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      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
     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
     71         public void onCreate(Bundle savedInstanceState) {
     72             super.onCreate(savedInstanceState);
     73         }
     74 
     75         @Override
     76         public void onSaveInstanceState(Bundle outState) {
     77             super.onSaveInstanceState(outState);
     78         }
     79 
     80         @Override
     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
    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