QQ登陆界面

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QQ登陆界面

QQ登陆界面的布局文件源代码如下：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:background="@drawable/default_bg"
    >
<LinearLayout
android:id="@+id/linearLayout01"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<RelativeLayout
android:id="@+id/relativeLayout"
android:background="@drawable/login_back"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="60.0dip"
android:layout_marginLeft="15.0dip"
android:layout_marginRight="15.0dip"
android:paddingTop="20.0dip"
android:paddingLeft="10.0dip"
android:paddingRight="10.0dip"
>
<ImageView
android:id="@+id/imageView01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/qq_layouts"
/>
<EditText
android:id="@+id/qq_acount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="45.0dip"
android:paddingRight="35.0dip"
android:layout_toRightOf="@id/imageView01"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:inputType="number"
android:hint="@string/input_acount"
android:textSize="15sp"
android:background="@drawable/input"
/>
<TextView
android:text="@string/acount"
android:gravity="center"
android:paddingLeft="8dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@id/qq_acount"
android:layout_alignLeft="@id/qq_acount"
android:layout_alignBottom="@id/qq_acount"
/>
<ImageButton
android:id="@+id/imageButton01"
android:clickable="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignRight="@id/qq_acount"
android:layout_alignTop="@id/qq_acount"
android:layout_alignBottom="@id/qq_acount"
android:background="@drawable/more_selected"
/>
<EditText
android:id="@+id/qq_password"
android:inputType="textPassword"
android:paddingLeft="45dip"
android:layout_below="@id/qq_acount"
android:layout_alignParentRight="true"
android:layout_alignLeft="@id/qq_acount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/input"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@id/qq_password"
android:layout_alignTop="@id/qq_password"
android:layout_alignBottom="@id/qq_password"
android:paddingLeft="8dip"
android:gravity="center"
android:text="@string/password"
android:textSize="15sp"
/>
<CheckBox
android:id="@+id/checkBox01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/imageView01"
android:layout_alignParentLeft="true"
android:layout_marginTop="15.0dip"
android:text="@string/rememberPassword"
android:checked="true"
android:button="@drawable/check"
/>
<CheckBox
android:id="@+id/checkBox02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@id/checkBox01"
android:layout_alignParentRight="true"
android:layout_marginRight="15.0dip"
android:text="@string/autoLogin"
android:checked="false"
android:button="@drawable/check"
/>
<Button
android:id="@+id/btn01"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/checkBox01"
android:layout_marginLeft="50.0dip"
android:layout_marginRight="50.0dip"
android:text="@string/login"
android:textSize="15sp"
/>
</RelativeLayout>
<TableLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20.0dip"
android:layout_marginRight="20.0dip"
android:stretchColumns="1"
>
<TableRow>
<CheckBox
   android:id="@+id/checkBox03"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text="@string/unvisibleLogin"
   android:button="@drawable/check"
   />
<CheckBox
   android:id="@+id/checkBox04"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text="@string/openVibration"
   android:button="@drawable/check"
   android:layout_gravity="right"
   />
</TableRow>
<TableRow>
<CheckBox
   android:id="@+id/checkBox05"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text="@string/receiveMsg"
   android:button="@drawable/check"
   />
<CheckBox
   android:id="@+id/checkBox06"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text="静音登陆"
   android:layout_gravity="right"
   android:button="@drawable/check"
   />
</TableRow>
</TableLayout>
</LinearLayout>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10.0dip"
android:background="@drawable/bottom"
>
<ImageButton
android:id="@+id/imageButton02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/option"
/>
</LinearLayout>
</LinearLayout>

其中用到的图片需要放在drawable文件夹下。strings.xml文件内容：

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="hello">Hello World, QQLoginActivity!</string>
    <string name="app_name">QQLogin2</string>
    <string name="input_acount">请输入账号</string>
    <string name="acount">账号</string>
    <string name="rememberPassword">记住密码</string>
    <string name="autoLogin">自动登陆</string>
    <string name="password">密码</string>
    <string name="login">登陆</string>
    <string name="unvisibleLogin">隐身登陆</string>
    <string name="openVibration">开启振动</string>
    <string name="receiveMsg">接收群消息</string>
</resources>

