Fix file sharing

4 files changed, 65 insertions, 7 deletions

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 288e289d5..66cb06a62 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -371,6 +371,16 @@
                     android:scheme="package"/>
             </intent-filter>
         </receiver>
+        
+        <provider
+            android:authorities="de.danoeh.antennapod.provider"
+            android:name="android.support.v4.content.FileProvider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/provider_paths"/>
+        </provider>
 
         <meta-data
             android:name="de.danoeh.antennapod.core.glide.ApGlideModule"
diff --git a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
index 2ca7dd029..f46d44320 100644
--- a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
+++ b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
@@ -10,6 +10,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
 import android.net.Uri;
 import android.net.wifi.WifiConfiguration;
@@ -24,6 +25,7 @@ import android.preference.PreferenceScreen;
 import android.support.design.widget.Snackbar;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.content.ContextCompat;
+import android.support.v4.content.FileProvider;
 import android.support.v7.app.AlertDialog;
 import android.text.Editable;
 import android.text.Html;
@@ -59,6 +61,7 @@ import de.danoeh.antennapod.activity.PreferenceActivity;
 import de.danoeh.antennapod.activity.PreferenceActivityGingerbread;
 import de.danoeh.antennapod.activity.StatisticsActivity;
 import de.danoeh.antennapod.asynctask.ExportWorker;
+import de.danoeh.antennapod.core.BuildConfig;
 import de.danoeh.antennapod.core.export.ExportWriter;
 import de.danoeh.antennapod.core.export.html.HtmlWriter;
 import de.danoeh.antennapod.core.export.opml.OpmlWriter;
@@ -158,7 +161,7 @@ public class PreferenceController implements SharedPreferences.OnSharedPreferenc
     public void onCreate() {
         final Activity activity = ui.getActivity();
 
