import java.util.ArrayList;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.telephony.SmsManager;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;
public class GroupSend extends Activity {
EditText numbers;
EditText content;
Button select;
Button send;
SmsManager sManager;
//记录需要群发的号码列表
ArrayList<String> sendList = new ArrayList<String>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sManager = SmsManager.getDefault();
//获取界面上的文本框、按钮组件
numbers = (EditText) findViewById(R.id.numbers);
content = (EditText) findViewById(R.id.content);
select = (Button) findViewById(R.id.search);
send = (Button) findViewById(R.id.send);
//为send按钮的单击事件绑定监听器
send.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
for(String number : sendList){
//创建一个PendingIntent对象
PendingIntent pi = PendingIntent.getActivity(
GroupSend.this, 0, new Intent(),0);
//发送短信
sManager.sendTextMessage(number, null,
content.getText().toString(), pi, null);
}
//提示短信群发完成
Toast.makeText(GroupSend.this, "短信群发完成！", 8000).show();
}
});
//为select按钮的单击事件绑定监听器
select.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// 查询联系人的电话号码
final Cursor cursor = getContentResolver().query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null, null, null, null);
BaseAdapter adapter = new BaseAdapter() {
@Override
public View getView(int position, View convertView, ViewGroup parent) {
cursor.moveToPosition(position);
CheckBox rb = new CheckBox(GroupSend.this);
//获取联系人的电话号码，并去掉中间的中划线
String number = cursor.getString(
cursor.getColumnIndex(ContactsContract.
CommonDataKinds.Phone.NUMBER)).replace("-", "");
rb.setText(number);
//如果该号码已经被加入发送人名单，默认勾选该号码
if(isChecked(number)){
rb.setChecked(true);
}
return rb;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public int getCount() {
return cursor.getCount();
}
};
//加载list.xml布局文件对应的View
View selectView = getLayoutInflater().inflate(
R.layout.list, null);
//获取selectView中的名为list的ListView组件
final ListView listView =
(ListView) selectView.findViewById(R.id.list);
listView.setAdapter(adapter);
new AlertDialog.Builder(GroupSend.this).setView(selectView)
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// 清空sendList集合
sendList.clear();
//遍历ListView组件的每个列表项
for(int i = 0 ;i<listView.getCount();i++){
CheckBox checkBox = (CheckBox) listView.getChildAt(i);
//如果该列表项被勾选
if(checkBox.isChecked()){
//添加该列表项的电话号码
sendList.add(checkBox.getText().toString());
}
}
numbers.setText(sendList.toString());
}
}).show();
}
});
}
//判断某个号码是否已在群发范围内
public boolean isChecked(String phone){
for(String s1 : sendList){
if(s1.equals(phone)){
return true;
}
}
return false;
}
}