布局

Author: AndroidHensen

example/lib/main.dart

@@ -35,7 +35,7 @@ showAlertDialog(BuildContext context) {
   return Column(
     crossAxisAlignment: CrossAxisAlignment.start,
     children: <Widget>[
-      Text("YYAlertDialog:"),
+      Text("YYAlertDialog"),
       Row(
         children: <Widget>[
           makeTextButton("1", () {
@@ -49,6 +49,7 @@ showAlertDialog(BuildContext context) {
           }),
         ],
       ),
+      Text("~ gravity"),
       Row(
         children: <Widget>[
           makeTextButton("bottom", () {
@@ -73,7 +74,7 @@ showListViewDialog(BuildContext context) {
   return Column(
     crossAxisAlignment: CrossAxisAlignment.start,
     children: <Widget>[
-      Text("YYListViewDialog:"),
+      Text("YYListViewDialog"),
       Row(
         children: <Widget>[
           makeTextButton("1", () {

lib/components/alert_dialog.dart

@@ -21,7 +21,7 @@ YYDialog YYAlertDialog1(BuildContext context) {
     )
     ..doubleButton(
       padding: EdgeInsets.only(top: 24.0),
-      mainAxisAlignment: MainAxisAlignment.end,
+      gravity: Gravity.right,
       text1: "ACTION 1",
       color1: Colors.deepPurpleAccent,
       fontSize1: 14.0,
@@ -49,7 +49,7 @@ YYDialog YYAlertDialog2(BuildContext context) {
     )
     ..doubleButton(
       padding: EdgeInsets.only(top: 10.0),
-      mainAxisAlignment: MainAxisAlignment.end,
+      gravity: Gravity.right,
       text1: "CANCEL",
       color1: Colors.deepPurpleAccent,
       fontSize1: 14.0,
@@ -82,7 +82,7 @@ YYDialog YYAlertDialog3(BuildContext context) {
     )
     ..doubleButton(
       padding: EdgeInsets.only(top: 24.0),
-      mainAxisAlignment: MainAxisAlignment.end,
+      gravity: Gravity.right,
       text1: "DISAGREE",
       color1: Colors.deepPurpleAccent,
       fontSize1: 14.0,
@@ -113,7 +113,7 @@ YYDialog YYAlertDialog4(BuildContext context) {
     )
     ..doubleButton(
       padding: EdgeInsets.only(top: 24.0),
-      mainAxisAlignment: MainAxisAlignment.end,
+      gravity: Gravity.right,
       text1: "DISAGREE",
       color1: Colors.deepPurpleAccent,
       fontSize1: 14.0,
@@ -144,7 +144,7 @@ YYDialog YYAlertDialog5(BuildContext context) {
     )
     ..doubleButton(
       padding: EdgeInsets.only(top: 24.0),
-      mainAxisAlignment: MainAxisAlignment.end,
+      gravity: Gravity.right,
       text1: "DISAGREE",
       color1: Colors.deepPurpleAccent,
       fontSize1: 14.0,
@@ -176,7 +176,7 @@ YYDialog YYAlertDialog6(BuildContext context) {
     )
     ..doubleButton(
       padding: EdgeInsets.only(top: 24.0),
-      mainAxisAlignment: MainAxisAlignment.end,
+      gravity: Gravity.right,
       text1: "DISAGREE",
       color1: Colors.deepPurpleAccent,
       fontSize1: 14.0,
@@ -208,7 +208,7 @@ YYDialog YYAlertDialog7(BuildContext context) {
     )
     ..doubleButton(
       padding: EdgeInsets.only(top: 24.0),
-      mainAxisAlignment: MainAxisAlignment.end,
+      gravity: Gravity.right,
       text1: "DISAGREE",
       color1: Colors.deepPurpleAccent,
       fontSize1: 14.0,

lib/components/listview_dialog.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_custom_dialog/components/bean/dialog_item.dart';
 
 import '../flutter_custom_dialog.dart';
+import 'bean/dialog_gravity.dart';
 
