初識安卓小程序(Android短信發送器)
首先,先創建一個安卓項目(我的版本號是4.4.2的),名字為"短信發送器"
然後在res目錄下找到layout目錄,找到activity_main.xml或fragment_main.xml,在裏面輸入或拖拽button
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.csdn.sms.MainActivity$PlaceholderFragment" > <TextView android:id="@+id/pl_input_number" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:text="@string/please_input_number" android:textAppearance="?android:attr/textAppearanceMedium" /> <EditText android:id="@+id/input_number" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_below="@+id/pl_input_number" android:layout_marginTop="22dp" android:ems="10" android:inputType="phone" /> <TextView android:id="@+id/pl_content" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignLeft="@+id/input_number" android:layout_below="@+id/input_number" android:layout_marginTop="47dp" android:text="@string/dx_content" android:textAppearance="?
android:attr/textAppearanceLarge" /> <EditText android:id="@+id/content" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/pl_content" android:layout_below="@+id/pl_content" android:layout_marginTop="22dp" android:ems="10" android:inputType="textMultiLine" > <requestFocus /> </EditText> <Button android:id="@+id/dx_send" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/content" android:layout_below="@+id/content" android:layout_marginTop="64dp" android:text="@string/dx_send" /> </RelativeLayout>
最後在src下的java文件中MainActivity.java
package com.csdn.sms; import java.util.ArrayList; import android.app.Activity; import android.os.Bundle; import android.telephony.SmsManager; import android.text.TextUtils; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends Activity { private Button dx_send; private EditText dx_content, dx_number; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.fragment_main); dx_content = (EditText) this.findViewById(R.id.content); dx_number = (EditText) this.findViewById(R.id.input_number); dx_send = (Button) this.findViewById(R.id.dx_send); //第一種方法:通過點擊事件來完畢 dx_send.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { switch (v.getId()) { case R.id.dx_send: String content = dx_content.getText().toString().trim(); String number = dx_number.getText().toString().trim(); if (TextUtils.isEmpty(content) || TextUtils.isEmpty(number)) { Toast.makeText(MainActivity.this, "電話號碼不能為空", Toast.LENGTH_SHORT).show(); return; } else { // 短信管理器 SmsManager smsManager = SmsManager.getDefault(); // 假設超過字數限制,則自己主動拆分短信 ArrayList<String> c = smsManager.divideMessage(content); for (String str : c) { smsManager.sendTextMessage(number, null, str, null, null); } } break; } } }); } //另外一種:通過讓該類實現 OnClickListener接口來重寫方法完畢,和上面點擊方法的內容是一樣的 @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; } }
初識安卓小程序(Android短信發送器)