{"id":7875,"date":"2023-09-01T11:07:21","date_gmt":"2023-09-01T03:07:21","guid":{"rendered":"https:\/\/www.zhidianwl.com\/zhidian\/2023\/7875\/"},"modified":"2023-09-01T11:07:21","modified_gmt":"2023-09-01T03:07:21","slug":"eclipse%e5%bc%80%e5%8f%91%e5%ae%89%e5%8d%93app%e7%99%bb%e5%bd%95%e7%95%8c%e9%9d%a2%e8%ae%be%e8%ae%a1%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.com\/zhidian\/2023\/7875\/","title":{"rendered":"eclipse\u5f00\u53d1\u5b89\u5353app\u767b\u5f55\u754c\u9762\u8bbe\u8ba1\u6307\u5357"},"content":{"rendered":"

\u5728\u672c\u7bc7\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u5982\u4f55\u4f7f\u7528Eclipse\u6765\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684Android\u5e94\u7528\u7a0b\u5e8f\uff0c\u8fd9\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5177\u6709\u767b\u5f55\u754c\u9762\u3002\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u60a8\u5df2\u7ecf\u5b89\u88c5\u4e86\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

1. Java Development\u5b89\u5353app\u5f00\u53d1\u5de5\u5177<\/a> Kit (JDK)<\/p>\n

2. Android SDK<\/p>\n

3. Eclipse IDE\uff08\u5df2\u5b89\u88c5ADT\u63d2\u4ef6\uff09<\/p>\n

\u6211\u4eec\u5c06\u91c7\u7528\u4e00\u6b65\u6b65\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u8fd9\u4e2a\u767b\u5f55\u754c\u9762\u5e94\u7528\u7a0b\u5e8f\u3002\u8bf7\u8ddf\u968f\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

\u6b65\u9aa41\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Android\u9879\u76ee<\/p>\n

1. \u6253\u5f00Eclipse\u3002<\/p>\n

2. \u4f9d\u6b21\u70b9\u51fb\u201cFile\u201d->\u201cNew\u201d ->\u201cAndroid Application Project\u201d\u3002<\/p>\n

3. \u5728\u201cApplication Name\u201d\u6846\u4e2d\u8f93\u5165\u9879\u76ee\u540d\u79f0\uff0c\u4f8b\u5982\u201cLoginDemo\u201d\u3002<\/p>\n

4. \u9009\u62e9\u9879\u76ee\u7684\u4f4d\u7f6e\uff0c\u8fd9\u662f\u5b58\u50a8\u9879\u76ee\u6587\u4ef6\u7684\u5730\u65b9\u3002<\/p>\n

5. \u5728\u201cPackage Name\u201d\u6846\u4e2d\u8f93\u5165\u552f\u4e00\u7684\u5305\u540d\uff0c\u4f8b\u5982\u201ccom.example.logindemo\u201d\u3002<\/p>\n

6. \u9009\u62e9\u76ee\u6807Android SDK\u7248\u672c\u3002<\/p>\n

7. \u5728\u201cMinimum Required SDK\u201d\u4e2d\u9009\u62e9\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u4f4e\u652f\u6301\u7248\u672c\u3002<\/p>\n

8. \u5355\u51fb\u201cFinish\u201d\u6309\u94ae\u3002<\/p>\n

\u6b65\u9aa42\uff1a\u8bbe\u8ba1\u767b\u5f55\u754c\u9762<\/p>\n

1. \u6253\u5f00res\/layout\/activity_main.xml\u6587\u4ef6\u3002<\/p>\n

2. \u4f7f\u7528\u4ee5\u4e0bXML\u4ee3\u7801\u5220\u9664\u73b0\u6709\u5e03\u5c40\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u767b\u5f55\u754c\u9762\u5e03\u5c40\uff1a<\/p>\n

“`xml<\/p>\n<\/p>\n

xmlns:tools=”http:\/\/schemas.android.com\/tools”<\/p>\n

android:layout_width=”match_parent”<\/p>\n

android:layout_height=”match_parent”<\/p>\n

android:orientation=”vertical”<\/p>\n

android:padding=”20dp”><\/p>\n<\/p>\n

android:layout_width=”wrap_content”<\/p>\n

android:layout_height=”wrap_content”<\/p>\n

android:text=”Login”<\/p>\n

android:textSize=”24sp” \/><\/p>\n<\/p>\n

android:id=”@+id\/et_username”<\/p>\n

android:layout_width=”match_parent”<\/p>\n

android:layout_height=”wrap_content”<\/p>\n

android:hint=”Username”<\/p>\n

android:inputType=”text” \/><\/p>\n<\/p>\n

android:id=”@+id\/et_password”<\/p>\n

android:layout_width=”match_parent”<\/p>\n

android:layout_height=”wrap_content”<\/p>\n

android:hint=”Password”<\/p>\n

android:inputType=”textPassword” \/><\/p>\n<\/p>\n

android:id=”@+id\/btn_login”<\/p>\n

android:layout_width=”match_parent”<\/p>\n

android:layout_height=”wrap_content”<\/p>\n

android:text=”Login” \/><\/p>\n<\/p>\n

android:id=”@+id\/tv_error”<\/p>\n

android:layout_width=”wrap_content”<\/p>\n

android:layout_height=”wrap_content”<\/p>\n

android:textColor=”@color\/colorAccent”<\/p>\n

android:visibility=”gone” \/><\/p>\n

“`<\/p>\n

\u6b65\u9aa43\uff1a\u7f16\u5199\u767b\u5f55\u5904\u7406\u903b\u8f91<\/p>\n

1. \u6253\u5f00MainActivity.java\u6587\u4ef6\u3002<\/p>\n

2. \u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6a21\u7248\uff1a<\/p>\n

