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Automatic day night theme in settings activity

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There seems to be no "DayNight" theme compatible with older version of
android outside of the androidx library.

Using 'Theme.DeviceDefault' which is a dark theme, even if it doesn't
sounds like. Detect if a light theme should be used at activity
creation.
This commit is contained in:
Jules Aguillon 2022-11-05 10:13:35 +01:00
parent 7edfd81db1
commit d2328d4b9a
2 changed files with 16 additions and 1 deletions
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2
AndroidManifest.xml
View File

@ -8,7 +8,7 @@
</intent-filter> </intent-filter>
<meta-data android:name="android.view.im" android:resource="@xml/method"/> <meta-data android:name="android.view.im" android:resource="@xml/method"/>
</service> </service>
<activity android:name="juloo.keyboard2.SettingsActivity" android:icon="@drawable/ic_launcher" android:label="@string/settings_activity_label" android:theme="@style/android:Theme.Material"> <activity android:name="juloo.keyboard2.SettingsActivity" android:icon="@drawable/ic_launcher" android:label="@string/settings_activity_label" android:theme="@style/android:Theme.DeviceDefault">
<intent-filter> <intent-filter>
<action android:name="android.intent.action.MAIN"/> <action android:name="android.intent.action.MAIN"/>
</intent-filter> </intent-filter>

15
srcs/juloo.keyboard2/SettingsActivity.java
View File

@ -1,5 +1,7 @@
package juloo.keyboard2; package juloo.keyboard2;
import android.content.res.Configuration;
import android.os.Build;
import android.os.Bundle; import android.os.Bundle;
import android.preference.PreferenceActivity; import android.preference.PreferenceActivity;
@ -8,7 +10,20 @@ public class SettingsActivity extends PreferenceActivity
@Override @Override
public void onCreate(Bundle savedInstanceState) public void onCreate(Bundle savedInstanceState)
{ {
detectSystemTheme();
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.settings); addPreferencesFromResource(R.xml.settings);
} }
/** The default theme is [Theme.DeviceDefault], which is dark. Detect if the
system is using light theme. */
void detectSystemTheme()
{
if (Build.VERSION.SDK_INT >= 14)
{
int ui_mode = getResources().getConfiguration().uiMode;
if ((ui_mode & Configuration.UI_MODE_NIGHT_NO) != 0)
setTheme(android.R.style.Theme_DeviceDefault_Light);
}
}
} }