Android QQ登录界面绘制代码

<!-- android:focusable="true"    android:focusableInTouchMode="true"    把EditText默认的行为截断了！ --><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  xmlns:tools="http://schemas.android.com/tools"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:background="#ECEDF1"  android:focusable="true"  android:focusableInTouchMode="true"  tools:context="com.dragon.android.qqlogin.MainActivity$PlaceholderFragment" >  <ImageView    android:id="@+id/imageView1"    android:layout_width="70dp"    android:layout_height="70dp"    android:layout_centerHorizontal="true"    android:layout_marginBottom="5dp"    android:layout_marginTop="40dp"    android:src="@drawable/a" />     <EditText    android:id="@+id/editText1"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:layout_below="@id/imageView1"    android:ems="10"    android:background="@drawable/bg_edittext"    android:inputType="textPersonName"    android:gravity="center"    android:textColor="#6A6A6C"    android:hint="@string/inaccount"    android:textColorHint="#ECEDDD">  </EditText>  <EditText    android:id="@+id/editText2"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:layout_below="@id/editText1"    android:ems="10"    android:background="@drawable/bg_edittext"    android:inputType="textPassword"    android:gravity="center"    android:textColor="#6A6A6C"    android:hint="@string/inpwd"    android:textColorHint="#ECEDDD" >  </EditText>  <Button    android:id="@+id/button1"    android:layout_width="match_parent"    android:layout_height="40dp"    android:layout_below="@id/editText2"    android:layout_marginLeft="20dp"    android:layout_marginRight="20dp"    android:layout_marginTop="10dp"    android:background="@drawable/bg_button"    android:text="@string/button"    android:gravity="center"    android:textColor="#F9FAFB" />  <LinearLayout    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:layout_alignParentBottom="true"    android:padding="10dp" >    <TextView      android:id="@+id/textView2"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:gravity="center"      android:text="@string/faillogin"      android:textColor="#0EB1EF" />    <TextView      android:id="@+id/textView3"      android:layout_width="match_parent"      android:layout_height="wrap_content"      android:gravity="right"      android:text="@string/regist"      android:textColor="#0EB1EF" />   </LinearLayout>  <Button    android:id="@+id/button2"    android:layout_width="16dp"    android:layout_height="16dp"    android:layout_alignTop="@id/editText1"    android:layout_marginTop="15dp"    android:layout_alignParentRight="true"    android:layout_marginRight="10dp"    android:background="@drawable/clear"    android:visibility="invisible" />  <Button    android:id="@+id/button3"    android:layout_width="16dp"    android:layout_height="16dp"    android:layout_alignTop="@id/editText2"    android:layout_marginTop="15dp"    android:layout_alignLeft="@+id/button2"    android:background="@drawable/clear"    android:visibility="invisible" /></RelativeLayout>

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android" >    <stroke android:width="1px" android:color="#00ACED" />    <solid android:color="#00ACED" />    <corners android:radius="10dp" />  </shape>

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android" >    <stroke android:width="1px" android:color="#ECEDF1" />    <solid android:color="#F9FAFB" />    <corners android:radius="10dp" />    <padding     android:top="10dp"     android:bottom="10dp"/></shape>

<?xml version="1.0" encoding="utf-8"?><resources>  <string name="app_name">qqloginnew</string>  <string name="action_settings">Settings</string>  <string name="button">登录</string>  <string name="faillogin">无法登录?</string>  <string name="regist">新用户注册</string>  <string name="inaccount">QQ号/手机号/邮箱</string>  <string name="inpwd">密码</string>  <string name="sucess">登录成功</string></resources>

