b7e4380cd2
Its broken and isn't worth maintaining, instead port the few things using it over to SettingsPreferenceActivity with wrapping blank Activities like the rest of Settings. Change-Id: Ic82f0dcb63ed9b4078f7da6a79c0c52f0130e8d1 Fixes: 28779941
769 lines
26 KiB
Java
769 lines
26 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import android.app.Activity;
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import android.app.Dialog;
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import android.app.DialogFragment;
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import android.app.Fragment;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.os.Bundle;
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import android.support.annotation.XmlRes;
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import android.support.v7.preference.Preference;
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import android.support.v7.preference.PreferenceGroup;
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import android.support.v7.preference.PreferenceGroupAdapter;
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import android.support.v7.preference.PreferenceScreen;
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import android.support.v7.preference.PreferenceViewHolder;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.text.TextUtils;
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import android.util.ArrayMap;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import com.android.settings.applications.LayoutPreference;
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import com.android.settings.widget.FloatingActionButton;
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import com.android.settingslib.HelpUtils;
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import java.util.UUID;
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/**
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* Base class for Settings fragments, with some helper functions and dialog management.
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*/
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public abstract class SettingsPreferenceFragment extends InstrumentedPreferenceFragment
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implements DialogCreatable {
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/**
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* The Help Uri Resource key. This can be passed as an extra argument when creating the
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* Fragment.
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**/
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public static final String HELP_URI_RESOURCE_KEY = "help_uri_resource";
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private static final String TAG = "SettingsPreference";
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private static final int DELAY_HIGHLIGHT_DURATION_MILLIS = 600;
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private static final String SAVE_HIGHLIGHTED_KEY = "android:preference_highlighted";
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private SettingsDialogFragment mDialogFragment;
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private String mHelpUri;
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private static final int ORDER_FIRST = -1;
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private static final int ORDER_LAST = Integer.MAX_VALUE -1;
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// Cache the content resolver for async callbacks
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private ContentResolver mContentResolver;
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private String mPreferenceKey;
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private boolean mPreferenceHighlighted = false;
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private RecyclerView.Adapter mCurrentRootAdapter;
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private boolean mIsDataSetObserverRegistered = false;
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private RecyclerView.AdapterDataObserver mDataSetObserver =
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new RecyclerView.AdapterDataObserver() {
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@Override
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public void onChanged() {
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onDataSetChanged();
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}
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};
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private ViewGroup mPinnedHeaderFrameLayout;
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private FloatingActionButton mFloatingActionButton;
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private ViewGroup mButtonBar;
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private LayoutPreference mHeader;
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private LayoutPreference mFooter;
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private View mEmptyView;
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private LinearLayoutManager mLayoutManager;
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private HighlightablePreferenceGroupAdapter mAdapter;
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private ArrayMap<String, Preference> mPreferenceCache;
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private boolean mAnimationAllowed;
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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if (icicle != null) {
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mPreferenceHighlighted = icicle.getBoolean(SAVE_HIGHLIGHTED_KEY);
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}
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// Prepare help url and enable menu if necessary
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Bundle arguments = getArguments();
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int helpResource;
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if (arguments != null && arguments.containsKey(HELP_URI_RESOURCE_KEY)) {
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helpResource = arguments.getInt(HELP_URI_RESOURCE_KEY);
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} else {
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helpResource = getHelpResource();
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}
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if (helpResource != 0) {
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mHelpUri = getResources().getString(helpResource);
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}
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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final View root = super.onCreateView(inflater, container, savedInstanceState);
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mPinnedHeaderFrameLayout = (ViewGroup) root.findViewById(R.id.pinned_header);
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mFloatingActionButton = (FloatingActionButton) root.findViewById(R.id.fab);
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mButtonBar = (ViewGroup) root.findViewById(R.id.button_bar);
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return root;
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}
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@Override
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public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
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}
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@Override
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public void addPreferencesFromResource(@XmlRes int preferencesResId) {
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super.addPreferencesFromResource(preferencesResId);
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checkAvailablePrefs(getPreferenceScreen());
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}
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private void checkAvailablePrefs(PreferenceGroup preferenceGroup) {
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if (preferenceGroup == null) return;
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for (int i = 0; i < preferenceGroup.getPreferenceCount(); i++) {
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Preference pref = preferenceGroup.getPreference(i);
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if (pref instanceof SelfAvailablePreference
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&& !((SelfAvailablePreference) pref).isAvailable(getContext())) {
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preferenceGroup.removePreference(pref);
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} else if (pref instanceof PreferenceGroup) {
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checkAvailablePrefs((PreferenceGroup) pref);
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}
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}
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}
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public FloatingActionButton getFloatingActionButton() {
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return mFloatingActionButton;
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}
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public ViewGroup getButtonBar() {
