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The dialog should persist after rotation.

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1. Use DialogFragment
2. Override onSaveInstanceState
3. Refresh the UI after key remapping

Demo: https://screencast.googleplex.com/cast/NjMzMzcxNjc2Mzc3MDg4MHxlMjM0M2FiMi0zOA

Bug: 277148566
Test: manual
Change-Id: I0dc6678bfa45a4f84f38bf810433dd1e4432ba4a
This commit is contained in:
danielwbhuang
2023-04-11 16:27:54 +08:00
committed by Daniel Huang
parent 3f16621b86
commit 94d5d00a1a
4 changed files with 83 additions and 123 deletions
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83
src/com/android/settings/inputmethod/ModifierKeysPickerDialogFragment.java
View File

@@ -18,6 +18,7 @@ package com.android.settings.inputmethod;
import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
@@ -52,11 +53,13 @@ import java.util.Map;
public class ModifierKeysPickerDialogFragment extends DialogFragment {
static final String DEFAULT_KEY = "default_key";
static final String SELECTION_KEY = "delection_key";
private Preference mPreference;
private String mKeyDefaultName;
private String mKeyFocus;
private Context mContext;
private InputManager mIm;
private Activity mActivity;
private List<int[]> mRemappableKeyList =
new ArrayList<>(Arrays.asList(
@@ -67,36 +70,41 @@ public class ModifierKeysPickerDialogFragment extends DialogFragment {
private Map<String, int[]> mRemappableKeyMap = new HashMap<>();
public ModifierKeysPickerDialogFragment() {
}
public ModifierKeysPickerDialogFragment() {}
public ModifierKeysPickerDialogFragment(Preference preference, InputManager inputManager) {
mPreference = preference;
mKeyDefaultName = preference.getTitle().toString();
mKeyFocus = preference.getSummary().toString();
mIm = inputManager;
@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
savedInstanceState.putString(SELECTION_KEY, mKeyFocus);
super.onSaveInstanceState(savedInstanceState);
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
super.onCreateDialog(savedInstanceState);
mContext = getActivity();
mActivity = getActivity();
InputManager inputManager = mActivity.getSystemService(InputManager.class);
mKeyDefaultName = getArguments().getString(DEFAULT_KEY);
mKeyFocus = getArguments().getString(SELECTION_KEY);
if (savedInstanceState != null) {
mKeyFocus = savedInstanceState.getString(SELECTION_KEY);
}
List<String> modifierKeys = new ArrayList<String>(Arrays.asList(
mContext.getString(R.string.modifier_keys_caps_lock),
mContext.getString(R.string.modifier_keys_ctrl),
mContext.getString(R.string.modifier_keys_meta),
mContext.getString(R.string.modifier_keys_alt)));
mActivity.getString(R.string.modifier_keys_caps_lock),
mActivity.getString(R.string.modifier_keys_ctrl),
mActivity.getString(R.string.modifier_keys_meta),
mActivity.getString(R.string.modifier_keys_alt)));
for (int i = 0; i < modifierKeys.size(); i++) {
mRemappableKeyMap.put(modifierKeys.get(i), mRemappableKeyList.get(i));
}
View dialoglayout =
LayoutInflater.from(mContext).inflate(R.layout.modifier_key_picker_dialog, null);
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(mContext);
LayoutInflater.from(mActivity).inflate(R.layout.modifier_key_picker_dialog, null);
AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(mActivity);
dialogBuilder.setView(dialoglayout);
TextView summary = dialoglayout.findViewById(R.id.modifier_key_picker_summary);
CharSequence summaryText = mContext.getString(
CharSequence summaryText = mActivity.getString(
R.string.modifier_keys_picker_summary, mKeyDefaultName);
summary.setText(summaryText);
@@ -119,14 +127,14 @@ public class ModifierKeysPickerDialogFragment extends DialogFragment {
Spannable itemSummary;
if (selectedItem.equals(mKeyDefaultName)) {
itemSummary = new SpannableString(
