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(); } /** * 选择联系人 */ 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; /** * 选择联系人 * @author taoshihan * */ public class SelectContactsActivity extends Activity { private ListView lv_select_contacts; private List<Map<String,String>> 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(); } }); } }
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