Add failure handling for list creatoin

Author: cubei

app/build.gradle

@@ -6,8 +6,8 @@ android {
         applicationId "com.quchen.flashcard"
         minSdkVersion 21
         targetSdkVersion 34
-        versionCode 23
-        versionName "v1.7.0"
+        versionCode 24
+        versionName "v1.7.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

app/release/app-release.aab

@@ -222,6 +222,12 @@ private void showListAdd() {
                 final String rightVal = rightEdit.getText().toString();
                 final String titleVal = listNameEdit.getText().toString();
 
+                if(leftVal.isEmpty() || rightVal.isEmpty() || titleVal.isEmpty())
+                {
+                    Toast.makeText(ListActivity.this, R.string.addListError, Toast.LENGTH_SHORT).show();
+                    return;
+                }
+
                 ListItem listItem = new ListItem(String.format("%s/%s.csv", folderName, titleVal), leftVal, rightVal);
                 listItem.saveToFile();
 

app/release/app-release.apk

@@ -106,6 +106,7 @@ private void showItemEditDialog(ListItem.ItemPair itemPair) {
             final String leftVal = leftEdit.getText().toString();
             final String rightVal = rightEdit.getText().toString();
             if(leftVal.isEmpty() || rightVal.isEmpty()){
+                Toast.makeText(ListViewActivity.this, R.string.addListError, Toast.LENGTH_SHORT).show();
                 return;
             }
 

app/src/main/java/com/quchen/flashcard/ListActivity.java

@@ -44,4 +44,5 @@
     <string name="listName">Listen Name</string>
     <string name="leftColumn">Linke Spalte</string>
     <string name="RightColumn">Rechte Spalte</string>
+    <string name="addListError">Füll alle Felder aus!</string>
 </resources>

app/src/main/java/com/quchen/flashcard/ListViewActivity.java

@@ -44,4 +44,5 @@
     <string name="listName">List Name</string>
     <string name="leftColumn">Left Column</string>
     <string name="RightColumn">Right Column</string>
+    <string name="addListError">Fill out all fields!</string>
 </resources>