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Accomodating multiple preview screen with ViewPager for the users to

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swipe across, along with some UI refinements.

Change-Id: I9487bcce88cdab490a4b6baa752224acddc5be52
This commit is contained in:
Noah Wang
2016-01-12 09:00:57 -08:00
parent 4ccc2c3537
commit 49fabb9b47
13 changed files with 317 additions and 132 deletions
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25
res/drawable/ic_font_size_24dp.xml Normal file
View File

@@ -0,0 +1,25 @@
<!--
~ Copyright (C) 2015 The Android Open Source Project
~
~ Licensed under the Apache License, Version 2.0 (the "License");
~ you may not use this file except in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing, software
~ distributed under the License is distributed on an "AS IS" BASIS,
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~ See the License for the specific language governing permissions and
~ limitations under the License
-->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24"
android:tint="?android:attr/colorAccent">
<path
android:fillColor="@android:color/white"
android:pathData="M5 17v2h14v-2H5zm4.5-4.2h5l.9 2.2h2.1L12.75 4h-1.5L6.5 15h2.1l.9-2.2zM12 5.98L13.87 11h-3.74L12 5.98z"/>
</vector>

25
res/drawable/ic_font_size_36dp.xml Normal file
View File

@@ -0,0 +1,25 @@
<!--
~ Copyright (C) 2015 The Android Open Source Project
~
~ Licensed under the Apache License, Version 2.0 (the "License");
~ you may not use this file except in compliance with the License.
~ You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing, software
~ distributed under the License is distributed on an "AS IS" BASIS,
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~ See the License for the specific language governing permissions and
~ limitations under the License
-->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="36dp"
android:height="36dp"
android:viewportWidth="24"
android:viewportHeight="24"
android:tint="?android:attr/colorAccent">
<path
android:fillColor="@android:color/white"
android:pathData="M5 17v2h14v-2H5zm4.5-4.2h5l.9 2.2h2.1L12.75 4h-1.5L6.5 15h2.1l.9-2.2zM12 5.98L13.87 11h-3.74L12 5.98z"/>
</vector>

48
res/layout/font_size_activity.xml
View File

@@ -15,8 +15,9 @@
-->
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<LinearLayout
android:orientation="vertical"
@@ -26,33 +27,27 @@
android:paddingStart="?android:attr/listPreferredItemPaddingStart"
android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
<FrameLayout
<android.support.v4.view.ViewPager
android:id="@+id/preview_pager"
android:layout_width="match_parent"
android:layout_height="@dimen/font_size_preview_height"
android:layout_weight="1"
android:background="?android:attr/colorBackgroundFloating"
android:elevation="2dp">
android:elevation="2dp" />
<view class="com.android.settings.TouchBlockingFrameLayout"
android:id="@+id/preview_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<TextView
android:id="@+id/current_label"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|bottom"
android:padding="8dp"
android:theme="@android:style/Theme.Material"
android:background="?android:attr/colorBackgroundFloating"
android:textAppearance="@android:style/TextAppearance.Material.Caption"
android:textAllCaps="true"
android:elevation="2dp" />
</FrameLayout>
<TextView
android:id="@+id/current_label"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:padding="8dp"
android:textAppearance="@android:style/TextAppearance.Material.Widget.TextView"
android:elevation="2dp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:paddingTop="8dp">
<ImageView
@@ -60,7 +55,7 @@
android:layout_width="48dp"
android:layout_height="48dp"
android:background="?android:attr/selectableItemBackgroundBorderless"
android:src="@drawable/ic_remove_24dp"
android:src="@drawable/ic_font_size_24dp"
android:tint="?android:attr/colorControlNormal"
android:tintMode="src_in"
android:scaleType="center"
@@ -79,12 +74,19 @@
android:layout_width="48dp"
android:layout_height="48dp"
android:background="?android:attr/selectableItemBackgroundBorderless"
android:src="@drawable/ic_add_24dp"
android:src="@drawable/ic_font_size_36dp"
android:tint="?android:attr/colorControlNormal"
android:tintMode="src_in"
android:scaleType="center"
android:focusable="true"
android:contentDescription="@string/font_size_make_larger_desc" />
</LinearLayout>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/font_size_summary"
android:layout_marginBottom="16dp"
android:textAppearance="@android:style/TextAppearance.Material.Subhead" />
</LinearLayout>
</ScrollView>

20
res/layout/preview_frame_container.xml Normal file
View File

@@ -0,0 +1,20 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2016 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<view xmlns:android="http://schemas.android.com/apk/res/android"
class="com.android.settings.TouchBlockingFrameLayout"
android:layout_width="match_parent"
android:layout_height="match_parent" />

