[Sony Cross-Device Development Themes and Apps] abo hani:
Settings - Full App Theming

Download The Following Drawable From Here, Replace it with Yours.

Navigate to res/values/colors.xml, Make the values like this :

<color name="dashboard_background_color">#303030</color>
<color name="wifi_divider">#303030</color>
<color name="setup_wizard_navbar_bg_dark">#303030</color>
<color name="divider_color">#303030</color>
<color name="setup_divider_color_dark">#303030</color>

Now, Navigate to res/values/styles.xml, Do the following :

Find

<style name="setup_wizard_navbar_style">
<item name="android:background">?setup_wizard_navbar_bg_color</item>

</style>

Replace To

<style name="setup_wizard_navbar_style">
<item name="android:background">#303030</item>

</style>

Find

<style name="setup_wizard_navbar_button_style" parent="@android:style/Widget.Material.Button.Borderless">
<item name="android:background">@drawable/setup_wizard_navbar_btn_bg</item>
</style>

Replace To

<style name="setup_wizard_navbar_button_style" parent="@android:style/Widget.Material.Button.Borderless">
<item name="android:background">#303030</item>
</style>

Find

<style name="StaminaItemLabel">
<item name="android:textColor">?android:textColorPrimary</item>
</style>

Replace To

<style name="StaminaItemLabel">
<item name="android:textColor">#ffffffff</item>
</style>

Find

<style name="TextAppearance.PasswordEntry" parent="@style/TextAppearance">
<item name="android:textColor">?android:textColorPrimary</item>
</style>

Replace To

<style name="TextAppearance.PasswordEntry" parent="@style/TextAppearance">
<item name="android:textColor">#ffffffff</item>
</style>

Find

<style name="TopDivider">
<item name="android:background">?setup_divider_color</item>
</style>

Replace To

<style name="TopDivider">
<item name="android:background">#303030</item>
</style>

Find

<style name="wifi_item_label">
<item name="android:textColor">?android:textColorSecondary</item>
</style>

Replace To

<style name="wifi_item_label">
<item name="android:textColor">#b3ffffff</item>
</style>

Find

<style name="wifi_item_content">
<item name="android:textColor">?android:textColorPrimary</item>
</style>

Replace To

<style name="wifi_item_content">
<item name="android:textColor">#ffffffff</item>
</style>

Find

<style name="SecurityPreferenceButtonContainer" parent="@android:style/DeviceDefault.Light.SegmentedButton">
<style name="SecurityPreferenceButton" parent="@android:style/Widget.DeviceDefault.Light.Button.Borderless">
<style name="Widget.TimePicker" parent="@android:style/Widget.DeviceDefault.Light.TimePicker">

Replace To

<style name="SecurityPreferenceButtonContainer" parent="@android:style/DeviceDefault.SegmentedButton">
<style name="SecurityPreferenceButton" parent="@android:style/Widget.DeviceDefault.Button.Borderless">
<style name="Widget.TimePicker" parent="@android:style/Widget.DeviceDefault.TimePicker">

Find

<style name="SetupWizardTheme.Light" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar">
<item name="android:alertDialogTheme">@style/Theme.Light.WifiDialog</item>
<item name="ic_menu_add">@drawable/ic_menu_add_light</item>
<item name="ic_wps">@drawable/ic_wps_light</item>
<item name="setup_divider_color">@color/setup_divider_color_light</item>
<item name="wifi_signal_color">@color/setup_wizard_wifi_color_light</item>
<item name="wifi_signal">@drawable/wifi_signal_light</item>
</style>

Replace To

<style name="SetupWizardTheme.Light" parent="@android:style/Theme.DeviceDefault.NoActionBar">
<item name="android:alertDialogTheme">@style/Theme.WifiDialog</item>
<item name="ic_menu_add">@drawable/ic_menu_add_dark</item>
<item name="ic_wps">@drawable/ic_wps_dark</item>
<item name="setup_divider_color">@color/setup_divider_color_dark</item>
<item name="wifi_signal_color">@color/setup_wizard_wifi_color_dark</item>
<item name="wifi_signal">@drawable/wifi_signal_dark</item>
</style>

Find

<style name="Theme.Light.WifiDialog" parent="@android:style/Theme.DeviceDefault.Light.Dialog.Alert">
<item name="ic_menu_add">@drawable/ic_menu_add_light</item>
<item name="ic_wps">@drawable/ic_wps_light</item>
<item name="wifi_signal">@drawable/wifi_signal_light</item>
</style>

Replace To

<style name="Theme.Light.WifiDialog" parent="@android:style/Theme.DeviceDefault.Dialog.Alert">
<item name="ic_menu_add">@drawable/ic_menu_add_dark</item>
<item name="ic_wps">@drawable/ic_wps_dark</item>
<item name="wifi_signal">@drawable/wifi_signal_dark</item>
</style>

