Android自定义密码输入框和数字键盘

public class PasswordInputView extends EditText{ private int textLength;  private int borderColor; private float borderWidth; private float borderRadius;  private int passwordLength; private int passwordColor; private float passwordWidth; private float passwordRadius;  private Paint passwordPaint = new Paint(Paint.ANTI_ALIAS_FLAG); private Paint borderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);  private final int defaultSplitLineWidth = 1;  public PasswordInputView(Context context, AttributeSet attrs) {  super(context, attrs);  final Resources res = getResources();   final int defaultBorderColor = res.getColor(R.color.line_color);  final float defaultBorderWidth = res.getDimension(R.dimen.dimen_1px);  final float defaultBorderRadius = res.getDimension(R.dimen.dimen_6);   final int defaultPasswordLength = 6;  final int defaultPasswordColor = res.getColor(R.color.normal_text_color);  final float defaultPasswordWidth = res.getDimension(R.dimen.dimen_6);  final float defaultPasswordRadius = res.getDimension(R.dimen.dimen_6);   TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.PasswordInputView, 0, 0);  try {   borderColor = a.getColor(R.styleable.PasswordInputView_borderColor, defaultBorderColor);   borderWidth = a.getDimension(R.styleable.PasswordInputView_borderWidth, defaultBorderWidth);   borderRadius = a.getDimension(R.styleable.PasswordInputView_borderRadius, defaultBorderRadius);   passwordLength = a.getInt(R.styleable.PasswordInputView_passwordLength, defaultPasswordLength);   passwordColor = a.getColor(R.styleable.PasswordInputView_passwordColor, defaultPasswordColor);   passwordWidth = a.getDimension(R.styleable.PasswordInputView_passwordWidth, defaultPasswordWidth);   passwordRadius = a.getDimension(R.styleable.PasswordInputView_passwordRadius, defaultPasswordRadius);  } finally {   a.recycle();  }   borderPaint.setStrokeWidth(borderWidth);  borderPaint.setColor(borderColor);  passwordPaint.setStrokeWidth(passwordWidth);  passwordPaint.setStyle(Paint.Style.FILL);  passwordPaint.setColor(passwordColor);   setSingleLine(true); }  @Override protected void onDraw(Canvas canvas) {  int width = getWidth();  int height = getHeight();   // 分割线  borderPaint.setColor(borderColor);  borderPaint.setStrokeWidth(defaultSplitLineWidth);  for (int i = 1; i < passwordLength; i++) {   float x = width * i / passwordLength;   canvas.drawLine(x, 0, x, height, borderPaint);  }   // 密码  float cx, cy = height/ 2;  float half = width / passwordLength / 2;  for(int i = 0; i < textLength; i++) {   cx = width * i / passwordLength + half;   canvas.drawCircle(cx, cy, passwordWidth, passwordPaint);  } }  @Override protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) {  super.onTextChanged(text, start, lengthBefore, lengthAfter);  this.textLength = text.toString().length();  invalidate(); }  public int getBorderColor() {  return borderColor; }  public void setBorderColor(int borderColor) {  this.borderColor = borderColor;  borderPaint.setColor(borderColor);  invalidate(); }  public float getBorderWidth() {  return borderWidth; }  public void setBorderWidth(float borderWidth) {  this.borderWidth = borderWidth;  borderPaint.setStrokeWidth(borderWidth);  invalidate(); }  public float getBorderRadius() {  return borderRadius; }  public void setBorderRadius(float borderRadius) {  this.borderRadius = borderRadius;  invalidate(); }  public int getPasswordLength() {  return passwordLength; }  public void setPasswordLength(int passwordLength) {  this.passwordLength = passwordLength;  invalidate(); }  public int getPasswordColor() {  return passwordColor; }  public void setPasswordColor(int passwordColor) {  this.passwordColor = passwordColor;  passwordPaint.setColor(passwordColor);  invalidate(); }  public float getPasswordWidth() {  return passwordWidth; }  public void setPasswordWidth(float passwordWidth) {  this.passwordWidth = passwordWidth;  passwordPaint.setStrokeWidth(passwordWidth);  invalidate(); }  public float getPasswordRadius() {  return passwordRadius; }  public void setPasswordRadius(float passwordRadius) {  this.passwordRadius = passwordRadius;  invalidate(); }}

public class NumKeyboardUtil { private KeyboardView keyboardView;  private Keyboard k;// 数字键盘  private PasswordInputView ed;  public NumKeyboardUtil(Activity act, Context ctx, PasswordInputView edit) {   this.ed = edit;   k = new Keyboard(ctx, R.xml.number);   keyboardView = (KeyboardView) act.findViewById(R.id.keyboard_view);   keyboardView.setKeyboard(k);   keyboardView.setEnabled(true);   keyboardView.setPreviewEnabled(true);   keyboardView.setOnKeyboardActionListener(listener);  }  private OnKeyboardActionListener listener = new OnKeyboardActionListener() {   @Override   public void swipeUp() {   }    @Override   public void swipeRight() {   }    @Override   public void swipeLeft() {   }    @Override   public void swipeDown() {   }    @Override   public void onText(CharSequence text) {   }    @Override   public void onRelease(int primaryCode) {   }    @Override   public void onPress(int primaryCode) {   }   //一些特殊操作按键的codes是固定的比如完成、回退等   @Override   public void onKey(int primaryCode, int[] keyCodes) {     Editable editable = ed.getText();     int start = ed.getSelectionStart();     if (primaryCode == Keyboard.KEYCODE_DELETE) {// 回退       if (editable != null && editable.length() > 0) {         if (start > 0) {           editable.delete(start - 1, start);         }       }     }else if (primaryCode == Keyboard.KEYCODE_CANCEL) {// 完成     hideKeyboard();    } else { //将要输入的数字现在编辑框中       editable.insert(start, Character.toString((char) primaryCode));     }   }  };  public void showKeyboard() {   keyboardView.setVisibility(View.VISIBLE);  }  public void hideKeyboard() {  keyboardView.setVisibility(View.GONE); }  public int getKeyboardVisible() {  return keyboardView.getVisibility(); }}

