1

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

 package com.polysoft.nafmii.fragment.dialog;
 
-import android.content.Intent;
 import android.graphics.Color;
 import android.graphics.drawable.ColorDrawable;
-import android.net.Uri;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.webkit.MimeTypeMap;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
@@ -17,7 +14,6 @@ import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.FragmentManager;
 
 import com.polysoft.nafmii.net.OkhttpApi;
-import com.polysoft.nafmii.utils.FileProviderUtils;
 import com.polysoft.nafmii.utils.FileUtils;
 import com.polysoft.nafmii.utils.ToastUtils;
 import com.whaty.nafmii.R;
@@ -79,7 +75,7 @@ public class DownloadDialog extends DialogFragment {
                     String tipsPath = new File(downloadName, name).getAbsolutePath();
                     mProgressText.post(() -> {
                         ToastUtils.showLong("下载目录 " + tipsPath);
-                        openFile(file);
+                        FileUtils.openFile(getActivity(), file);
                         dismiss();
                     });
                     return;
@@ -96,15 +92,4 @@ public class DownloadDialog extends DialogFragment {
             }
         });
     }
-
-
-    private void openFile(File file) {
-        Intent intent = new Intent(Intent.ACTION_VIEW);
-        Uri fileUri = FileProviderUtils.getUriForFile(getContext(), file);
-        String extension = MimeTypeMap.getFileExtensionFromUrl(fileUri.toString());
-        String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
-        intent.setDataAndType(fileUri, mimeType);
-        getActivity().startActivity(intent);
-    }
-
 }

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

 package com.polysoft.nafmii.utils;
 
+import android.content.Context;
+import android.net.Uri;
 import android.os.Environment;
 import android.text.TextUtils;
 
@@ -80,4 +82,12 @@ public class FileUtils {
         }
         return "";
     }
+
+    public static void openFile(Context context, File file) {
+        if (!file.exists()) {
+            return;
+        }
+        Uri uri = FileProviderUtils.getUriForFile(context, file);
+        IntentUtils.startOpenFile(context, uri);
+    }
 }

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

@@ -9,10 +9,10 @@ import android.os.Bundle;
 import android.os.Environment;
 import android.os.Parcelable;
 import android.provider.MediaStore;
+import android.webkit.MimeTypeMap;
 
 import com.whaty.nafmii.BuildConfig;
 import com.whaty.nafmii.activity.HomeActivity;
-import com.whaty.nafmii.activity.InputUrlActivity;
 
 import java.io.File;
 
@@ -95,4 +95,12 @@ public class IntentUtils {
                 + File.separator + context.getPackageName()
                 + File.separator + "temp.jpg";
     }
+
+    public static void startOpenFile(Context context, Uri fileUri) {
+        Intent intent = new Intent(Intent.ACTION_VIEW);
+        String extension = MimeTypeMap.getFileExtensionFromUrl(fileUri.toString());
+        String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
+        intent.setDataAndType(fileUri, mimeType);
+        context.startActivity(intent);
+    }
 }