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 
17 package com.example.android.apis.app;
18 
19 import com.example.android.apis.R;
20 
21 import android.app.Activity;
22 import android.app.Fragment;
23 import android.app.FragmentTransaction;
24 import android.content.Intent;
25 import android.os.Bundle;
26 import android.text.Editable;
27 import android.view.LayoutInflater;
28 import android.view.View;
29 import android.view.View.OnClickListener;
30 import android.view.ViewGroup;
31 import android.widget.Button;
32 import android.widget.FrameLayout;
33 import android.widget.TextView;
34 
35 public class FragmentReceiveResult extends Activity {
36 
37     @Override
onCreate(Bundle savedInstanceState)38     protected void onCreate(Bundle savedInstanceState) {
39         super.onCreate(savedInstanceState);
40         FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
41                 ViewGroup.LayoutParams.MATCH_PARENT,
42                 ViewGroup.LayoutParams.MATCH_PARENT);
43         FrameLayout frame = new FrameLayout(this);
44         frame.setId(R.id.simple_fragment);
45         setContentView(frame, lp);
46 
47         if (savedInstanceState == null) {
48             // Do first time initialization -- add fragment.
49             Fragment newFragment = new ReceiveResultFragment();
50             FragmentTransaction ft = getFragmentManager().beginTransaction();
51             ft.add(R.id.simple_fragment, newFragment).commit();
52         }
53     }
54 
55     public static class ReceiveResultFragment extends Fragment {
56         // Definition of the one requestCode we use for receiving resuls.
57         static final private int GET_CODE = 0;
58 
59         private TextView mResults;
60 
61         private OnClickListener mGetListener = new OnClickListener() {
62             public void onClick(View v) {
63                 // Start the activity whose result we want to retrieve.  The
64                 // result will come back with request code GET_CODE.
65                 Intent intent = new Intent(getActivity(), SendResult.class);
66                 startActivityForResult(intent, GET_CODE);
67             }
68         };
69 
70         @Override
onCreate(Bundle savedInstanceState)71         public void onCreate(Bundle savedInstanceState) {
72             super.onCreate(savedInstanceState);
73         }
74 
75         @Override
onSaveInstanceState(Bundle outState)76         public void onSaveInstanceState(Bundle outState) {
77             super.onSaveInstanceState(outState);
78         }
79 
80         @Override
onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)81         public View onCreateView(LayoutInflater inflater, ViewGroup container,
82                 Bundle savedInstanceState) {
83             View v = inflater.inflate(R.layout.receive_result, container, false);
84 
85             // Retrieve the TextView widget that will display results.
86             mResults = (TextView)v.findViewById(R.id.results);
87 
88             // This allows us to later extend the text buffer.
89             mResults.setText(mResults.getText(), TextView.BufferType.EDITABLE);
90 
91             // Watch for button clicks.
92             Button getButton = (Button)v.findViewById(R.id.get);
93             getButton.setOnClickListener(mGetListener);
94 
95             return v;
96         }
97 
98         /**
99          * This method is called when the sending activity has finished, with the
100          * result it supplied.
101          */
102         @Override
onActivityResult(int requestCode, int resultCode, Intent data)103         public void onActivityResult(int requestCode, int resultCode, Intent data) {
104             // You can use the requestCode to select between multiple child
105             // activities you may have started.  Here there is only one thing
106             // we launch.
107             if (requestCode == GET_CODE) {
108 
109                 // We will be adding to our text.
110                 Editable text = (Editable)mResults.getText();
111 
112                 // This is a standard resultCode that is sent back if the
113                 // activity doesn't supply an explicit result.  It will also
114                 // be returned if the activity failed to launch.
115                 if (resultCode == RESULT_CANCELED) {
116                     text.append("(cancelled)");
117 
118                 // Our protocol with the sending activity is that it will send
119                 // text in 'data' as its result.
120                 } else {
121                     text.append("(okay ");
122                     text.append(Integer.toString(resultCode));
123                     text.append(") ");
124                     if (data != null) {
125                         text.append(data.getAction());
126                     }
127                 }
128 
129                 text.append("\n");
130             }
131         }
132     }
133 }
134