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Support RTL layout in custom input style settings 

Bug: 17322353
Change-Id: I3b211ab8729121271563a8a243558a58ee7847c2
main
Tadashi G. Takaoka 2014-08-29 17:29:17 +09:00
parent 4e28a6a844
commit f507d1febb
3 changed files with 94 additions and 40 deletions
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89
java/res/layout/additional_subtype_dialog.xml
View File

@ -18,39 +18,60 @@
*/
-->
<GridLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:columnCount="2"
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="8dip"
android:layout_marginRight="8dip"
android:padding="8dip">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="left|center_vertical"
style="?android:attr/textAppearanceSmall"
android:text="@string/subtype_locale" />
<Spinner
android:id="@+id/subtype_locale_spinner"
android:layout_width="wrap_content"
android:layout_marginLeft="8dip"
android:layout_marginBottom="8dip"
android:layout_marginTop="8dip"
android:layout_gravity="fill_horizontal|center_vertical"
android:prompt="@string/subtype_locale" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="left|center_vertical"
style="?android:attr/textAppearanceSmall"
android:text="@string/keyboard_layout_set" />
<Spinner
android:id="@+id/keyboard_layout_set_spinner"
android:layout_width="wrap_content"
android:layout_marginLeft="8dip"
android:layout_marginBottom="8dip"
android:layout_marginTop="8dip"
android:layout_gravity="fill_horizontal|center_vertical"
android:prompt="@string/keyboard_layout_set" />
</GridLayout>
android:padding="16dip">
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:layout_width="0dp"
android:layout_weight="30"
android:layout_height="wrap_content"
android:layout_gravity="start|center_vertical"
android:gravity="start|left"
android:textAlignment="viewStart"
style="?android:attr/textAppearanceSmall"
android:text="@string/subtype_locale" />
<Spinner
android:id="@+id/subtype_locale_spinner"
android:spinnerMode="dialog"
android:layout_width="0dp"
android:layout_weight="70"
android:layout_height="wrap_content"
android:layout_marginLeft="8dip"
android:layout_marginBottom="8dip"
android:layout_marginTop="8dip"
android:layout_gravity="fill_horizontal|center_vertical"
android:gravity="start|left"
android:prompt="@string/subtype_locale" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:layout_width="0dp"
android:layout_weight="30"
android:layout_height="wrap_content"
android:layout_gravity="start|center_vertical"
android:textAlignment="viewStart"
style="?android:attr/textAppearanceSmall"
android:text="@string/keyboard_layout_set" />
<Spinner
android:id="@+id/keyboard_layout_set_spinner"
android:spinnerMode="dialog"
android:layout_width="0dp"
android:layout_weight="70"
android:layout_height="wrap_content"
android:layout_marginLeft="8dip"
android:layout_marginBottom="8dip"
android:layout_marginTop="8dip"
android:layout_gravity="fill_horizontal|center_vertical"
android:gravity="start|left"
android:prompt="@string/keyboard_layout_set" />
</LinearLayout>
</LinearLayout>

19
java/src/com/android/inputmethod/compat/ViewCompatUtils.java
View File

@ -34,6 +34,9 @@ public final class ViewCompatUtils {
// Note that View.setElevation(float) has been introduced in API level 21.
private static final Method METHOD_setElevation = CompatUtils.getMethod(
View.class, "setElevation", float.class);
// Note that View.setTextAlignment(int) has been introduced in API level 17.
private static final Method METHOD_setTextAlignment = CompatUtils.getMethod(
View.class, "setTextAlignment", int.class);
private ViewCompatUtils() {
// This utility class is not publicly instantiable.
@ -56,9 +59,19 @@ public final class ViewCompatUtils {
}
public static void setElevation(final View view, final float elevation) {
if (METHOD_setElevation == null) {
return;
}
CompatUtils.invoke(view, null, METHOD_setElevation, elevation);
}
// These TEXT_ALIGNMENT_* constants have been introduced in API 17.
public static final int TEXT_ALIGNMENT_INHERIT = 0;
public static final int TEXT_ALIGNMENT_GRAVITY = 1;
public static final int TEXT_ALIGNMENT_TEXT_START = 2;
public static final int TEXT_ALIGNMENT_TEXT_END = 3;
public static final int TEXT_ALIGNMENT_CENTER = 4;
public static final int TEXT_ALIGNMENT_VIEW_START = 5;
public static final int TEXT_ALIGNMENT_VIEW_END = 6;
public static void setTextAlignment(final View view, final int textAlignment) {
CompatUtils.invoke(view, null, METHOD_setTextAlignment, textAlignment);
}
}

