android: Port to non-deprecated androidx PreferenceManager

The `android.preference.PreferenceManager` class was
deprecated in API level 29 [1].

Port to `androidx.preference.PreferenceManager` from
the AndroidX Preference library instead.

All that needs to be done for this is to add the new library
dependency and adjust the import, no further code changes
needed for this step. (There are uses of more deprecated
preferences-related classes, though. Those will have to be
dealt with separately.)

This addresses depreaction warnings like

> Task :compileStrippedUIEditingDebugJavaWithJavac
/home/michi/development/git/libreoffice-WORKTREE-android/android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java:16: warning: [deprecation] PreferenceManager in android.preference has been deprecated
import android.preference.PreferenceManager;
^

[1] https://developer.android.com/reference/android/preference/PreferenceManager

Change-Id: Ied168ffbd0591d69e0797e2a0a5bab067e133d22
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167716
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
Tested-by: Jenkins

4 files changed, 4 insertions, 5 deletions

diff --git a/android/source/build.gradle b/android/source/build.gradle
index 7012c275aa33..6428a0ffcfda 100644
--- a/android/source/build.gradle
+++ b/android/source/build.gradle
@@ -35,6 +35,7 @@ dependencies {
     implementation 'com.google.android.material:material:1.12.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation "androidx.multidex:multidex:2.0.1"
+    implementation 'androidx.preference:preference:1.2.1'
 }
 
 android {
diff --git a/android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java b/android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java
index cf60ff37c5da..1b0b3915c349 100644
--- a/android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java
+++ b/android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java
@@ -13,13 +13,13 @@ import android.graphics.RectF;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.preference.PreferenceManager;
 import android.provider.DocumentsContract;
 import com.google.android.material.bottomsheet.BottomSheetBehavior;
 import com.google.android.material.snackbar.Snackbar;
 import androidx.drawerlayout.widget.DrawerLayout;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
+import androidx.preference.PreferenceManager;
 import android.text.InputType;
 import android.util.Log;
 import android.view.KeyEvent;
diff --git a/android/source/src/java/org/libreoffice/LocaleHelper.java b/android/source/src/java/org/libreoffice/LocaleHelper.java
index a87c63f09990..e3997f913a32 100644
--- a/android/source/src/java/org/libreoffice/LocaleHelper.java
+++ b/android/source/src/java/org/libreoffice/LocaleHelper.java
@@ -4,8 +4,7 @@ import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.content.res.Resources;
-import android.os.Build;
-import android.preference.PreferenceManager;
+import androidx.preference.PreferenceManager;
 
 import java.util.Locale;
 
diff --git a/android/source/src/java/org/libreoffice/ui/LibreOfficeUIActivity.java b/android/source/src/java/org/libreoffice/ui/LibreOfficeUIActivity.java
index bc5203d9c6eb..e87779df0eae 100644
--- a/android/source/src/java/org/libreoffice/ui/LibreOfficeUIActivity.java
+++ b/android/source/src/java/org/libreoffice/ui/LibreOfficeUIActivity.java
@@ -20,9 +20,7 @@ import android.content.pm.ShortcutInfo;
 import android.content.pm.ShortcutManager;
 import android.graphics.drawable.Icon;
 import android.net.Uri;
-import android.os.Build;
 import android.os.Bundle;
-import android.preference.PreferenceManager;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
@@ -31,6 +29,7 @@ import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
+import androidx.preference.PreferenceManager;
 import androidx.appcompat.widget.Toolbar;
 import android.text.TextUtils;
 import android.util.Log;