Add CustomSeekBarPreference
Change-Id: I374ceb023a418f72778539d1c227ee987b3978a1
diff --git a/res/layout/preference_custom_seekbar.xml b/res/layout/preference_custom_seekbar.xml
new file mode 100644
index 0000000..f872b5e
--- /dev/null
+++ b/res/layout/preference_custom_seekbar.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014-2016 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.
+-->
+
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:minHeight="?android:attr/listPreferredItemHeight"
+ android:gravity="center_vertical"
+ android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+ android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+ android:clickable="false" >
+
+ <LinearLayout
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:orientation="vertical"
+ android:layout_marginTop="8dip"
+ android:layout_marginBottom="8dip">
+
+ <LinearLayout
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content">
+ <TextView android:id="@android:id/title"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_weight="1"
+ android:singleLine="true"
+ android:textAppearance="@android:style/TextAppearance.Material.Subhead"
+ android:textColor="?android:attr/textColorPrimary"
+ android:ellipsize="marquee"
+ android:fadingEdge="horizontal" />
+ <!-- Preference should place its actual preference widget here. -->
+ <LinearLayout android:id="@android:id/widget_frame"
+ android:layout_width="wrap_content"
+ android:layout_height="match_parent"
+ android:gravity="end|center_vertical"
+ android:paddingStart="16dp"
+ android:orientation="vertical" />
+ </LinearLayout>
+
+ <RelativeLayout
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="6dp">
+
+ <TextView android:id="@+id/seekBarPrefValue"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_centerInParent="true"
+ android:layout_alignParentRight="true"
+ android:textAppearance="@android:style/TextAppearance.Material.Body1"
+ android:textColor="?android:attr/textColorSecondary" />
+
+ <LinearLayout android:id="@+id/seekBarPrefBarContainer"
+ android:layout_centerInParent="true"
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ android:layout_toLeftOf="@id/seekBarPrefValue" />
+ </RelativeLayout>
+
+ </LinearLayout>
+
+</FrameLayout>
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
new file mode 100644
index 0000000..1c2863d
--- /dev/null
+++ b/res/values/attrs.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 The Dirty Unicorns 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.
+-->
+<resources>
+
+ <!-- Base attributes available to CustomSeekBarPreference. -->
+ <declare-styleable name="CustomSeekBarPreference">
+ <attr name="interval" format="integer" />
+ <attr name="min" format="integer" />
+ <attr name="max" format="integer" />
+ <attr name="units" format="string|reference" />
+ </declare-styleable>
+
+</resources>
diff --git a/src/com/bliss/support/preferences/CustomSeekBarPreference.java b/src/com/bliss/support/preferences/CustomSeekBarPreference.java
new file mode 100644
index 0000000..98d1a9e
--- /dev/null
+++ b/src/com/bliss/support/preferences/CustomSeekBarPreference.java
@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) 2016-2017 The Dirty Unicorns 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.bliss.support.preferences;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.ViewParent;
+import android.view.ViewGroup;
+import android.widget.SeekBar;
+import android.widget.TextView;
+import android.support.v7.preference.*;
+
+import com.bliss.support.R;
+
+public class CustomSeekBarPreference extends Preference implements SeekBar.OnSeekBarChangeListener {
+ private final String TAG = getClass().getName();
+ private static final String SETTINGS_NS = "http://schemas.android.com/apk/res/com.android.settings";
+ private static final String ANDROIDNS = "http://schemas.android.com/apk/res/android";
+ private static final int DEFAULT_VALUE = 50;
+
+ private int mMin = 0;
+ private int mInterval = 1;
+ private int mCurrentValue;
+ private int mDefaultValue = -1;
+ private int mMax = 100;
+ private String mUnits = "";
+ private SeekBar mSeekBar;
+ private TextView mTitle;
+ private TextView mStatusText;
+
+ public CustomSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr,
+ int defStyleRes) {
+ super(context, attrs, defStyleAttr, defStyleRes);
+ final TypedArray a = context.obtainStyledAttributes(
+ attrs, R.styleable.CustomSeekBarPreference);
+
+ mMax = attrs.getAttributeIntValue(SETTINGS_NS, "max", 100);
+ mMin = attrs.getAttributeIntValue(SETTINGS_NS, "min", 0);
