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Commit df1eda8e authored by Amith Yamasani's avatar Amith Yamasani
Browse files

Developer option to force RTL layout direction 

Sets a global setting and system property and forces a config change
when developer selects to force RTL screen layout direction.

Bug: 10244047
Change-Id: Id91e52be5e492515ff1eef3cbccfb08e944bfc92
parent b14698ee

res/values/strings.xml

+5 −0
Original line number Diff line number Diff line
@@ -4155,6 +4155,11 @@ 
    <!-- UI debug setting: show layout bounds information summary [CHAR LIMIT=50] -->

    <string name="debug_layout_summary">Show clip bounds, margins, etc.</string>



    <!-- UI debug setting: force right to left layout [CHAR LIMIT=25] -->

    <string name="force_rtl_layout_all_locales">Force RTL layout direction</string>

    <!-- UI debug setting: force right to left layout summary [CHAR LIMIT=50] -->

    <string name="force_rtl_layout_all_locales_summary">Force screen layout direction to RTL for all locales</string>



    <!-- UI debug setting: show how CPU is being used? [CHAR LIMIT=25] -->

    <string name="show_cpu_usage">Show CPU usage</string>

    <!-- UI debug setting: show cpu usage summary [CHAR LIMIT=50] -->

res/xml/development_prefs.xml

+5 −0
Original line number Diff line number Diff line
@@ -130,6 +130,11 @@ 
            android:title="@string/debug_layout"

            android:summary="@string/debug_layout_summary"/>



        <CheckBoxPreference

            android:key="force_rtl_layout_all_locales"

            android:title="@string/force_rtl_layout_all_locales"

            android:summary="@string/force_rtl_layout_all_locales_summary"/>



        <ListPreference

            android:key="window_animation_scale"

            android:title="@string/window_animation_scale_title"

src/com/android/settings/DevelopmentSettings.java

+20 −0
Original line number Diff line number Diff line
@@ -74,6 +74,7 @@ import java.io.File; 
import java.util.ArrayList;

import java.util.HashSet;

import java.util.List;

import java.util.Locale;



/*

 * Displays preferences for application developers.
@@ -128,6 +129,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment 
    private static final String SHOW_HW_LAYERS_UPDATES_KEY = "show_hw_layers_udpates";

    private static final String DEBUG_HW_OVERDRAW_KEY = "debug_hw_overdraw";

    private static final String DEBUG_LAYOUT_KEY = "debug_layout";

    private static final String FORCE_RTL_LAYOUT_KEY = "force_rtl_layout_all_locales";

    private static final String WINDOW_ANIMATION_SCALE_KEY = "window_animation_scale";

    private static final String TRANSITION_ANIMATION_SCALE_KEY = "transition_animation_scale";

    private static final String ANIMATOR_DURATION_SCALE_KEY = "animator_duration_scale";
@@ -189,6 +191,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment 
    private CheckBoxPreference mShowHwScreenUpdates;

    private CheckBoxPreference mShowHwLayersUpdates;

    private CheckBoxPreference mDebugLayout;

    private CheckBoxPreference mForceRtlLayout;

    private ListPreference mDebugHwOverdraw;

    private ListPreference mTrackFrameTime;

    private ListPreference mShowNonRectClip;
@@ -302,6 +305,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment 
        mShowHwScreenUpdates = findAndInitCheckboxPref(SHOW_HW_SCREEN_UPDATES_KEY);

        mShowHwLayersUpdates = findAndInitCheckboxPref(SHOW_HW_LAYERS_UPDATES_KEY);

        mDebugLayout = findAndInitCheckboxPref(DEBUG_LAYOUT_KEY);

        mForceRtlLayout = findAndInitCheckboxPref(FORCE_RTL_LAYOUT_KEY);

        mDebugHwOverdraw = addListPreference(DEBUG_HW_OVERDRAW_KEY);

        mWindowAnimationScale = addListPreference(WINDOW_ANIMATION_SCALE_KEY);

        mTransitionAnimationScale = addListPreference(TRANSITION_ANIMATION_SCALE_KEY);
@@ -522,6 +526,7 @@ public class DevelopmentSettings extends RestrictedSettingsFragment 
        updateExperimentalWebViewOptions();

        updateVerifyAppsOverUsbOptions();

        updateBugreportOptions();

        updateForceRtlOptions();

    }



    private void resetDangerousOptions() {
@@ -958,6 +963,19 @@ public class DevelopmentSettings extends RestrictedSettingsFragment 
        pokeSystemProperties();

    }



    private void updateForceRtlOptions() {

        updateCheckBox(mForceRtlLayout, Settings.Global.getInt(getActivity().getContentResolver(),

                Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0);

    }



    private void writeForceRtlOptions() {

        boolean value = mForceRtlLayout.isChecked();

        Settings.Global.putInt(getActivity().getContentResolver(),

                Settings.Global.DEVELOPMENT_FORCE_RTL, value ? 1 : 0);

        SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, value ? "1" : "0");

        LocalePicker.updateLocale(getActivity().getResources().getConfiguration().locale);

    }



    private void updateCpuUsageOptions() {

        updateCheckBox(mShowCpuUsage, Settings.Global.getInt(getActivity().getContentResolver(),

                Settings.Global.SHOW_PROCESSES, 0) != 0);
@@ -1263,6 +1281,8 @@ public class DevelopmentSettings extends RestrictedSettingsFragment 
            writeShowHwLayersUpdatesOptions();

        } else if (preference == mDebugLayout) {

            writeDebugLayoutOptions();

        } else if (preference == mForceRtlLayout) {

            writeForceRtlOptions();

        }



        return false;