浅析Android手机卫士保存手机安全号码

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调用ListView对象的setonItemClickListener()方法，设置条目的点击事件，参数：OnItemClickListener对象

使用匿名内部类实现，重写onClick()方法，传递进来的参数：ListView，当前View，position,id

根据索引位置把当前这条电话号码传回去

调用List对象的get()方法，得到Map，调用get(key)方法，得到这条电话

调用setResult()方法，返回去数据，参数：响应码，Intent对象

获取Intent对象，new出来

调用Intent对象的putExtra(key,val)，把电话放进去

调用finish()方法关闭当前页面

开启这个的activity使用的是startActivityForResult()

重写onActivityResult()方法，传递进来Intent对象

判断Intent对象是否为null

调用Intent对象的getStringExtra()方法，获取到电话号码

把电话放在Edittext上，当点击下一步的时候保存到SP中

activity

package com.qingguow.mobilesafe;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
public class SecGuide3Activity extends baseSecGuideActivity {
private EditText et_sec_phone;
private SharedPreferences sp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_lost_find3);
et_sec_phone = (EditText) findViewById(R.id.et_sec_phone);
sp = getSharedPreferences("config", MODE_PRIVATE);
String phone = sp.getString("secphone", "");
et_sec_phone.setText(phone);
}
public void nextStep(View v) {
showNext();
}
public void preStep(View v) {
showPre();
}
@Override
public void showPre() {
Intent intent = new Intent(this, SecGuide2Activity.class);
startActivity(intent);
finish();
}
@Override
public void showNext() {
String phone = et_sec_phone.getText().toString().trim();
if (TextUtils.isEmpty(phone)) {
Toast.makeText(this, "请填写安全号码", 1).show();
return;
}
Editor editor = sp.edit();
editor.putString("secphone", phone);
editor.commit();
Intent intent = new Intent(this, SecGuide4Activity.class);
startActivity(intent);
finish();
}

public void selectContacts(View v) {
Intent intent = new Intent(this, SelectContactsActivity.class);
startActivityForResult(intent, 0);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
if (data != null) {
String phone = data.getStringExtra("phone").replace("-", "")
.replace(" ", "");
et_sec_phone.setText(phone);
}
}
} 

SelectContactsActivity

package com.qingguow.mobilesafe;
import java.util.List;
import java.util.Map;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import com.qingguow.mobilesafe.utils.PhoneContactsUtil;

public class SelectContactsActivity extends Activity {
private ListView lv_select_contacts;
private List> contacts;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_select_contacts);
lv_select_contacts=(ListView) findViewById(R.id.lv_select_contacts);
contacts=PhoneContactsUtil.getContacts(this);
lv_select_contacts.setAdapter(new SimpleAdapter(this, contacts, R.layout.select_contacts_item, new String[]{"name","phone"}, new int[]{R.id.tv_contact_name,R.id.tv_contact_phone}));
lv_select_contacts.setonItemClickListener(new onItemClickListener() {
@Override
public void onItemClick(AdapterView arg0, View arg1, int position,
long arg3) {
String phone=contacts.get(position).get("phone");
Intent data=new Intent();
data.putExtra("phone", phone);
setResult(0, data);
finish();
}
});
}
}