Android 一个简单的登录界面(一)

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iSnowFlake

发表于 2年前
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摘要: Android 一个简单的登录界面

https://my.oschina.net/zengliubao/blog/513753

本文的demo和素材因为时间太久找不到了

另外一个登陆界面分享见：https://my.oschina.net/zengliubao/blog/841279

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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:custom="http://schemas.android.com/apk/res-auto"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:fitsSystemWindows="true" >       <RelativeLayout        android:id="@+id/login_layout"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_marginLeft="20dp"        android:layout_marginRight="20dp"        android:gravity="center" >        <FrameLayout            android:id="@+id/username_layout"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:layout_marginTop="55dp"            android:gravity="center" >            <EditText                android:id="@+id/username"                android:layout_width="fill_parent"                android:layout_height="@dimen/default_edittext_height"                android:layout_marginTop="5dp"                android:inputType="number"                android:paddingRight="60dp"                android:maxLength="20"                android:paddingLeft="55dp" >            </EditText>            <ImageView                android:layout_width="22dp"                android:layout_height="21dp"                android:layout_marginStart="8dp"                               android:layout_gravity="left|center_vertical"                android:background="@drawable/login_usr_in_img"                android:visibility="visible" />            <TextView                android:id="@+id/contry_sn"                android:layout_width="40dp"                android:layout_height="50dp"                android:layout_gravity="left|center_vertical"                android:layout_marginTop="4dp"                android:gravity="center"                android:text="+62"                android:textColor="@android:color/black"                android:textSize="18sp"                android:visibility="invisible" />                        <Button                 android:id="@+id/bt_username_clear"                android:layout_width="23dp"                android:layout_height="23dp"                android:background="@drawable/button_clear"                android:layout_gravity="right|center_vertical"                android:layout_marginRight="10dp"                android:visibility="invisible"                />        </FrameLayout>        <FrameLayout            android:id="@+id/usercode_layout"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:layout_below="@id/username_layout"            android:layout_marginTop="6dp"            android:gravity="center" >            <EditText                android:id="@+id/password"                android:layout_width="fill_parent"                android:layout_height="@dimen/default_edittext_height"  //40                android:inputType="textPassword"                android:paddingRight="60dp"                android:maxLength="20"                android:paddingLeft="55dp" >            </EditText>            <ImageView                android:layout_width="24dp"                android:layout_height="22dp"                android:layout_marginStart="7dp"                               android:layout_gravity="left|center_vertical"                android:background="@drawable/login_code_in_img" />               <Button                 android:id="@+id/bt_pwd_eye"                android:layout_width="23dp"                android:layout_height="23dp"                android:background="@drawable/button_eye_n"                android:layout_gravity="right|center_vertical"                android:layout_marginRight="10dp"                />               <Button                 android:id="@+id/bt_pwd_clear"                android:layout_width="23dp"                android:layout_height="23dp"                android:background="@drawable/button_clear"                android:visibility="invisible"                android:layout_gravity="right|center_vertical"                android:layout_marginRight="33dp"                />        </FrameLayout>          <Button            android:id="@+id/login"            android:layout_width="fill_parent"            android:layout_height="@dimen/default_button_height"            android:layout_below="@id/usercode_layout"            android:layout_marginTop="30dp"            android:background="#ff336699"            android:textColor="@android:color/white"                        android:gravity="center"            android:text="登录" />        <Button            android:id="@+id/login_error"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_alignRight="@id/login"            android:layout_below="@id/login"            android:background="#00000000"                        android:text="忘记密码"            android:textSize="16sp" />        <Button            android:id="@+id/register"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_alignLeft="@id/login"            android:layout_below="@id/login"            android:background="#00000000"            android:gravity="left|center_vertical"            android:text="注册"            android:textSize="16sp"                        android:visibility="visible" />    </RelativeLayout>    <RelativeLayout        android:id="@+id/remember_layout000"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentBottom="true"        android:layout_marginBottom="1dp"        android:layout_marginLeft="20dp"        android:layout_marginRight="20dp" >        <Button            android:id="@+id/registfer"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:background="#00000000"            android:gravity="center"            android:singleLine="true"            android:text="AnyLife,Make the world a better place."            android:textSize="16sp"            android:visibility="visible" />    </RelativeLayout></RelativeLayout>

