add GPX receiver via intent

app/src/main/AndroidManifest.xml

@@ -621,5 +621,18 @@
         <activity
             android:name=".devices.um25.Activity.DataActivity"
             android:exported="true" />
+
+        <activity
+            android:name=".activities.GpxReceiverActivity"
+            android:label="@string/gpx_receiver_activity_title"
+            android:screenOrientation="portrait"
+            android:windowSoftInputMode="stateHidden">
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <action android:name="android.intent.action.SEND_MULTIPLE" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="*/*" />
+            </intent-filter>
+        </activity>
     </application>
-</manifest>
+</manifest>

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/ActivitySummaryDetail.java

@@ -288,6 +288,7 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
             public void onClick(View view) {
                 export_path = get_path();
                 filesGpxList = get_gpx_file_list();
+
                 AlertDialog.Builder builder = new AlertDialog.Builder(ActivitySummaryDetail.this);
                 builder.setTitle(R.string.activity_summary_detail_select_gpx_track);
                 ArrayAdapter<String> directory_listing = new ArrayAdapter<String>(ActivitySummaryDetail.this, android.R.layout.simple_list_item_1, filesGpxList);
@@ -374,7 +375,7 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
         try {
             path = FileUtils.getExternalFilesDir();
         } catch (IOException e) {
-            e.printStackTrace();
+            LOG.error("Error getting path", e);
         }
         return path;
     }
@@ -576,7 +577,7 @@ public class ActivitySummaryDetail extends AbstractGBActivity {
             shareScreenshot(targetFile, context);
             GB.toast(getApplicationContext(), "Screenshot saved", Toast.LENGTH_LONG, GB.INFO);
         } catch (IOException e) {
-            e.printStackTrace();
+            LOG.error("Error getting screenshot", e);
         }
     }
 

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/GpxReceiverActivity.java

@@ -0,0 +1,163 @@
+/*  Copyright (C) 2015-2020 abettenburg, Andreas Shimokawa, Carsten Pfeiffer,
+    Daniele Gobbetti, Lem Dulfo
+
+    This file is part of Gadgetbridge.
+
+    Gadgetbridge is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Gadgetbridge is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.activities;
+
+import android.content.ClipData;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+
+import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.util.FileUtils;
+
+public class GpxReceiverActivity extends AbstractGBActivity {
+    private static final Logger LOG = LoggerFactory.getLogger(ActivitySummaryDetail.class);
+    boolean toOverwrite = false;
+    ArrayList<FileToProcess> fileList = new ArrayList<>();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_gpx_receiver);
+        Button gpx_receiver_ok = findViewById(R.id.gpx_receiver_ok);
+        Button gpx_receiver_cancel = findViewById(R.id.gpx_receiver_cancel);
+        View gpx_receiver_overwrite_label = findViewById(R.id.gpx_receiver_overwrite_label);
+        TextView gpx_receiver_files_listing = findViewById(R.id.gpx_receiver_files_listing);
+        TextView gpx_receiver_received_label = findViewById(R.id.gpx_receiver_received_label);
+
+        gpx_receiver_cancel.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                finish();
+            }
+        });
+
+        gpx_receiver_ok.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                for (FileToProcess fileToProcess : fileList) {
+                    save_file(fileToProcess.source, fileToProcess.destination);
+                }
+                finish();
+            }
+        });
+
+        final Intent intent = getIntent();
+        final ClipData intentClipData = intent.getClipData();
+        StringBuilder fileListingText = new StringBuilder();
+        ArrayList<Uri> documentUris = new ArrayList<>();
+
+        if (savedInstanceState == null) {
+            if (intent.getData() != null) {
+                documentUris.add(intent.getData());
+            } else {
+                if (intentClipData != null && intentClipData.getItemCount() > 0) {
+                    for (int i = 0; i < intentClipData.getItemCount(); i++) {
+                        documentUris.add(intentClipData.getItemAt(i).getUri());
+                    }
+                }
+            }
+        }
+
+        if (documentUris != null) {
+            for (Uri uri : documentUris) {
+                if (uri.getPath().toLowerCase().endsWith(".gpx")) {
+                    FileToProcess file = new FileToProcess(uri);
+                    fileList.add(file);
+                    fileListingText.append(String.format("%s %s\n\n", file.name, file.exists ? getString(R.string.dbmanagementactivity_overwrite) : ""));
+                }
+            }
+        }
+
+        if (toOverwrite) {
+            gpx_receiver_overwrite_label.setVisibility(View.VISIBLE);
+        } else {
+            gpx_receiver_overwrite_label.setVisibility(View.GONE);
+        }
+
+        gpx_receiver_received_label.setText(String.format("%s %s", getString(R.string.gpx_receiver_files_received), fileList.toArray().length));
+        gpx_receiver_files_listing.setText(fileListingText.toString());
+    }
+
+    private String get_file_name(Uri source) {
+        int cut = source.getPath().lastIndexOf("/");
+        String fileName = null;
+        if (cut != -1) {
+            fileName = source.getPath().substring(cut + 1);
+        }
+        return fileName;
+    }
+
+    private File create_file_from_uri(Uri source) {
+        File destination = null;
+        try {
+            File external = FileUtils.getExternalFilesDir();
+            String fileName = get_file_name(source);
+
+            if (fileName != null) {
+                destination = new File(external + "/" + fileName);
+            }
+        } catch (IOException exception) {
+            LOG.error("Error creating file", exception);
+        }
+        return destination;
+    }
+
+    private void save_file(Uri source, File destination) {
+        try {
+            String fileName = get_file_name(source);
+            if (fileName != null) {
+                FileUtils.copyURItoFile(GpxReceiverActivity.this, source, destination);
+            }
+
+        } catch (IOException exception) {
+            LOG.error("Error copying file", exception);
+        }
+    }
+
+    private class FileToProcess {
+        String name;
+        Uri source;
+        File destination;
+        boolean exists;
+
+        FileToProcess(Uri file) {
+            this.name = get_file_name(file);
+            this.source = file;
+            this.destination = create_file_from_uri(file);
+            this.exists = this.destination.exists();
+
+            if (this.exists) {
+                toOverwrite = true;
+            }
+        }
+    }
+}
+
+
+