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return mButtonBar;
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}
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public View setPinnedHeaderView(int layoutResId) {
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final LayoutInflater inflater = getActivity().getLayoutInflater();
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final View pinnedHeader =
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inflater.inflate(layoutResId, mPinnedHeaderFrameLayout, false);
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setPinnedHeaderView(pinnedHeader);
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return pinnedHeader;
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}
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public void setPinnedHeaderView(View pinnedHeader) {
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mPinnedHeaderFrameLayout.addView(pinnedHeader);
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mPinnedHeaderFrameLayout.setVisibility(View.VISIBLE);
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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outState.putBoolean(SAVE_HIGHLIGHTED_KEY, mPreferenceHighlighted);
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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setHasOptionsMenu(true);
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}
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@Override
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public void onResume() {
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super.onResume();
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final Bundle args = getArguments();
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if (args != null) {
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mPreferenceKey = args.getString(SettingsActivity.EXTRA_FRAGMENT_ARG_KEY);
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highlightPreferenceIfNeeded();
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}
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}
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@Override
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protected void onBindPreferences() {
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registerObserverIfNeeded();
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}
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@Override
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protected void onUnbindPreferences() {
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unregisterObserverIfNeeded();
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}
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public void showLoadingWhenEmpty() {
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View loading = getView().findViewById(R.id.loading_container);
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setEmptyView(loading);
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}
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public void setLoading(boolean loading, boolean animate) {
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View loading_container = getView().findViewById(R.id.loading_container);
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Utils.handleLoadingContainer(loading_container, getListView(), !loading, animate);
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}
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public void registerObserverIfNeeded() {
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if (!mIsDataSetObserverRegistered) {
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if (mCurrentRootAdapter != null) {
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mCurrentRootAdapter.unregisterAdapterDataObserver(mDataSetObserver);
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}
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mCurrentRootAdapter = getListView().getAdapter();
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mCurrentRootAdapter.registerAdapterDataObserver(mDataSetObserver);
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mIsDataSetObserverRegistered = true;
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onDataSetChanged();
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}
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}
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public void unregisterObserverIfNeeded() {
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if (mIsDataSetObserverRegistered) {
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if (mCurrentRootAdapter != null) {
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mCurrentRootAdapter.unregisterAdapterDataObserver(mDataSetObserver);
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mCurrentRootAdapter = null;
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}
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mIsDataSetObserverRegistered = false;
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}
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}
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public void highlightPreferenceIfNeeded() {
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if (isAdded() && !mPreferenceHighlighted &&!TextUtils.isEmpty(mPreferenceKey)) {
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highlightPreference(mPreferenceKey);
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}
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}
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protected void onDataSetChanged() {
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highlightPreferenceIfNeeded();
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updateEmptyView();
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}
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public LayoutPreference getHeaderView() {
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return mHeader;
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}
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public LayoutPreference getFooterView() {
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return mFooter;
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}
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protected void setHeaderView(int resource) {
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mHeader = new LayoutPreference(getPrefContext(), resource);
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addPreferenceToTop(mHeader);
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}
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protected void setHeaderView(View view) {
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mHeader = new LayoutPreference(getPrefContext(), view);
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addPreferenceToTop(mHeader);
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}
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private void addPreferenceToTop(LayoutPreference preference) {
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preference.setOrder(ORDER_FIRST);
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if (getPreferenceScreen() != null) {
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getPreferenceScreen().addPreference(preference);
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}
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}
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protected void setFooterView(int resource) {
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setFooterView(resource != 0 ? new LayoutPreference(getPrefContext(), resource) : null);
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}
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protected void setFooterView(View v) {
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setFooterView(v != null ? new LayoutPreference(getPrefContext(), v) : null);
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}
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private void setFooterView(LayoutPreference footer) {
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if (getPreferenceScreen() != null && mFooter != null) {
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getPreferenceScreen().removePreference(mFooter);
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}
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if (footer != null) {
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mFooter = footer;
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mFooter.setOrder(ORDER_LAST);
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if (getPreferenceScreen() != null) {
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getPreferenceScreen().addPreference(mFooter);
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}
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} else {
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mFooter = null;
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}
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}
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@Override
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public void setPreferenceScreen(PreferenceScreen preferenceScreen) {
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if (preferenceScreen != null && !preferenceScreen.isAttached()) {
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// Without ids generated, the RecyclerView won't animate changes to the preferences.
