首先有2個對話框，沒有設(shè)置過密碼，需要設(shè)置dialog_set_password.xml，用戶設(shè)置過密碼，不需要設(shè)置，直接輸入密碼dialog_input_password.xml，
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設(shè)置對話框dialog_set_password.xml
<?xml version="1.0" encoding="utf-8"?>
輸入對話框dialog_input_password.xml，
<?xml version="1.0" encoding="utf-8"?>
業(yè)務(wù)邏輯并實(shí)現(xiàn)md5加密
重慶分公司
重慶分公司
package com.ldw.safe.Activity;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.ldw.safe.R;
import com.ldw.safe.utils.MD5Utils;
public class HomeActivity extends Activity{
private GridView gv_home;
private String[] mItems = new String[] {"手機(jī)防盜", "通訊衛(wèi)士", "軟件管理", "進(jìn)程管理", "流量統(tǒng)計(jì)", "手機(jī)殺毒", "緩存清理", "高級工具", "設(shè)置中心"};
private int[] mPics = new int[] {R.drawable.safe, R.drawable.callmsgsafe, R.drawable.app,
R.drawable.taskmanager, R.drawable.netmanager, R.drawable.sysoptimize,
R.drawable.trojan, R.drawable.atools, R.drawable.settings};
private SharedPreferences mPref;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
mPref = getSharedPreferences("config", MODE_PRIVATE);
gv_home = (GridView) findViewById(R.id.gv_home);
gv_home.setAdapter(new HomeAdapter());
//監(jiān)聽gridview點(diǎn)擊事件
gv_home.setOnItemClickListener(new OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
switch(position){
case 0:
//手機(jī)防盜
showPasswordDialog();
break;
case 8:
//設(shè)置中心
startActivity(new Intent(HomeActivity.this, SettingActivity.class));
break;
default:
break;
}
}
});
}
/*
* 顯示密碼的彈窗
*/
protected void showPasswordDialog(){
//判斷是否設(shè)置密碼
String savePassword = mPref.getString("password", null);
if(!TextUtils.isEmpty(savePassword)){
//輸入密碼的彈窗
showPasswordInputDialog();
}else{
//如果沒有設(shè)置過，彈出密碼設(shè)置的彈窗
showPasswordSetDialog();
}
}
/*
* 輸入密碼框，設(shè)置過密碼只需要登陸
*/
protected void showPasswordInputDialog(){
AlertDialog.Builder builder = new AlertDialog.Builder(this);
final AlertDialog dialog = builder.create();
View view = View.inflate(this, R.layout.dialog_input_password, null);
//dialog.setView(view);//自定義的view設(shè)置到dialog
dialog.setView(view, 0, 0, 0, 0);//設(shè)置邊距為0，兼容android2.3
final EditText etPassword = (EditText) view.findViewById(R.id.et_password);
//獲取2個按鍵
Button btnOk = (Button)view.findViewById(R.id.btn_ok);
Button btnCancle = (Button)view.findViewById(R.id.btn_cancle);
//監(jiān)聽ok按鍵
btnOk.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
String password = etPassword.getText().toString();
if(!TextUtils.isEmpty(password)){
String savePassword = mPref.getString("password", null);
if(MD5Utils.encode(password).equals(savePassword)){
Toast.makeText(HomeActivity.this, "登陸成功", Toast.LENGTH_SHORT).show();
//對話框消失
dialog.dismiss();
//跳轉(zhuǎn)到手機(jī)防盜界面
startActivity(new Intent(HomeActivity.this, LostAndFind.class));
}else{
Toast.makeText(HomeActivity.this, "登陸失敗", Toast.LENGTH_SHORT).show();
}
}else{
Toast.makeText(HomeActivity.this, "輸入框不能是空的", Toast.LENGTH_SHORT).show();
}
}
});
//監(jiān)聽取消按鍵
btnCancle.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
/*
* 設(shè)置密碼的彈窗,以前沒有設(shè)置密碼
*/
protected void showPasswordSetDialog(){
AlertDialog.Builder builder = new AlertDialog.Builder(this);
final AlertDialog dialog = builder.create();
View view = View.inflate(this, R.layout.dialog_set_password, null);
//dialog.setView(view);//自定義的view設(shè)置到dialog
dialog.setView(view, 0, 0, 0, 0);//設(shè)置邊距為0，兼容android2.3
final EditText etPassword = (EditText) view.findViewById(R.id.et_password);
final EditText etPasswordConfirm = (EditText) view.findViewById(R.id.et_password_confirm);
//獲取2個按鍵
Button btnOk = (Button)view.findViewById(R.id.btn_ok);
Button btnCancle = (Button)view.findViewById(R.id.btn_cancle);
//監(jiān)聽ok按鍵
btnOk.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
String password = etPassword.getText().toString();
String passwordConfirm = etPasswordConfirm.getText().toString();
//TextUtils.isEmpty(password)判斷password是不是空，可以避免都是空格
if(!TextUtils.isEmpty(password) && !passwordConfirm.isEmpty()){
if(password.equals(passwordConfirm)){
Toast.makeText(HomeActivity.this, "登陸成功", Toast.LENGTH_SHORT).show();
//保存密碼到mPref
mPref.edit().putString("password", MD5Utils.encode(password)).commit();
//對話框消失
dialog.dismiss();
//跳轉(zhuǎn)到手機(jī)防盜界面
startActivity(new Intent(HomeActivity.this, LostAndFind.class));
}else{
Toast.makeText(HomeActivity.this, "兩次密碼不一致", Toast.LENGTH_SHORT).show();
}
}else{
Toast.makeText(HomeActivity.this, "輸入框不能是空的", Toast.LENGTH_SHORT).show();
}
}
});
//監(jiān)聽取消按鍵
btnCancle.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
class HomeAdapter extends BaseAdapter{
@Override
public int getCount() {
// TODO Auto-generated method stub
return mItems.length;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return mItems[position];
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view = View.inflate(HomeActivity.this, R.layout.home_list_item, null);
ImageView iv_item = (ImageView) view.findViewById(R.id.iv_item);
TextView tv_item = (TextView) view.findViewById(R.id.tv_item);
iv_item.setImageResource(mPics[position]);
tv_item.setText(mItems[position]);
return view;
}
}
} 以上所述是小編給大家介紹的Android模仿用戶設(shè)置密碼實(shí)例，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復(fù)大家的。在此也非常感謝大家對創(chuàng)新互聯(lián)網(wǎng)站的支持！
