Added upload and download functionality

Add folder traversal
Improved stability

app/build.gradle

@@ -40,8 +40,8 @@ android {
         applicationId "de.sg_o.app.photonet"
         minSdkVersion 24
         targetSdkVersion 33
-        versionCode 1
-        versionName '0.1'
+        versionCode 2
+        versionName '0.2'
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled false
@@ -79,7 +79,7 @@ android {
 }
 
 dependencies {
-    implementation 'de.sg-o.lib:photoNet:0.8'
+    implementation 'de.sg-o.lib:photoNet:0.9'
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
     implementation 'androidx.appcompat:appcompat:1.5.0'
     implementation 'com.google.android.material:material:1.6.1'

app/src/main/AndroidManifest.xml

@@ -22,6 +22,11 @@
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="28" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
 
     <application
         android:allowBackup="true"
@@ -63,6 +68,12 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <service android:name=".filetransfer.TransferService" />
+        <receiver
+            android:name = ".filetransfer.TransferNotificationActionReceiver"
+            android:enabled = "true"
+            android:exported = "true" >
+        </receiver>
     </application>
 
 </manifest>

app/src/main/java/de/sg_o/app/photonet/DetailsActivity.java

@@ -18,8 +18,11 @@
 
 package de.sg_o.app.photonet;
 
+import android.app.Activity;
 import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
+import android.os.ParcelFileDescriptor;
 
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
@@ -28,9 +31,16 @@
 
 import com.google.android.material.tabs.TabLayout;
 
-import de.sg_o.app.photonet.ui.main.SectionsPagerAdapter;
+import java.io.FileNotFoundException;
+import java.io.OutputStream;
+
+import de.sg_o.app.photonet.filetransfer.TransferService;
+import de.sg_o.app.photonet.filetransfer.TransferWorker;
+import de.sg_o.app.photonet.menu.SectionsPagerAdapter;
+import de.sg_o.lib.photoNet.netData.FileListItem;
 
 public class DetailsActivity extends AppCompatActivity {
+    public static FileListItem toDownload = null;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -55,4 +65,30 @@ protected void onCreate(Bundle savedInstanceState) {
         tabs.setupWithViewPager(viewPager);
 
     }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent resultData) {
+        super.onActivityResult(requestCode, resultCode, resultData);
+        Uri uri;
+        if (requestCode == 1 && resultCode == Activity.RESULT_OK) {
+            if (resultData != null) {
+                uri = resultData.getData();
+                writeFileContent(uri);
+            }
+        }
+    }
+
+    private void writeFileContent(Uri uri)
+    {
+        if (toDownload == null) return;
+        FileListItem tmp = toDownload;
+        toDownload = null;
+        try {
+            ParcelFileDescriptor pfd = getContentResolver().openFileDescriptor(uri, "w");
+            OutputStream fileOutputStream = new ParcelFileDescriptor.AutoCloseOutputStream(pfd);
+            TransferWorker.addTransfer(tmp.getDownload(fileOutputStream, 2));
+            TransferService.startService(this);
+        } catch (FileNotFoundException ignore) {
+        }
+    }
 }

app/src/main/java/de/sg_o/app/photonet/MainActivity.java

@@ -37,6 +37,8 @@
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
 import de.sg_o.app.photonet.menu.PrintersAdapter;
+import de.sg_o.app.photonet.ui.main.DiscoveryDialogFragment;
+import de.sg_o.app.photonet.ui.main.PrinterEditDialogFragment;
 import de.sg_o.lib.photoNet.manager.Environment;
 import de.sg_o.lib.photoNet.printer.Printer;
 

app/src/main/java/de/sg_o/app/photonet/filetransfer/TransferNotificationActionReceiver.java

@@ -0,0 +1,41 @@
+/*
+ *
+ *   Copyright (C) 2022 Joerg Bayer (SG-O)
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ *
+ */
+
+package de.sg_o.app.photonet.filetransfer;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import androidx.core.content.ContextCompat;
+
+public class TransferNotificationActionReceiver extends BroadcastReceiver {
+    public static final String PAUSE_ACTION = "pause";
+    public static final String RESUME_ACTION = "resume";
+    public static final String STOP_ACTION = "stop";
+    public static final String RETRY_ACTION = "retry";
+    public static final String IGNORE_ACTION = "ignore";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        String action = intent.getAction();
+        Intent forward = new Intent(context, TransferService.class);
+        forward.setAction(action);
+        ContextCompat.startForegroundService(context, forward);
+    }
+}