记住密码

1. <RelativeLayout  
2.         android:layout_width="fill_parent"  
3.         android:layout_height="wrap_content" >  
4.         <ImageButton   
5.             android:id="@+id/img_btn"  
6.             android:layout_width="wrap_content"  
7.             android:layout_height="wrap_content"  
8.             android:layout_alignParentRight="true"  
9.             android:background="@drawable/quit"/>  
10.   
11.         <TextView  
12.             android:id="@+id/tv_zh"  
13.             android:layout_width="wrap_content"  
14.             android:layout_height="35dip"  
15.             android:layout_marginLeft="12dip"  
16.             android:layout_marginTop="10dip"  
17.             android:gravity="bottom"  
18.             android:text="帐号:"  
19.             android:textColor="#000000"  
20.             android:textSize="18sp" />  
21.   
22.         <EditText  
23.             android:id="@+id/et_zh"  
24.             android:layout_width="fill_parent"  
25.             android:layout_height="40dip"  
26.             android:layout_below="@id/tv_zh"  
27.             android:layout_marginLeft="12dip"  
28.             android:layout_marginRight="10dip" />  
29.   
30.         <TextView  
31.             android:id="@+id/tv_mima"  
32.             android:layout_width="wrap_content"  
33.             android:layout_height="35dip"  
34.             android:layout_below="@id/et_zh"  
35.             android:layout_marginLeft="12dip"  
36.             android:layout_marginTop="10dip"  
37.             android:gravity="bottom"  
38.             android:text="密码:"  
39.             android:textColor="#000000"  
40.             android:textSize="18sp" />  
41.   
42.         <EditText  
43.             android:id="@+id/et_mima"  
44.             android:layout_width="fill_parent"  
45.             android:layout_height="40dip"  
46.             android:layout_below="@id/tv_mima"  
47.             android:layout_marginLeft="12dip"  
48.             android:layout_marginRight="10dip"  
49.             android:maxLines="200"  
50.             android:password="true"  
51.             android:scrollHorizontally="true" />  
52.   
53.         <CheckBox  
54.             android:id="@+id/cb_mima"  
55.             android:layout_width="wrap_content"  
56.             android:layout_height="wrap_content"  
57.             android:layout_below="@id/et_mima"  
58.             android:layout_marginLeft="12dip"  
59.             android:text="记住密码"  
60.             android:textColor="#000000" />  
61.   
62.         <CheckBox  
63.             android:id="@+id/cb_auto"  
64.             android:layout_width="wrap_content"  
65.             android:layout_height="wrap_content"  
66.             android:layout_below="@id/cb_mima"  
67.             android:layout_marginLeft="12dip"  
68.             android:text="自动登录"  
69.             android:textColor="#000000" />  
70.         <Button  
71.             android:id="@+id/btn_login"  
72.             android:layout_width="80dip"  
73.             android:layout_height="40dip"  
74.             android:layout_below="@id/et_mima"  
75.             android:layout_alignParentRight="true"  
76.             android:layout_alignTop="@id/cb_auto"  
77.             android:layout_marginRight="10dip"  
78.             android:gravity="center"  
79.             android:text="登录"  
80.             android:textColor="#000000"  
81.             android:textSize="18sp"/>  
82.   
83.           
84.     </RelativeLayout>  
85.       

2.主要代码

1.     //判断记住密码多选框的状态  
2.       if(sp.getBoolean("ISCHECK", false))  
3.         {  
4.           //设置默认是记录密码状态  
5.           rem_pw.setChecked(true);  
6.           userName.setText(sp.getString("USER_NAME", ""));  
7.           password.setText(sp.getString("PASSWORD", ""));  
8.           //判断自动登陆多选框状态  
9.           if(sp.getBoolean("AUTO_ISCHECK", false))  
10.           {  
11.                  //设置默认是自动登录状态  
12.                  auto_login.setChecked(true);  
13.                 //跳转界面  
14.                 Intent intent = new Intent(LoginActivity.this,LogoActivity.class);  
15.                 LoginActivity.this.startActivity(intent);  
16.           }  
17.         }  
18.           
19.         // 登录监听事件  现在默认为用户名为：admin 密码：123456  
20.         btn_login.setOnClickListener(new OnClickListener() {  
21.   
22.             public void onClick(View v) {  
23.                 userNameValue = userName.getText().toString();  
24.                 passwordValue = password.getText().toString();  
25.                   
26.                 if(userNameValue.equals("admin")&&passwordValue.equals("123456"))  
27.                 {  
28.                     Toast.makeText(LoginActivity.this,"登录成功", Toast.LENGTH_SHORT).show();  
29.                     //登录成功和记住密码框为选中状态才保存用户信息  
30.                     if(rem_pw.isChecked())  
31.                     {  
32.                      //记住用户名、密码、  
33.                       Editor editor = sp.edit();  
34.                       editor.putString("USER_NAME", userNameValue);  
35.                       editor.putString("PASSWORD",passwordValue);  
36.                       editor.commit();  
37.                     }  
38.                     //跳转界面  
39.                     Intent intent = new Intent(LoginActivity.this,LogoActivity.class);  
40.                     LoginActivity.this.startActivity(intent);  
41.                     //finish();  
42.                       
43.                 }else{  
44.                       
45.                     Toast.makeText(LoginActivity.this,"用户名或密码错误，请重新登录", Toast.LENGTH_LONG).show();  
46.                 }  
47.                   
48.             }  
49.         });  
50.   
51.         //监听记住密码多选框按钮事件  
52.         rem_pw.setOnCheckedChangeListener(new OnCheckedChangeListener() {  
53.             public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {  
54.                 if (rem_pw.isChecked()) {  
55.                       
56.                     System.out.println("记住密码已选中");  
57.                     sp.edit().putBoolean("ISCHECK", true).commit();  
58.                       
59.                 }else {  
60.                       
61.                     System.out.println("记住密码没有选中");  
62.                     sp.edit().putBoolean("ISCHECK", false).commit();  
63.                       
64.                 }  
65.   
66.             }  
67.         });  
68.           
69.         //监听自动登录多选框事件  
70.         auto_login.setOnCheckedChangeListener(new OnCheckedChangeListener() {  
71.             public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {  
72.                 if (auto_login.isChecked()) {  
73.                     System.out.println("自动登录已选中");  
74.                     sp.edit().putBoolean("AUTO_ISCHECK", true).commit();  
75.   
76.                 } else {  
77.                     System.out.println("自动登录没有选中");  
78.                     sp.edit().putBoolean("AUTO_ISCHECK", false).commit();  
79.                 }  
80.             }  
81.         });  
82.           
83.         btnQuit.setOnClickListener(new OnClickListener() {  
84.               
85.             @Override  
86.             public void onClick(View v) {  
87.                 finish();  
88.             }  
89.         });  
90.   
91.     }  
92. }