Android example source code file (SmsMessagingDemo.java)

This example Android source code file (SmsMessagingDemo.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

action_sms_sent, activity, android, app, application, button, checkbox, componentname, content, edittext, enabling, error, intent, override, please, smsmessagingdemo, string, textview, ui, widget

The SmsMessagingDemo.java Android example source code

/*
 * Copyright (C) 2010 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.os;

import java.util.List;

import android.app.Activity;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.CompoundButton.OnCheckedChangeListener;

import com.example.android.apis.R;

public class SmsMessagingDemo extends Activity {
    /** Tag string for our debug logs */
    private static final String TAG = "SmsMessagingDemo";

    public static final String SMS_RECIPIENT_EXTRA = "com.example.android.apis.os.SMS_RECIPIENT";

    public static final String ACTION_SMS_SENT = "com.example.android.apis.os.SMS_SENT_ACTION";

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

        setContentView(R.layout.sms_demo);

        if (getIntent().hasExtra(SMS_RECIPIENT_EXTRA)) {
            ((TextView) findViewById(R.id.sms_recipient)).setText(getIntent().getExtras()
                    .getString(SMS_RECIPIENT_EXTRA));
            ((TextView) findViewById(R.id.sms_content)).requestFocus();
        }

        // Enable or disable the broadcast receiver depending on the checked
        // state of the checkbox.
        CheckBox enableCheckBox = (CheckBox) findViewById(R.id.sms_enable_receiver);

        final PackageManager pm = this.getPackageManager();
        final ComponentName componentName = new ComponentName("com.example.android.apis",
                "com.example.android.apis.os.SmsMessageReceiver");

        enableCheckBox.setChecked(pm.getComponentEnabledSetting(componentName) ==
                                  PackageManager.COMPONENT_ENABLED_STATE_ENABLED);

        enableCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                Log.d(TAG, (isChecked ? "Enabling" : "Disabling") + " SMS receiver");

                pm.setComponentEnabledSetting(componentName,
                        isChecked ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
                                : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
                        PackageManager.DONT_KILL_APP);
            }
        });

        final EditText recipientTextEdit = (EditText) SmsMessagingDemo.this
                .findViewById(R.id.sms_recipient);
        final EditText contentTextEdit = (EditText) SmsMessagingDemo.this
                .findViewById(R.id.sms_content);
        final TextView statusView = (TextView) SmsMessagingDemo.this.findViewById(R.id.sms_status);

        // Watch for send button clicks and send text messages.
        Button sendButton = (Button) findViewById(R.id.sms_send_message);
        sendButton.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                if (TextUtils.isEmpty(recipientTextEdit.getText())) {
                    Toast.makeText(SmsMessagingDemo.this, "Please enter a message recipient.",
                            Toast.LENGTH_SHORT).show();
                    return;
                }

                if (TextUtils.isEmpty(contentTextEdit.getText())) {
                    Toast.makeText(SmsMessagingDemo.this, "Please enter a message body.",
                            Toast.LENGTH_SHORT).show();
                    return;
                }

                recipientTextEdit.setEnabled(false);
                contentTextEdit.setEnabled(false);

                SmsManager sms = SmsManager.getDefault();

                List<String> messages = sms.divideMessage(contentTextEdit.getText().toString());

                String recipient = recipientTextEdit.getText().toString();
                for (String message : messages) {
                    sms.sendTextMessage(recipient, null, message, PendingIntent.getBroadcast(
                            SmsMessagingDemo.this, 0, new Intent(ACTION_SMS_SENT), 0), null);
                }
            }
        });

        // Register broadcast receivers for SMS sent and delivered intents
        registerReceiver(new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                String message = null;
                boolean error = true;
                switch (getResultCode()) {
                case Activity.RESULT_OK:
                    message = "Message sent!";
                    error = false;
                    break;
                case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
                    message = "Error.";
                    break;
                case SmsManager.RESULT_ERROR_NO_SERVICE:
                    message = "Error: No service.";
                    break;
                case SmsManager.RESULT_ERROR_NULL_PDU:
                    message = "Error: Null PDU.";
                    break;
                case SmsManager.RESULT_ERROR_RADIO_OFF:
                    message = "Error: Radio off.";
                    break;
                }

                recipientTextEdit.setEnabled(true);
                contentTextEdit.setEnabled(true);
                contentTextEdit.setText("");

                statusView.setText(message);
                statusView.setTextColor(error ? Color.RED : Color.GREEN);
            }
        }, new IntentFilter(ACTION_SMS_SENT));
    }
}