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;@Overrideprotected 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();}@Overridepublic void showPre() {Intent intent = new Intent(this, SecGuide2Activity.class);startActivity(intent);finish();}@Overridepublic 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();}/*** 选择联系人*/public void selectContacts(View v) {Intent intent = new Intent(this, SelectContactsActivity.class);startActivityForResult(intent, 0);}@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {// TODO Auto-generated method stubsuper.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;/*** 选择联系人* @author taoshihan**/public class SelectContactsActivity extends Activity {private ListView lv_select_contacts;private List> contacts;@Overrideprotected 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() {@Overridepublic 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();}});}}

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