 var listTileItems = [
   ListTileItem(
@@ -161,7 +162,7 @@ YYDialog YYListViewDialog2(BuildContext context) {
     ..divider()
     ..doubleButton(
       padding: EdgeInsets.only(top: 8.0, bottom: 8.0),
-      mainAxisAlignment: MainAxisAlignment.end,
+      gravity: Gravity.right,
       text1: "CANCEL",
       color1: Colors.deepPurpleAccent,
       fontSize1: 14.0,

lib/components/progress_dialog.dart

@@ -0,0 +1 @@
+import 'package:flutter/material.dart';

lib/flutter_custom_dialog.dart

@@ -46,7 +46,7 @@ class YYDialog {
 
   YYDialog doubleButton({
     padding,
-    mainAxisAlignment,
+    gravity,
     isClickAutoDismiss = true, //点击按钮后自动关闭
     text1,
     color1,
@@ -63,7 +63,7 @@ class YYDialog {
       Padding(
         padding: padding ?? EdgeInsets.all(0.0),
         child: Row(
-          mainAxisAlignment: mainAxisAlignment,
+          mainAxisAlignment: getRowMainAxisAlignment(gravity),
           children: <Widget>[
             FlatButton(
               onPressed: () {
@@ -210,27 +210,8 @@ class YYDialog {
   }
 
   void show() {
-    var mainAxisAlignment = MainAxisAlignment.start;
-    var crossAxisAlignment = CrossAxisAlignment.center;
-    switch (gravity) {
-      case Gravity.bottom:
-        mainAxisAlignment = MainAxisAlignment.end;
-        break;
-      case Gravity.top:
-        mainAxisAlignment = MainAxisAlignment.start;
-        break;
-      case Gravity.left:
-        mainAxisAlignment = MainAxisAlignment.center;
-        crossAxisAlignment = CrossAxisAlignment.start;
-        break;
-      case Gravity.right:
-        mainAxisAlignment = MainAxisAlignment.center;
-        crossAxisAlignment = CrossAxisAlignment.end;
-        break;
-      default:
-        mainAxisAlignment = MainAxisAlignment.center;
-        break;
-    }
+    var mainAxisAlignment = getColumnMainAxisAlignment(gravity);
+    var crossAxisAlignment = getColumnCrossAxisAlignment(gravity);
 
     Size size = MediaQuery.of(context).size;
     CustomDialog(
@@ -269,6 +250,69 @@ class YYDialog {
   void dismiss() {
     Navigator.of(context).pop();
   }
+
+  getColumnMainAxisAlignment(gravity) {
+    var mainAxisAlignment = MainAxisAlignment.start;
+    switch (gravity) {
+      case Gravity.bottom:
+        mainAxisAlignment = MainAxisAlignment.end;
+        break;
+      case Gravity.top:
+        mainAxisAlignment = MainAxisAlignment.start;
+        break;
+      case Gravity.left:
+        mainAxisAlignment = MainAxisAlignment.center;
+        break;
+      case Gravity.right:
+        mainAxisAlignment = MainAxisAlignment.center;
+        break;
+      case Gravity.center:
+      default:
+        mainAxisAlignment = MainAxisAlignment.center;
+        break;
+    }
+    return mainAxisAlignment;
+  }
+
+  getColumnCrossAxisAlignment(gravity) {
+    var crossAxisAlignment = CrossAxisAlignment.center;
+    switch (gravity) {
+      case Gravity.bottom:
+        break;
+      case Gravity.top:
+        break;
+      case Gravity.left:
+        crossAxisAlignment = CrossAxisAlignment.start;
+        break;
+      case Gravity.right:
+        crossAxisAlignment = CrossAxisAlignment.end;
+        break;
+      default:
+        break;
+    }
+    return crossAxisAlignment;
+  }
+
+  getRowMainAxisAlignment(gravity) {
+    var mainAxisAlignment = MainAxisAlignment.start;
+    switch (gravity) {
+      case Gravity.bottom:
+        break;
+      case Gravity.top:
+        break;
+      case Gravity.left:
+        mainAxisAlignment = MainAxisAlignment.start;
+        break;
+      case Gravity.right:
+        mainAxisAlignment = MainAxisAlignment.end;
+        break;
+      case Gravity.center:
+      default:
+        mainAxisAlignment = MainAxisAlignment.spaceAround;
+        break;
+    }
+    return mainAxisAlignment;
+  }
 }
 
 class CustomDialog {