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https://issues.apache.org/jira/browse/CB-11742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15473170#comment-15473170
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David Martinez Borque commented on CB-11742:
--------------------------------------------
Thanks. At least that is a workaround.
> After upgrading to version 6.3.1, apps won't install in Android because they
> are detected as DOWNGRADE
> ------------------------------------------------------------------------------------------------------
>
> Key: CB-11742
> URL: https://issues.apache.org/jira/browse/CB-11742
> Project: Apache Cordova
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Android
> Affects Versions: 6.3.1
> Environment: Developing on Windows 8.1 with node v5.1.0, cordova
> 6.3.1 for android
> Reporter: David Martinez Borque
> Labels: android, triaged
>
> I have updated to cordova 6.3.1
> Then I compile all my apps, generating new release apks (v.1.17).
> Then I try to install the new apk into an android device where I already have
> an older version of the app (v 1.16)
> When upgrading the app (adb install -r android-release.apk) I always get this
> error:
> [INSTALL_FAILED_VERSION_DOWNGRADE]
> Most curiously, when I install the new apk (with adb install -r -d) the
> Android system detects that the version of the app is 1.17!!
> ----------------------------> further on...<---------------------------
> I found a workaround for this problem. I modified the build.gradle file from:
> {code}
> /*
> ELSE NOTHING! DON'T MESS WITH THE VERSION CODE IF YOU DON'T HAVE TO!
> else if (!cdvVersionCode) {
> def minSdkVersion = cdvMinSdkVersion ?:
> privateHelpers.extractIntFromManifest("minSdkVersion")
> // Vary versionCode by the two most common API levels:
> // 14 is ICS, which is the lowest API level for many apps.
> // 20 is Lollipop, which is the lowest API level for the updatable
> system webview.
> if (minSdkVersion >= 20) {
> defaultConfig.versionCode += 9
> } else if (minSdkVersion >= 14) {
> defaultConfig.versionCode += 8
> }
> }
> */
> {code}
> to:
> {code}
> /*
> ELSE NOTHING! DON'T MESS WITH THE VERSION CODE IF YOU DON'T HAVE TO!
> */
> else if (!cdvVersionCode) {
> def minSdkVersion = cdvMinSdkVersion ?:
> privateHelpers.extractIntFromManifest("minSdkVersion")
> // Vary versionCode by the two most common API levels:
> // 14 is ICS, which is the lowest API level for many apps.
> // 20 is Lollipop, which is the lowest API level for the updatable
> system webview.
> if (minSdkVersion >= 20) {
> defaultConfig.versionCode =
> Integer.parseInt(defaultConfig.versionCode + '9')
> } else if (minSdkVersion >= 14) {
> defaultConfig.versionCode =
> Integer.parseInt(defaultConfig.versionCode + '8')
> }
> }
> {code}
> With this, the generated apk is not detected as a downgrade, and when I check
> the app version in Settings of the Android device, it shows the correct
> version number.
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