleteReceiver receiver = new DownloadCompleteReceiver();
+        IntentFilter intentFilter = new IntentFilter();
+        intentFilter.addAction(DownloadManager.ACTION_DOWNLOAD_COMPLETE);
+        context.registerReceiver(receiver, intentFilter);
+    }
+}