Find

<style name="Theme.SettingsBase" parent="@android:style/Theme.DeviceDefault.Settings" />

Replace To & Add

<style name="Theme.SettingsBase" parent="@android:style/Theme.DeviceDefault" />
<item name="android:textColorPrimary">#ffffffff</item>
<item name="android:textColorSecondary">#b3ffffff</item>

Find

<style name="Theme.DialogWhenLarge" parent="@android:style/Theme.DeviceDefault.Settings">
<style name="Theme.CryptKeeper" parent="@android:style/Theme.DeviceDefault.Settings">
<style name="Theme.AlertDialog" parent="@android:style/Theme.DeviceDefault.Light.Dialog.Alert">

Replace To

<style name="Theme.DialogWhenLarge" parent="@android:style/Theme.DeviceDefault">
<style name="Theme.CryptKeeper" parent="@android:style/Theme.DeviceDefault">
<style name="Theme.AlertDialog" parent="@android:style/Theme.DeviceDefault.Dialog.Alert">

Find

<style name="VertDivider">
<item name="android:background">@color/divider_color</item>
</style>

Replace To

<style name="VertDivider">
<item name="android:background">#303030</item>
</style>

In Layout/Dashboard_Category, Replace The " background " to this

android:background="#303030"

In Layout/battery_history_chart, Replace android:textcolor to this

android:textColor="#ffffffff"

In Layout/preference, repalce the first android:textcolor with primary, and the second one with secondary

android:textColor="?android:textColorPrimary"
android:textColor="?android:textColorSecondary"

In Layout/Stamina_battery_time, replace all the android:textcolor with this :

android:textColor="?android:textColorSecondary"

Settings - Connectivity Options Theming

enhancedusbux - USB Connectivity Option

Navigate to res/values/styles.xml, Do the following :

Find

<style name="settings" parent="@android:style/Theme.DeviceDefault.Light.DarkActionBar">

Replace To

<style name="settings" parent="@android:style/Theme.DeviceDefault">

DualShock3 - ( data/app/com.sony.nfx.service.WirelessControllerManagerService.apk ) - Full App Theming

Navigate to res/values/colors.xml, Make the values like this :

<color name="black87percent">#ddffffff</color>
<color name="black54percent">#89ffffff</color>
<color name="black26percent">#42ffffff</color>

Navigate to res/values/styles.xml, Do the following :

Find

<style name="settings" parent="@android:style/Theme.DeviceDefault.Light">

Replace To

<style name="settings" parent="@android:style/Theme.DeviceDefault">

This code in the last line of Styles.xml .​

SomcAutoPairing - Full App Theming

Navigate to res/values/styles.xml, Do the following :

Find

<style name="OtsAppThemeBase" parent="@android:style/Theme.DeviceDefault.Light.DarkActionBar">

Replace To

<style name="OtsAppThemeBase" parent="@android:style/Theme.DeviceDefault">

Find

<style name="OtsTabletActionBar" parent="@android:style/Widget.DeviceDefault.Light.ActionBar.Solid">

Replace To

<style name="OtsTabletActionBar" parent="@android:style/Widget.DeviceDefault.ActionBar.Solid">

Find

[HTML]<style name="TranslucentStyle" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar">

Replace To

<style name="TranslucentStyle" parent="@android:style/Theme.DeviceDefault.NoActionBar">

SomcDlna - Full App Theming

Open AndroidManiFest.xml, Do the following :

Find

<activity android:configChanges="keyboardHidden|orientation|screenSize" android:enabled="false" android:excludeFromRecents="true" android:launchMode="singleTop" android:name="com.sonyericsson.dlna.cta.CtaActivity" android:screenOrientation="user" android:theme="@android:style/Theme.DeviceDefault.Light.Dialog"/>

Replace To

<activity android:configChanges="keyboardHidden|orientation|screenSize" android:enabled="false" android:excludeFromRecents="true" android:launchMode="singleTop" android:name="com.sonyericsson.dlna.cta.CtaActivity" android:screenOrientation="user" android:theme="@android:style/Theme.DeviceDefault.Dialog"/>

Navigate to res/values/styles.xml, Do the following :

Find

<style name="DlnaTheme" parent="@android:style/Theme.DeviceDefault.Light">

Replace To

<style name="DlnaTheme" parent="@android:style/Theme.DeviceDefault">

Find

<style name="DlnaTheme.NoActionBar.TranslucentDecor" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar.TranslucentDecor">

Replace To

<style name="DlnaTheme.NoActionBar.TranslucentDecor" parent="@android:style/Theme.DeviceDefault.NoActionBar.TranslucentDecor">

SomcMirrorLink - Full App Theming :

Navigate to res/values/styles.xml, Do the following :

