Android模仿用户设置密码实例

2024-02-27 22:04:03 195

首先有2个对话框，没有设置过密码，需要设置dialog_set_password.xml，用户设置过密码，不需要设置，直接输入密码dialog_input_password.xml，

设置对话框dialog_set_password.xml

输入对话框dialog_input_password.xml，

业务逻辑并实现md5加密

packagecom.ldw.safe.Activity;
importandroid.app.Activity;
importandroid.app.AlertDialog;
importandroid.content.Intent;
importandroid.content.SharedPreferences;
importandroid.os.Bundle;
importandroid.text.TextUtils;
importandroid.view.View;
importandroid.view.View.OnClickListener;
importandroid.view.ViewGroup;
importandroid.widget.AdapterView;
importandroid.widget.AdapterView.OnItemClickListener;
importandroid.widget.BaseAdapter;
importandroid.widget.Button;
importandroid.widget.EditText;
importandroid.widget.GridView;
importandroid.widget.ImageView;
importandroid.widget.TextView;
importandroid.widget.Toast;
importcom.ldw.safe.R;
importcom.ldw.safe.utils.MD5Utils;
publicclassHomeActivityextendsActivity{
privateGridViewgv_home;
privateString[]mItems=newString[]{"手机防盗","通讯卫士","软件管理","进程管理","流量统计","手机杀毒","缓存清理","高级工具","设置中心"};
privateint[]mPics=newint[]{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};
privateSharedPreferencesmPref;
@Override
protectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
mPref=getSharedPreferences("config",MODE_PRIVATE);
gv_home=(GridView)findViewById(R.id.gv_home);
gv_home.setAdapter(newHomeAdapter());
//监听gridview点击事件
gv_home.setOnItemClickListener(newOnItemClickListener(){
@Override
publicvoidonItemClick(AdapterViewparent,Viewview,
intposition,longid){
switch(position){
case0:
//手机防盗
showPasswordDialog();
break;
case8:
//设置中心
startActivity(newIntent(HomeActivity.this,SettingActivity.class));
break;
default:
break;
}
}
});
}
/*
*显示密码的弹窗
*/
protectedvoidshowPasswordDialog(){
//判断是否设置密码
StringsavePassword=mPref.getString("password",null);
if(!TextUtils.isEmpty(savePassword)){
//输入密码的弹窗
showPasswordInputDialog();
}else{
//如果没有设置过，弹出密码设置的弹窗
showPasswordSetDialog();
}
}
/*
*输入密码框，设置过密码只需要登陆
*/
protectedvoidshowPasswordInputDialog(){
AlertDialog.Builderbuilder=newAlertDialog.Builder(this);
finalAlertDialogdialog=builder.create();
Viewview=View.inflate(this,R.layout.dialog_input_password,null);
//dialog.setView(view);//自定义的view设置到dialog
dialog.setView(view,0,0,0,0);//设置边距为0，兼容android2.3
finalEditTextetPassword=(EditText)view.findViewById(R.id.et_password);
//获取2个按键
ButtonbtnOk=(Button)view.findViewById(R.id.btn_ok);
ButtonbtnCancle=(Button)view.findViewById(R.id.btn_cancle);
//监听ok按键
btnOk.setOnClickListener(newOnClickListener(){
@Override
publicvoidonClick(Viewv){
Stringpassword=etPassword.getText().toString();
if(!TextUtils.isEmpty(password)){
StringsavePassword=mPref.getString("password",null);
if(MD5Utils.encode(password).equals(savePassword)){
Toast.makeText(HomeActivity.this,"登陆成功",Toast.LENGTH_SHORT).show();
//对话框消失
dialog.dismiss();
//跳转到手机防盗界面
startActivity(newIntent(HomeActivity.this,LostAndFind.class));
}else{
Toast.makeText(HomeActivity.this,"登陆失败",Toast.LENGTH_SHORT).show();
}
}else{
Toast.makeText(HomeActivity.this,"输入框不能是空的",Toast.LENGTH_SHORT).show();
}
}
});
//监听取消按键
btnCancle.setOnClickListener(newOnClickListener(){
@Override
publicvoidonClick(Viewv){
dialog.dismiss();
}
});
dialog.show();
}
/*
*设置密码的弹窗,以前没有设置密码
*/
protectedvoidshowPasswordSetDialog(){
AlertDialog.Builderbuilder=newAlertDialog.Builder(this);
finalAlertDialogdialog=builder.create();
Viewview=View.inflate(this,R.layout.dialog_set_password,null);
//dialog.setView(view);//自定义的view设置到dialog
dialog.setView(view,0,0,0,0);//设置边距为0，兼容android2.3
finalEditTextetPassword=(EditText)view.findViewById(R.id.et_password);
finalEditTextetPasswordConfirm=(EditText)view.findViewById(R.id.et_password_confirm);
//获取2个按键
ButtonbtnOk=(Button)view.findViewById(R.id.btn_ok);
ButtonbtnCancle=(Button)view.findViewById(R.id.btn_cancle);
//监听ok按键
btnOk.setOnClickListener(newOnClickListener(){
@Override
publicvoidonClick(Viewv){
Stringpassword=etPassword.getText().toString();
StringpasswordConfirm=etPasswordConfirm.getText().toString();
//TextUtils.isEmpty(password)判断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,"登陆成功",Toast.LENGTH_SHORT).show();
//保存密码到mPref
mPref.edit().putString("password",MD5Utils.encode(password)).commit();
//对话框消失
dialog.dismiss();
//跳转到手机防盗界面
startActivity(newIntent(HomeActivity.this,LostAndFind.class));
}else{
Toast.makeText(HomeActivity.this,"两次密码不一致",Toast.LENGTH_SHORT).show();
}
}else{
Toast.makeText(HomeActivity.this,"输入框不能是空的",Toast.LENGTH_SHORT).show();
}
}
});
//监听取消按键
btnCancle.setOnClickListener(newOnClickListener(){
@Override
publicvoidonClick(Viewv){
dialog.dismiss();
}
});
dialog.show();
}
classHomeAdapterextendsBaseAdapter{
@Override
publicintgetCount(){
//TODOAuto-generatedmethodstub
returnmItems.length;
}
@Override
publicObjectgetItem(intposition){
//TODOAuto-generatedmethodstub
returnmItems[position];
}
@Override
publiclonggetItemId(intposition){
//TODOAuto-generatedmethodstub
returnposition;
}
@Override
publicViewgetView(intposition,ViewconvertView,ViewGroupparent){
Viewview=View.inflate(HomeActivity.this,R.layout.home_list_item,null);
ImageViewiv_item=(ImageView)view.findViewById(R.id.iv_item);
TextViewtv_item=(TextView)view.findViewById(R.id.tv_item);
iv_item.setImageResource(mPics[position]);
tv_item.setText(mItems[position]);
returnview;
}
}
}

以上所述是小编给大家介绍的Android模仿用户设置密码实例，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对毛票票网站的支持！

Android模仿用户设置密码实例

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