PHP后端android项目(二)登录界面

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PHP后端android项目(二)登录界面

代码：

https://code.csdn.net/u012995856/androidpro/tree/master

效果：

这里写图片描述

xml文件布局：

这里写图片描述
Android Studio IDE用户体验很好.每项功能都便于开发者.

activity_login.xml

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/activity_main"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context="com.huijiasoft.androidpro.LoginActivity">    <LinearLayout        android:orientation="vertical"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_alignParentTop="true"        android:layout_alignParentStart="true">        <ImageView            android:layout_width="match_parent"            android:layout_height="wrap_content"            app:srcCompat="@drawable/logo"            android:id="@+id/imageView" />        <LinearLayout            android:orientation="horizontal"            android:layout_width="match_parent"            android:layout_height="wrap_content">            <TextView                android:text="@string/email"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:id="@+id/email"                android:layout_weight="0.25" />            <EditText                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:inputType="textEmailAddress"                android:labelFor="@id/email"                android:ems="10"                android:id="@+id/editText2"                android:layout_weight="0.25" />        </LinearLayout>        <LinearLayout            android:orientation="horizontal"            android:layout_width="match_parent"            android:layout_height="wrap_content">            <TextView                android:text="@string/password"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:id="@+id/pwd"                android:layout_weight="1" />            <EditText                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:inputType="numberPassword"                android:labelFor="@id/pwd"                android:ems="10"                android:id="@+id/editText3"                android:layout_weight="1" />        </LinearLayout>        <Button            android:text="@string/login"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:id="@+id/btn_login" />    </LinearLayout></RelativeLayout>

strings.xml

<resources>    <string name="app_name">汇佳OA</string>    <string name="email">邮件</string>    <string name="password">密码</string>    <string name="login">登录</string>    <string name="department">部门</string>    <string name="staff">员工</string>    <string name="title_activity_about">AboutActivity</string></resources>

LoginActivity.java

package com.huijiasoft.androidpro;import android.content.Intent;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.Toast;import cn.jpush.android.api.JPushInterface;/*    author:pangPython    func:   登录界面的逻辑代码 * */public class LoginActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_login);        //初始化JPush极光推送SDK        JPushInterface.setDebugMode(true);        JPushInterface.init(this);        //登录按钮        final Button btn_login = (Button) findViewById(R.id.btn_login);        //按钮点击监听器        btn_login.setOnClickListener(login_onclickListener);    }    //登录事件    private View.OnClickListener login_onclickListener = new View.OnClickListener(){        @Override        public void onClick(View view) {            //弹出toast            Toast.makeText(getApplicationContext(),"登录成功！",Toast.LENGTH_LONG).show();            //跳转进入MainActivity            Intent intent = new Intent(LoginActivity.this,MainActivity.class);            LoginActivity.this.startActivity(intent);        }    };}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.huijiasoft.androidpro">    <!-- Required -->    <permission        android:name="com.huijiasoft.androidpro.permission.JPUSH_MESSAGE"        android:protectionLevel="signature" />    <!-- Required  一些系统要求的权限，如访问网络等-->    <uses-permission android:name="com.huijiasoft.androidpro.permission.JPUSH_MESSAGE" />    <uses-permission android:name="android.permission.RECEIVE_USER_PRESENT" />    <uses-permission android:name="android.permission.INTERNET" />    <uses-permission android:name="android.permission.WAKE_LOCK" />    <uses-permission android:name="android.permission.READ_PHONE_STATE" />    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />    <uses-permission android:name="android.permission.WRITE_SETTINGS" />    <uses-permission android:name="android.permission.VIBRATE" />    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />    <!-- Optional for location -->    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" /> <!-- 用于开启 debug 版本的应用在6.0 系统上 层叠窗口权限 -->    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />    <uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS" />    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />    <uses-permission android:name="android.permission.GET_TASKS" />    <application        android:allowBackup="true"        android:icon="@mipmap/ic_launcher"        android:label="@string/app_name"        android:supportsRtl="true"        android:theme="@style/AppTheme">        <activity android:name=".LoginActivity">            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>        <activity android:name=".MainActivity" />        <activity android:name=".DepartmentActivity" />        <activity android:name=".StaffActivity" />        <activity android:name=".ProjectActivity" />        <activity android:name=".NewsActivity" />        <activity android:name=".NoticeActivity" />        <activity android:name=".HonorActivity" />        <activity android:name=".AchievementActivity" />        <activity android:name=".SetupActivity" />        <activity            android:name=".AboutActivity"            android:label="@string/title_activity_about"            android:theme="@style/AppTheme.NoActionBar"></activity>    </application></manifest>

声明APP中要用到的权限,注册每一个Activity
相应Activity如果要作为第一个启动，把

<intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>

加入相应的Activity节点中.

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