+ mDefaultValue = attrs.getAttributeIntValue(ANDROIDNS, "defaultValue", -1);
+ mUnits = getAttributeStringValue(attrs, SETTINGS_NS, "units", "");
+
+ Integer id = a.getResourceId(R.styleable.CustomSeekBarPreference_units, 0);
+ if (id > 0) {
+ mUnits = context.getResources().getString(id);
+ }
+
+ try {
+ String newInterval = attrs.getAttributeValue(SETTINGS_NS, "interval");
+ if (newInterval != null)
+ mInterval = Integer.parseInt(newInterval);
+ } catch (Exception e) {
+ Log.e(TAG, "Invalid interval value", e);
+ }
+
+ a.recycle();
+ mSeekBar = new SeekBar(context, attrs);
+ mSeekBar.setMax(mMax - mMin);
+ mSeekBar.setOnSeekBarChangeListener(this);
+ setLayoutResource(R.layout.preference_custom_seekbar);
+ }
+
+ public CustomSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+ this(context, attrs, defStyleAttr, 0);
+ }
+
+ public CustomSeekBarPreference(Context context, AttributeSet attrs) {
+ this(context, attrs, 0);
+ }
+
+ public CustomSeekBarPreference(Context context) {
+ this(context, null);
+ }
+
+ private String getAttributeStringValue(AttributeSet attrs, String namespace, String name,
+ String defaultValue) {
+ String value = attrs.getAttributeValue(namespace, name);
+ if (value == null)
+ value = defaultValue;
+
+ return value;
+ }
+
+ @Override
+ public void onDependencyChanged(Preference dependency, boolean disableDependent) {
+ super.onDependencyChanged(dependency, disableDependent);
+ this.setShouldDisableView(true);
+ if (mTitle != null)
+ mTitle.setEnabled(!disableDependent);
+ if (mSeekBar != null)
+ mSeekBar.setEnabled(!disableDependent);
+ if (mStatusText != null)
+ mStatusText.setEnabled(!disableDependent);
+ }
+
+ @Override
+ public void onBindViewHolder(PreferenceViewHolder view) {
+ super.onBindViewHolder(view);
+ try
+ {
+ // move our seekbar to the new view we've been given
+ ViewParent oldContainer = mSeekBar.getParent();
+ ViewGroup newContainer = (ViewGroup) view.findViewById(R.id.seekBarPrefBarContainer);
+
+ if (oldContainer != newContainer) {
+ // remove the seekbar from the old view
+ if (oldContainer != null) {
+ ((ViewGroup) oldContainer).removeView(mSeekBar);
+ }
+ // remove the existing seekbar (there may not be one) and add ours
+ newContainer.removeAllViews();
+ newContainer.addView(mSeekBar, ViewGroup.LayoutParams.FILL_PARENT,
+ ViewGroup.LayoutParams.WRAP_CONTENT);
+ }
+ } catch (Exception ex) {
+ Log.e(TAG, "Error binding view: " + ex.toString());
+ }
+ mStatusText = (TextView) view.findViewById(R.id.seekBarPrefValue);
+ mStatusText.setText(String.valueOf(mCurrentValue) + mUnits);
+ mStatusText.setMinimumWidth(30);
+ mSeekBar.setProgress(mCurrentValue - mMin);
+ mTitle = (TextView) view.findViewById(android.R.id.title);
+ }
+
+ public void setMax(int max) {
+ mMax = max;
+ }
+
+ public void setMin(int min) {
+ mMin = min;
+ }
+
+ public void setIntervalValue(int value) {
+ mInterval = value;
+ }
+
+ public void setValue(int value) {
+ mCurrentValue = value;
+ }
+
+ @Override
+ public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+ int newValue = progress + mMin;
+ if (newValue > mMax)
+ newValue = mMax;
+ else if (newValue < mMin)
+ newValue = mMin;
+ else if (mInterval != 1 && newValue % mInterval != 0)
+ newValue = Math.round(((float) newValue) / mInterval) * mInterval;
+
+ // change rejected, revert to the previous value
+ if (!callChangeListener(newValue)) {
+ seekBar.setProgress(mCurrentValue - mMin);
+ return;
+ }
+ // change accepted, store it
+ mCurrentValue = newValue;
+ if (mStatusText != null) {
+ mStatusText.setText(String.valueOf(newValue) + mUnits);
+ }
+ persistInt(newValue);
+ }
+
+ @Override
+ public void onStartTrackingTouch(SeekBar seekBar) {
+ }
+
+ @Override
+ public void onStopTrackingTouch(SeekBar seekBar) {
+ notifyChanged();
+ }
+
+ @Override
+ protected Object onGetDefaultValue(TypedArray ta, int index) {
+ int defaultValue = ta.getInt(index, DEFAULT_VALUE);
+ return defaultValue;
+ }
+
+ @Override
+ protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
+ if (restoreValue) {
+ mCurrentValue = getPersistedInt(mCurrentValue);
+ }
+ else {
+ int temp = 0;
+ try {
+ temp = (Integer) defaultValue;
+ } catch (Exception ex) {
+ Log.e(TAG, "Invalid default value: " + defaultValue.toString());
+ }
+ persistInt(temp);
+ mCurrentValue = temp;
+ }
+ }
+
+ @Override
+ public void setEnabled(boolean enabled) {
+ if (mSeekBar != null && mStatusText != null && mTitle != null) {
+ mSeekBar.setEnabled(enabled);
+ mStatusText.setEnabled(enabled);
+ mTitle.setEnabled(enabled);
+ }
+ super.setEnabled(enabled);
+ }
+}