package com.bipbip.activity;import android.content.Intent;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.text.Editable;import android.text.InputType;import android.text.TextWatcher;import android.view.KeyEvent;import android.view.View;import android.view.View.OnClickListener;import android.view.View.OnLongClickListener;import android.widget.Button;import android.widget.EditText;import android.widget.RelativeLayout;import android.widget.TextView;import android.widget.Toast;import com.bipbip.main.BaseActivity;import com.bipbip.main.MainActivity;import com.bipbip.watch.R;/** *  *  *  注      册： ValidatePhoneNumActivity  -->  RegisterActivity *  *  忘记密码   ForgetCodeActivity        -->  RepasswordActivity *    *  @author liubao.zeng * */   public class LoginActivity extends BaseActivity implements OnClickListener,OnLongClickListener { // 声明控件对象 private EditText et_name, et_pass; private Button mLoginButton,mLoginError,mRegister,ONLYTEST;   int selectIndex=1; int tempSelect=selectIndex; boolean isReLogin=false; private int SERVER_FLAG=0; private RelativeLayout countryselect; private TextView   coutry_phone_sn, coutryName;//// private String [] coutry_phone_sn_array,coutry_name_array; public final static int LOGIN_ENABLE=0x01;    //注册完毕了 public final static int LOGIN_UNABLE=0x02;    //注册完毕了 public final static int PASS_ERROR=0x03;      //注册完毕了 public final static int NAME_ERROR=0x04;      //注册完毕了 final Handler UiMangerHandler = new Handler(){     @Override      public void handleMessage(Message msg) {     // TODO Auto-generated method stub   switch(msg.what){     case LOGIN_ENABLE:      mLoginButton.setClickable(true);            //    mLoginButton.setText(R.string.login);    break;   case LOGIN_UNABLE:    mLoginButton.setClickable(false);    break;   case PASS_ERROR:        break;   case NAME_ERROR:    break;   }        super.handleMessage(msg);  }    }; private Button bt_username_clear; private Button bt_pwd_clear; private Button bt_pwd_eye; private TextWatcher username_watcher;        private TextWatcher password_watcher;       @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);//  requestWindowFeature(Window.FEATURE_NO_TITLE);      //  //不显示系统的标题栏          //  getWindow().setFlags( WindowManager.LayoutParams.FLAG_FULLSCREEN,//    WindowManager.LayoutParams.FLAG_FULLSCREEN );    setContentView(R.layout.activity_login);  et_name = (EditText) findViewById(R.id.username);  et_pass = (EditText) findViewById(R.id.password);    bt_username_clear = (Button)findViewById(R.id.bt_username_clear);  bt_pwd_clear = (Button)findViewById(R.id.bt_pwd_clear);  bt_pwd_eye = (Button)findViewById(R.id.bt_pwd_eye);  bt_username_clear.setOnClickListener(this);  bt_pwd_clear.setOnClickListener(this);  bt_pwd_eye.setOnClickListener(this);  initWatcher();  et_name.addTextChangedListener(username_watcher);  et_pass.addTextChangedListener(password_watcher);    mLoginButton = (Button) findViewById(R.id.login);  mLoginError  = (Button) findViewById(R.id.login_error);  mRegister    = (Button) findViewById(R.id.register);  ONLYTEST     = (Button) findViewById(R.id.registfer);  ONLYTEST.setOnClickListener(this);        ONLYTEST.setOnLongClickListener((OnLongClickListener) this);  mLoginButton.setOnClickListener(this);         mLoginError.setOnClickListener(this);         mRegister.setOnClickListener(this);    //  countryselect=(RelativeLayout) findViewById(R.id.countryselect_layout);//  countryselect.setOnClickListener(this);//  