“`java<\/p>\n

package com.example.logindemo;<\/p>\n

import androidx.appcompat.app.AppCompatActivity;<\/p>\n

import android.os.Bundle;<\/p>\n

import android.view.View;<\/p>\n

import android.widget.Button;<\/p>\n

import android.widget.EditText;<\/p>\n

import android.widget.TextView;<\/p>\n

public class MainActivity extends AppCompatActivity {<\/p>\n

private EditText etUsername;<\/p>\n

private EditText etPassword;<\/p>\n

private Button btnLogin;<\/p>\n

private TextView tvError;<\/p>\n

@Override<\/p>\n

protected void onCreate(Bundle savedInstanceState) {<\/p>\n

super.onCreate(savedInstanceState);<\/p>\n

setContentView(R.layout.activity_main);<\/p>\n

\/\/ Initialize views<\/p>\n

etUsername = (EditText) findViewById(R.id.et_username);<\/p>\n

etPassword = (EditText) findViewById(R.id.et_password);<\/p>\n

btnLogin = (Button) findViewById(R.id.btn_login);<\/p>\n

tvError = (TextView) findViewById(R.id.tv_error);<\/p>\n

\/\/ Set onClick listener for the login button<\/p>\n

btnLogin.setOnClickListener(new View.OnClickListener() {<\/p>\n

@Override<\/p>\n

public void onClick(View v) {<\/p>\n

\/\/ Call the login method<\/p>\n

login();<\/p>\n

}<\/p>\n

});<\/p>\n

}<\/p>\n

private void login() {<\/p>\n

\/\/ Get user input<\/p>\n

String username = etUsername.getText().toString();<\/p>\n

String password = etPassword.getText().toString();<\/p>\n

\/\/ Validate input and display a\u5b89\u5353APP\u5f00\u53d1<\/a>ppropriate error messages<\/p>\n

if (username.isEmpty() || password.isEmpty()) {<\/p>\n

tvError.setVisibility(View.VISIBLE);<\/p>\n

tvError.setText(“Username and password cannot be empty.”);<\/p>\n

} else if (userna<\/p>\n

<\/figure>\n<\/p>\n

me.equals(“admin”) && password.equals(“password”)) {<\/p>\n

tvError.setVisibility(View.GONE);<\/p>\n

\/\/ Proceed to the next activity or do whatever you want with the logged in user<\/p>\n

} else {<\/p>\n

tvError.setVisibility(View.VISIBLE);<\/p>\n

tvError.setText(“Invalid username or password.”);<\/p>\n

}<\/p>\n

}<\/p>\n

}<\/p>\n

“`<\/p>\n

\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u9996\u5148\u521d\u59cb\u5316\u89c6\u56fe\u5e76\u8bbe\u7f6e\u767b\u5f55\u6309\u94ae\u7684\u70b9\u51fb\u4e8b\u4ef6\u76d1\u542c\u5668\u3002\u5f53\u7528\u6237\u70b9\u51fb\u767b\u5f55\u6309\u94ae\u65f6\uff0c\u6211\u4eec\u5c06\u8c03\u7528login()\u65b9\u6cd5\u3002\u5728login()\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002\u7136\u540e\u5bf9\u8f93\u5165\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5982\u679c\u8f93\u5165\u5185\u5bb9\u65e0\u6548\uff0c\u5411\u7528\u6237\u663e\u793a\u9002\u5f53\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n

\u8fd9\u4e2a\u7b80\u6613\u7684\u767b\u5f55\u754c\u9762\u5e94\u7528\u7a0b\u5e8f\u4ec5\u7528\u4e8e\u6f14\u793a\u76ee\u7684\u3002\u5728\u5b9e\u9645\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u60a8\u9700\u8981\u5b9e\u73b0\u66f4\u4e25\u683c\u7684\u8868\u5355\u9a8c\u8bc1\uff0c\u5e76\u5c06\u767b\u5f55\u8bf7\u6c42\u53d1\u9001\u81f3\u8fdc\u7a0b\u670d\u52a1\u5668\uff0c\u5e76\u5904\u7406\u670d\u52a1\u5668\u7684\u54cd\u5e94\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u672c\u7bc7\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u5982\u4f55\u4f7f\u7528Eclipse\u6765\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684Android\u5e94\u7528\u7a0b\u5e8f\uff0c\u8fd9\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5177\u6709\u767b\u5f55\u754c\u9762\u3002\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u60a8\u5df2\u7ecf\u5b89\u88c5\u4e86\u4ee5\u4e0b\u5185\u5bb9\uff1a1. Java Development Kit<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[14050,14049,14,1066,781],"class_list":["post-7875","post","type-post","status-publish","format-standard","hentry","category-zuoapp","tag-flutterapp","tag-app","tag-14","tag-1066","tag-781"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/7875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/comments?post=7875"}],"version-history":[{"count":0,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/7875\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/media?parent=7875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/categories?post=7875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/tags?post=7875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}