1/*
2 * Copyright (C) 2011 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 com.example.android.supportv4.app;
18
19import android.content.Context;
20import android.content.res.TypedArray;
21import android.os.Bundle;
22import android.util.AttributeSet;
23import android.view.LayoutInflater;
24import android.view.View;
25import android.view.ViewGroup;
26import android.widget.TextView;
27
28import androidx.core.content.ContextCompat;
29import androidx.core.view.ViewCompat;
30import androidx.fragment.app.Fragment;
31import androidx.fragment.app.FragmentActivity;
32import androidx.fragment.app.FragmentTransaction;
33
34import com.example.android.supportv4.R;
35
36/**
37 * Demonstrates a fragment that can be configured through both Bundle arguments
38 * and layout attributes.
39 */
40public class FragmentArgumentsSupport extends FragmentActivity {
41//BEGIN_INCLUDE(create)
42    @Override protected void onCreate(Bundle savedInstanceState) {
43        super.onCreate(savedInstanceState);
44        setContentView(R.layout.fragment_arguments_support);
45
46        if (savedInstanceState == null) {
47            // First-time init; create fragment to embed in activity.
48            FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
49            Fragment newFragment = MyFragment.newInstance("From Arguments");
50            ft.add(R.id.created, newFragment);
51            ft.commit();
52        }
53    }
54//END_INCLUDE(create)
55
56//BEGIN_INCLUDE(fragment)
57    public static class MyFragment extends Fragment {
58        CharSequence mLabel;
59
60        /**
61         * Create a new instance of MyFragment that will be initialized
62         * with the given arguments.
63         */
64        static MyFragment newInstance(CharSequence label) {
65            MyFragment f = new MyFragment();
66            Bundle b = new Bundle();
67            b.putCharSequence("label", label);
68            f.setArguments(b);
69            return f;
70        }
71
72        /**
73         * Parse attributes during inflation from a view hierarchy into the
74         * arguments we handle.
75         */
76        @Override
77        public void onInflate(Context context, AttributeSet attrs, Bundle savedInstanceState) {
78            super.onInflate(context, attrs, savedInstanceState);
79
80            TypedArray a = context.obtainStyledAttributes(attrs,
81                    R.styleable.FragmentArguments);
82            mLabel = a.getText(R.styleable.FragmentArguments_android_label);
83            a.recycle();
84        }
85
86        /**
87         * During creation, if arguments have been supplied to the fragment
88         * then parse those out.
89         */
90        @Override
91        public void onCreate(Bundle savedInstanceState) {
92            super.onCreate(savedInstanceState);
93
94            Bundle args = getArguments();
95            if (args != null) {
96                CharSequence label = args.getCharSequence("label");
97                if (label != null) {
98                    mLabel = label;
99                }
100            }
101        }
102
103        /**
104         * Create the view for this fragment, using the arguments given to it.
105         */
106        @Override
107        public View onCreateView(LayoutInflater inflater, ViewGroup container,
108                Bundle savedInstanceState) {
109            View v = inflater.inflate(R.layout.hello_world, container, false);
110            View tv = v.findViewById(R.id.text);
111            ((TextView)tv).setText(mLabel != null ? mLabel : "(no label)");
112            ViewCompat.setBackground(
113                    tv, ContextCompat.getDrawable(getContext(), android.R.drawable.gallery_thumb));
114            return v;
115        }
116    }
117//END_INCLUDE(fragment)
118}
119