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preferenceScreen.setShouldUseGeneratedIds(mAnimationAllowed);
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}
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super.setPreferenceScreen(preferenceScreen);
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if (preferenceScreen != null) {
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if (mHeader != null) {
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preferenceScreen.addPreference(mHeader);
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}
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if (mFooter != null) {
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preferenceScreen.addPreference(mFooter);
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}
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}
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}
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private void updateEmptyView() {
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if (mEmptyView == null) return;
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if (getPreferenceScreen() != null) {
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boolean show = (getPreferenceScreen().getPreferenceCount()
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- (mHeader != null ? 1 : 0)
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- (mFooter != null ? 1 : 0)) <= 0;
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mEmptyView.setVisibility(show ? View.VISIBLE : View.GONE);
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} else {
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mEmptyView.setVisibility(View.VISIBLE);
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}
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}
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public void setEmptyView(View v) {
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if (mEmptyView != null) {
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mEmptyView.setVisibility(View.GONE);
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}
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mEmptyView = v;
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updateEmptyView();
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}
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public View getEmptyView() {
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return mEmptyView;
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}
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/**
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* Return a valid ListView position or -1 if none is found
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*/
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private int canUseListViewForHighLighting(String key) {
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if (getListView() == null) {
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return -1;
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}
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RecyclerView listView = getListView();
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RecyclerView.Adapter adapter = listView.getAdapter();
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if (adapter != null && adapter instanceof PreferenceGroupAdapter) {
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return findListPositionFromKey((PreferenceGroupAdapter) adapter, key);
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}
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return -1;
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}
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@Override
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public RecyclerView.LayoutManager onCreateLayoutManager() {
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mLayoutManager = new LinearLayoutManager(getContext());
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return mLayoutManager;
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}
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@Override
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protected RecyclerView.Adapter onCreateAdapter(PreferenceScreen preferenceScreen) {
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mAdapter = new HighlightablePreferenceGroupAdapter(preferenceScreen);
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return mAdapter;
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}
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protected void setAnimationAllowed(boolean animationAllowed) {
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mAnimationAllowed = animationAllowed;
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}
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protected void cacheRemoveAllPrefs(PreferenceGroup group) {
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mPreferenceCache = new ArrayMap<String, Preference>();
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final int N = group.getPreferenceCount();
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for (int i = 0; i < N; i++) {
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Preference p = group.getPreference(i);
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if (TextUtils.isEmpty(p.getKey())) {
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continue;
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}
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mPreferenceCache.put(p.getKey(), p);
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}
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}
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protected Preference getCachedPreference(String key) {
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return mPreferenceCache != null ? mPreferenceCache.remove(key) : null;
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}
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protected void removeCachedPrefs(PreferenceGroup group) {
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for (Preference p : mPreferenceCache.values()) {
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group.removePreference(p);
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}
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}
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protected int getCachedCount() {
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return mPreferenceCache.size();
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}
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private void highlightPreference(String key) {
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final int position = canUseListViewForHighLighting(key);
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if (position >= 0) {
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mPreferenceHighlighted = true;
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mLayoutManager.scrollToPosition(position);
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getView().postDelayed(new Runnable() {
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@Override
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public void run() {
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mAdapter.highlight(position);
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}
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}, DELAY_HIGHLIGHT_DURATION_MILLIS);
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}
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}
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private int findListPositionFromKey(PreferenceGroupAdapter adapter, String key) {
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final int count = adapter.getItemCount();
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for (int n = 0; n < count; n++) {
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final Preference preference = adapter.getItem(n);
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final String preferenceKey = preference.getKey();
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if (preferenceKey != null && preferenceKey.equals(key)) {
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return n;
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}
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}
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return -1;
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}
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protected void removePreference(String key) {
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Preference pref = findPreference(key);
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if (pref != null) {
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getPreferenceScreen().removePreference(pref);
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}
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}
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/**
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* Override this if you want to show a help item in the menu, by returning the resource id.