49
res/layout/screen_zoom_activity.xml
View File

@@ -16,7 +16,8 @@
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
android:layout_height="match_parent"
android:fillViewport="true">
<LinearLayout
android:orientation="vertical"
@@ -26,40 +27,27 @@
android:paddingStart="?android:attr/listPreferredItemPaddingStart"
android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/screen_zoom_summary"
android:layout_marginBottom="16dp"
android:textAppearance="@android:style/TextAppearance.Material.Subhead" />
<FrameLayout
<android.support.v4.view.ViewPager
android:id="@+id/preview_pager"
android:layout_width="match_parent"
android:layout_height="@dimen/screen_zoom_preview_height"
android:layout_weight="1"
android:background="?android:attr/colorBackgroundFloating"
android:elevation="2dp">
android:elevation="2dp" />
<view class="com.android.settings.TouchBlockingFrameLayout"
android:id="@+id/preview_frame"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<TextView
android:id="@+id/current_label"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal|bottom"
android:padding="8dp"
android:theme="@android:style/Theme.Material"
android:background="?android:attr/colorBackgroundFloating"
android:textAppearance="@android:style/TextAppearance.Material.Caption"
android:textAllCaps="true"
android:elevation="2dp" />
</FrameLayout>
<TextView
android:id="@+id/current_label"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:padding="8dp"
android:textAppearance="@android:style/TextAppearance.Material.Widget.TextView"
android:elevation="2dp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:paddingTop="8dp">
<ImageView
@@ -93,5 +81,12 @@
android:focusable="true"
android:contentDescription="@string/screen_zoom_make_larger_desc" />
</LinearLayout>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/screen_zoom_summary"
android:layout_marginBottom="16dp"
android:textAppearance="@android:style/TextAppearance.Material.Subhead" />
</LinearLayout>
</ScrollView>

8
res/values/strings.xml
View File

@@ -147,6 +147,9 @@
<!-- Used for diagnostic info screens, precise translation isn't needed. Formats the SD card in the phone, meaning it will be erased and reformatted -->
<string name="sdcard_format" product="default">Erase SD card</string>
<!-- Summary of font size setting screen. [CHAR LIMIT=NONE] -->
<string name="font_size_summary">Make text on screen smaller or larger.</string>
<!-- choice for the font size spinner -->
<string name="small_font">Small</string>
<!-- choice for the font size spinner -->
@@ -6675,9 +6678,8 @@
<string name="screen_zoom_title">Screen zoom</string>
<!-- Keywords for setting that controls screen zoom (e.g. how large interface elements appear). [CHAR LIMIT=NONE] -->
<string name="screen_zoom_keywords">display density, screen zoom, scale, scaling</string>
<string name="screen_zoom_summary">Choose how zoomed you want the screen using the slider below the preview image.</string>
<!-- Summary of screen zoom setting screen. [CHAR LIMIT=NONE] -->
<string name="screen_zoom_summary">Make all items on screen smaller or larger. Some apps on your home screen may change position after changing this setting.</string>
<!-- Title of the screen zoom preview activity. -->
<string name="screen_zoom_preview_title">Preview</string>
<!-- Description for the button that makes interface elements smaller. [CHAR_LIMIT=NONE] -->

6
res/xml/accessibility_settings.xml
View File

@@ -44,9 +44,9 @@
android:title="@string/accessibility_screen_magnification_title"/>
<PreferenceScreen
android:fragment="com.android.settings.accessibility.ToggleFontSizePreferenceFragment"
android:key="font_size_preference_screen"
android:title="@string/title_font_size"/>
android:fragment="com.android.settings.accessibility.ToggleFontSizePreferenceFragment"
android:key="font_size_preference_screen"
android:title="@string/title_font_size"/>
<PreferenceScreen
android:fragment="com.android.settings.accessibility.ToggleAutoclickPreferenceFragment"

