问题描述
我是 Android 开发新手,现在我遇到了 Volley 1.2 和 PHP 服务器 (NetBeans 12.4) 交互方面的问题。 MainActivity.kt 如下:
package com.example.easy
import android.os.Bundle
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import com.android.volley.toolBox.StringRequest
import com.android.volley.toolBox.Volley
import com.example.easy.databinding.ActivityMainBinding
class MainActivity : AppCompatActivity() {
private lateinit var binding: ActivityMainBinding
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityMainBinding.inflate(layoutInflater)
setContentView(binding.root)
val Button = binding.button
val url = "https://localhost/Easy/Api.PHP?params=abc"
Button.setonClickListener {
val queue = Volley.newRequestQueue(this)
val stringRequest = object : StringRequest(
Method.POST,url,com.android.volley.Response.Listener { response ->
Toast.makeText(getApplicationContext(),response.toString(),Toast.LENGTH_SHORT).show()
},com.android.volley.Response.ErrorListener {
Toast.makeText(
getApplicationContext(),"Error",Toast.LENGTH_SHORT
).show()
}){}
queue.add(stringRequest)
}
}
}
<?PHP
if(isset($_POST['param'])){
echo json_encode("Success");
}
else{
echo json_encode("Error");
}
当我点击按钮时,会出现“错误”吐司。有人可以帮我解决这个问题吗? build.gradle(应用程序):
plugins {
id 'com.android.application'
id 'kotlin-android'
}
android {
compileSdkVersion 30
buildToolsversion "30.0.3"
defaultConfig {
applicationId "com.example.easy"
minSdkVersion 19
targetSdkVersion 30
versionCode 1
versionName "1.0"
testInstrumentationRunner
"androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-
optimize.txt'),'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinoptions {
jvmTarget = '1.8'
}
buildFeatures {
viewBinding = true
}
}
dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
implementation 'androidx.core:core-ktx:1.6.0'
implementation 'androidx.appcompat:appcompat:1.3.0'
implementation 'com.google.android.material:material:1.4.0'
implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
implementation 'com.android.volley:volley:1.2.0'
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-
core:3.4.0'
}
build.gradle(项目):
buildscript {
ext.kotlin_version = "1.5.10"
repositories {
google()
mavenCentral()
}
dependencies {
classpath "com.android.tools.build:gradle:4.2.1"
classpath "org.jetbrains.kotlin:kotlin-gradle-
plugin:$kotlin_version"
classpath "com.google.gms:google-services:4.3.2"
// NOTE: Do not place your application dependencies here; they
belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
mavenCentral()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
AndroidManifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest
xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.easy">
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission
android:name="android.permission.ACCESS_NETWORK_STATE" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.Easy">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category
android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
解决方法
暂无找到可以解决该程序问题的有效方法,小编努力寻找整理中!
如果你已经找到好的解决方法,欢迎将解决方案带上本链接一起发送给小编。
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