migrating to androidx (The library & dependency matching)

the Errors

Your app currently targets API level 27 and must target at least API level 28 to ensure that it is built on the latest APIs optimised for security and performance. Change your app’s target API level to at least 28. Find out how.

Changing Dependency version to 28

implementation ‘com.android.support:support-v4:28.0.0’
implementation ‘com.android.support:appcompat-v7:28.0.0’
implementation ‘com.android.support:customtabs:28.0.0’

implementation 'com.android.support:design:28.0.0'

Sync error

This project uses AndroidX dependencies, but the ‘android.useAndroidX‘ property is not enabled. Set this property to true in the gradle.properties file and retry.
The following AndroidX dependencies are detected: androidx.versionedparcelable:versionedparcelable:1.0.0, androidx.fragment:fragment:1.0.0, androidx.slidingpanelayout:slidingpanelayout:1.0.0, androidx.core:core:1.0.0, androidx.customview:customview:1.0.0, androidx.swiperefreshlayout:swiperefreshlayout:1.0.0, androidx.interpolator:interpolator:1.0.0, androidx.loader:loader:1.0.0, androidx.drawerlayout:drawerlayout:1.0.0, androidx.viewpager:viewpager:1.0.0, androidx.collection:collection:1.0.0, androidx.localbroadcastmanager:localbroadcastmanager:1.0.0, androidx.lifecycle:lifecycle-common:2.0.0, androidx.arch.core:core-common:2.0.0, androidx.annotation:annotation:1.0.0, androidx.lifecycle:lifecycle-livedata:2.0.0, androidx.legacy:legacy-support-core-ui:1.0.0, androidx.lifecycle:lifecycle-viewmodel:2.0.0, androidx.lifecycle:lifecycle-livedata-core:2.0.0, androidx.browser:browser:1.0.0, androidx.arch.core:core-runtime:2.0.0, androidx.legacy:legacy-support-core-utils:1.0.0, androidx.documentfile:documentfile:1.0.0, androidx.cursoradapter:cursoradapter:1.0.0, androidx.lifecycle:lifecycle-runtime:2.0.0, androidx.coordinatorlayout:coordinatorlayout:1.0.0, androidx.asynclayoutinflater:asynclayoutinflater:1.0.0, androidx.print:print:1.0.0
Affected Modules: app

Table of Contents

Step 2 open gradle.properties add & sync

android.useAndroidX=true

android.enableJetifier=true

//Jetifier helps migrate third-party dependencies to use AndroidX.

Dependency Mapping

change compile sdk 28 to 29

28 intended for android pie and below

Old	New
com.android.support:support-v4	androidx.legacy:legacy-support-v4
com.android.support:appcompat-v7	androidx.appcompat:appcompat
com.android.support:customtabs	androidx.browser:browser
com.android.support:design	com.google.android.material:material-rc01
com.android.support:swiperefreshlayout	androidx.swiperefreshlayout:swiperefreshlayout
android.support.v7.widget.Toolbar	androidx.appcompat.widget.Toolbar
android.support.v7.app.AppCompatActivity	androidx.appcompat.app.AppCompatActivity
android.support.design.widget.TabLayout	com.google.android.material.tabs.TabLayout
androidx.core.widget.DrawerLayout	androidx.drawerlayout.widget.DrawerLayout
androidx.core.view.PagerAdapter	androidx.viewpager.widget
androidx.core.view.ViewPager	androidx.viewpager.widget

More at android artifact mapping

implementation ‘com.android.support:support-v4:28.0.0’
implementation ‘com.android.support:appcompat-v7:28.0.0’
implementation ‘com.android.support:customtabs:28.0.0’

implementation 'com.android.support:design:28.0.0'

implementation ‘androidx.legacy:legacy-support-v4:1.0.0’
implementation ‘androidx.browser:browser:1.2.0’

implementation ‘androidx.appcompat:appcompat:1.1.0’
implementation ‘com.google.android.material:material:1.1.0’
implementation “androidx.swiperefreshlayout:swiperefreshlayout:1.1.0”

Step 3: Lets fix compile time errors by library class Mapping

3.1 Refractor >> Migrate to Android Studio

Its not accurately adds new libraries. later you need find the libraries and fix it manually.

Step 1: refractor migrate to androidx

step 2: click on do refractor

Step 3: rebuild project

class mapping

all mappings here

Old	New

import androidx.core.widget.DrawerLayout;
import android.support.v7.widget.Toolbar;
import android.support.v7.app.AppCompatActivity;

Artifact Mappings

https://developer.android.com/jetpack/androidx/migrate/artifact-mappings

old libraries

import android.support.customtabs.CustomTabsIntent;
import android.support.design.widget.TabLayout;
import android.support.v4.content.ContextCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.widget.Toolbar;

import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;

Note: Don;t tempt to modify the code / methods. (just a library issues)

CTRL+SHIFT+R to replace

Step 4: FIx runtime errors

Step 5: Layout library Modification

Duration: few hours.