<?xml version="1.0" encoding="utf-8"?><Keyboard xmlns:android="http://schemas.android.com/apk/res/android" android:horizontalGap="0px" android:keyHeight="42dip" android:keyWidth="31%p" android:verticalGap="0px" >  <Row>  <Key   android:codes="49"   android:keyLabel="1" />  <Key   android:codes="50"   android:keyLabel="2" />  <Key   android:codes="51"   android:keyLabel="3" /> </Row>  <Row>  <Key   android:codes="52"   android:keyLabel="4" />  <Key   android:codes="53"   android:keyLabel="5" />  <Key   android:codes="54"   android:keyLabel="6" /> </Row>  <Row>  <Key   android:codes="55"   android:keyLabel="7" />  <Key   android:codes="56"   android:keyLabel="8" />  <Key   android:codes="57"   android:keyLabel="9" /> </Row>  <Row>  <Key   android:codes="-3"   android:keyLabel="完成" />  <Key   android:codes="48"   android:keyLabel="0" />  <Key   android:codes="-5"   android:keyIcon="@drawable/sym_keyboard_delete" /> </Row> </Keyboard>

<!-- 支付密码输入框 --> <declare-styleable name="PasswordInputView">  <attr name="borderWidth" format="dimension"/>  <attr name="borderColor" format="color"/>  <attr name="borderRadius" format="dimension"/>  <attr name="passwordLength" format="integer"/>  <attr name="passwordWidth" format="dimension"/>  <attr name="passwordColor" format="color"/>  <attr name="passwordRadius" format="dimension"/> </declare-styleable>

<?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="match_parent" android:background="@color/main_bg_color" >  <include  android:id="@+id/title_ll"  layout="@layout/common_actionbar"/>  <TextView  android:id="@+id/trader_pwd_set_tips_textview"  style="@style/normal_text_style"  android:layout_below="@+id/title_ll"  android:layout_marginTop="25dip"  android:layout_centerHorizontal="true"  android:text="@string/trade_pwd_set_tips_text" />  <ImageView  android:id="@+id/line1_imageview"  style="@style/line_horizontal_style"  android:layout_below="@+id/trader_pwd_set_tips_textview"  android:layout_marginTop="26dip"  android:contentDescription="@string/content_description" />  <com.acoe.demo.widget.PasswordInputView  android:id="@+id/trader_pwd_set_pwd_edittext"  android:layout_width="match_parent"  android:layout_height="41dip"  android:layout_below="@+id/line1_imageview"  android:maxLength="6"  android:background="@android:color/white" />  <ImageView  android:id="@+id/line2_imageview"  style="@style/line_horizontal_style"  android:layout_below="@+id/trader_pwd_set_pwd_edittext"  android:contentDescription="@string/content_description" />  <Button  android:id="@+id/trader_pwd_set_next_button"  style="@style/main_button_style"  android:layout_below="@+id/line2_imageview"  android:layout_marginTop="25dip"  android:text="@string/trade_pwd_set_next_text" />  <android.inputmethodservice.KeyboardView  android:id="@+id/keyboard_view"   android:layout_width="match_parent"   android:layout_height="240dip"  android:layout_alignParentBottom="true"  android:paddingTop="30dip"  android:paddingLeft="13dip"  android:paddingRight="13dip"  android:focusable="true"   android:focusableInTouchMode="true"   android:visibility="invisible"/> </RelativeLayout>

//=======在Activity成员变量中声明部分代码=======/** 控件 */ private PasswordInputView edtPwd; //=======在Activity实例化控件部分代码=======// 初始化控件  edtPwd = (PasswordInputView) findViewById(R.id.trader_pwd_set_pwd_edittext);  edtPwd.setInputType(InputType.TYPE_NULL); // 屏蔽系统软键盘// 自定义软键盘  if (keyboardUtil == null) keyboardUtil = new NumKeyboardUtil(this, this, edtPwd);  edtPwd.setOnTouchListener(new OnTouchListener() {   @Override   public boolean onTouch(View v, MotionEvent event) {    keyboardUtil.showKeyboard();    return false;   }  }); //=======在Activity中重写onTouchEvent()方法，实现点击空白处隐藏软键盘=======@Override public boolean onTouchEvent(MotionEvent event) {  if(event.getAction() == MotionEvent.ACTION_DOWN){     if(getCurrentFocus()!=null && getCurrentFocus().getWindowToken()!=null){     keyboardUtil.hideKeyboard();    }  }  return super.onTouchEvent(event); }

edtPwd.setOnFocusChangeListener(new OnFocusChangeListener() {   @Override   public void onFocusChange(View v, boolean hasFocus) {    if (hasFocus) {     // 如果系统键盘是弹出状态，先隐藏     ((InputMethodManager) getSystemService(INPUT_METHOD_SERVICE))     .hideSoftInputFromWindow(getCurrentFocus()     .getWindowToken(),     InputMethodManager.HIDE_NOT_ALWAYS);     keyboardUtil.showKeyboard();    } else {     keyboardUtil.hideKeyboard();    }   }  });