如果要保存上次登陆的QQ账号可使用类SharedPreferences实现，大概代码如下：

//文件QQLoginActivity.java

package com.qqlogin2;

import java.util.LinkedHashSet;
import java.util.Set;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.PopupWindow;
import android.widget.Toast;

public class QQLoginActivity extends Activity {
private CheckBox rememberPassword ;
private EditText etAcount;
private EditText etPassword;
private ImageView option;
private PopupWindow pop;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.login);

        rememberPassword = (CheckBox) findViewById(R.id.checkBox01);
        etAcount = (EditText) findViewById(R.id.qq_acount);

        etPassword = (EditText) findViewById(R.id.qq_password);

        option = (ImageView) findViewById(R.id.imageButton02);

        init();

        initPop();

        option.setOnClickListener(new OnClickListener() {

   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    if(!pop.isShowing()){
     pop.showAtLocation(v, Gravity.BOTTOM, 0, 50);
    }else{
     pop.dismiss();
    }
   }
});

       /* dropdown.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    Toast.makeText(QQLoginActivity.this,"dropdown", Toast.LENGTH_SHORT).show();
AlertDialog.Builder builder = new AlertDialog.Builder(QQLoginActivity.this);
    builder.setTitle("choose acount");

    final String[] acounts = null;
    builder.setSingleChoiceItems(acounts, -1, new DialogInterface.OnClickListener() {

     @Override
     public void onClick(DialogInterface dialog, int which) {
      // TODO Auto-generated method stub
      String acountSpec = acounts[which];
      etAcount.setText(acountSpec);
      dialog.dismiss();
     }
    });
    builder.create().show();
   }});*/

    }

    private void initPop(){
     View view = getLayoutInflater().inflate(R.layout.pop, null);
     pop = new PopupWindow(view, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);

     ImageButton quit = (ImageButton) view.findViewById(R.id.quit);
     quit.setOnClickListener(new OnClickListener() {

   @Override
   public void onClick(View v) {
    // TODO Auto-generated method stub
    Toast.makeText(QQLoginActivity.this, "quit", Toast.LENGTH_SHORT).show();
    finish();
   }
});
    }

    protected void init() {
     // TODO Auto-generated method stub
     super.onResume();
     SharedPreferences preferences = getSharedPreferences("qq", Context.MODE_WORLD_READABLE);
     String acount = preferences.getString("acount", "");
     String password = preferences.getString("password", "");
     boolean isRemember = preferences.getBoolean("isRemember", true);
     rememberPassword.setChecked(isRemember);



     if(!acount.equals("")){
      etAcount.setText(acount);
     }
     if(!password.equals("")){
      etPassword.setText(password);
     }
    }

    @Override
    protected void onStop() {
     // TODO Auto-generated method stub
     super.onStop();
     Set<String> stringSet = new LinkedHashSet<String>();

     SharedPreferences preferences = getSharedPreferences("qq", Context.MODE_PRIVATE);
     Editor editor = preferences.edit();
     boolean isChecked = rememberPassword.isChecked();
     editor.putBoolean("isRemember", isChecked);

     String acount = etAcount.getText().toString().trim();

     if(!acount.equals("") ){
      editor.putString("acount", acount);
      stringSet.add(acount);
      if(rememberPassword.isChecked()){
       String password = etPassword.getText().toString();
       editor.putString("password", password);
      }
      else{
       editor.putString("password", "");
      }
      editor.commit();
     }
    }
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
     // TODO Auto-generated method stub
     if(keyCode==KeyEvent.KEYCODE_MENU){
      if(pop.isShowing()){
       pop.dismiss();
      }else{
       pop.showAtLocation(option, Gravity.BOTTOM, 0, 50);
      }
      return true;
     }
     else if(keyCode==KeyEvent.KEYCODE_BACK){
      if(pop.isShowing()){
       pop.dismiss();
      }
      else{
       AlertDialog.Builder builder = new AlertDialog.Builder(this);
       builder.setTitle("确定要退出程序吗");
       builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
         // TODO Auto-generated method stub
         finish();
        }
       });
       builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
         // TODO Auto-generated method stub
         dialog.dismiss();
        }
       });
       builder.show();
      }
      return true;
     }
     else{
      return super.onKeyDown(keyCode, event);
     }
    }
}