131
src/com/android/settings/PreviewPagerAdapter.java Normal file
View File

@@ -0,0 +1,131 @@
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings;
import android.content.Context;
import android.content.res.Configuration;
import android.support.v4.view.PagerAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.widget.FrameLayout;
/**
* A PagerAdapter used by PreviewSeekBarPreferenceFragment that for showing multiple preview screen
* regarding a single setting and allowing the user to swipe across them.
*/
public class PreviewPagerAdapter extends PagerAdapter {
private TouchBlockingFrameLayout[] mPreviewFrames;
/** Duration to use when cross-fading between previews. */
private static final long CROSS_FADE_DURATION_MS = 400;
/** Interpolator to use when cross-fading between previews. */
private static final Interpolator FADE_IN_INTERPOLATOR = new DecelerateInterpolator();
/** Interpolator to use when cross-fading between previews. */
private static final Interpolator FADE_OUT_INTERPOLATOR = new AccelerateInterpolator();
public PreviewPagerAdapter(Context context, int[] previewSampleResIds,
Configuration[] configurations) {
mPreviewFrames = new TouchBlockingFrameLayout[previewSampleResIds.length];
for (int i = 0; i < previewSampleResIds.length; ++i) {
mPreviewFrames[i] = (TouchBlockingFrameLayout) LayoutInflater.from(context)
.inflate(R.layout.preview_frame_container, null);
for (Configuration configuration : configurations) {
// Create a new configuration for the specified value. It won't
// have any theme set, so manually apply the current theme.
final Context configContext = context.createConfigurationContext(configuration);
configContext.setTheme(context.getThemeResId());
final LayoutInflater configInflater = LayoutInflater.from(configContext);
final View sampleView = configInflater.inflate(previewSampleResIds[i],
mPreviewFrames[i], false);
sampleView.setAlpha(0);
sampleView.setVisibility(View.INVISIBLE);
mPreviewFrames[i].addView(sampleView);
}
}
}
@Override
public void destroyItem (ViewGroup container, int position, Object object) {
container.removeView((View) object);
}
@Override
public int getCount() {
return mPreviewFrames.length;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
container.addView(mPreviewFrames[position]);
return mPreviewFrames[position];
}
@Override
public boolean isViewFromObject(View view, Object object) {
return (view == object);
}
void setPreviewLayer(int newIndex, int currentIndex, int currentItem, boolean animate) {
for (FrameLayout previewFrame : mPreviewFrames) {
if (currentIndex >= 0) {
final View lastLayer = previewFrame.getChildAt(currentIndex);
if (animate && previewFrame == mPreviewFrames[currentItem]) {
lastLayer.animate()
.alpha(0)
.setInterpolator(FADE_OUT_INTERPOLATOR)
.setDuration(CROSS_FADE_DURATION_MS)
.withEndAction(new Runnable() {
@Override
public void run() {
lastLayer.setVisibility(View.INVISIBLE);
}
});
} else {
lastLayer.setAlpha(0);
lastLayer.setVisibility(View.INVISIBLE);
}
}
final View nextLayer = previewFrame.getChildAt(newIndex);
if (animate && previewFrame == mPreviewFrames[currentItem]) {
nextLayer.animate()
.alpha(1)
.setInterpolator(FADE_IN_INTERPOLATOR)
.setDuration(CROSS_FADE_DURATION_MS)
.withStartAction(new Runnable() {
@Override
public void run() {
nextLayer.setVisibility(View.VISIBLE);
}
});
} else {
nextLayer.setVisibility(View.VISIBLE);
nextLayer.setAlpha(1);
}
}
}
}

