仿今日头条的输入框
在Android应用开发中，创建一个类似今日头条的输入框是一个常见的需求，主要目的是提供用户一个方便、直观的界面来发表评论或进行互动。本教程将详细讲解如何使用`DialogFragment`来实现这一功能，重点关注`EditText`组件的使用。
我们要明白`DialogFragment`是Android中的一个类，它继承自`Fragment`，并提供了弹出对话框的能力。使用`DialogFragment`而不是传统的`Dialog`有以下优势：它可以和Fragment生命周期更好地集成，易于管理，同时支持返回栈操作，使用户可以更容易地导航。
要创建一个仿今日头条评论框的`DialogFragment`，我们需要以下步骤：
1. **创建DialogFragment子类**：我们需要创建一个新的`DialogFragment`子类，并重写必要的方法，如`onCreateDialog()`。在这个方法中，我们将设置对话框的样式和内容。
```java
public class CommentDialogFragment extends DialogFragment {
//...
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// 创建自定义布局
View view = LayoutInflater.from(getActivity()).inflate(R.layout.dialog_comment, null);
// 获取EditText
EditText editText = view.findViewById(R.id.edit_text_comment);
// 设置对话框的基本属性
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setView(view)
.setTitle("发表评论")
.setPositiveButton("发送", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String comment = editText.getText().toString();
// 提交评论逻辑
}
})
.setNegativeButton("取消", null); // 取消按钮，不执行任何操作
return builder.create();
}
//...
}
```
2. **自定义布局**：在`dialog_comment.xml`布局文件中，我们可以定义一个包含`EditText`的布局。`EditText`是Android中用于接收用户输入文本的控件，我们可以设置它的样式和属性以满足需求。
```xml
android:maxLines="5"
android:maxLength="200"
android:textSize="16sp"
android:background="@android:drawable/edit_text"
```
3. **显示DialogFragment**：在需要的地方，如点击按钮时，我们可以通过以下代码显示这个`CommentDialogFragment`：
```java
CommentDialogFragment dialogFragment = new CommentDialogFragment();
dialogFragment.show(getSupportFragmentManager(), "CommentDialog");
```
4. **处理用户输入**：当用户点击“发送”按钮时，我们需要获取`EditText`中的文本，并处理提交评论的逻辑。这通常涉及到网络请求或保存数据到本地数据库。
通过以上步骤，我们就成功地创建了一个仿今日头条评论框的`DialogFragment`，利用`EditText`组件接收用户输入，并提供了基本的交互功能。在实际项目中，你可能还需要考虑更多的细节，如错误处理、输入验证以及与服务器的通信等。记得保持代码的可读性和可维护性，遵循良好的编程实践。
文件下载
资源详情
[{"title":"（ 1197 个子文件 11.02MB ） 仿今日头条的输入框","children":[{"title":"5FSTvDswqqn481Al+LaBTHukJBs= <span style='color:#111;'> 59.36KB </span>","children":null,"spread":false},{"title":"5FSTvDswqqn481Al+LaBTHukJBs= <span style='color:#111;'> 59.36KB </span>","children":null,"spread":false},{"title":"81gyKI0h_z6nwVJdEr2gaNHRm5w= <span style='color:#111;'> 589B </span>","children":null,"spread":false},{"title":"81gyKI0h_z6nwVJdEr2gaNHRm5w= <span style='color:#111;'> 589B </span>","children":null,"spread":false},{"title":"resources-debug.ap_ <span style='color:#111;'> 400.37KB </span>","children":null,"spread":false},{"title":"app-debug.apk <span style='color:#111;'> 1.61MB </span>","children":null,"spread":false},{"title":"gradlew.bat <span style='color:#111;'> 2.35KB </span>","children":null,"spread":false},{"title":"fileSnapshots.bin <span style='color:#111;'> 1.71MB </span>","children":null,"spread":false},{"title":"classAnalysis.bin <span style='color:#111;'> 845.89KB </span>","children":null,"spread":false},{"title":"jarAnalysis.bin <span style='color:#111;'> 317.83KB </span>","children":null,"spread":false},{"title":"taskHistory.bin <span style='color:#111;'> 297.62KB </span>","children":null,"spread":false},{"title":"fileHashes.bin <span style='color:#111;'> 158.04KB </span>","children":null,"spread":false},{"title":"taskHistory.bin <span style='color:#111;'> 50.86KB </span>","children":null,"spread":false},{"title":"taskJars.bin <span style='color:#111;'> 20.50KB </span>","children":null,"spread":false},{"title":"resourceHashesCache.bin <span style='color:#111;'> 19.49KB </span>","children":null,"spread":false},{"title":"last-build.bin <span style='color:#111;'> 1B </span>","children":null,"spread":false},{"title":"built.bin <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 33.58KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 23.68KB </span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'> 22.48KB </span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'> 22.36KB </span>","children":null,"spread":false},{"title":"R$attr.class <span style='color:#111;'> 13.48KB </span>","children":null,"spread":false},{"title":"R$attr.class <span style='color:#111;'> 10.62KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 10.58KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 6.52KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 6.50KB </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 5.63KB </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 5.44KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 5.18KB </span>","children":null,"spread":false},{"title":"R$color.class <span style='color:#111;'> 4.93KB </span>","children":null,"spread":false},{"title":"R$color.class <span style='color:#111;'> 4.70KB </span>","children":null,"spread":false},{"title":"KeyMapDailog.class <span style='color:#111;'> 4.23KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 3.90KB </span>","children":null,"spread":false},{"title":"R$attr.class <span style='color:#111;'> 3.21KB </span>","children":null,"spread":false},{"title":"R$layout.class <span style='color:#111;'> 2.91KB </span>","children":null,"spread":false},{"title":"R$layout.class <span style='color:#111;'> 2.80KB </span>","children":null,"spread":false},{"title":"R$string.class <span style='color:#111;'> 2.22KB </span>","children":null,"spread":false},{"title":"R$string.class <span style='color:#111;'> 