manage 'submit' in the text search field

java/io/xdrm/lebonprix/HomeActivity.kt

@@ -7,6 +7,7 @@ import android.os.Handler
 import android.text.Editable
 import android.text.TextWatcher
 import android.util.Log
+import android.view.KeyEvent
 import android.view.WindowManager
 import android.widget.Toast
 import io.xdrm.lebonprix.anim.HomeFilterAnimation
@@ -93,7 +94,41 @@ class HomeActivity : AppCompatActivity() {
 
 
         // launch search
-        search_button.setOnClickListener {
+        search.setOnKeyListener { v, keyCode, event ->
+            if( event.action != KeyEvent.ACTION_DOWN || keyCode != KeyEvent.KEYCODE_ENTER )
+                return@setOnKeyListener false
+
+            launch_search()
+            return@setOnKeyListener true
+        }
+        search_button.setOnClickListener { launch_search() }
+
+        updateCategories(JSONArray("[]"))
+
+    }
+
+    private fun categoryCoordinator(keywords: String){
+        val now = System.currentTimeMillis()
+        if( last_search_time > 0 && now-last_search_time < HomeActivity.SEARCH_KEY_TIMEOUT )
+            return
+
+        if( keywords == last_search )
+            return
+
+        last_search_time = now
+        last_search = keywords
+
+        if( httpJob != null && httpJob!!.isActive ) {
+            httpJob!!.cancel()
+            underline_animator.animateContinue(1F).during(0).start()
+        }
+
+        httpJob = GlobalScope.launch {
+            updateCategories( apiCategories.fetch(last_search) )
+        }
+    }
+
+    private fun launch_search(){
         val selectedCategories = getCategories()
 
         // (1) Loader
@@ -140,35 +175,8 @@ class HomeActivity : AppCompatActivity() {
             startActivity(int)
             overridePendingTransition(0, 0)
         }
-
     }
 
-        updateCategories(JSONArray("[]"))
-
-    }
-
-    private fun categoryCoordinator(keywords: String){
-        val now = System.currentTimeMillis()
-        if( last_search_time > 0 && now-last_search_time < HomeActivity.SEARCH_KEY_TIMEOUT )
-            return
-
-        if( keywords == last_search )
-            return
-
-        last_search_time = now
-        last_search = keywords
-
-        if( httpJob != null && httpJob!!.isActive ) {
-            httpJob!!.cancel()
-            underline_animator.animateContinue(1F).during(0).start()
-        }
-
-        httpJob = GlobalScope.launch {
-            updateCategories( apiCategories.fetch(last_search) )
-        }
-    }
-
-
     private fun updateCategories(categories: JSONArray){
         // 1. Update categories
         categoryStore.data.clear()