90
src/com/android/settings/PreviewSeekBarPreferenceFragment.java
View File

@@ -16,20 +16,14 @@
package com.android.settings;
import android.annotation.Nullable;
import android.content.Context;
import android.content.res.Configuration;
import android.os.Bundle;
import android.util.AttributeSet;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.widget.FrameLayout;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
@@ -53,18 +47,11 @@ public abstract class PreviewSeekBarPreferenceFragment extends SettingsPreferenc
protected int mActivityLayoutResId;
/** Resource id of the layout that defines the contents instide preview screen. */
protected int mPreviewSampleResId;
protected int[] mPreviewSampleResIds;
/** Duration to use when cross-fading between previews. */
private static final long CROSS_FADE_DURATION_MS = 400;
private ViewPager mPreviewPager;
private PreviewPagerAdapter mPreviewPagerAdapter;
/** Interpolator to use when cross-fading between previews. */
private static final Interpolator FADE_IN_INTERPOLATOR = new DecelerateInterpolator();
/** Interpolator to use when cross-fading between previews. */
private static final Interpolator FADE_OUT_INTERPOLATOR = new AccelerateInterpolator();
private ViewGroup mPreviewFrame;
private TextView mLabel;
private View mLarger;
private View mSmaller;
@@ -96,10 +83,12 @@ public abstract class PreviewSeekBarPreferenceFragment extends SettingsPreferenc
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {}
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {}
public void onStopTrackingTouch(SeekBar seekBar) {
}
});
mSmaller = content.findViewById(R.id.smaller);
@@ -130,29 +119,19 @@ public abstract class PreviewSeekBarPreferenceFragment extends SettingsPreferenc
seekBar.setEnabled(false);
}
mPreviewFrame = (FrameLayout) content.findViewById(R.id.preview_frame);
// Populate the sample layouts.
final Context context = getContext();
final Configuration origConfig = context.getResources().getConfiguration();
Configuration[] configurations = new Configuration[mEntries.length];
for (int i = 0; i < mEntries.length; ++i) {
final Configuration config = createConfig(origConfig, i);
// Create a new configuration for the specified value. It won't
// have any theme set, so manually apply the current theme.
final Context configContext = context.createConfigurationContext(config);
configContext.setTheme(context.getThemeResId());
final LayoutInflater configInflater = LayoutInflater.from(configContext);
final View sampleView = configInflater.inflate(mPreviewSampleResId, mPreviewFrame, false);
sampleView.setAlpha(0);
sampleView.setVisibility(View.INVISIBLE);
mPreviewFrame.addView(sampleView);
configurations[i] = createConfig(origConfig, i);
}
setPreviewLayer(mInitialIndex, false);
mPreviewPagerAdapter = new PreviewPagerAdapter(context, mPreviewSampleResIds,
configurations);
mPreviewPager = (ViewPager) content.findViewById(R.id.preview_pager);
mPreviewPager.setAdapter(mPreviewPagerAdapter);
setPreviewLayer(mInitialIndex, false);
return root;
}
@@ -172,46 +151,11 @@ public abstract class PreviewSeekBarPreferenceFragment extends SettingsPreferenc
private void setPreviewLayer(int index, boolean animate) {
mLabel.setText(mEntries[index]);
if (mCurrentIndex >= 0) {
final View lastLayer = mPreviewFrame.getChildAt(mCurrentIndex);
if (animate) {
lastLayer.animate()
.alpha(0)
.setInterpolator(FADE_OUT_INTERPOLATOR)
.setDuration(CROSS_FADE_DURATION_MS)
.withEndAction(new Runnable() {
@Override
public void run() {
lastLayer.setVisibility(View.INVISIBLE);
}
});
} else {
lastLayer.setAlpha(0);
lastLayer.setVisibility(View.INVISIBLE);
}
}
final View nextLayer = mPreviewFrame.getChildAt(index);
if (animate) {
nextLayer.animate()
.alpha(1)
.setInterpolator(FADE_IN_INTERPOLATOR)
.setDuration(CROSS_FADE_DURATION_MS)
.withStartAction(new Runnable() {
@Override
public void run() {
nextLayer.setVisibility(View.VISIBLE);
}
});
} else {
nextLayer.setVisibility(View.VISIBLE);
nextLayer.setAlpha(1);
}
mSmaller.setEnabled(index > 0);
mLarger.setEnabled(index < mEntries.length - 1);
mPreviewPagerAdapter.setPreviewLayer(index, mCurrentIndex, mPreviewPager.getCurrentItem(),
animate);
mCurrentIndex = index;
}

19
src/com/android/settings/accessibility/AccessibilitySettings.java
View File

@@ -24,6 +24,7 @@ import android.content.Context;
import android.content.pm.PackageManager;
import android.content.pm.ServiceInfo;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
@@ -95,6 +96,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
"captioning_preference_screen";
private static final String DISPLAY_MAGNIFICATION_PREFERENCE_SCREEN =
"screen_magnification_preference_screen";
private static final String FONT_SIZE_PREFERENCE_SCREEN =
"font_size_preference_screen";
private static final String AUTOCLICK_PREFERENCE_SCREEN =
"autoclick_preference_screen";
private static final String DISPLAY_DALTONIZER_PREFERENCE_SCREEN =
@@ -188,6 +191,7 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
private Preference mNoServicesMessagePreference;
private PreferenceScreen mCaptioningPreferenceScreen;
private PreferenceScreen mDisplayMagnificationPreferenceScreen;
private PreferenceScreen mFontSizePreferenceScreen;
private PreferenceScreen mAutoclickPreferenceScreen;
private PreferenceScreen mGlobalGesturePreferenceScreen;
private PreferenceScreen mDisplayDaltonizerPreferenceScreen;
@@ -419,6 +423,10 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
mDisplayMagnificationPreferenceScreen = (PreferenceScreen) findPreference(
DISPLAY_MAGNIFICATION_PREFERENCE_SCREEN);
// Font size.
mFontSizePreferenceScreen = (PreferenceScreen) findPreference(
FONT_SIZE_PREFERENCE_SCREEN);
// Autoclick after pointer stops.
mAutoclickPreferenceScreen = (PreferenceScreen) findPreference(
AUTOCLICK_PREFERENCE_SCREEN);
@@ -600,6 +608,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
mDisplayDaltonizerPreferenceScreen);
updateFontSizeSummary(mFontSizePreferenceScreen);
updateAutoclickSummary(mAutoclickPreferenceScreen);
// Global gesture
@@ -634,6 +644,15 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
getResources(), delay));
}
private void updateFontSizeSummary(Preference pref) {
final Resources res = getContext().getResources();
final String[] entries = res.getStringArray(R.array.entries_font_size);
final String[] strEntryValues = res.getStringArray(R.array.entryvalues_font_size);
final int index = ToggleFontSizePreferenceFragment.floatToIndex(
res.getConfiguration().fontScale, strEntryValues);
pref.setSummary(entries[index]);
}
private void updateLockScreenRotationCheckbox() {
Context context = getActivity();
if (context != null) {

