Tips on restarting the application after clicking the app icon launcher in Cordova

I'm currently working on a mobile application using PhoneGap with Cordova, testing it on android before moving onto iOS. My issue is that when the app is running in the background and I click on the launcher icon to open it again, it restarts instead of continuing from where it left off. I tried setting the attribute keepRunning to true in the config.xml file, but it didn't solve the problem.

   <preference name="keepRunning" value="true" />

This is my config.xml :

     <?xml version="1.0" encoding="utf-8" standalone="no"?>
     <widget xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0" id="com.coolappz.HTML5Application1" version="1.0.0">
        <name>HTML5Application1</name>
        <description>Cordova Application</description>
        <author email="<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="ec85828a83ac8f8383808d9c9c96">[email protected]</a>" href="http://www.coolappz.com">user</author>
        <access origin="*"/>
        <preference name="fullscreen" value="true"/>
        <preference name="webviewbounce" value="true"/>
        <preference name="keepRunning" value="true" />

    </widget>

EDIT: For more details:

I have a counter that starts at zero and increases by 1 every second. The counter continues to increment in the background if I press home. However, when I tap the launcher icon, the counter resets to zero because the app is being recreated.

I hope this clarifies the situation.

My question :

Can this issue be resolved through Cordova configuration or do I need a plugin to address it?
Is there a solution available, and if so, how can I implement it? Thanks

javascriptandroidioscordova

Answer №1

Make sure to update your config.xml file with the necessary preferences:

    <preference name="permissions"                value="none"/>
     <!-- Don't forget to customize your app and platform using the preference element. -->
    <preference name="phonegap-version"           value="3.3.0" />    <!-- Latest version of PhoneGap -->
    <preference name="orientation"                value="default" />        <!-- Set orientations for both landscape and portrait -->
    <preference name="target-device"              value="universal" />      <!-- Choose between handset, tablet, or universal devices -->
    <preference name="fullscreen"                 value="true" />           <!-- Hide status bar at the top of the screen -->
   <preference name="webviewbounce"              value="false" />           <!-- Control screen bouncing on iOS -->
   <preference name="prerendered-icon"           value="true" />           <!-- Prevent iOS from adding gloss to app icon -->
   <preference name="stay-in-webview"            value="false" />          <!-- Decide if external links should open in default browser or within app webview -->
   <preference name="ios-statusbarstyle"         value="black-opaque" />   <!-- Ensure status bar doesn't overlay content on iOS -->
   <preference name="detect-data-types"          value="true" />           <!-- Automatically detect data types like phone numbers and dates on iOS -->
   <preference name="exit-on-suspend"            value="false" />          <!-- Determine whether app terminates when home button is pressed on iOS -->
   <preference name="show-splash-screen-spinner" value="true" />           <!-- Show spinner during app loading on iOS splash screen -->
   <preference name="auto-hide-splash-screen"    value="true" />           <!-- Automatically hide splash screen on iOS -->
   <preference name="disable-cursor"             value="false" />          <!-- Disable mouse cursor display on BlackBerry apps -->
   <preference name="android-minSdkVersion"      value="10" />              <!-- Specify minimum SDK version for Android devices -->
   <preference name="android-installLocation"    value="auto" />           <!-- Choose app installation location on Android devices -->
   <preference name="KeyboardDisplayRequiresUserAction " value="false"/>

Answer №2

After experimenting with different approaches, I finally found success with the following solution:

Include the following line in the activity tag of your AndroidManifest.xml file:

     android:launchMode="singleInstance"

You can locate the AndroidManifest.xml file at projectName/platforms/android/AndroidManifest.xml.

And that's all there is to it!

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