Move retry policy input down, add a footer to it

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

@@ -110,13 +110,6 @@
             style="@style/NockText.Body"
             />
 
-        <com.afollestad.nocknock.viewcomponents.retrypolicy.RetryPolicyLayout
-            android:id="@+id/retryPolicyLayout"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/content_inset_more"
-            />
-
         <TextView
             android:id="@+id/responseValidationLabel"
             android:layout_width="wrap_content"
@@ -165,6 +158,13 @@
             style="@style/NockText.Body.Light"
             />
 
+        <com.afollestad.nocknock.viewcomponents.retrypolicy.RetryPolicyLayout
+            android:id="@+id/retryPolicyLayout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/content_inset_more"
+            />
+
         <com.google.android.material.button.MaterialButton
             android:id="@+id/doneBtn"
             android:layout_width="match_parent"

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

@@ -131,13 +131,6 @@
             style="@style/NockText.Body"
             />
 
-        <com.afollestad.nocknock.viewcomponents.retrypolicy.RetryPolicyLayout
-            android:id="@+id/retryPolicyLayout"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/content_inset"
-            />
-
         <View
             android:layout_width="match_parent"
             android:layout_height="1dp"
@@ -193,6 +186,13 @@
             style="@style/NockText.Body.Light"
             />
 
+        <com.afollestad.nocknock.viewcomponents.retrypolicy.RetryPolicyLayout
+            android:id="@+id/retryPolicyLayout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/content_inset"
+            />
+
         <include layout="@layout/include_divider"/>
 
         <TextView

viewcomponents/src/main/java/com/afollestad/nocknock/viewcomponents/retrypolicy/RetryPolicyLayout.kt

@@ -19,11 +19,14 @@ import android.content.Context
 import android.util.AttributeSet
 import android.widget.LinearLayout
 import androidx.lifecycle.MutableLiveData
+import com.afollestad.nocknock.utilities.ext.onTextChanged
 import com.afollestad.nocknock.viewcomponents.R
+import com.afollestad.nocknock.viewcomponents.ext.asSafeInt
 import com.afollestad.nocknock.viewcomponents.livedata.attachLiveData
 import com.afollestad.nocknock.viewcomponents.livedata.lifecycleOwner
 import kotlinx.android.synthetic.main.retry_policy_layout.view.minutes
 import kotlinx.android.synthetic.main.retry_policy_layout.view.times
+import kotlinx.android.synthetic.main.retry_policy_layout.view.retry_policy_desc as description
 
 /** @author Aidan Follestad (@afollestad) */
 class RetryPolicyLayout(
@@ -42,5 +45,22 @@ class RetryPolicyLayout(
   ) {
     times.attachLiveData(lifecycleOwner(), timesData)
     minutes.attachLiveData(lifecycleOwner(), minutesData)
+
+    times.onTextChanged { invalidateDescriptionText() }
+    minutes.onTextChanged { invalidateDescriptionText() }
+
+    invalidateDescriptionText()
+  }
+
+  private fun invalidateDescriptionText() {
+    val timesInt = times.text.toString()
+        .asSafeInt()
+    val minutesInt = minutes.text.toString()
+        .asSafeInt()
+    description.text = resources.getString(
+        R.string.retry_policy_description,
+        timesInt,
+        minutesInt
+    )
   }
 }

viewcomponents/src/main/res/layout/retry_policy_layout.xml

@@ -79,4 +79,14 @@
 
   </LinearLayout>
 
+  <TextView
+      android:id="@+id/retry_policy_desc"
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:lineSpacingMultiplier="1.2"
+      android:text="@string/retry_policy_description"
+      android:layout_marginTop="@dimen/content_inset_half"
+      style="@style/NockText.Body.Light"
+      />
+
 </merge>

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

@@ -11,5 +11,9 @@
   <string name="retry_policy_retry">Retry</string>
   <string name="retry_policy_times_in">times in</string>
   <string name="retry_policy_minutes">Minute(s)</string>
+  <string name="retry_policy_description">
+    If a validation fails, perform additional checks sooner by setting the above to non-zero
+    values. After retrying %1$d times over %2$d minutes with no success, you will get a notification.
+  </string>
 
 </resources>