package com.dragon.android.qqloginnew;import android.app.Activity;import android.os.Bundle;import android.text.Editable;import android.text.TextWatcher;import android.view.View;import android.view.View.OnClickListener;import android.view.View.OnFocusChangeListener;import android.widget.Button;import android.widget.EditText;public class MainActivity extends Activity {  private EditText editText1;  private EditText editText2;  // private Button button;  private Button clearButton1;  private Button clearButton2;  // 得到strings中的属性  // private String string2 = getResources().getString(R.string.inaccount);  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.fragment_main);    editText1 = (EditText) findViewById(R.id.editText1);    editText2 = (EditText) findViewById(R.id.editText2);    // button = (Button) findViewById(R.id.button1);    clearButton1 = (Button) findViewById(R.id.button2);    clearButton2 = (Button) findViewById(R.id.button3);    // 对EditText进行焦点变更监听    editText1.setOnFocusChangeListener(new EditTextListener(clearButton1));    editText2.setOnFocusChangeListener(new EditTextListener(clearButton2));    // 对清空按钮进行点击监听    clearButton1.setOnClickListener(new ClearButtonListener());    clearButton2.setOnClickListener(new ClearButtonListener());    // 对EditText进行编辑监听    editText1.addTextChangedListener(new MyEditTextWatcher(editText1));    editText2.addTextChangedListener(new MyEditTextWatcher(editText2));  }  /**   * 对EditText的内容进行实时监控   *    * @author Auser   *    */  class MyEditTextWatcher implements TextWatcher {    private CharSequence temp;    private EditText editText;    public MyEditTextWatcher(EditText editText) {      this.editText = editText;    }    @Override    // int start开始的位置, int count被改变的旧内容数, int after改变后的内容数量    public void beforeTextChanged(CharSequence s, int start, int count,        int after) {      // 这里的s表示改变之前的内容，通常start和count组合，可以在s中读取本次改变字段中被改变的内容。而after表示改变后新的内容的数量。    }    @Override    // int start开始的位置, int before改变前的内容数量, int count新增量    public void onTextChanged(CharSequence s, int start, int before,        int count) {      // 这里的s表示改变之后的内容，通常start和count组合，可以在s中读取本次改变字段中新的内容。而before表示被改变的内容的数量。      temp = s;    }    @Override    // 表示最终内容    public void afterTextChanged(Editable s) {      if (temp.length() > 0) {        // 设置清空按钮为可见        if (editText == editText1) {          clearButton1.setVisibility(View.VISIBLE);        } else if (editText == editText2) {          clearButton2.setVisibility(View.VISIBLE);        }      } else {        // 设置清空按钮不可见        if (editText == editText1) {          clearButton1.setVisibility(View.INVISIBLE);        } else if (editText == editText2) {          clearButton2.setVisibility(View.INVISIBLE);        }      }    }  }  /**   * 清空按钮点击事件   *    * @author   *    */  class ClearButtonListener implements OnClickListener {    @Override    public void onClick(View view) {      if (view == clearButton1) {        editText1.setText("");      } else if (view == clearButton2) {        editText2.setText("");      }    }  }  /**   * 焦点变更事件   *    * @author Auser   *    */  class EditTextListener implements OnFocusChangeListener {    private Button clear;    public EditTextListener(Button clear) {      this.clear = clear;    }    @Override    public void onFocusChange(View v, boolean hasFocus) {      EditText textView = (EditText) v;      String hint;      if (hasFocus) {        // 当获取焦点时如果内容不为空则清空按钮可见        if (!textView.getText().toString().equals("")) {          clear.setVisibility(View.VISIBLE);        }        // if (textView == editText2) {        // // 设置输入格式为不可见的密码格式        // textView.setInputType(InputType.TYPE_CLASS_TEXT        // | InputType.TYPE_TEXT_VARIATION_PASSWORD);        // }        hint = textView.getHint().toString();        // 给TextView添加额外的数据        textView.setTag(hint);        textView.setHint("");      } else {        // 当失去焦点时清空按钮不可见        clear.setVisibility(View.INVISIBLE);        // if (textView == editText2) {        // // 设置输入格式为可见的密码格式        // textView.setInputType(InputType.TYPE_CLASS_TEXT        // | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);        // }        // 取出之前添加的额外数据        hint = textView.getTag().toString();        textView.setHint(hint);      }    }  }}