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Merge branch '1045-preference-divider' into 'master'

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Don't use a custom widget to separate preference categories

Closes #1045

See merge request !609
This commit is contained in:
akwizgran
2017-10-17 17:03:13 +00:00
parent c6756d2145 4fe4c298d7
commit 4173fc4daa
4 changed files with 23 additions and 204 deletions
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14
briar-android/src/main/java/org/briarproject/briar/android/settings/SettingsFragment.java
View File

@@ -11,9 +11,6 @@ import android.support.v7.preference.CheckBoxPreference;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceFragmentCompat;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.ViewGroup;
import android.widget.Toast;
import org.acra.ACRA;
@@ -34,7 +31,6 @@ import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.util.StringUtils;
import org.briarproject.briar.R;
import org.briarproject.briar.android.util.UserFeedback;
import org.briarproject.briar.android.widget.PreferenceDividerDecoration;
import org.briarproject.briar.api.test.TestDataCreator;
import java.util.logging.Logger;
@@ -200,16 +196,6 @@ public class SettingsFragment extends PreferenceFragmentCompat
loadSettings();
}
@Override
public RecyclerView onCreateRecyclerView(LayoutInflater inflater,
ViewGroup parent, Bundle savedInstanceState) {
RecyclerView list = super.onCreateRecyclerView(inflater, parent,
savedInstanceState);
list.addItemDecoration(
new PreferenceDividerDecoration(getContext()).drawBottom(true));
return list;
}
@Override
public void onStart() {
super.onStart();

181
briar-android/src/main/java/org/briarproject/briar/android/widget/PreferenceDividerDecoration.java
View File

@@ -1,181 +0,0 @@
package org.briarproject.briar.android.widget;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.support.annotation.DimenRes;
import android.support.annotation.DrawableRes;
import android.support.v4.content.ContextCompat;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceCategory;
import android.support.v7.preference.PreferenceGroup;
import android.support.v7.preference.PreferenceGroupAdapter;
import android.support.v7.preference.PreferenceScreen;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.TintTypedArray;
import android.view.View;
import org.briarproject.briar.R;
/**
* Use this class to add dividers between {@link Preference} items.
* <p/>
* Source: https://github.com/consp1racy/android-support-preference
* <br/>
* License: Apache License v2.0
*/
public class PreferenceDividerDecoration extends RecyclerView.ItemDecoration {
private boolean mDrawTop = false;
private boolean mDrawBottom = false;
private boolean mDrawBetweenItems = true;
private boolean mDrawBetweenCategories = true;
private Drawable mDivider;
private int mDividerHeight;
public PreferenceDividerDecoration(Drawable divider, int dividerHeight) {
mDivider = divider;
mDividerHeight = dividerHeight;
}
public PreferenceDividerDecoration(Context context,
@DrawableRes int divider, @DimenRes int dividerHeight) {
mDivider = ContextCompat.getDrawable(context, divider);
mDividerHeight =
context.getResources().getDimensionPixelSize(dividerHeight);
}
public PreferenceDividerDecoration(Context context) {
TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, null,
new int[] {R.attr.dividerHorizontal});
mDivider = a.getDrawable(0);
a.recycle();
mDividerHeight = mDivider.getIntrinsicHeight();
}
public boolean getDrawTop() {
return mDrawTop;
}
/**
* Controls whether to draw divider above the first item.
*/
public PreferenceDividerDecoration drawTop(boolean drawTop) {
mDrawTop = drawTop;
return this;
}
public boolean getDrawBottom() {
return mDrawBottom;
}
/**
* Controls whether to draw divider at the bottom of the last item.
*/
public PreferenceDividerDecoration drawBottom(boolean drawBottom) {
mDrawBottom = drawBottom;
return this;
}
public boolean getDrawBetweenItems() {
return mDrawBetweenItems;
}
/**
* Controls whether to draw divider at the bottom of each
* {@link Preference} and {@link PreferenceScreen} item.
*/
public PreferenceDividerDecoration drawBetweenItems(
boolean drawBetweenItems) {
mDrawBetweenItems = drawBetweenItems;
return this;
}
public boolean getDrawBetweenCategories() {
return mDrawBetweenCategories;
}
/**
* Controls whether to draw divider above each {@link PreferenceGroup}
* usually {@link PreferenceCategory}.
*/
public PreferenceDividerDecoration drawBetweenCategories(
boolean drawBetweenCategories) {
mDrawBetweenCategories = drawBetweenCategories;
return this;
}
@Override
public void onDrawOver(Canvas c, RecyclerView parent,
RecyclerView.State state) {
int left = parent.getPaddingLeft();
int right = parent.getWidth() - parent.getPaddingRight();
final PreferenceGroupAdapter adapter =
(PreferenceGroupAdapter) parent.getAdapter();
final int adapterCount = adapter.getItemCount();
boolean wasLastPreferenceGroup = false;
for (int i = 0, childCount = parent.getChildCount(); i < childCount;
i++) {
final View child = parent.getChildAt(i);
final int adapterPosition = parent.getChildAdapterPosition(child);
Preference preference = adapter.getItem(adapterPosition);
boolean skipNextAboveDivider = false;
if (adapterPosition == 0) {
if (mDrawTop) {
drawAbove(c, left, right, child);
}
skipNextAboveDivider = true;
}
if (preference instanceof PreferenceGroup
&& !(preference instanceof PreferenceScreen)) {
if (mDrawBetweenCategories) {
if (!skipNextAboveDivider) {
drawAbove(c, left, right, child);
skipNextAboveDivider = true;
}
}
wasLastPreferenceGroup = true;
} else {
if (mDrawBetweenItems && !wasLastPreferenceGroup) {
if (!skipNextAboveDivider) {
drawAbove(c, left, right, child);
skipNextAboveDivider = true;
}
}
wasLastPreferenceGroup = false;
}
if (adapterPosition == adapterCount - 1) {
if (mDrawBottom) {
drawBottom(c, left, right, child);
}
}
}
}
private void drawAbove(Canvas c, int left, int right, View child) {
final RecyclerView.LayoutParams params =
(RecyclerView.LayoutParams) child.getLayoutParams();
final int top = child.getTop() - params.topMargin - mDividerHeight;
final int bottom = top + mDividerHeight;
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
private void drawBottom(Canvas c, int left, int right, View child) {
final RecyclerView.LayoutParams params =
(RecyclerView.LayoutParams) child.getLayoutParams();
final int top =
child.getBottom() + params.bottomMargin - mDividerHeight;
final int bottom = top + mDividerHeight;
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}