14
src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
View File

@@ -16,6 +16,7 @@
package com.android.settings.accessibility;
import android.content.res.Resources;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v7.preference.Preference;
@@ -35,12 +36,14 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
"screen_magnification_preference";
private static final String DISPLAY_DALTONIZER_PREFERENCE = "daltonizer_preference";
private static final String TALKBACK_PREFERENCE = "talkback_preference";
private static final String FONT_SIZE_PREFERENCE = "font_size_preference";
private static final String TALKBACK_NAME = "Talkback";
// Preference controls.
private Preference mDisplayMagnificationPreference;
private Preference mDisplayDaltonizerPreference;
private Preference mFontSizePreference;
private Preference mTalkbackPreference;
@Override
@@ -60,6 +63,7 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
mDisplayMagnificationPreference = findPreference(DISPLAY_MAGNIFICATION_PREFERENCE);
mDisplayDaltonizerPreference = findPreference(DISPLAY_DALTONIZER_PREFERENCE);
mFontSizePreference = findPreference(FONT_SIZE_PREFERENCE);
mTalkbackPreference = findPreference(TALKBACK_PREFERENCE);
mTalkbackPreference.setTitle(TALKBACK_NAME);
@@ -104,6 +108,7 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
mDisplayMagnificationPreference);
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
mDisplayDaltonizerPreference);
updateFontSizeSummary(mFontSizePreference);
}
private void updateFeatureSummary(String prefKey, Preference pref) {
@@ -111,4 +116,13 @@ public class AccessibilitySettingsForSetupWizard extends SettingsPreferenceFragm
pref.setSummary(enabled ? R.string.accessibility_feature_state_on
: R.string.accessibility_feature_state_off);
}
private void updateFontSizeSummary(Preference pref) {
final Resources res = getContext().getResources();
final String[] entries = res.getStringArray(R.array.entries_font_size);
final String[] strEntryValues = res.getStringArray(R.array.entryvalues_font_size);
final int index = ToggleFontSizePreferenceFragment.floatToIndex(
res.getConfiguration().fontScale, strEntryValues);
pref.setSummary(entries[index]);
}
}

8
src/com/android/settings/accessibility/ToggleFontSizePreferenceFragment.java
View File

@@ -41,7 +41,7 @@ public class ToggleFontSizePreferenceFragment extends PreviewSeekBarPreferenceFr
super.onCreate(savedInstanceState);
mActivityLayoutResId = R.layout.font_size_activity;
mPreviewSampleResId = R.layout.font_size_preview;
mPreviewSampleResIds = new int[]{R.layout.font_size_preview};
Resources res = getContext().getResources();
// Mark the appropriate item in the preferences list.
@@ -82,7 +82,11 @@ public class ToggleFontSizePreferenceFragment extends PreviewSeekBarPreferenceFr
return InstrumentedFragment.ACCESSIBILITY_FONT_SIZE;
}
private int floatToIndex(float val, String[] indices) {
/**
* Utility function that returns the index in a string array with which the represented value is
* the closest to a given float value.
*/
static int floatToIndex(float val, String[] indices) {
float lastVal = Float.parseFloat(indices[0]);
for (int i=1; i<indices.length; i++) {
float thisVal = Float.parseFloat(indices[i]);

6
src/com/android/settings/display/ScreenZoomSettings.java
View File

@@ -46,7 +46,11 @@ public class ScreenZoomSettings extends PreviewSeekBarPreferenceFragment impleme
super.onCreate(savedInstanceState);
mActivityLayoutResId = R.layout.screen_zoom_activity;
mPreviewSampleResId = R.layout.screen_zoom_preview;
// This should be replaced once the final preview sample screen is in place.
mPreviewSampleResIds = new int[]{R.layout.screen_zoom_preview, R.layout.screen_zoom_preview,
R.layout.screen_zoom_preview};
final DisplayDensityUtils density = new DisplayDensityUtils(getContext());
final int initialIndex = density.getCurrentIndex();