1 /*
2  * Copyright (C) 2016 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 package androidx.leanback.app;
17 
18 import android.content.Intent;
19 import android.os.Bundle;
20 import android.util.Log;
21 
22 import androidx.fragment.app.Fragment;
23 import androidx.fragment.app.FragmentActivity;
24 import androidx.fragment.app.FragmentTransaction;
25 import androidx.leanback.test.R;
26 
27 public class SingleSupportFragmentTestActivity extends FragmentActivity {
28 
29     /**
30      * Fragment that will be added to activity
31      */
32     public static final String EXTRA_FRAGMENT_NAME = "fragmentName";
33 
34     public static final String EXTRA_ACTIVITY_LAYOUT = "activityLayout";
35 
36     public static final String EXTRA_UI_VISIBILITY = "uiVisibility";
37 
38     public static final String EXTRA_OVERRIDDEN_SAVED_INSTANCE_STATE =
39             "overriddenSavedInstanceState";
40 
41     private static final String TAG = "TestActivity";
42 
overrideSavedInstance(Bundle savedInstance)43     private Bundle overrideSavedInstance(Bundle savedInstance) {
44         Intent intent = getIntent();
45         if (intent != null) {
46             Bundle b = intent.getBundleExtra(EXTRA_OVERRIDDEN_SAVED_INSTANCE_STATE);
47             if (b != null) {
48                 return b;
49             }
50         }
51         return savedInstance;
52     }
53 
54     @Override
onCreate(Bundle savedInstanceState)55     public void onCreate(Bundle savedInstanceState) {
56         savedInstanceState = overrideSavedInstance(savedInstanceState);
57         super.onCreate(savedInstanceState);
58         Log.d(TAG, "onCreate " + this);
59         Intent intent = getIntent();
60 
61         final int uiOptions = intent.getIntExtra(EXTRA_UI_VISIBILITY, 0);
62         if (uiOptions != 0) {
63             getWindow().getDecorView().setSystemUiVisibility(uiOptions);
64         }
65 
66         setContentView(intent.getIntExtra(EXTRA_ACTIVITY_LAYOUT, R.layout.single_fragment));
67         if (savedInstanceState == null && findViewById(R.id.main_frame) != null) {
68             try {
69                 Fragment fragment = (Fragment) Class.forName(
70                         intent.getStringExtra(EXTRA_FRAGMENT_NAME)).newInstance();
71                 FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
72                 ft.replace(R.id.main_frame, fragment);
73                 ft.commit();
74             } catch (Exception ex) {
75                 ex.printStackTrace();
76                 finish();
77             }
78         }
79     }
80 
81     @Override
onRestoreInstanceState(Bundle savedInstanceState)82     protected void onRestoreInstanceState(Bundle savedInstanceState) {
83         super.onRestoreInstanceState(overrideSavedInstance(savedInstanceState));
84     }
85 
performSaveInstanceState()86     public Bundle performSaveInstanceState() {
87         Bundle state = new Bundle();
88         onSaveInstanceState(state);
89         return state;
90     }
91 
getTestFragment()92     public Fragment getTestFragment() {
93         return getSupportFragmentManager().findFragmentById(R.id.main_frame);
94     }
95 }
96