Android存储方式有很多种,在这里所用的存储方式是SharedPreferrences,其采用了地图数据结构来存储数据,以键值的方式存储,可以简单的读取与写入。所以比较适合我们今天做的这个项目。我们来看一下运行图:
<强>一。布局界面
1. login_top.xml
& lt; & # 63; xml version=" 1.0 " encoding=" utf - 8 " & # 63;比;
& lt; RelativeLayout xmlns: android=" http://schemas.android.com/apk/res/android "
android:取向=按怪薄?
android: layout_width=" match_parent "
android: layout_height=" wrap_content "
android:填充=" @dimen/activity_horizontal_margin”
android:背景=癅drawable/logintop_roundbg”比;
EditText & lt;
android: id=癅 + id/etName”
android: layout_width=" match_parent "
android: layout_height=" wrap_content "
android: ems=" 10 "
android: drawablePadding=" 10 dp”
android:背景=" @android:可拉的/edit_text”
android: drawableLeft=" @drawable/icon_user”
android:提示=癅string/etName”比;
& lt; requestFocus> & lt;/requestFocus>
& lt;/EditText>
EditText & lt;
android: id=癅 + id/etPassword”
android: layout_width=" match_parent "
android: layout_height=" wrap_content "
android: layout_below=" @ id/etName”
android: inputType=" textPassword "
android: ems=" 10 "
android: drawablePadding=" 10 dp”
android:背景=" @android:可拉的/edit_text”
android: drawableLeft=" @drawable/icon_pass”
android:提示=癅string/etpassword”比;
& lt; requestFocus> & lt;/requestFocus>
& lt;/EditText>
& lt;复选框
android: id=癅 + id/cbremenber”
android: layout_width=" wrap_content "
android: layout_height=" wrap_content "
android: layout_below=" @ id/etPassword”
android:文本=癅string/cbpass”/比;
LinearLayout & lt;
android: layout_width=" match_parent "
android: layout_height=" wrap_content "
android: layout_below=癅 id/cbremenber”比;
& lt;按钮
android: id=癅 + id/btnlogin”
android: layout_width=" 0 dp”
android: layout_height=" wrap_content "
android: layout_weight=" 1 "
android:背景=" @drawable/btnselect”
android:文本=" @string/btnlogin”
android: onClick="登录"/比;
& lt;按钮
android: id=癅 + id/btnRegister”
android: layout_width=" 0 dp”
android: layout_height=" wrap_content "
android: layout_weight=" 1 "
android:背景=" @drawable/btnselect”
android:文本=" @string/btnRegister”
android: layout_marginLeft=" 10 dp/比;
& lt;/LinearLayout>
& lt;/RelativeLayout>
之前
activity_main 2.。xml
& lt; & # 63; xml version=" 1.0 " encoding=" utf - 8 " & # 63;比;
& lt; RelativeLayout xmlns: android=" http://schemas.android.com/apk/res/android "
xmlns:工具=" http://schemas.android.com/tools "
android: id=癅 + id/activity_main”
android: layout_width=" match_parent "
android: layout_height=" match_parent "
android:背景=" @drawable/loginbg”
工具:上下文=癱n.edu.bzu.logindemo.MainActivity”比;
& lt;包括布局=癅layout/login_top”祝辞& lt;/include>
& lt; ImageView
android: layout_width=" wrap_content "
android: layout_height=" wrap_content "
android:背景=" @drawable/鹿”
android: layout_alignParentBottom=" true "
android: layout_alignParentRight=" true "
android: layout_alignParentEnd=" true "/比;
& lt;/RelativeLayout>
之前
activity_welcome 3.。xml
& lt; & # 63; xml version=" 1.0 " encoding=" utf - 8 " & # 63;比;
& lt; RelativeLayout xmlns: android=" http://schemas.android.com/apk/res/android "
xmlns:工具=" http://schemas.android.com/tools "
android: id=癅 + id/activity_welcome”
android: layout_width=" match_parent "
android: layout_height=" match_parent "
工具:上下文=癱n.edu.bzu.logindemo.WelcomeActivity”比;
& lt; TextView
android: id=癅 + id/tvwelcome”
android:文本=盎队恪?
android: layout_width=" wrap_content "
android: layout_height=" wrap_content "
android: layout_alignParentTop=" true "
android: layout_centerHorizontal=" true "
android: layout_marginTop=" 200 dp”
android: textSize=" 40 sp”/比;
& lt;/RelativeLayout>