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* @return the resource id for the help url
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*/
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protected int getHelpResource() {
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return R.string.help_uri_default;
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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if (mHelpUri != null && getActivity() != null) {
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HelpUtils.prepareHelpMenuItem(getActivity(), menu, mHelpUri, getClass().getName());
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}
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}
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/*
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* The name is intentionally made different from Activity#finish(), so that
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* users won't misunderstand its meaning.
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*/
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public final void finishFragment() {
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getActivity().onBackPressed();
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}
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// Some helpers for functions used by the settings fragments when they were activities
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/**
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* Returns the ContentResolver from the owning Activity.
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*/
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protected ContentResolver getContentResolver() {
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Context context = getActivity();
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if (context != null) {
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mContentResolver = context.getContentResolver();
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}
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return mContentResolver;
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}
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/**
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* Returns the specified system service from the owning Activity.
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*/
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protected Object getSystemService(final String name) {
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return getActivity().getSystemService(name);
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}
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/**
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* Returns the PackageManager from the owning Activity.
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*/
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protected PackageManager getPackageManager() {
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return getActivity().getPackageManager();
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}
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@Override
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public void onDetach() {
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if (isRemoving()) {
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if (mDialogFragment != null) {
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mDialogFragment.dismiss();
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mDialogFragment = null;
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}
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}
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super.onDetach();
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}
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// Dialog management
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protected void showDialog(int dialogId) {
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if (mDialogFragment != null) {
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Log.e(TAG, "Old dialog fragment not null!");
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}
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mDialogFragment = new SettingsDialogFragment(this, dialogId);
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mDialogFragment.show(getChildFragmentManager(), Integer.toString(dialogId));
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}
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public Dialog onCreateDialog(int dialogId) {
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return null;
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}
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protected void removeDialog(int dialogId) {
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// mDialogFragment may not be visible yet in parent fragment's onResume().
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// To be able to dismiss dialog at that time, don't check
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// mDialogFragment.isVisible().
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if (mDialogFragment != null && mDialogFragment.getDialogId() == dialogId) {
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mDialogFragment.dismiss();
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}
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mDialogFragment = null;
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}
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/**
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* Sets the OnCancelListener of the dialog shown. This method can only be
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* called after showDialog(int) and before removeDialog(int). The method
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* does nothing otherwise.
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*/
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protected void setOnCancelListener(DialogInterface.OnCancelListener listener) {
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if (mDialogFragment != null) {
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mDialogFragment.mOnCancelListener = listener;
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}
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}
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/**
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* Sets the OnDismissListener of the dialog shown. This method can only be
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* called after showDialog(int) and before removeDialog(int). The method
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* does nothing otherwise.
