Change Locale Not Work After Migrate to Androidx

Change Locale not work after migrate to Androidx

Finally, I find the problem in my app. When migrating the project to Androidx dependencies of my project changed like this:

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'androidx.appcompat:appcompat:1.1.0-alpha03'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'com.google.android.material:material:1.1.0-alpha04'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0-alpha02'
} 

As it is seen, version of androidx.appcompat:appcompat is 1.1.0-alpha03 when I changed it to the latest stable version, 1.0.2, my problem is resolved and the change language working properly.

I find the latest stable version of appcompat library in Maven Repository. I also change other libraries to the latest stable version.

Now my app dependencies section is like bellow:

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'androidx.appcompat:appcompat:1.0.2'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'com.google.android.material:material:1.0.0'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
}

Changing Localization programatically during runtime no longer working on pre-Oreo sdk 26 after migrating to androidX

Changing implementation of 'androidx.appcompat:appcompat:1.1.0' to version 1.0.0

and keeping 'androidx.constraintlayout:constraintlayout:1.1.3' to version 1.1.3

solves the problem.

Also, if you use implementation 'com.google.android.material:material:1.1.0', change it to version 1.0.0

Language change issue after updating to androidx.appcompat:appcompat:1.1.0

Edit:

To continue using version 1.1.0 add this below your attachBaseContext:

Kotlin solution:

override fun applyOverrideConfiguration(overrideConfiguration: Configuration?) {
    if (overrideConfiguration != null) {
        val uiMode = overrideConfiguration.uiMode
        overrideConfiguration.setTo(baseContext.resources.configuration)
        overrideConfiguration.uiMode = uiMode
    }
    super.applyOverrideConfiguration(overrideConfiguration)
}

Java solution:

@Override
public void applyOverrideConfiguration(Configuration overrideConfiguration) {
    if (overrideConfiguration != null) {
        int uiMode = overrideConfiguration.uiMode;
        overrideConfiguration.setTo(getBaseContext().getResources().getConfiguration());
        overrideConfiguration.uiMode = uiMode;
    }
    super.applyOverrideConfiguration(overrideConfiguration);
}

If you don't need to upgrade to the latest appCompat then check the
old answer. Else use the solution provided by @0101100101
here.

Old Answer:

After spending hours trying, got to know that it might be a bug.

Downgrade to the last stable version and it works flawlessly.

dependencies {
    implementation 'androidx.appcompat:appcompat:1.0.2'   //************ DO NOT UPGRADE LANGUAGE ISSUE on API 23 and below *******************//
    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
....
}

Meanwhile, I have filed an issue with Google https://issuetracker.google.com/issues/140880275

changes in locale does work when add many modules

Explanation

The problem is related to Appcompat. There are two different fixes depending on the version of AppCompat. Since you are using 1.2.0, you will have to implement that one.

AppCompatDelegateImpl ends up removing the locale, because essentially a ContextThemeWrapper wraps your ContextWrapper. See the implementation @ AppCompatDelegateImpl.java line 368 . Also lines 388, and 480.

try {
                ContextThemeWrapperCompatApi17Impl.applyOverrideConfiguration(
                        (android.view.ContextThemeWrapper) baseContext, config);
                return baseContext;
            } catch (IllegalStateException e) {
                if (DEBUG) {
                    Log.d(TAG, "Failed to apply configuration to base context", e);
                }
            }

The work-around for this is to over-ride getDelegate inside your Base Activity like this:

private var baseContextWrappingDelegate: AppCompatDelegate? = null

override fun getDelegate() = baseContextWrappingDelegate ?: BaseContextWrappingDelegate(super.getDelegate()).apply {
    baseContextWrappingDelegate = this
}

And you also need the following class ( see : Change Locale not work after migrate to Androidx ).