coutry_phone_sn=(TextView) findViewById(R.id.contry_sn);//  coutryName=(TextView) findViewById(R.id.country_name); //  coutryName.setText(coutry_name_array[selectIndex]);    //默认为1//  coutry_phone_sn.setText("+"+coutry_phone_sn_array[selectIndex]); } /**  * 手机号，密码输入控件公用这一个watcher  */ private void initWatcher() {  username_watcher = new TextWatcher() {   public void onTextChanged(CharSequence s, int start, int before, int count) {}   public void beforeTextChanged(CharSequence s, int start, int count,int after) {}   public void afterTextChanged(Editable s) {    et_pass.setText("");    if(s.toString().length()>0){     bt_username_clear.setVisibility(View.VISIBLE);    }else{     bt_username_clear.setVisibility(View.INVISIBLE);    }   }  };    password_watcher = new TextWatcher() {   public void onTextChanged(CharSequence s, int start, int before, int count) {}   public void beforeTextChanged(CharSequence s, int start, int count,int after) {}   public void afterTextChanged(Editable s) {    if(s.toString().length()>0){     bt_pwd_clear.setVisibility(View.VISIBLE);    }else{     bt_pwd_clear.setVisibility(View.INVISIBLE);    }   }  }; }        @Override public void onClick(View arg0) {  // TODO Auto-generated method stub  switch (arg0.getId()) {  case R.id.login:  //登陆//   login();    startActivity(MainActivity.class);   break;  case R.id.login_error: //无法登陆(忘记密码了吧)//   Intent login_error_intent=new Intent();//   login_error_intent.setClass(LoginActivity.this, ForgetCodeActivity.class);//   startActivity(login_error_intent);   break;  case R.id.register:    //注册新的用户//   Intent intent=new Intent();//   intent.setClass(LoginActivity.this, ValidatePhoneNumActivity.class);//   startActivity(intent);      break;  case R.id.registfer:   if(SERVER_FLAG>10){    Toast.makeText(this, "[内部测试--谨慎操作]", Toast.LENGTH_SHORT).show();   }   SERVER_FLAG++;   break;  case R.id.bt_username_clear:   et_name.setText("");   et_pass.setText("");   break;  case R.id.bt_pwd_clear:   et_pass.setText("");   break;  case R.id.bt_pwd_eye:   if(et_pass.getInputType() == (InputType.TYPE_CLASS_TEXT|InputType.TYPE_TEXT_VARIATION_PASSWORD)){    bt_pwd_eye.setBackgroundResource(R.drawable.button_eye_s);    et_pass.setInputType(InputType.TYPE_CLASS_TEXT|InputType.TYPE_TEXT_VARIATION_NORMAL);   }else{    bt_pwd_eye.setBackgroundResource(R.drawable.button_eye_n);    et_pass.setInputType(InputType.TYPE_CLASS_TEXT|InputType.TYPE_TEXT_VARIATION_PASSWORD);   }   et_pass.setSelection(et_pass.getText().toString().length());   break;  } } /**  * 登陆  */ private void login() { } @Override public boolean onLongClick(View v) {  // TODO Auto-generated method stub  switch (v.getId()) {  case R.id.registfer:   if(SERVER_FLAG>9){       }   //   SERVER_FLAG++;   break;  }  return true; }  /**  * 监听Back键按下事件,方法2:  * 注意:  * 返回值表示:是否能完全处理该事件  * 在此处返回false,所以会继续传播该事件.  * 在具体项目中此处的返回值视情况而定.  */  @Override  public boolean onKeyDown(int keyCode, KeyEvent event) {   if ((keyCode == KeyEvent.KEYCODE_BACK)) {   if(isReLogin){    Intent mHomeIntent = new Intent(Intent.ACTION_MAIN);    mHomeIntent.addCategory(Intent.CATEGORY_HOME);    mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK      | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);    LoginActivity.this.startActivity(mHomeIntent);   }else{    LoginActivity.this.finish();   }   return false;   }else {    return super.onKeyDown(keyCode, event);   }  }}

标签： Android 登录界面

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