87 lines
2.6 KiB
Java
87 lines
2.6 KiB
Java
package org.thoughtcrime.securesms.util;
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.app.Service;
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import android.content.Context;
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import android.content.Intent;
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import android.content.res.Configuration;
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import android.os.Build.VERSION;
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import android.os.Build.VERSION_CODES;
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import android.support.annotation.RequiresApi;
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import android.text.TextUtils;
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import java.util.Locale;
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public class DynamicLanguage {
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private static final String DEFAULT = "zz";
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private Locale currentLocale;
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public void onCreate(Activity activity) {
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currentLocale = getSelectedLocale(activity);
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setContextLocale(activity, currentLocale);
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}
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public void onResume(Activity activity) {
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if (!currentLocale.equals(getSelectedLocale(activity))) {
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Intent intent = activity.getIntent();
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activity.finish();
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OverridePendingTransition.invoke(activity);
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activity.startActivity(intent);
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OverridePendingTransition.invoke(activity);
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}
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}
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public void updateServiceLocale(Service service) {
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currentLocale = getSelectedLocale(service);
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setContextLocale(service, currentLocale);
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}
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public Locale getCurrentLocale() {
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return currentLocale;
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}
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@RequiresApi(VERSION_CODES.JELLY_BEAN_MR1)
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public static int getLayoutDirection(Context context) {
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Configuration configuration = context.getResources().getConfiguration();
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return configuration.getLayoutDirection();
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}
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private static void setContextLocale(Context context, Locale selectedLocale) {
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Configuration configuration = context.getResources().getConfiguration();
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if (!configuration.locale.equals(selectedLocale)) {
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configuration.locale = selectedLocale;
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if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
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configuration.setLayoutDirection(selectedLocale);
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}
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context.getResources().updateConfiguration(configuration,
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context.getResources().getDisplayMetrics());
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}
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}
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private static Locale getActivityLocale(Activity activity) {
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return activity.getResources().getConfiguration().locale;
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}
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private static Locale getSelectedLocale(Context context) {
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String language[] = TextUtils.split(TextSecurePreferences.getLanguage(context), "_");
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if (language[0].equals(DEFAULT)) {
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return Locale.getDefault();
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} else if (language.length == 2) {
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return new Locale(language[0], language[1]);
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} else {
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return new Locale(language[0]);
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}
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}
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private static final class OverridePendingTransition {
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static void invoke(Activity activity) {
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activity.overridePendingTransition(0, 0);
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}
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}
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}
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