extends Fragment to display result : Fragment « Core Class « Android

1. Android
2. Core Class
3. Fragment

extends Fragment to display result

  

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.app;

import com.example.android.apis.R;

import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.TextView;

public class FragmentReceiveResult extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
                ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.MATCH_PARENT);
        FrameLayout frame = new FrameLayout(this);
        frame.setId(R.id.simple_fragment);
        setContentView(frame, lp);
        
        if (savedInstanceState == null) {
            // Do first time initialization -- add fragment. 
            Fragment newFragment = new ReceiveResultFragment();
            FragmentTransaction ft = getFragmentManager().beginTransaction();
            ft.add(R.id.simple_fragment, newFragment).commit();
        }
    }

    public static class ReceiveResultFragment extends Fragment {
        // Definition of the one requestCode we use for receiving resuls.
        static final private int GET_CODE = 0;

        private TextView mResults;

        private OnClickListener mGetListener = new OnClickListener() {
            public void onClick(View v) {
                // Start the activity whose result we want to retrieve.  The
                // result will come back with request code GET_CODE.
                Intent intent = new Intent(getActivity(), SendResult.class);
                startActivityForResult(intent, GET_CODE);
            }
        };

        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
        }

        @Override
        public void onSaveInstanceState(Bundle outState) {
            super.onSaveInstanceState(outState);
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                Bundle savedInstanceState) {
            View v = inflater.inflate(R.layout.receive_result, container, false);
            
            // Retrieve the TextView widget that will display results.
            mResults = (TextView)v.findViewById(R.id.results);

            // This allows us to later extend the text buffer.
            mResults.setText(mResults.getText(), TextView.BufferType.EDITABLE);

            // Watch for button clicks.
            Button getButton = (Button)v.findViewById(R.id.get);
            getButton.setOnClickListener(mGetListener);
            
            return v;
        }

        /**
         * This method is called when the sending activity has finished, with the
         * result it supplied.
         */
        @Override
        public void onActivityResult(int requestCode, int resultCode, Intent data) {
            // You can use the requestCode to select between multiple child
            // activities you may have started.  Here there is only one thing
            // we launch.
            if (requestCode == GET_CODE) {

                // We will be adding to our text.
                Editable text = (Editable)mResults.getText();

                // This is a standard resultCode that is sent back if the
                // activity doesn't supply an explicit result.  It will also
                // be returned if the activity failed to launch.
                if (resultCode == RESULT_CANCELED) {
                    text.append("(cancelled)");

                // Our protocol with the sending activity is that it will send
                // text in 'data' as its result.
                } else {
                    text.append("(okay ");
                    text.append(Integer.toString(resultCode));
                    text.append(") ");
                    if (data != null) {
                        text.append(data.getAction());
                    }
                }

                text.append("\n");
            }
        }
    }
}

//layout/receive_result.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2007 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
  
          http://www.apache.org/licenses/LICENSE-2.0
  
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<!--
    Demonstrates receiving activity results.
    See corresponding Java code com.android.sdk.app.ReceiveResult.java.
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:padding="4dip"
    android:gravity="center_horizontal"
    android:layout_width="match_parent" android:layout_height="match_parent">

    <TextView
        android:layout_width="match_parent" android:layout_height="wrap_content"
        android:layout_weight="0"
        android:paddingBottom="4dip"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:text="@string/receive_result_instructions"/>

    <TextView android:id="@+id/results"
        android:layout_width="match_parent" android:layout_height="10dip"
        android:layout_weight="1"
        android:paddingBottom="4dip"
        android:textAppearance="?android:attr/textAppearanceMedium"
        android:textColor="#000"
        android:background="@drawable/green">
    </TextView>

    <Button android:id="@+id/get"
        android:layout_width="wrap_content" android:layout_height="wrap_content" 
        android:layout_weight="0"
        android:text="@string/receive_result_result">
        <requestFocus />
    </Button>

</LinearLayout>

   
    
  

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