安卓作业—自动登录

来源：互联网发布：2016百度最新算法3.0 编辑：程序博客网时间：2024/04/29 22:45

<h2 style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial; line-height: 26px;">1.activity_main.xml</h2>

1.<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  2.    xmlns:tools="http://schemas.android.com/tools"  3.    android:layout_width="match_parent"  4.    android:layout_height="match_parent"  5.    android:orientation="vertical"  6.    android:background="@drawable/loginbg"  7.    android:paddingBottom="@dimen/activity_vertical_margin"  8.    android:paddingLeft="@dimen/activity_horizontal_margin"  9.    android:paddingRight="@dimen/activity_horizontal_margin"  10.    android:paddingTop="@dimen/activity_vertical_margin"  11.    tools:context=".MainActivity" >  12.  13.  <include layout="@layout/login_top"/>   14.  <include layout="@layout/login_bottom"/>"  15.  16.</LinearLayout>

<h2 style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: Arial; line-height: 26px;">2.login_top.xml</h2>

<pre name="code" class="html"><?xml version="1.0" encoding="utf-8"?>  <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:background="@drawable/btnbg_roundcorner"      android:paddingBottom="@dimen/activity_vertical_margin"      android:paddingLeft="@dimen/activity_horizontal_margin"      android:paddingRight="@dimen/activity_horizontal_margin"      android:paddingTop="@dimen/activity_vertical_margin" >        <TextView          android:id="@+id/tvUsername"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_alignParentLeft="true"          android:layout_alignParentTop="true"          android:text="@string/tvName"          android:textAppearance="?android:attr/textAppearanceMedium" />        <EditText          android:id="@+id/etUsername"          android:layout_width="match_parent"          android:layout_height="wrap_content"          android:layout_alignLeft="@+id/tvUsername"          android:layout_below="@+id/tvUsername"          android:background="@android:drawable/edit_text"          android:ems="10" >            <requestFocus />      </EditText>        <TextView          android:id="@+id/tvPassword"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_alignLeft="@+id/etUsername"          android:layout_below="@+id/etUsername"          android:text="@string/tvPassword"          android:textAppearance="?android:attr/textAppearanceMedium" />        <EditText          android:id="@+id/etPassword"          android:layout_width="match_parent"          android:layout_height="wrap_content"          android:layout_alignLeft="@+id/tvPassword"          android:layout_below="@+id/tvPassword"          android:layout_marginTop="16dp"          android:background="@android:drawable/edit_text"          android:ems="10"          android:inputType="textPassword" />        <Button          android:id="@+id/btnLogin"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_alignRight="@+id/etPassword"          android:layout_below="@+id/etPassword"          android:layout_marginTop="20dp"          android:background="#FF72CAE1"          android:text="@string/btnLogin" />        <CheckBox          android:id="@+id/cbRememberPass"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_alignLeft="@+id/etPassword"          android:layout_alignTop="@+id/btnLogin"          android:text="记住密码" />        <CheckBox          android:id="@+id/cbZddl"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_alignLeft="@+id/cbRememberPass"          android:layout_below="@+id/cbRememberPass"          android:text="自动登录" />    </RelativeLayout>

3.login_bottom.xml

<?xml version="1.0" encoding="utf-8"?>  <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"      android:layout_width="match_parent"      android:layout_height="wrap_content" >        <TextView          android:id="@+id/tvRegist"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_alignParentLeft="true"          android:layout_alignParentTop="true"          android:layout_marginLeft="21dp"          android:layout_marginTop="18dp"          android:text="@string/tvRegister"          android:autoLink="all"          android:textColorLink="#FF0066CC" />        <ImageView          android:id="@+id/imageView1"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_alignParentBottom="true"          android:layout_alignParentRight="true"          android:layout_marginBottom="24dp"          android:src="@drawable/panda" />        <ImageView          android:id="@+id/imageView2"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_alignParentBottom="true"          android:layout_centerHorizontal="true"          android:layout_marginBottom="28dp"          android:src="@drawable/icon" />    </RelativeLayout>

4.chenggong.xml

<?xml version="1.0" encoding="utf-8"?>  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"      android:layout_width="match_parent"      android:layout_height="match_parent"      android:orientation="vertical" >        <TextView          android:id="@+id/textView1"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:text="登陆成功"          android:textAppearance="?android:attr/textAppearanceLarge" />    </LinearLayout>

5.btnbg_roundcorner.xml

<?xml version="1.0" encoding="utf-8"?>  <shape xmlns:android="http://schemas.android.com/apk/res/android" >      <solid android:color="#55FFFFFF"/>      <corners android:radius="10dp"/>  </shape>

6.loginbg.xml

<?xml version="1.0" encoding="utf-8"?>  <shape xmlns:android="http://schemas.android.com/apk/res/android" >      <solid android:color="#55FFFFFF"/>      <corners android:radius="10dp"/>  </shape>