2.17KB </span>","children":null,"spread":false},{"title":"dialog.class <span style='color:#111;'> 1.99KB </span>","children":null,"spread":false},{"title":"KeyMapDailog$2.class <span style='color:#111;'> 1.71KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 1.53KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 1.50KB </span>","children":null,"spread":false},{"title":"MainActivity$1.class <span style='color:#111;'> 1.50KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 1.49KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 1.48KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 1.48KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 1.47KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 1.47KB </span>","children":null,"spread":false},{"title":"R$dimen.class <span style='color:#111;'> 1.46KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 1.39KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 1.37KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 1.25KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 1.22KB </span>","children":null,"spread":false},{"title":"R$layout.class <span style='color:#111;'> 1.21KB </span>","children":null,"spread":false},{"title":"MainActivity.class <span style='color:#111;'> 1.20KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 1.20KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 1.19KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 1.19KB </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 1.19KB </span>","children":null,"spread":false},{"title":"R$layout.class <span style='color:#111;'> 1.18KB </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 1.17KB </span>","children":null,"spread":false},{"title":"MainActivity$1$1.class <span style='color:#111;'> 1.16KB </span>","children":null,"spread":false},{"title":"KeyMapDailog$1.class <span style='color:#111;'> 1.15KB </span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'> 1.14KB </span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'> 1.12KB </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 1.11KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 1.11KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 1.08KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 1.06KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 1.06KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false},{"title":"R$styleable.class <span style='color:#111;'> 1.04KB </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 1.02KB </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 1024B </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 1017B </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 1015B </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 999B </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 993B </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 990B </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 984B </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 984B </span>","children":null,"spread":false},{"title":"R$id.class <span style='color:#111;'> 980B </span>","children":null,"spread":false},{"title":"R$drawable.class <span style='color:#111;'> 972B </span>","children":null,"spread":false},{"title":"R$anim.class <span style='color:#111;'> 971B </span>","children":null,"spread":false},{"title":"dialog$2.class <span style='color:#111;'> 968B </span>","children":null,"spread":false},{"title":"dialog$1.class <span style='color:#111;'> 968B </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 946B </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 920B </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 907B </span>","children":null,"spread":false},{"title":"R$anim.class <span style='color:#111;'> 886B </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 881B </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 881B </span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'> 872B </span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'> 845B </span>","children":null,"spread":false},{"title":"R.class <span style='color:#111;'> 829B </span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'> 821B </span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'> 818B </span>","children":null,"spread":false},{"title":"R$style.class <span style='color:#111;'> 812B </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]
评论信息
其他资源
- VIP独立团CALL调试工具2.4版
- dsoframer.ocx 2.3.0.2版本
- keil5配色方案
- 奇异谱分析MATLAB代码.zip
- java_sql超市管理系统+数据库
- PCL点云库GridProjection用法demo
- ZEMAX最全玻璃库
- gd32f407rtosDemo.rar
- 动物换位游戏（代码+实验报告）
- 【北京大学物理学丛书】数理物理基础【彭桓...。。。
- STM32+SDIO+FatFS文件系统例程
- SuperWRT615v3编程固件.bin
- Spring Boot + Spring Cloud 的综合练习项目
- CentOS7.6下Oracle 19c集群部署手册
- installserver.exe.txt
- a300+ 多米诺说明书
- 华北电力大学C语言程序设计考研笔记.pdf
- AD9854forMSP430
- turbo-jpeg
- IAR MSP430 注册 最高支持到6.4.2
- HPCC平台构建思路与实践
免责申明
【只为小站】的资源来自网友分享，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，【只为小站】 无法对用户传输的作品、信息、内容的权属或合法性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论 【只为小站】 经营者是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。
本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明
本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明