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Developer option to force RTL layout direction

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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
This commit is contained in:
Amith Yamasani
2013-08-07 20:14:44 -07:00
parent b14698ee60
commit df1eda8ef7
3 changed files with 30 additions and 0 deletions
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5
res/values/strings.xml
View File

@@ -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] -->

5
res/xml/development_prefs.xml
View File

@@ -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"

20
src/com/android/settings/DevelopmentSettings.java
View File

@@ -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;