7.strings.xml

<?xml version="1.0" encoding="utf-8"?>  <resources>        <string name="app_name">MiniTwitterSimulate</string>      <string name="action_settings">Settings</string>      <string name="hello_world">Hello world!</string>      <string name="tvName">用户名</string>      <string name="tvPassword">密码</string>      <string name="btnLogin">登录</string>      <string name="tvRegister">没有帐号？ <a href="#" mce_href="#">注册</a></string>    </resources>

<h2><span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">8.MainActivity.java</span></h2>

8.jhj.xml

1.package com.example.minitwittersimulate;  2.  3.import android.os.Bundle;  4.import android.app.Activity;  5.import android.app.backup.SharedPreferencesBackupHelper;  6.import android.content.Intent;  7.import android.content.SharedPreferences;  8.import android.content.SharedPreferences.Editor;  9.import android.view.Menu;  10.import android.view.View;  11.import android.view.View.OnClickListener;  12.import android.view.Window;  13.import android.widget.Button;  14.import android.widget.CheckBox;  15.import android.widget.EditText;  16.import android.widget.Toast;  17.  18.public class MainActivity extends Activity {  19.    private EditText yhm;  20.    private EditText mima;  21.    private CheckBox jzmm;  22.    private CheckBox zddl;  23.    private Button dl;  24.    private SharedPreferences sharedPreferences = null;  25.  26.    @Override  27.    protected void onCreate(Bundle savedInstanceState) {  28.        super.onCreate(savedInstanceState);  29.        requestWindowFeature(Window.FEATURE_NO_TITLE);  30.        setContentView(R.layout.activity_main);  31.        yhm = (EditText)findViewById(R.id.etUsername);  32.        mima = (EditText)findViewById(R.id.etPassword);  33.        jzmm = (CheckBox)findViewById(R.id.cbRememberPass);  34.        zddl = (CheckBox) findViewById(R.id.cbZddl);  35.        dl = (Button)findViewById(R.id.btnLogin);         36.        setListener();  37.    }  38.    private void setListener() {  39.        if(zddl.isChecked()){  40.            if("jhj".equals(yhm.getText().toString())&& "123456".equals(mima.getText().toString())){  41.            Intent i = new Intent(MainActivity.this,chenggong.class);  42.            startActivity(i);  43.        }else{  44.                Toast.makeText(getApplicationContext(),"应户名或密码错误", Toast.LENGTH_SHORT).show();  45.        }  46.        }else{  47.        dl.setOnClickListener(new OnClickListener() {  48.              49.            @Override  50.            public void onClick(View v) {  51.                // TODO Auto-generated method stub  52.                if("jhj".equals(yhm.getText().toString())&& "123456".equals(mima.getText().toString())){  53.                    if(jzmm.isChecked()){  54.                        sharedPreferences=getSharedPreferences("data",MODE_PRIVATE);  55.                        Editor edit = sharedPreferences.edit();  56.                        edit.putBoolean("isKeep", true);  57.                        edit.putString("yhm",yhm.getText().toString());  58.                        edit.putString("mima", mima.getText().toString());  59.                        edit.commit();  60.                    }else{  61.                        SharedPreferences sharedPreferences = getSharedPreferences("data",MODE_PRIVATE);  62.                        Editor edit = sharedPreferences.edit();  63.                        edit.putBoolean("isKeep", false);  64.                        edit.putString("yhm","");  65.                        edit.putString("mima","");  66.                        edit.commit();  67.                    }  68.                    Intent i = new Intent(MainActivity.this,chenggong.class);  69.                    startActivity(i);  70.                }else{  71.                    Toast.makeText(getApplicationContext(),"应户名或密码错误", Toast.LENGTH_SHORT).show();  72.                }  73.            }  74.        });}  75.          76.    }  77.    protected void onResume(){  78.        super.onResume();  79.        getData();  80.    }  81.  82.    private void getData() {  83.         sharedPreferences = getSharedPreferences("data",MODE_PRIVATE);  84.         if(sharedPreferences.getBoolean("isKeep",false)){  85.             yhm.setText(sharedPreferences.getString("yhm",""));  86.             mima.setText(sharedPreferences.getString("mima",""));  87.         }  88.         else{  89.             yhm.setText("");  90.             mima.setText("");  91.         }  92.          93.    }  94.    @Override  95.    public boolean onCreateOptionsMenu(Menu menu) {  96.        // Inflate the menu; this adds items to the action bar if it is present.  97.        getMenuInflater().inflate(R.menu.main, menu);  98.        return true;  99.    }  100.  101.}

9.chenggong.java

package com.example.minitwittersimulate;    import android.app.Activity;  import android.os.Bundle;    public class chenggong extends Activity{      protected void onCreate(Bundle savedInstanceState){          super.onCreate(savedInstanceState);          setContentView(R.layout.chenggong);      }    }

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