-        if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
             // disable expanded notification option on unsupported android versions
             ui.findPreference(PreferenceController.PREF_EXPANDED_NOTIFICATION).setEnabled(false);
             ui.findPreference(PreferenceController.PREF_EXPANDED_NOTIFICATION).setOnPreferenceClickListener(
@@ -230,8 +233,12 @@ public class PreferenceController implements SharedPreferences.OnSharedPreferenc
                 .setOnPreferenceChangeListener(
                         (preference, newValue) -> {
                             Intent i = new Intent(activity, MainActivity.class);
-                            i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK
-                                    | Intent.FLAG_ACTIVITY_NEW_TASK);
+                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+                                i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK
+                                        | Intent.FLAG_ACTIVITY_NEW_TASK);
+                            } else {
+                                i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                            }
                             activity.finish();
                             activity.startActivity(i);
                             return true;
@@ -441,14 +448,25 @@ public class PreferenceController implements SharedPreferences.OnSharedPreferenc
             return true;
         });
         ui.findPreference(PREF_SEND_CRASH_REPORT).setOnPreferenceClickListener(preference -> {
+            Context context = ui.getActivity().getApplicationContext();
             Intent emailIntent = new Intent(Intent.ACTION_SEND);
             emailIntent.setType("text/plain");
             emailIntent.putExtra(Intent.EXTRA_EMAIL, new String[]{"Martin.Fietz@gmail.com"});
             emailIntent.putExtra(Intent.EXTRA_SUBJECT, "AntennaPod Crash Report");
             emailIntent.putExtra(Intent.EXTRA_TEXT, "Please describe what you were doing when the app crashed");
             // the attachment
-            emailIntent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(CrashReportWriter.getFile()));
+            Uri fileUri = FileProvider.getUriForFile(context, "de.danoeh.antennapod.provider",
+                    CrashReportWriter.getFile());
+            emailIntent.putExtra(Intent.EXTRA_STREAM, fileUri);
+            emailIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
             String intentTitle = ui.getActivity().getString(R.string.send_email);
+            if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
+                List<ResolveInfo> resInfoList = context.getPackageManager().queryIntentActivities(emailIntent, PackageManager.MATCH_DEFAULT_ONLY);
+                for (ResolveInfo resolveInfo : resInfoList) {
+                    String packageName = resolveInfo.activityInfo.packageName;
+                    context.grantUriPermission(packageName, fileUri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                }
+            }
             ui.getActivity().startActivity(Intent.createChooser(emailIntent, intentTitle));
             return true;
         });
@@ -475,12 +493,21 @@ public class PreferenceController implements SharedPreferences.OnSharedPreferenc
                     String message = context.getString(R.string.opml_export_success_sum) + output.toString();
                     alert.setMessage(message);
                     alert.setPositiveButton(R.string.send_label, (dialog, which) -> {
-                        Uri outputUri = Uri.fromFile(output);
+                        Uri fileUri = FileProvider.getUriForFile(context.getApplicationContext(),
+                                "de.danoeh.antennapod.provider", output);
                         Intent sendIntent = new Intent(Intent.ACTION_SEND);
                         sendIntent.putExtra(Intent.EXTRA_SUBJECT,
                                 context.getResources().getText(R.string.opml_export_label));
-                        sendIntent.putExtra(Intent.EXTRA_STREAM, outputUri);
+                        sendIntent.putExtra(Intent.EXTRA_STREAM, fileUri);
                         sendIntent.setType("text/plain");
+                        sendIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
+                            List<ResolveInfo> resInfoList = context.getPackageManager().queryIntentActivities(sendIntent, PackageManager.MATCH_DEFAULT_ONLY);
+                            for (ResolveInfo resolveInfo : resInfoList) {
+                                String packageName = resolveInfo.activityInfo.packageName;
+                                context.grantUriPermission(packageName, fileUri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                            }
+                        }
                         context.startActivity(Intent.createChooser(sendIntent,
                                 context.getResources().getText(R.string.send_label)));
                     });
diff --git a/app/src/main/res/xml/provider_paths.xml b/app/src/main/res/xml/provider_paths.xml
new file mode 100644
index 000000000..4ff893110
--- /dev/null
+++ b/app/src/main/res/xml/provider_paths.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+    <external-path name="external_files" path="."/>
+</paths>
diff --git a/core/src/main/java/de/danoeh/antennapod/core/util/ShareUtils.java b/core/src/main/java/de/danoeh/antennapod/core/util/ShareUtils.java
index 887c0055c..343b4dc3b 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/util/ShareUtils.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/util/ShareUtils.java
@@ -3,13 +3,20 @@ package de.danoeh.antennapod.core.util;
 import android.content.Context;
 import android.content.Intent;
 
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.net.Uri;
+import android.os.Build;
+import android.support.v4.content.FileProvider;
+import android.util.Log;
+
 import de.danoeh.antennapod.core.R;
 import de.danoeh.antennapod.core.feed.Feed;
 import de.danoeh.antennapod.core.feed.FeedItem;
 import de.danoeh.antennapod.core.feed.FeedMedia;
 
 import java.io.File;
+import java.util.List;
 
 /** Utility methods for sharing data */
 public class ShareUtils {
@@ -65,8 +72,18 @@ public class ShareUtils {
 	public static void shareFeedItemFile(Context context, FeedMedia media) {
 		Intent i = new Intent(Intent.ACTION_SEND);
 		i.setType(media.getMime_type());
-		i.putExtra(Intent.EXTRA_STREAM,  Uri.fromFile(new File(media.getLocalMediaUrl())));
+		Uri fileUri = FileProvider.getUriForFile(context, "de.danoeh.antennapod.provider",
+				new File(media.getLocalMediaUrl()));
+		i.putExtra(Intent.EXTRA_STREAM,  fileUri);
 		i.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+		if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
+			List<ResolveInfo> resInfoList = context.getPackageManager().queryIntentActivities(i, PackageManager.MATCH_DEFAULT_ONLY);
+			for (ResolveInfo resolveInfo : resInfoList) {
+				String packageName = resolveInfo.activityInfo.packageName;
+				context.grantUriPermission(packageName, fileUri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
+			}
+		}
 		context.startActivity(Intent.createChooser(i, context.getString(R.string.share_file_label)));
+		Log.e(TAG, "Foo");
 	}
 }