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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.supportv4.app;
     18 
     19 import com.example.android.supportv4.app.SendResult;
     20 import com.example.android.supportv4.R;
     21 
     22 import android.support.v4.app.Fragment;
     23 import android.support.v4.app.FragmentActivity;
     24 import android.support.v4.app.FragmentTransaction;
     25 
     26 import android.content.Intent;
     27 import android.os.Bundle;
     28 import android.text.Editable;
     29 import android.view.LayoutInflater;
     30 import android.view.View;
     31 import android.view.View.OnClickListener;
     32 import android.view.ViewGroup;
     33 import android.widget.Button;
     34 import android.widget.FrameLayout;
     35 import android.widget.TextView;
     36 
     37 public class FragmentReceiveResultSupport extends FragmentActivity {
     38 
     39     @Override
     40     protected void onCreate(Bundle savedInstanceState) {
     41         super.onCreate(savedInstanceState);
     42         FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
     43                 ViewGroup.LayoutParams.FILL_PARENT,
     44                 ViewGroup.LayoutParams.FILL_PARENT);
     45         FrameLayout frame = new FrameLayout(this);
     46         frame.setId(R.id.simple_fragment);
     47         setContentView(frame, lp);
     48 
     49         if (savedInstanceState == null) {
     50             // Do first time initialization -- add fragment.
     51             Fragment newFragment = new ReceiveResultFragment();
     52             FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
     53             ft.add(R.id.simple_fragment, newFragment).commit();
     54         }
     55     }
     56 
     57     public static class ReceiveResultFragment extends Fragment {
     58         // Definition of the one requestCode we use for receiving resuls.
     59         static final private int GET_CODE = 0;
     60 
     61         private TextView mResults;
     62 
     63         private OnClickListener mGetListener = new OnClickListener() {
     64             public void onClick(View v) {
     65                 // Start the activity whose result we want to retrieve.  The
     66                 // result will come back with request code GET_CODE.
     67                 Intent intent = new Intent(getActivity(), SendResult.class);
     68                 startActivityForResult(intent, GET_CODE);
     69             }
     70         };
     71 
     72         @Override
     73         public void onCreate(Bundle savedInstanceState) {
     74             super.onCreate(savedInstanceState);
     75         }
     76 
     77         @Override
     78         public void onSaveInstanceState(Bundle outState) {
     79             super.onSaveInstanceState(outState);
     80         }
     81 
     82         @Override
     83         public View onCreateView(LayoutInflater inflater, ViewGroup container,
     84                 Bundle savedInstanceState) {
     85             View v = inflater.inflate(R.layout.receive_result, container, false);
     86 
     87             // Retrieve the TextView widget that will display results.
     88             mResults = (TextView)v.findViewById(R.id.results);
     89 
     90             // This allows us to later extend the text buffer.
     91             mResults.setText(mResults.getText(), TextView.BufferType.EDITABLE);
     92 
     93             // Watch for button clicks.
     94             Button getButton = (Button)v.findViewById(R.id.get);
     95             getButton.setOnClickListener(mGetListener);
     96 
     97             return v;
     98         }
     99 
    100         /**
    101          * This method is called when the sending activity has finished, with the
    102          * result it supplied.
    103          */
    104         @Override
    105         public void onActivityResult(int requestCode, int resultCode, Intent data) {
    106             // You can use the requestCode to select between multiple child
    107             // activities you may have started.  Here there is only one thing
    108             // we launch.
    109             if (requestCode == GET_CODE) {
    110 
    111                 // We will be adding to our text.
    112                 Editable text = (Editable)mResults.getText();
    113 
    114                 // This is a standard resultCode that is sent back if the
    115                 // activity doesn't supply an explicit result.  It will also
    116                 // be returned if the activity failed to launch.
    117                 if (resultCode == RESULT_CANCELED) {
    118                     text.append("(cancelled)");
    119 
    120                 // Our protocol with the sending activity is that it will send
    121                 // text in 'data' as its result.
    122                 } else {
    123                     text.append("(okay ");
    124                     text.append(Integer.toString(resultCode));
    125                     text.append(") ");
    126                     if (data != null) {
    127                         text.append(data.getAction());
    128                     }
    129                 }
    130 
    131                 text.append("\n");
    132             }
    133         }
    134     }
    135 }
    136