在构建和应用程序安装时间之后，它显示错误“已安装的具有冲突签名的同名现有包” 我尝试了很多方法并更改了我的应用程序config.xml，但它不起作用请帮我解决这个问题。吼我附上我的config.xml文件也提前感谢你。
<?xml version="1.0" encoding="UTF-8"?>
<widget xmlns = "http://www.w3.org/ns/widgets" xmlns:gap = "http://phonegap.com/ns/1.0"
id = "com.app.sample"
versionCode = "105"
version = "1.0.4">
<name>Sample</name>
<description>
Sample Mobile App
</description>
<author href="" email="balay2k11@gmail.com">
BalaMurugan
</author>
<preference name="android-build-tool" value="gradle" />
<preference name="permissions" value="none"/>
<preference name="useBrowserHistory" value="true" />
<preference name="phonegap-version" value="cli-6.5.0" />
<preference name="android-minSdkVersion" value="15" />
<preference name="android-targetSdkVersion" value="23" />
<preference name="orientation" value="portrait" /> <!-- all: default means both landscape and portrait are enabled -->
<preference name="target-device" value="universal" /> <!-- all: possible values handset, tablet, or universal -->
<preference name="fullscreen" value="false" /> <!-- all: hides the status bar at the top of the screen -->
<preference name="webviewbounce" value="true" /> <!-- ios: control whether the screen 'bounces' when scrolled beyond the top -->
<preference name="prerendered-icon" value="true" /> <!-- ios: if icon is prerendered, iOS will not apply it's gloss to the app's icon on the user's home screen -->
<preference name="stay-in-webview" value="false" /> <!-- ios: external links should open in the default browser, 'true' would use the webview the app lives in -->
<preference name="ios-statusbarstyle" value="black-opaque" /> <!-- ios: black-translucent will appear black because the PhoneGap webview doesn't go beneath the status bar -->
<preference name="detect-data-types" value="true" /> <!-- ios: controls whether data types (such as phone no. and dates) are automatically turned into links by the system -->
<preference name="exit-on-suspend" value="false" /> <!-- ios: if set to true, app will terminate when home button is pressed -->
<preference name="show-splash-screen-spinner" value="true" /> <!-- ios: if set to false, the spinner won't appear on the splash screen during app loading -->
<preference name="auto-hide-splash-screen" value="true" /> <!-- ios: if set to false, the splash screen must be hidden using a JavaScript API -->
<preference name="disable-cursor" value="false" /> <!-- blackberry: prevents a mouse-icon/cursor from being displayed on the app -->
<preference name="android-installLocation" value="auto" /> <!-- android: app install location. 'auto' will choose. 'internalOnly' is device memory. 'preferExternal' is SDCard. -->
<plugin name="cordova-plugin-battery-status" source="npm" />
<plugin name="cordova-plugin-camera" source="npm" spec="2.1.1" />
<plugin name="cordova-plugin-console" source="npm" />
<plugin name="cordova-plugin-contacts" source="npm" />
<plugin name="cordova-plugin-device" source="npm" />
<plugin name="cordova-plugin-device-motion" source="npm" />
<plugin name="cordova-plugin-device-orientation" source="npm" />
<plugin name="cordova-plugin-dialogs" source="npm" />
<plugin name="cordova-plugin-file" source="npm" spec="4.3.3" />
<plugin name="cordova-plugin-file-transfer" source="npm" spec="1.6.3" />
<plugin name="cordova-plugin-geolocation" source="npm" />
<plugin name="cordova-plugin-globalization" source="npm" />
<plugin name="cordova-plugin-inappbrowser" source="npm" />
<plugin name="cordova-plugin-legacy-whitelist" source="npm" /> <!-- NEW -->
<plugin name="cordova-plugin-media" source="npm" />
<plugin name="cordova-plugin-media-capture" source="npm" />
<plugin name="cordova-plugin-network-information" source="npm" />
<plugin name="cordova-plugin-splashscreen" source="npm" />
<plugin name="cordova-plugin-statusbar" source="npm" /> <!-- NEW -->
<plugin name="cordova-plugin-test-framework" source="npm" /> <!-- NEW -->
<plugin name="cordova-plugin-vibration" source="npm" />
<plugin name="cordova-plugin-whitelist" source="npm" /> <!-- NEW -->
<gap:plugin name="cordova-plugin-calendar" source="npm" spec="4.4.6" />
<gap:plugin name="onesignal-cordova-plugin" source="npm" />
<gap:plugin name="cordova-plugin-x-toast" source="npm" />
<gap:plugin name="cordova.plugins.diagnostic" source="npm" /><!-- checking the location enabled or not -->
<gap:plugin name="cordova-plugin-apprate" source="npm" /> <!-- app ratting -->
<gap:plugin name="cordova-plugin-x-socialsharing" source="npm" /><!-- sharing the app -->
<icon src="icon.png" />
<icon src="res/android/icon-36-ldpi.png" gap:platform="android" gap:qualifier="ldpi" />
<icon src="res/android/icon-48-mdpi.png" gap:platform="android" gap:qualifier="mdpi" />
<icon src="res/android/icon-72-hdpi.png" gap:platform="android" gap:qualifier="hdpi" />
<icon src="res/android/icon-96-xhdpi.png" gap:platform="android" gap:qualifier="xhdpi" />
<splash src="splash.png" />
<gap:splash src="res/screen/android/ldpi.png" gap:platform="android" gap:qualifier="ldpi" />
<gap:splash src="res/screen/android/mdpi.png" gap:platform="android" gap:qualifier="mdpi" />
<gap:splash src="res/screen/android/hdpi.png" gap:platform="android" gap:qualifier="hdpi" />
<gap:splash src="res/screen/android/xhdpi.png" gap:platform="android" gap:qualifier="xhdpi" />
<gap:splash src="res/screen/android/fr-xhdpi.png" gap:platform="android" gap:qualifier="fr-xhdpi" />
<gap:splash src="res/screen/android/portrait-xxhdpi.png" gap:platform="android" gap:qualifier="port-xxhdpi" />
<gap:splash src="res/screen/android/landscape-xxhdpi.png" gap:platform="android" gap:qualifier="land-xxhdpi" />
<gap:splash src="res/screen/android/xxxhdpi.png" gap:platform="android" gap:qualifier="xxxhdpi" />
<gap:config-file platform="ios" parent="CFBundleShortVersionString">
<string>100</string>
</gap:config-file>
<access origin="*"/>
<plugin name="cordova-plugin-whitelist" version="1" />
<allow-intent href="http://*/*" />
<allow-intent href="https://*/*" />
<allow-intent href="tel:*" />
<allow-intent href="sms:*" />
<allow-intent href="mailto:*" />
<allow-intent href="geo:*" />
<platform name="android">
<allow-intent href="market:*" />
</platform>
<platform name="ios">
<allow-intent href="itms:*" />
<allow-intent href="itms-apps:*" />
</platform>
<feature name="Camera">
<param name="android-package" value="org.apache.cordova.camera.CameraLauncher" />
</feature>
</widget>