fix: EditText of floaty window cannot request focus

app/src/main/assets/sample/悬浮窗/悬浮窗输入框.js

@@ -1,6 +1,6 @@
 var window = floaty.window(
     <vertical>
-        <input id="input" text="请输入你的名字" textSize="16sp" />
+        <input id="input" text="请输入你的名字" textSize="16sp" focusable="true"/>
         <button id="ok" text="确定"/>
     </vertical>
 );
@@ -9,12 +9,25 @@ window.exitOnClose();
 
 toast("长按确定键可调整位置");
 
+window.input.on("key", function(keyCode, event){
+    if(event.getAction() == event.ACTION_DOWN && keyCode == keys.back){
+        window.disableFocus();
+        event.consumed = true;
+    }
+});
+
+window.input.on("touch_down", ()=>{
+    window.requestFocus();
+    window.input.requestFocus();
+});
+
 window.ok.on("click", ()=>{
     toast("傻瓜! " + window.input.text());
+    window.disableFocus();
 });
 
 window.ok.on("long_click", ()=>{
     window.setAdjustEnabled(!window.isAdjustEnabled());
 });
 
-setInterval(()=>{}, 1000);
+setInterval(()=>{}, 1000);