Find

<style name="MirrorLinkManualSwitchTheme" parent="@android:style/Theme.DeviceDefault.Light.Dialog">

Replace To

<style name="MirrorLinkManualSwitchTheme" parent="@android:style/Theme.DeviceDefault.Dialog">

Find

<style name="MirrorLinkManualSwitchDialogTheme" parent="@android:style/Theme.DeviceDefault.Light.Dialog">

Replace To

<style name="MirrorLinkManualSwitchDialogTheme" parent="@android:style/Theme.DeviceDefault.Dialog">

Find

<style name="MirrorLinkSettingsTheme" parent="@android:style/Theme.DeviceDefault.Light.DarkActionBar">

Replace To

<style name="MirrorLinkSettingsTheme" parent="@android:style/Theme.DeviceDefault">

SomcPlayAnywhere - Full App Theming

Navigate to res/values/colors.xml, Make the valeus like this :

<color name="setting_background_color">#303030</color>

Navigate to res/values/styles.xml, Do the following :

Find

<style name="PlayAnywhereTheme" parent="@android:style/Theme.DeviceDefault.Light.Dialog">

Replace To

<style name="PlayAnywhereTheme" parent="@android:style/Theme.DeviceDefault.Dialog">

Find

<style name="ThrowSettingTheme_isNotHomeAsUpEnabled" parent="@android:style/Theme.DeviceDefault.Light.DarkActionBar">

Replace To

<style name="ThrowSettingTheme_isNotHomeAsUpEnabled" parent="@android:style/Theme.DeviceDefault">

Find

<style name="ThrowSettingTheme" parent="@android:style/Theme.DeviceDefault.Light.DarkActionBar">

Replace To

<style name="ThrowSettingTheme" parent="@android:style/Theme.DeviceDefault">

Find

<style name="DeviceCardProgressTheme" parent="@android:style/Theme.DeviceDefault.Light">

Replace To

<style name="DeviceCardProgressTheme" parent="@android:style/Theme.DeviceDefault">

Find

<style name="DeviceCardProgressDialogTheme" parent="@android:style/Theme.DeviceDefault.Light.Dialog">

Replace To

<style name="DeviceCardProgressDialogTheme" parent="@android:style/Theme.DeviceDefault.Dialog">

Find

<style name="GuidancesTheme" parent="@android:style/Theme.DeviceDefault.Light.Dialog">

Replace To

<style name="GuidancesTheme" parent="@android:style/Theme.DeviceDefault.Dialog">

Find

<style name="DeviceCardAlreadyDialogTheme" parent="@android:style/Theme.DeviceDefault.Light.Dialog">

Replace To

<style name="DeviceCardAlreadyDialogTheme" parent="@android:style/Theme.DeviceDefault.Dialog">

Find

<style name="Translucent" parent="@android:style/Theme.Holo.Light">

Replace To

<style name="Translucent" parent="@android:style/Theme.Holo">

Find

<style name="CtaDialogTheme" parent="@android:style/Theme.DeviceDefault.Light.Dialog">

Replace To

<style name="CtaDialogTheme" parent="@android:style/Theme.DeviceDefault.Dialog">

SomcSeamlessTethering - Full App Theming :

Navigate to res/values/style.xml, Do the following :

Find

<style name="Dialog" parent="@android:style/Theme.DeviceDefault.Light.Dialog">
</style>

Replace To

<style name="Dialog" parent="@android:style/Theme.DeviceDefault.Dialog">
</style>

Find

<style name="DialogLegacy" parent="@android:style/Theme.DeviceDefault.Light.Dialog">
</style>

Replace To

<style name="DialogLegacy" parent="@android:style/Theme.DeviceDefault.Dialog">
</style>

Find

<style name="Default" parent="@android:style/Theme.DeviceDefault.Light">
</style>

Replace To

<style name="Default" parent="@android:style/Theme.DeviceDefault">
</style>

SomcWifiDisplay - Full App Theming

Navigate to res/values/style.xml, Do the following :

Find

<style name="App" parent="@android:style/Theme.DeviceDefault.Light.DarkActionBar">

Replace To

<style name="App" parent="@android:style/Theme.DeviceDefault">

Find

<style name="Black" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar.Fullscreen">

Replace To

<style name="Black" parent="@android:style/Theme.DeviceDefault.NoActionBar.Fullscreen">

Find

<style name="Transparent" parent="@android:style/Theme.DeviceDefault.Light.Dialog">

Replace To

<style name="Transparent" parent="@android:style/Theme.DeviceDefault.Dialog">

Find

<style name="NotificationButton" parent="@android:style/Widget.Material.Light.Button.Borderless.Small" />

Replace To

<style name="NotificationButton" parent="@android:style/Widget.Material.Button.Borderless.Small" />