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*/
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protected void setOnDismissListener(DialogInterface.OnDismissListener listener) {
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if (mDialogFragment != null) {
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mDialogFragment.mOnDismissListener = listener;
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}
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}
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public void onDialogShowing() {
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// override in subclass to attach a dismiss listener, for instance
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}
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@Override
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public void onDisplayPreferenceDialog(Preference preference) {
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if (preference.getKey() == null) {
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// Auto-key preferences that don't have a key, so the dialog can find them.
|
|
preference.setKey(UUID.randomUUID().toString());
|
|
}
|
|
DialogFragment f = null;
|
|
if (preference instanceof RestrictedListPreference) {
|
|
f = RestrictedListPreference.RestrictedListPreferenceDialogFragment
|
|
.newInstance(preference.getKey());
|
|
} else if (preference instanceof CustomListPreference) {
|
|
f = CustomListPreference.CustomListPreferenceDialogFragment
|
|
.newInstance(preference.getKey());
|
|
} else if (preference instanceof CustomDialogPreference) {
|
|
f = CustomDialogPreference.CustomPreferenceDialogFragment
|
|
.newInstance(preference.getKey());
|
|
} else if (preference instanceof CustomEditTextPreference) {
|
|
f = CustomEditTextPreference.CustomPreferenceDialogFragment
|
|
.newInstance(preference.getKey());
|
|
} else {
|
|
super.onDisplayPreferenceDialog(preference);
|
|
return;
|
|
}
|
|
f.setTargetFragment(this, 0);
|
|
f.show(getFragmentManager(), "dialog_preference");
|
|
onDialogShowing();
|
|
}
|
|
|
|
public static class SettingsDialogFragment extends DialogFragment {
|
|
private static final String KEY_DIALOG_ID = "key_dialog_id";
|
|
private static final String KEY_PARENT_FRAGMENT_ID = "key_parent_fragment_id";
|
|
|
|
private int mDialogId;
|
|
|
|
private Fragment mParentFragment;
|
|
|
|
private DialogInterface.OnCancelListener mOnCancelListener;
|
|
private DialogInterface.OnDismissListener mOnDismissListener;
|
|
|
|
public SettingsDialogFragment() {
|
|
/* do nothing */
|
|
}
|
|
|
|
public SettingsDialogFragment(DialogCreatable fragment, int dialogId) {
|
|
mDialogId = dialogId;
|
|
if (!(fragment instanceof Fragment)) {
|
|
throw new IllegalArgumentException("fragment argument must be an instance of "
|
|
+ Fragment.class.getName());
|
|
}
|
|
mParentFragment = (Fragment) fragment;
|
|
}
|
|
|
|
@Override
|
|
public void onSaveInstanceState(Bundle outState) {
|
|
super.onSaveInstanceState(outState);
|
|
if (mParentFragment != null) {
|
|
outState.putInt(KEY_DIALOG_ID, mDialogId);
|
|
outState.putInt(KEY_PARENT_FRAGMENT_ID, mParentFragment.getId());
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onStart() {
|
|
super.onStart();
|
|
|
|
if (mParentFragment != null && mParentFragment instanceof SettingsPreferenceFragment) {
|
|
((SettingsPreferenceFragment) mParentFragment).onDialogShowing();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Dialog onCreateDialog(Bundle savedInstanceState) {
|
|
if (savedInstanceState != null) {
|
|
mDialogId = savedInstanceState.getInt(KEY_DIALOG_ID, 0);
|
|
mParentFragment = getParentFragment();
|
|
int mParentFragmentId = savedInstanceState.getInt(KEY_PARENT_FRAGMENT_ID, -1);
|
|
if (mParentFragment == null) {
|
|
mParentFragment = getFragmentManager().findFragmentById(mParentFragmentId);
|
|
}
|
|
if (!(mParentFragment instanceof DialogCreatable)) {
|
|
throw new IllegalArgumentException(
