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
@@ -93,55 +94,14 @@ class HomeActivity : AppCompatActivity() {
 
 
         // launch search
-        search_button.setOnClickListener {
+        search.setOnKeyListener { v, keyCode, event ->
-            val selectedCategories = getCategories()
+            if( event.action != KeyEvent.ACTION_DOWN || keyCode != KeyEvent.KEYCODE_ENTER )
-
+                return@setOnKeyListener false
-            // (1) Loader
-            if( loader != null && loader!!.isActive )
-                loader!!.cancel()
-
-            loader = GlobalScope.launch(Dispatchers.Main) {
-                // launch animation
-                load_animator.stage(HomeFilterAnimation.STAGE_CLEAN).during(300).start()
-                delay(300)
-                load_animator.stage(HomeFilterAnimation.STAGE_CENTER).during(300).start()
-                delay(300)
-                while(true){
-                    load_animator.stage(HomeFilterAnimation.STAGE_LOAD).during(5000).start()
-                    delay(5000)
-                }
-            }
-
-            if( httpJob != null && httpJob!!.isActive )
-                httpJob!!.cancel()
-
-            httpJob = GlobalScope.launch {
-
-                // exec request
-                val prices = apiPrices.fetch(search.text.toString(), selectedCategories.toTypedArray())
-                loader?.cancel()
-
-                // stop all if no result
-                if( prices.isNullOrEmpty() ) {
-                    runOnUiThread {
-                        load_animator.stage(HomeFilterAnimation.CLEAR_ALL).during(0).start()
-                    }
-                    return@launch
-                }
-
-                // transition
-                runOnUiThread {
-                    load_animator.stage(HomeFilterAnimation.STAGE_END).during(500).start()
-                }
-                delay(500)
-
-                val int = Intent(this@HomeActivity, ResultActivity::class.java)
-                int.putExtra("prices", prices)
-                startActivity(int)
-                overridePendingTransition(0, 0)
-            }
 
+            launch_search()
+            return@setOnKeyListener true
         }
+        search_button.setOnClickListener { launch_search() }
 
         updateCategories(JSONArray("[]"))
 
@@ -168,6 +128,54 @@ class HomeActivity : AppCompatActivity() {
         }
     }
 
+    private fun launch_search(){
+        val selectedCategories = getCategories()
+
+        // (1) Loader
+        if( loader != null && loader!!.isActive )
+            loader!!.cancel()
+
+        loader = GlobalScope.launch(Dispatchers.Main) {
+            // launch animation
+            load_animator.stage(HomeFilterAnimation.STAGE_CLEAN).during(300).start()
+            delay(300)
+            load_animator.stage(HomeFilterAnimation.STAGE_CENTER).during(300).start()
+            delay(300)
+            while(true){
+                load_animator.stage(HomeFilterAnimation.STAGE_LOAD).during(5000).start()
+                delay(5000)
+            }
+        }
+
+        if( httpJob != null && httpJob!!.isActive )
+            httpJob!!.cancel()
+
+        httpJob = GlobalScope.launch {
+
+            // exec request
+            val prices = apiPrices.fetch(search.text.toString(), selectedCategories.toTypedArray())
+            loader?.cancel()
+
+            // stop all if no result
+            if( prices.isNullOrEmpty() ) {
+                runOnUiThread {
+                    load_animator.stage(HomeFilterAnimation.CLEAR_ALL).during(0).start()
+                }
+                return@launch
+            }
+
+            // transition
+            runOnUiThread {
+                load_animator.stage(HomeFilterAnimation.STAGE_END).during(500).start()
+            }
+            delay(500)
+
+            val int = Intent(this@HomeActivity, ResultActivity::class.java)
+            int.putExtra("prices", prices)
+            startActivity(int)
+            overridePendingTransition(0, 0)
+        }
+    }
 
     private fun updateCategories(categories: JSONArray){
         // 1. Update categories