SearchActivity: Clear action

Signed-off-by: Fung <fython@163.com>

Author: fython

mobile/src/main/java/info/papdt/express/helper/ui/SearchActivity.java

@@ -18,10 +18,7 @@
 import android.support.v7.widget.RecyclerView;
 import android.text.Editable;
 import android.text.TextWatcher;
-import android.view.View;
-import android.view.ViewAnimationUtils;
-import android.view.ViewGroup;
-import android.view.ViewTreeObserver;
+import android.view.*;
 import android.view.inputmethod.EditorInfo;
 
 import java.util.ArrayList;
@@ -206,6 +203,21 @@ public void onAnimationEnd(Animator animator) {
 		circularReveal.start();
 	}
 
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		getMenuInflater().inflate(R.menu.menu_search, menu);
+		return super.onCreateOptionsMenu(menu);
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		if (item.getItemId() == R.id.action_clear) {
+			mSearchEdit.setText("");
+			return true;
+		}
+		return super.onOptionsItemSelected(item);
+	}
+
 	private synchronized ArrayList<SearchResultAdapter.ItemType> buildItems() {
 		ArrayList<SearchResultAdapter.ItemType> items = new ArrayList<>();
 		items.add(new SearchResultAdapter.ItemType(SearchResultAdapter.ItemType.TYPE_SUBHEADER));

mobile/src/main/res/drawable/ic_clear_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M19,6.41L17.59,5 12,10.59 6.41,5 5,6.41 10.59,12 5,17.59 6.41,19 12,13.41 17.59,19 19,17.59 13.41,12z"/>
+</vector>

mobile/src/main/res/menu/menu_search.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
+
+	<item android:id="@+id/action_clear"
+	      android:title="@string/action_clear"
+	      android:icon="@drawable/ic_clear_black_24dp"
+	      app:showAsAction="always"/>
+
+</menu>

mobile/src/main/res/values-zh-rCN/strings.xml

@@ -161,6 +161,7 @@
 
 	<!-- Search -->
 	<string name="activity_search">搜索</string>
+	<string name="action_clear">清空</string>
 	<string name="search_hint_common">包裹或公司....</string>
 	<string name="subheader_package">包裹</string>
 	<string name="subheader_company">快递公司</string>

mobile/src/main/res/values-zh-rTW/strings.xml

@@ -161,6 +161,7 @@
 
 	<!-- Search -->
 	<string name="activity_search">搜尋</string>
+	<string name="action_clear">清空</string>
 	<string name="search_hint_common">包裹或公司....</string>
 	<string name="subheader_package">包裹</string>
 	<string name="subheader_company">速遞公司</string>

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

@@ -168,6 +168,7 @@
 
 	<!-- Search -->
 	<string name="activity_search">Search</string>
+	<string name="action_clear">Clear</string>
 	<string name="search_hint_common">Package or Company....</string>
 	<string name="subheader_package">Package</string>
 	<string name="subheader_company">Company</string>