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

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/gpx_receiver_received_label"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="@dimen/about_margin"
+        android:layout_marginTop="20sp"
+        android:layout_marginRight="@dimen/about_margin"
+        android:layout_marginBottom="20sp"
+        android:fontFamily="sans-serif-black"
+        android:textSize="20sp" />
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="0dip"
+        android:layout_marginLeft="@dimen/about_margin"
+        android:layout_marginRight="@dimen/about_margin"
+        android:layout_weight="1">
+
+        <TextView
+            android:id="@+id/gpx_receiver_files_listing"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20sp"
+            android:layout_marginBottom="20sp"
+            android:textSize="16sp" />
+    </ScrollView>
+
+    <LinearLayout
+        android:id="@+id/gpx_receiver_overwrite_layout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/gpx_receiver_overwrite_label"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:text="@string/gpx_receiver_overwrite_some_files"
+            android:textAlignment="center"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <Button
+                android:id="@+id/gpx_receiver_cancel"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="@string/Cancel" />
+
+            <Button
+                android:id="@+id/gpx_receiver_ok"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="@string/ok" />
+        </LinearLayout>
+    </LinearLayout>
+</LinearLayout>

app/src/main/res/values/strings.xml

@@ -1015,6 +1015,9 @@
     <string name="about_title">About</string>
     <string name="about_version">Version %s</string>
     <string name="about_activity_title">About Gadgetbridge</string>
+    <string name="gpx_receiver_activity_title">GPX Receiver Gadgetbridge</string>
+    <string name="gpx_receiver_files_received">GPX file(s) received:</string>
+    <string name="gpx_receiver_overwrite_some_files">Some file(s) already exist. Overwrite?</string>
     <string name="about_description">Cloudless copylefted libre replacement for closed source Android gadget apps from vendors.</string>
     <string name="about_core_team_title">Core Team (in order of first code contribution)</string>
     <string name="about_contributors">Contributors</string>