26
java/src/com/android/inputmethod/latin/settings/CustomInputStyleSettingsFragment.java
View File

@ -30,11 +30,14 @@ import android.preference.DialogPreference;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceGroup;
import android.support.v4.view.ViewCompat;
import android.util.Pair;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodInfo;
import android.view.inputmethod.InputMethodSubtype;
import android.widget.ArrayAdapter;
@ -43,6 +46,7 @@ import android.widget.SpinnerAdapter;
import android.widget.Toast;
import com.android.inputmethod.compat.InputMethodSubtypeCompatUtils;
import com.android.inputmethod.compat.ViewCompatUtils;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.RichInputMethodManager;
import com.android.inputmethod.latin.utils.AdditionalSubtypeUtils;
@ -233,6 +237,12 @@ public final class CustomInputStyleSettingsFragment extends PreferenceFragment {
mSubtypeLocaleSpinner.setAdapter(mProxy.getSubtypeLocaleAdapter());
mKeyboardLayoutSetSpinner = (Spinner) v.findViewById(R.id.keyboard_layout_set_spinner);
mKeyboardLayoutSetSpinner.setAdapter(mProxy.getKeyboardLayoutSetAdapter());
// All keyboard layout names are in the Latin script and thus left to right. That means
// the view would align them to the left even if the system locale is RTL, but that
// would look strange. To fix this, we align them to the view's start, which will be
// natural for any direction.
ViewCompatUtils.setTextAlignment(
mKeyboardLayoutSetSpinner, ViewCompatUtils.TEXT_ALIGNMENT_VIEW_START);
return v;
}
@ -397,6 +407,16 @@ public final class CustomInputStyleSettingsFragment extends PreferenceFragment {
setHasOptionsMenu(true);
}
@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
final Bundle savedInstanceState) {
final View view = super.onCreateView(inflater, container, savedInstanceState);
// For correct display in RTL locales, we need to set the layout direction of the
// fragment's top view.
ViewCompat.setLayoutDirection(view, ViewCompat.LAYOUT_DIRECTION_LOCALE);
return view;
}
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
final Context context = getActivity();
@ -422,7 +442,7 @@ public final class CustomInputStyleSettingsFragment extends PreferenceFragment {
KEY_SUBTYPE_FOR_SUBTYPE_ENABLER);
final SubtypePreference subtypePref = (SubtypePreference)findPreference(
mSubtypePreferenceKeyForSubtypeEnabler);
mSubtypeEnablerNotificationDialog = createDialog(subtypePref);
mSubtypeEnablerNotificationDialog = createDialog();
mSubtypeEnablerNotificationDialog.show();
}
}
@ -476,7 +496,7 @@ public final class CustomInputStyleSettingsFragment extends PreferenceFragment {
if (findDuplicatedSubtype(subtype) == null) {
mRichImm.setAdditionalInputMethodSubtypes(getSubtypes());
mSubtypePreferenceKeyForSubtypeEnabler = subtypePref.getKey();
mSubtypeEnablerNotificationDialog = createDialog(subtypePref);
mSubtypeEnablerNotificationDialog = createDialog();
mSubtypeEnablerNotificationDialog.show();
return;
}
@ -513,7 +533,7 @@ public final class CustomInputStyleSettingsFragment extends PreferenceFragment {
localeString, keyboardLayoutSetName);
}
private AlertDialog createDialog(final SubtypePreference subtypePref) {
private AlertDialog createDialog() {
final AlertDialog.Builder builder = new AlertDialog.Builder(
DialogUtils.getPlatformDialogThemeContext(getActivity()));
builder.setTitle(R.string.custom_input_styles_title)