1 /*
2  * Copyright (C) 2010 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.apis.os;
18 
19 import java.util.List;
20 
21 import android.app.Activity;
22 import android.app.PendingIntent;
23 import android.content.BroadcastReceiver;
24 import android.content.ComponentName;
25 import android.content.Context;
26 import android.content.Intent;
27 import android.content.IntentFilter;
28 import android.content.pm.PackageManager;
29 import android.graphics.Color;
30 import android.os.Bundle;
31 import android.telephony.SmsManager;
32 import android.text.TextUtils;
33 import android.util.Log;
34 import android.view.View;
35 import android.view.View.OnClickListener;
36 import android.widget.Button;
37 import android.widget.CheckBox;
38 import android.widget.CompoundButton;
39 import android.widget.EditText;
40 import android.widget.TextView;
41 import android.widget.Toast;
42 import android.widget.CompoundButton.OnCheckedChangeListener;
43 
44 import com.example.android.apis.R;
45 
46 public class SmsMessagingDemo extends Activity {
47     /** Tag string for our debug logs */
48     private static final String TAG = "SmsMessagingDemo";
49 
50     public static final String SMS_RECIPIENT_EXTRA = "com.example.android.apis.os.SMS_RECIPIENT";
51 
52     public static final String ACTION_SMS_SENT = "com.example.android.apis.os.SMS_SENT_ACTION";
53 
54     @Override
onCreate(Bundle savedInstanceState)55     protected void onCreate(Bundle savedInstanceState) {
56         super.onCreate(savedInstanceState);
57 
58         setContentView(R.layout.sms_demo);
59 
60         if (getIntent().hasExtra(SMS_RECIPIENT_EXTRA)) {
61             ((TextView) findViewById(R.id.sms_recipient)).setText(getIntent().getExtras()
62                     .getString(SMS_RECIPIENT_EXTRA));
63             ((TextView) findViewById(R.id.sms_content)).requestFocus();
64         }
65 
66         // Enable or disable the broadcast receiver depending on the checked
67         // state of the checkbox.
68         CheckBox enableCheckBox = (CheckBox) findViewById(R.id.sms_enable_receiver);
69 
70         final PackageManager pm = this.getPackageManager();
71         final ComponentName componentName = new ComponentName("com.example.android.apis",
72                 "com.example.android.apis.os.SmsMessageReceiver");
73 
74         enableCheckBox.setChecked(pm.getComponentEnabledSetting(componentName) ==
75                                   PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
76 
77         enableCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
78             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
79                 Log.d(TAG, (isChecked ? "Enabling" : "Disabling") + " SMS receiver");
80 
81                 pm.setComponentEnabledSetting(componentName,
82                         isChecked ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
83                                 : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
84                         PackageManager.DONT_KILL_APP);
85             }
86         });
87 
88         final EditText recipientTextEdit = (EditText) SmsMessagingDemo.this
89                 .findViewById(R.id.sms_recipient);
90         final EditText contentTextEdit = (EditText) SmsMessagingDemo.this
91                 .findViewById(R.id.sms_content);
92         final TextView statusView = (TextView) SmsMessagingDemo.this.findViewById(R.id.sms_status);
93 
94         // Watch for send button clicks and send text messages.
95         Button sendButton = (Button) findViewById(R.id.sms_send_message);
96         sendButton.setOnClickListener(new OnClickListener() {
97             public void onClick(View v) {
98                 if (TextUtils.isEmpty(recipientTextEdit.getText())) {
99                     Toast.makeText(SmsMessagingDemo.this, "Please enter a message recipient.",
100                             Toast.LENGTH_SHORT).show();
101                     return;
102                 }
103 
104                 if (TextUtils.isEmpty(contentTextEdit.getText())) {
105                     Toast.makeText(SmsMessagingDemo.this, "Please enter a message body.",
106                             Toast.LENGTH_SHORT).show();
107                     return;
108                 }
109 
110                 recipientTextEdit.setEnabled(false);
111                 contentTextEdit.setEnabled(false);
112 
113                 SmsManager sms = SmsManager.getDefault();
114 
115                 List<String> messages = sms.divideMessage(contentTextEdit.getText().toString());
116 
117                 String recipient = recipientTextEdit.getText().toString();
118                 for (String message : messages) {
119                     sms.sendTextMessage(recipient, null, message, PendingIntent.getBroadcast(
120                             SmsMessagingDemo.this, 0, new Intent(ACTION_SMS_SENT), 0), null);
121                 }
122             }
123         });
124 
125         // Register broadcast receivers for SMS sent and delivered intents
126         registerReceiver(new BroadcastReceiver() {
127             @Override
128             public void onReceive(Context context, Intent intent) {
129                 String message = null;
130                 boolean error = true;
131                 switch (getResultCode()) {
132                 case Activity.RESULT_OK:
133                     message = "Message sent!";
134                     error = false;
135                     break;
136                 case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
137                     message = "Error.";
138                     break;
139                 case SmsManager.RESULT_ERROR_NO_SERVICE:
140                     message = "Error: No service.";
141                     break;
142                 case SmsManager.RESULT_ERROR_NULL_PDU:
143                     message = "Error: Null PDU.";
144                     break;
145                 case SmsManager.RESULT_ERROR_RADIO_OFF:
146                     message = "Error: Radio off.";
147                     break;
148                 }
149 
150                 recipientTextEdit.setEnabled(true);
151                 contentTextEdit.setEnabled(true);
152                 contentTextEdit.setText("");
153 
154                 statusView.setText(message);
155                 statusView.setTextColor(error ? Color.RED : Color.GREEN);
156             }
157         }, new IntentFilter(ACTION_SMS_SENT));
158     }
159 }
160