Java tutorial
/* * 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.actionbarsherlock.sample.demos.app; import com.actionbarsherlock.sample.demos.app.SendResult; import com.actionbarsherlock.sample.demos.R; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.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 FragmentReceiveResultSupport extends FragmentActivity { @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 = getSupportFragmentManager().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"); } } } }