Android small function implementation-send SMS, android send SMS

Android small function implementation-send SMS, android send SMS
Create an Android project.


1 Layout
Open main. xml and modify the content as follows:

 <TextView  android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:text="@string/number" />  <EditText   android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:inputType="text"   android:id="@+id/number"/>  <TextView  android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:text="@string/content" />  <EditText   android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:inputType="text"   android:minLines="3"  android:id="@+id/content"/>  <Button   android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:text="@string/button"  android:id="@+id/button" />

Binary definition string
Open strings. xml and add the following content:

<String name = "number"> enter the mobile phone number </string> <string name = "content"> enter the text message content </string> <string name = "button"> send SMS </string> <string name = "success"> sent successfully </string>

3. Response to click events
Open MainActivity. java and add the following code:

Public EditText numberText; public EditText contentText; public void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. main); numberText = (EditText) this. findViewById (R. id. number); contentText = (EditText) this. findViewById (R. id. contentText); Button button = (Button) this. findViewById (R. id. button); button. setOnClickListener (new ButtonClickListener ();} private final class ButtonClickListener implements View. onClickListener {public void onClick (View v) {String number = numberText. getText (). toString (); String content = contentText. getText (). toString (); SmsManager manger = SmsManager. getDefault (); // The number of characters in the text message. If 36 characters are left blank, ArrayList <String> texts = manger. divideMessage (content); for (String text: texts) {// parameter: Number, center address, content, sending status, whether the recipient receives status manger. sendTextMessage (number, null, text, null, null);} // notify the user Toast after the SMS is sent. makeText (getApplicationContext (), R. string. success, Toast. LENGTH_LONG ). show ();}}

4. Add Permissions

Add permissions to Manifest. xml:

<uses-permission android:name="android.permission.SEND_SMS"/>