1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package android.support.v17.preference;
18
19import android.app.Fragment;
20import android.os.Build;
21import android.os.Bundle;
22import android.support.v7.preference.DialogPreference;
23
24public class LeanbackPreferenceDialogFragment extends Fragment {
25
26    public static final String ARG_KEY = "key";
27
28    private DialogPreference mPreference;
29
30    public LeanbackPreferenceDialogFragment() {
31        if (Build.VERSION.SDK_INT >= 21) {
32            LeanbackPreferenceFragmentTransitionHelperApi21.addTransitions(this);
33        }
34    }
35
36    @Override
37    public void onCreate(Bundle savedInstanceState) {
38        super.onCreate(savedInstanceState);
39
40        final Fragment rawFragment = getTargetFragment();
41        if (!(rawFragment instanceof DialogPreference.TargetFragment)) {
42            throw new IllegalStateException("Target fragment must implement TargetFragment" +
43                    " interface");
44        }
45
46        final DialogPreference.TargetFragment fragment =
47                (DialogPreference.TargetFragment) rawFragment;
48
49        final String key = getArguments().getString(LeanbackListPreferenceDialogFragment.ARG_KEY);
50        mPreference = (DialogPreference) fragment.findPreference(key);
51    }
52
53    public DialogPreference getPreference() {
54        return mPreference;
55    }
56}
57