com.amazon.aws.demo.anonymous.sns.SnsPublish.java Source code

Introduction

Here is the source code for com.amazon.aws.demo.anonymous.sns.SnsPublish.java

Source

/*
 * Copyright 2010-2012 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.amazon.aws.demo.anonymous.sns;

import java.util.List;

import com.amazon.aws.demo.anonymous.AlertActivity;
import com.amazon.aws.demo.anonymous.R;
import com.amazonaws.AmazonServiceException;

import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;

public class SnsPublish extends AlertActivity {

    protected Handler mHandler;
    protected Spinner topicSpinner;
    protected ArrayAdapter<String> topicListAdapter;
    protected EditText messageInput;
    protected Button submitButton;
    protected List<String> topicArns;

    private Runnable postResults = new Runnable() {
        @Override
        public void run() {
            updateUi();
        }
    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.sns_publish);
        topicSpinner = (Spinner) findViewById(R.id.sns_pub_topic_spinner);
        messageInput = (EditText) findViewById(R.id.sns_pub_message_input);
        submitButton = (Button) findViewById(R.id.sns_pub_submit_button);
        mHandler = new Handler();
        getTopicArn();
    }

    private void getTopicArn() {
        Thread t = new Thread() {
            @Override
            public void run() {
                try {
                    topicArns = SimpleNotification.getTopicNames();
                    mHandler.post(postResults);
                } catch (AmazonServiceException e) {
                    if ("ExpiredToken".equals(e.getErrorCode())) {
                        putRefreshError();
                    } else {
                        setStackAndPost(e);
                    }
                } catch (Throwable e) {
                    setStackAndPost(e);
                }
            }
        };
        t.start();
    }

    private void wireSubmitButton() {
        submitButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                topicSpinner.setVisibility(View.INVISIBLE);
                messageInput.setVisibility(View.INVISIBLE);
                try {
                    SimpleNotification.publish(topicSpinner.getSelectedItem().toString(),
                            messageInput.getText().toString());
                    finish();
                } catch (AmazonServiceException e) {
                    if ("ExpiredToken".equals(e.getErrorCode())) {
                        putRefreshError();
                    } else {
                        setStackAndPost(e);
                    }
                } catch (Throwable e) {
                    setStackAndPost(e);
                }
            }
        });
    }

    private void updateUi() {
        topicListAdapter = new ArrayAdapter<String>(this, R.layout.spinner_item, topicArns);
        topicSpinner.setAdapter(topicListAdapter);
        wireSubmitButton();
    }
}