淺析Android手機衛士儲存手機安全號碼_Android

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調用ListView對象的setOnItemClickListener()方法，設定條目的點擊事件，參數：OnItemClickListener對象

使用匿名內部類實現，重寫onClick()方法，傳遞進來的參數：ListView，當前View，position,id

根據索引位置把當前這條電話號碼傳回去

調用List對象的get()方法，得到Map，調用get(key)方法，得到這條電話

調用setResult()方法，返回去資料，參數：響應碼，Intent對象

擷取Intent對象，new出來

調用Intent對象的putExtra(key,val)，把電話放進去

調用finish()方法關閉當前頁面

開啟這個的activity使用的是startActivityForResult()

重寫onActivityResult()方法，傳遞進來Intent對象

判斷Intent對象是否為null

調用Intent對象的getStringExtra()方法，擷取到電話號碼

把電話放在Edittext上，當點擊下一步的時候儲存到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, "請填寫安全號碼", 1).show();return;}Editor editor = sp.edit();editor.putString("secphone", phone);editor.commit();Intent intent = new Intent(this, SecGuide4Activity.class);startActivity(intent);finish();}/*** 選擇連絡人*/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;/*** 選擇連絡人* @author taoshihan**/public class SelectContactsActivity extends Activity {private ListView lv_select_contacts;private List<Map<String,String>> 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();}});}}