|
|
(mParentFragment != null
|
|
? mParentFragment.getClass().getName()
|
|
: mParentFragmentId)
|
|
+ " must implement "
|
|
+ DialogCreatable.class.getName());
|
|
}
|
|
// This dialog fragment could be created from non-SettingsPreferenceFragment
|
|
if (mParentFragment instanceof SettingsPreferenceFragment) {
|
|
// restore mDialogFragment in mParentFragment
|
|
((SettingsPreferenceFragment) mParentFragment).mDialogFragment = this;
|
|
}
|
|
}
|
|
return ((DialogCreatable) mParentFragment).onCreateDialog(mDialogId);
|
|
}
|
|
|
|
@Override
|
|
public void onCancel(DialogInterface dialog) {
|
|
super.onCancel(dialog);
|
|
if (mOnCancelListener != null) {
|
|
mOnCancelListener.onCancel(dialog);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onDismiss(DialogInterface dialog) {
|
|
super.onDismiss(dialog);
|
|
if (mOnDismissListener != null) {
|
|
mOnDismissListener.onDismiss(dialog);
|
|
}
|
|
}
|
|
|
|
public int getDialogId() {
|
|
return mDialogId;
|
|
}
|
|
|
|
@Override
|
|
public void onDetach() {
|
|
super.onDetach();
|
|
|
|
// This dialog fragment could be created from non-SettingsPreferenceFragment
|
|
if (mParentFragment instanceof SettingsPreferenceFragment) {
|
|
// in case the dialog is not explicitly removed by removeDialog()
|
|
if (((SettingsPreferenceFragment) mParentFragment).mDialogFragment == this) {
|
|
((SettingsPreferenceFragment) mParentFragment).mDialogFragment = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
protected boolean hasNextButton() {
|
|
return ((ButtonBarHandler)getActivity()).hasNextButton();
|
|
}
|
|
|
|
protected Button getNextButton() {
|
|
return ((ButtonBarHandler)getActivity()).getNextButton();
|
|
}
|
|
|
|
public void finish() {
|
|
Activity activity = getActivity();
|
|
if (activity != null && !activity.getFragmentManager().popBackStackImmediate()) {
|
|
activity.finish();
|
|
}
|
|
}
|
|
|
|
protected Intent getIntent() {
|
|
if (getActivity() == null) {
|
|
return null;
|
|
}
|
|
return getActivity().getIntent();
|
|
}
|
|
|
|
protected void setResult(int result, Intent intent) {
|
|
if (getActivity() == null) {
|
|
return;
|
|
}
|
|
getActivity().setResult(result, intent);
|
|
}
|
|
|
|
protected void setResult(int result) {
|
|
if (getActivity() == null) {
|
|
return;
|
|
}
|
|
getActivity().setResult(result);
|
|
}
|
|
|
|
protected final Context getPrefContext() {
|
|
return getPreferenceManager().getContext();
|
|
}
|
|
|
|
public boolean startFragment(Fragment caller, String fragmentClass, int titleRes,
|
|
int requestCode, Bundle extras) {
|
|
final Activity activity = getActivity();
|
|
if (activity instanceof SettingsActivity) {
|
|
SettingsActivity sa = (SettingsActivity) activity;
|
|
sa.startPreferencePanel(fragmentClass, extras, titleRes, null, caller, requestCode);
|
|
return true;
|
|
} else {
|
|
Log.w(TAG,
|
|
"Parent isn't SettingsActivity nor PreferenceActivity, thus there's no way to "
|
|
+ "launch the given Fragment (name: " + fragmentClass
|
|
+ ", requestCode: " + requestCode + ")");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public static class HighlightablePreferenceGroupAdapter extends PreferenceGroupAdapter {
|
|
|
|
private int mHighlightPosition = -1;
|
|
|
|
public HighlightablePreferenceGroupAdapter(PreferenceGroup preferenceGroup) {
|
|
super(preferenceGroup);
|
|
}
|
|
|
|
public void highlight(int position) {
|
|
mHighlightPosition = position;
|
|
notifyDataSetChanged();
|
|
}
|
|
|
|
@Override
|
|
public void onBindViewHolder(PreferenceViewHolder holder, int position) {
|
|
super.onBindViewHolder(holder, position);
|
|
if (position == mHighlightPosition) {
|
|
View v = holder.itemView;
|
|
if (v.getBackground() != null) {
|
|
final int centerX = v.getWidth() / 2;
|
|
final int centerY = v.getHeight() / 2;
|
|
v.getBackground().setHotspot(centerX, centerY);
|
|
}
|
|
v.setPressed(true);
|
|
v.setPressed(false);
|
|
mHighlightPosition = -1;
|
|
}
|
|
}
|
|
}
|
|
}
|