I tried for 90% used the updated source code by someone else

import android.support.design.widget.TabLayout;

android.support to android.x

Class mappings

android.support.design.widget.TabLayout

com.google.android.material.tabs.TabLayout

android.support.v7.widget.Toolbar

androidx.appcompat.widget.Toolbar

android.support.v7

androidx.appcompat

import androidx.core.app.Fragment;

import android.support.v4.app.Fragment;

import android.support.v4.app.FragmentManager;

import androidx.fragment.app.Fragment;

import androidx.fragment.app.FragmentManager;

import androidx.fragment.app.FragmentPagerAdapter;

com.android.support:support-fragment would need to be replaced there with

androidx.fragment:fragment,

import android.support.v4.app.FragmentManager;

androidx.fragment.app.FragmentManager

import androidx.core.app.Fragment;

import androidx.core.app.FragmentManager;

import androidx.core.app.FragmentStatePagerAdapter;

core to fragment

import androidx.core.widget.DrawerLayout;

androidx.drawerlayout.widget.DrawerLayout

from

androidx.core.widget.SwipeRefreshLayout;

import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;

from

import androidx.core.view.PagerAdapter;

import androidx.core.view.ViewPager;

androidx.viewpager.widget.ViewPager

androidx.viewpager.widget.PagerAdapter

Required type:

android.app.AlertDialog.Builder

Provided:

androidx.appcompat.app.AlertDialog.Builder

fragmentactivity cannot be converted to appcompatactivity

This seems to be an import problem.

import android.app.Fragment;

import android.support.v4.app.Fragment;

androidx.fragment.app.FragmentManager

fallback

from

import androidx.appcompat.app.AlertDialog;

import android.app.AlertDialog;

import androidx.fragment.app.AlertDialog;

Required type fragment activity provided appcompat activity

cast to import androidx.appcompat.app.AppCompatActivity;

Activity <- FragmentActivity <- AppCompatActivity <- ActionBarActivity

* Activity is the basic one.

* Based on Activity, FragmentActivity provides the ability to use Fragment.

* Based on FragmentActivity, AppCompatActivity provides features to ActionBar.

adancedwebiew jaa & webfragmentja.

186

actity to fragment actiity

found

androidx.fragment.app.FragmentActivity

Required

androidx.appcompat.app.AppCompatActivity

Found

import homeagment.app.FragmentActivity;

‘WebToAppWebClient(androidx.appcompat.app.AppCompatActivity, android.webkit.WebView)’ in ‘home.jsit.landrecord.widget.webview.WebToAppWebClient’ cannot be applied to ‘(androidx.fragment.app.FragmentActivity, home.jsit.landrecord.widget.AdvancedWebView)’

Static interface methods are only supported starting with Android N (–min-api 24): androidx.browser.trusted.TrustedWebActivityDisplayMode androidx.browser.trusted.TrustedWebActivityDisplayMode.fromBundle(android.os.Bundle)

Stack trace:

missing “compileOptions” configuration in the AndroidManifest.xml file.

build.gradle App module

android{

compileOptions {

sourceCompatibility JavaVersion.VERSION_1_8

targetCompatibility JavaVersion.VERSION_1_8

}

java.lang.RuntimeException: Unable to get provider com.google.android.gms.ads.MobileAdsInitProvider: java.lang.IllegalStateException:

Starting in version 17.0.0

if you update your Admob library in gradle then you need to add this in your manifest.

implementation ‘com.google.android.gms:play-services-ads:19.3.0’

in manifest file

<!– TODO: Replace with your real AdMob app ID –>

<meta-data

android:name=”com.google.android.gms.ads.APPLICATION_ID”

android:value=”ca-app-pub-################~##########”/>

</application>

Application id: package name /app id mostly same unless you change it.

AdMob app ID: add to admob

<meta-data

android:name=”com.google.android.gms.ads.APPLICATION_ID”

android:value=”ca-app-pub-xxxxxxx~xxxxxx”/>

</application>

google ad manager instead of admob

then

<meta-data

android:name=”com.google.android.gms.ads.AD_MANAGER_APP”

android:value=”true”/>

class library match

android.app.AlertDialog.Builder

inconvertible types; cannot cast ‘androidx.fragment.app.Fragment‘ to ‘com.package.name.drawer.DrawerFragment‘

androidx.core.app.fragment not found

import androidx.core.app.Fragment; to androidx.drawerlayout.widget.DrawerLayout
import androidx.core.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.widget.Toolbar;

androidx.appcompat

android.support.design.widget.TabLayout

import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentPagerAdapter;

import androidx.core.widget.SwipeRefreshLayout;

androidx.swiperefreshlayout.widget.SwipeRefreshLayout

import androidx.core.app.Fragment;
import androidx.core.app.FragmentManager;
import androidx.core.app.FragmentStatePagerAdapter;

Cannot Resolve Symbol ‘App’

Select tools>-android>-SDK manager

update available click apply

Restart the IDE

“File” -> “Invalidate Caches…”, and select “Invalidate and Restart” option to fix this.