Android自定义EditText实现登录界面

public class ClearEditText extends EditText implements OnFocusChangeListener, 
  TextWatcher { 
 
 private Drawable right; 
 private boolean hasfocus; 
 private Drawable mClearDrawable; 
 
 public ClearEditText(Context context) { 
  this(context, null); 
 
 } 
 
 public ClearEditText(Context context, AttributeSet attrs) { 
  // 这个属性不加 没法用 
  this(context, attrs, android.R.attr.editTextStyle); 
 
 } 
 
 public ClearEditText(Context context, AttributeSet attrs, int defStyle) { 
  super(context, attrs, defStyle); 
  // 初始化删除的资源图片 
  mClearDrawable = getCompoundDrawables()[2]; 
  if (mClearDrawable == null) { 
   mClearDrawable = getResources().getDrawable(R.drawable.ic_close1); 
  } 
  mClearDrawable.setBounds(0, 0, mClearDrawable.getIntrinsicWidth(), 
    mClearDrawable.getIntrinsicHeight()); 
 
  clearText(false); 
 
  setOnFocusChangeListener(this); 
  addTextChangedListener(this); 
 
 } 
  
 @Override 
 public void onFocusChange(View v, boolean hasfocus) { 
  this.hasfocus = hasfocus; 
  if (hasfocus) { 
   clearText(getText().length() > 0); 
  } else { 
   clearText(false); 
  } 
 
 } 
 
 @Override 
 public void onTextChanged(CharSequence text, int start, int lengthBefore, 
   int lengthAfter) { 
  // TODO Auto-generated method stub 
  if (hasfocus) { 
   clearText(text.length() > 0); 
  } 
 
 } 
 
 private void clearText(boolean visible) { 
  if (visible) { 
   right = mClearDrawable; 
 
  } else { 
   right = null; 
  } 
  setCompoundDrawables(getCompoundDrawables()[0], 
    getCompoundDrawables()[1], right, getCompoundDrawables()[3]); 
 
  // right.setBounds(0, 0, right.getIntrinsicWidth(), 
  // right.getIntrinsicHeight()); 
 
 } 
 
  
 //getTotalPaddingRight 返回 又padding加上图片占据的宽度 在这个范围内 即判断是否点击了删除按钮 
 @Override 
 public boolean onTouchEvent(MotionEvent event) { 
  if (event.getAction() == MotionEvent.ACTION_UP) { 
   if (getCompoundDrawables()[2] != null) { 
 
    boolean t = event.getX() > (getWidth() - getTotalPaddingRight()) 
      && (event.getX() <((getWidth() - getPaddingRight()))); 
 
    if (t) { 
     this.setText(""); 
    } 
   } 
  } 
 
  return super.onTouchEvent(event); 
 } 
 
 @Override 
 public void afterTextChanged(Editable arg0) { 
  // TODO Auto-generated method stub 
 
 } 
 
 @Override 
 public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, 
   int arg3) { 
  // TODO Auto-generated method stub 
 
 } 
 
 /** 
  * 设置晃动动画 
  */ 
 public void setShakeAnimation() { 
  this.setAnimation(shakeAnimation(5)); 
 } 
 
 // 可以设置1秒钟晃动s下 
 public static Animation shakeAnimation(int s) { 
  Animation translateAnimation = new TranslateAnimation(0, 10, 0, 0); 
  translateAnimation.setInterpolator(new CycleInterpolator(s)); 
  translateAnimation.setDuration(1000); 
  return translateAnimation; 
 } 
 
} 

public class CustomText extends TextView { 
 
 private String text; 
 private Paint paint; 
 private Rect rect = new Rect(); 
 private int initTopDistance = 8; 
 
 public CustomText(Context context) { 
  super(context, null); 
  // TODO Auto-generated constructor stub 
 } 
 
 public CustomText(Context context, AttributeSet attrs) { 
  this(context, attrs, 0); 
  // TODO Auto-generated constructor stub 
 } 
 
 public CustomText(Context context, AttributeSet attrs, int defStyle) { 
  super(context, attrs, defStyle); 
  text = (String) getText(); 
 
  DisplayMetrics metric = new DisplayMetrics(); 
  WindowManager windowmanager = (WindowManager) context 
    .getSystemService(Context.WINDOW_SERVICE); 
  windowmanager.getDefaultDisplay().getMetrics(metric); 
  //得到字体大小 
  int size = (int) getTextSize(); 
  //转换成SP 
  int s= (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, size, metric); 
 
  paint = new Paint(Paint.ANTI_ALIAS_FLAG); 
  paint.setDither(true); 
  paint.setColor(0xffffffff); 
  if(s!=0) 
  paint.setTextSize(s); 
  Typeface t= Typeface.createFromAsset(context.getResources().getAssets(), "fonts/font.TTF"); 
   
  paint.setTypeface(t); 
  paint.setShadowLayer(60, 30, 30, 0xff00ffff); 
 
 } 
// @Override 
// protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 
//  
////  super.onMeasure(widthMeasureSpec, heightMeasureSpec); 
//  int modeWidth=MeasureSpec.getMode(widthMeasureSpec); 
//  int modeHeight=MeasureSpec.getMode(heightMeasureSpec); 
//  int widthSize=MeasureSpec.getSize(widthMeasureSpec); 
//  int heightSize=MeasureSpec.getSize(heightMeasureSpec); 
//  
//  int width=0; 
//  int heigh=0; 
//  if(modeWidth==MeasureSpec.AT_MOST) 
//   
//   width=getMaxTextWdith(getStrings())+getPaddingLeft()+getPaddingRight(); 
//   
//  if(modeHeight==MeasureSpec.AT_MOST) 
//   heigh=getMaxTextHeight(getStrings())+getPaddingTop()+getPaddingBottom(); 
//  
//  setMeasuredDimension(width=modeWidth==MeasureSpec.AT_MOST&＃63;width:widthSize, 
//    height=modeHeight==MeasureSpec.AT_MOST&＃63;height:heightSize); 
//  
//  
// } 
  
  
 
 @Override 
 protected void onSizeChanged(int w, int h, int oldw, int oldh) { 
  // TODO Auto-generated method stub 
  super.onSizeChanged(w, h, oldw, oldh); 
  width = w; 
  height = h; 
 } 
 
 private void measureText(String str) { 
 
  paint.getTextBounds(str, 0, str.length(), rect); 
  FontMetrics fm = paint.getFontMetrics(); 
  textHeight = (int) (fm.ascent + fm.descent); 
 } 
 
 private int textHeight; 
 private int width; 
 private int height; 
 private int num; 
 //转化为 单个字的字符串 
 public String[] getStrings(){ 
   
  num = text.length(); 
  String[] strings = new String[num]; 
  for (int i = 0; i 

<&＃63;xml version="1.0" encoding="utf-8"&＃63;> 
 
 " 
  
 
 

<&＃63;xml version="1.0" encoding="utf-8"&＃63;> 
 
  
    
     
    
    
  

<&＃63;xml version="1.0" encoding="utf-8"&＃63;>