1.电话拨号器：
activity_main.xml
<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=".MainActivity" >
<EditText
android:id="@+id/editText1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="phone" >
</EditText>
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_below="@+id/editText1"
android:text="拨打电话" />//注意：如果想让这个XML文件没有感叹号，则需要在strings.xml配置
</RelativeLayout>
package com.csdn.duil;
import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.text.InputFilter.LengthFilter;
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 {
/**
* 点击事件方法
* 1.创建一个内部类定义点击事件
* 2.采用匿名内部类创建点击事件
* 3.接口里面未实现的方法（this）常见
* 4.在布局文件里面绑定一个点击的方法
*/
private Button btn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//加载布局文件
setContentView(R.layout.activity_main);
//查找到按钮
btn=(Button)this.findViewById(R.id.button1);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
EditText text=(EditText) MainActivity.this.findViewById(R.id.editText1);
//获取文本去空格
String number=text.getText().toString().trim();
//判断number是否是空
if(TextUtils.isEmpty(number)){
Toast.makeText(MainActivity.this,"号码不能为空",Toast.LENGTH_SHORT).show();
return;
}
//意图 想干一件什么事情
Intent intent=new Intent();
//打人
intent.setAction(Intent.ACTION_CALL);
//url统一资源定位符 uri更厉害，统一资源标识符
intent.setData(Uri.parse("tel:"+number));
startActivity(intent);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
2.短些发送器：
activity_main.xml
<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=".MainActivity" >
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText2"
android:layout_below="@+id/editText2"
android:layout_marginTop="21dp"
android:text="发送" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText1"
android:layout_alignParentTop="true"
android:text="@string/please_input_number"
android:textAppearance="?android:attr/textAppearanceLarge" />
<EditText
android:id="@+id/editText1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/textView1"
android:layout_marginTop="23dp"
android:ems="10"
/>
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText1"
android:layout_alignRight="@+id/editText1"
android:layout_below="@+id/editText1"
android:layout_marginTop="25dp"
android:text="请输入内容"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#ff0000" />
<EditText
android:lines="5"
android:id="@+id/editText2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/textView2"
android:layout_marginTop="25dp"
android:ems="10"
android:inputType="textMultiLine" >
<requestFocus />
</EditText>
</RelativeLayout>
MainActivity.java
package com.csdn.sms;
import java.util.ArrayList;
import android.os.Bundle;
import android.app.Activity;
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 implements OnClickListener {
private Button btn_send;
private EditText text1;
private EditText text2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
text1=(EditText) this.findViewById(R.id.editText1);
text2=(EditText) this.findViewById(R.id.editText2);
btn_send=(Button) this.findViewById(R.id.button1);
btn_send.setOnClickListener(this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button1:
String number=text1.getText().toString().trim();
String context=text2.getText().toString().trim();
if(TextUtils.isEmpty(context)||TextUtils.isEmpty(number)){
Toast.makeText(this, "电话号码或者内容不能为空",Toast.LENGTH_SHORT).show();
return;
}else{
SmsManager smsManager=SmsManager.getDefault();
//彩信
//smsManager.sendTextMessage(number,null, context, null, null);
//发送多条短信
ArrayList<String> contents=smsManager.divideMessage(context);
for(String str:contents){
smsManager.sendTextMessage(number,null, str, null, null);
}
}
break;
default:
break;
}
}
}