mContext.getString(R.string.modifier_keys_default_summary));
mActivity.getString(R.string.modifier_keys_default_summary));
itemSummary.setSpan(
new ForegroundColorSpan(getColorOfTextColorSecondary()),
0, itemSummary.length(), 0);
// Set keys to default.
int[] keys = mRemappableKeyMap.get(mKeyDefaultName);
for (int i = 0; i < keys.length; i++) {
mIm.remapModifierKey(keys[i], keys[i]);
inputManager.remapModifierKey(keys[i], keys[i]);
}
} else {
itemSummary = new SpannableString(selectedItem);
@@ -136,29 +144,29 @@ public class ModifierKeysPickerDialogFragment extends DialogFragment {
int[] fromKeys = mRemappableKeyMap.get(mKeyDefaultName);
int[] toKeys = mRemappableKeyMap.get(selectedItem);
// CAPS_LOCK only one key, so always choose the left key for remapping.
if (isKeyCapsLock(mContext, mKeyDefaultName)) {
mIm.remapModifierKey(fromKeys[0], toKeys[0]);
if (isKeyCapsLock(mActivity, mKeyDefaultName)) {
inputManager.remapModifierKey(fromKeys[0], toKeys[0]);
}
// Remap KEY_LEFT and KEY_RIGHT to CAPS_LOCK.
if (!isKeyCapsLock(mContext, mKeyDefaultName)
&& isKeyCapsLock(mContext, selectedItem)) {
mIm.remapModifierKey(fromKeys[0], toKeys[0]);
mIm.remapModifierKey(fromKeys[1], toKeys[0]);
if (!isKeyCapsLock(mActivity, mKeyDefaultName)
&& isKeyCapsLock(mActivity, selectedItem)) {
inputManager.remapModifierKey(fromKeys[0], toKeys[0]);
inputManager.remapModifierKey(fromKeys[1], toKeys[0]);
}
// Auto handle left and right keys remapping.
if (!isKeyCapsLock(mContext, mKeyDefaultName)
&& !isKeyCapsLock(mContext, selectedItem)) {
mIm.remapModifierKey(fromKeys[0], toKeys[0]);
mIm.remapModifierKey(fromKeys[1], toKeys[1]);
if (!isKeyCapsLock(mActivity, mKeyDefaultName)
&& !isKeyCapsLock(mActivity, selectedItem)) {
inputManager.remapModifierKey(fromKeys[0], toKeys[0]);
inputManager.remapModifierKey(fromKeys[1], toKeys[1]);
}
}
mPreference.setSummary(itemSummary);
modifierKeyDialog.dismiss();
dismiss();
mActivity.recreate();
});
Button cancelButton = dialoglayout.findViewById(R.id.modifier_key_cancel_button);
cancelButton.setOnClickListener(v -> {
modifierKeyDialog.dismiss();
dismiss();
});
final Window window = modifierKeyDialog.getWindow();
@@ -207,16 +215,17 @@ public class ModifierKeysPickerDialogFragment extends DialogFragment {
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
if (view == null) {
view = LayoutInflater.from(mContext).inflate(R.layout.modifier_key_item, null);
view = LayoutInflater.from(mActivity).inflate(R.layout.modifier_key_item, null);
}
TextView textView = view.findViewById(R.id.modifier_key_text);
ImageView checkIcon = view.findViewById(R.id.modifier_key_check_icon);
textView.setText(mList.get(i));
if (mCurrentItem == i) {
mKeyFocus = mList.get(i);
textView.setTextColor(getColorOfColorAccentPrimaryVariant());
checkIcon.setImageAlpha(255);
view.setBackground(
mContext.getDrawable(R.drawable.modifier_key_lisetview_background));
mActivity.getDrawable(R.drawable.modifier_key_lisetview_background));
} else {
textView.setTextColor(getColorOfTextColorPrimary());
checkIcon.setImageAlpha(0);
@@ -235,15 +244,15 @@ public class ModifierKeysPickerDialogFragment extends DialogFragment {
}
private int getColorOfTextColorPrimary() {
return Utils.getColorAttrDefaultColor(mContext, android.R.attr.textColorPrimary);
return Utils.getColorAttrDefaultColor(mActivity, android.R.attr.textColorPrimary);
}
private int getColorOfTextColorSecondary() {
return Utils.getColorAttrDefaultColor(mContext, android.R.attr.textColorSecondary);
return Utils.getColorAttrDefaultColor(mActivity, android.R.attr.textColorSecondary);
}
private int getColorOfColorAccentPrimaryVariant() {
return Utils.getColorAttrDefaultColor(
mContext, com.android.internal.R.attr.materialColorPrimaryContainer);
mActivity, com.android.internal.R.attr.materialColorPrimaryContainer);
}
}