use fab instead of add button for consistency

Author: ajungg

CHANGELOG.md

@@ -1,6 +1,16 @@
 # Changelog  
 All notable changes to this project will be documented in this file.
 
+## [0.12.0-beta5]
+
+### Changes
+- Show network error on receipts list if receipt list could not be fetched 
+- Use FloatingActionButton for payment list view
+- Unified ic_chevron and ic_chevron_right
+
+### New string keys
+- Snabble.networkError
+
 ## [0.12.0-beta4]
 
 ### Changes

build.gradle

@@ -23,7 +23,7 @@ allprojects {
     }
 
     project.ext {
-        sdkVersion='0.12.0-beta4'
+        sdkVersion='0.12.0-beta5'
         versionCode=1
 
         compileSdkVersion=28

ui/src/main/java/io/snabble/sdk/ui/receipts/ReceiptListView.java

@@ -1,7 +1,6 @@
 package io.snabble.sdk.ui.receipts;
 
 import android.app.Activity;
-import android.app.Application;
 import android.app.ProgressDialog;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -13,17 +12,14 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.FrameLayout;
 import android.widget.TextView;
 
 import java.io.File;
 import java.text.DateFormat;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.core.content.FileProvider;
 import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.LinearLayoutManager;
@@ -34,9 +30,8 @@
 import io.snabble.sdk.Snabble;
 import io.snabble.sdk.ui.R;
 import io.snabble.sdk.ui.utils.UIUtils;
-import io.snabble.sdk.utils.SimpleActivityLifecycleCallbacks;
 
-public class ReceiptListView extends FrameLayout {
+public class ReceiptListView extends CoordinatorLayout {
     private ReceiptInfo[] receiptInfos;
     private RecyclerView recyclerView;
     private View emptyState;
@@ -99,10 +94,12 @@ public void success(ReceiptInfo[] newReceiptInfos) {
             public void failure() {
                 swipeRefreshLayout.setRefreshing(false);
 
-                if (receiptInfos == null || receiptInfos.length == 0) {
+                if (receiptInfos != null && receiptInfos.length == 0) {
                     emptyState.setVisibility(View.VISIBLE);
                 } else {
                     emptyState.setVisibility(View.GONE);
+
+                    UIUtils.snackbar(ReceiptListView.this, R.string.Snabble_networkError, UIUtils.SNACKBAR_LENGTH_VERY_LONG).show();
                 }
             }
         });

ui/src/main/res/layout/view_receipt_list.xml

@@ -12,12 +12,14 @@
 
         </androidx.recyclerview.widget.RecyclerView>
 
-        <TextView android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_gravity="center"
-                android:textSize="17sp"
-                android:id="@+id/empty_state"
-                android:visibility="gone"
-                android:text="@string/Snabble.Receipt.noReceipt"/>
+
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+    <TextView android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:textSize="17sp"
+        android:id="@+id/empty_state"
+        android:visibility="gone"
+        android:text="@string/Snabble.Receipt.noReceipt"/>
 </merge>

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

@@ -82,6 +82,7 @@
 	<string name="Snabble.Checkout.done">Finished!</string>
 	<string name="Snabble.Checkout.payAtCashRegister">Pay at cash register</string>
 	<string name="Snabble.Checkout.error">An error has occurred</string>
+	<string name="Snabble.networkError">Connection error</string>
 
 	<!-- SECTION: Android -->
 	<string name="Snabble.askForPermission">Ask for permission</string>