package androidx.appcompat.app

import android.content.Context
import android.content.res.Configuration
import android.os.Bundle
import android.util.AttributeSet
import android.view.MenuInflater
import android.view.View
import android.view.ViewGroup
import androidx.appcompat.view.ActionMode
import androidx.appcompat.widget.Toolbar

class BaseContextWrappingDelegate(private val superDelegate: AppCompatDelegate) : AppCompatDelegate() {

    override fun getSupportActionBar() = superDelegate.supportActionBar

    override fun setSupportActionBar(toolbar: Toolbar?) = superDelegate.setSupportActionBar(toolbar)

    override fun getMenuInflater(): MenuInflater? = superDelegate.menuInflater

    override fun onCreate(savedInstanceState: Bundle?) {
        superDelegate.onCreate(savedInstanceState)
        removeActivityDelegate(superDelegate)
        addActiveDelegate(this)
    }

    override fun onPostCreate(savedInstanceState: Bundle?) = superDelegate.onPostCreate(savedInstanceState)

    override fun onConfigurationChanged(newConfig: Configuration?) = superDelegate.onConfigurationChanged(newConfig)

    override fun onStart() = superDelegate.onStart()

    override fun onStop() = superDelegate.onStop()

    override fun onPostResume() = superDelegate.onPostResume()

    override fun setTheme(themeResId: Int) = superDelegate.setTheme(themeResId)

    override fun <T : View?> findViewById(id: Int) = superDelegate.findViewById<T>(id)

    override fun setContentView(v: View?) = superDelegate.setContentView(v)

    override fun setContentView(resId: Int) = superDelegate.setContentView(resId)

    override fun setContentView(v: View?, lp: ViewGroup.LayoutParams?) = superDelegate.setContentView(v, lp)

    override fun addContentView(v: View?, lp: ViewGroup.LayoutParams?) = superDelegate.addContentView(v, lp)

    override fun attachBaseContext2(context: Context) = wrap(superDelegate.attachBaseContext2(super.attachBaseContext2(context)))

    override fun setTitle(title: CharSequence?) = superDelegate.setTitle(title)

    override fun invalidateOptionsMenu() = superDelegate.invalidateOptionsMenu()

    override fun onDestroy() {
        superDelegate.onDestroy()
        removeActivityDelegate(this)
    }

    override fun getDrawerToggleDelegate() = superDelegate.drawerToggleDelegate

    override fun requestWindowFeature(featureId: Int) = superDelegate.requestWindowFeature(featureId)

    override fun hasWindowFeature(featureId: Int) = superDelegate.hasWindowFeature(featureId)

    override fun startSupportActionMode(callback: ActionMode.Callback) = superDelegate.startSupportActionMode(callback)

    override fun installViewFactory() = superDelegate.installViewFactory()

    override fun createView(parent: View?, name: String?, context: Context, attrs: AttributeSet): View? = superDelegate.createView(parent, name, context, attrs)

    override fun setHandleNativeActionModesEnabled(enabled: Boolean) {
        superDelegate.isHandleNativeActionModesEnabled = enabled
    }

    override fun isHandleNativeActionModesEnabled() = superDelegate.isHandleNativeActionModesEnabled

    override fun onSaveInstanceState(outState: Bundle?) = superDelegate.onSaveInstanceState(outState)

    override fun applyDayNight() = superDelegate.applyDayNight()

    override fun setLocalNightMode(mode: Int) {
        superDelegate.localNightMode = mode
    }

    override fun getLocalNightMode() = superDelegate.localNightMode

    private fun wrap(context: Context): Context {
        //Put wrapping implementation here
    }
}

References

1. https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-master-dev/appcompat/appcompat/src/main/java/androidx/appcompat/app/AppCompatDelegateImpl.java#368

2. Change Locale not work after migrate to Androidx

3. https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-master-dev/appcompat/appcompat/src/main/java/androidx/appcompat/app/AppCompatDelegateImpl.java#368

setLocale for change language has no effect in Android

This answer worked for me :

bundle  {
    language {
    // Specifies that the app bundle should not support
    // configuration APKs for language resources. These
    // resources are instead packaged with each base and
    // dynamic feature APK.
    enableSplit = false
    }
}

I have got the answer from this

popup dialog not working after Migrate to Androidx

in the XML layout, i just changed the hieght and width to custom size, its just working fine

<?xml version="1.0" encoding="utf-8"?>

xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="@dimen/_260sdp"
android:layout_height="@dimen/_220sdp"

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