Android仿支付宝、京东的密码键盘和输入框

@Overridepublic int getViewTypeCount() {  return 2;}@Overridepublic int getItemViewType(int position) {  return (getItemId(position) == KEY_NINE) ? 2 : 1;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {  ViewHolder viewHolder = null;  if (convertView == null) {    if (getItemViewType(position) == 1) {      //数字键      convertView = LayoutInflater.from(context).inflate(R.layout.item_grid_keyboard, parent, false);      viewHolder = new ViewHolder(convertView);    } else {      //删除键      convertView = LayoutInflater.from(context).inflate(R.layout.item_grid_keyboard_delete, parent, false);    }  }  if (getItemViewType(position) == 1) {    viewHolder = (ViewHolder) convertView.getTag();    viewHolder.tvKey.setText(key[position]);  }  return convertView;}

/** * 输入密码，根据StringBuilder中数据的多少进行逻辑判断 * @param value */public void add(String value) {  if (mPassword != null && mPassword.length() < 6) {    mPassword.append(value);//此处先添加到StringBuilder中，再在输入框中显示    if (mPassword.length() == 1) {      tvFirst.setText(value);    } else if (mPassword.length() == 2) {      tvSecond.setText(value);    }else if (mPassword.length() == 3) {      tvThird.setText(value);    }else if (mPassword.length() == 4) {      tvForth.setText(value);    }else if (mPassword.length() == 5) {      tvFifth.setText(value);    }else if (mPassword.length() == 6) {      tvSixth.setText(value);    }  }}/** * 删除密码，根据StringBuilder中数据的多少进行逻辑判断 */public void remove() {  if (mPassword != null && mPassword.length() > 0) {    if (mPassword.length() == 1) {      tvFirst.setText("");    } else if (mPassword.length() == 2) {      tvSecond.setText("");    }else if (mPassword.length() == 3) {      tvThird.setText("");    }else if (mPassword.length() == 4) {      tvForth.setText("");    }else if (mPassword.length() == 5) {      tvFifth.setText("");    }else if (mPassword.length() == 6) {      tvSixth.setText("");    }    mPassword.deleteCharAt(mPassword.length() - 1);  }}

/** * 返回完整密码 * @return  */public String getText() {  return (mPassword == null) ? null : mPassword.toString();}

<?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">  <com.github.phoenix.widget.PayEditText    android:id="@+id/PayEditText_pay"    android:layout_width="match_parent"    android:layout_marginTop="20dp"    android:paddingLeft="12dp"    android:layout_alignParentTop="true"    android:paddingRight="12dp"    android:layout_height="48dp"/>  <com.github.phoenix.widget.Keyboard    android:id="@+id/KeyboardView_pay"    android:layout_alignParentBottom="true"    android:layout_width="match_parent"    android:layout_height="300dp"/></RelativeLayout>

//键private static final String[] KEY = new String[] {      "1", "2", "3",      "4", "5", "6",      "7", "8", "9",      "<<", "0", "完成"  };//设置键盘keyboard.setKeyboardKeys(KEY);//键盘键的点击事件keyboard.setOnClickKeyboardListener(new Keyboard.OnClickKeyboardListener() {  @Override  public void onKeyClick(int position, String value) {    if (position < 11 && position != 9) {      payEditText.add(value);    } else if (position == 9) {      payEditText.remove();    }else if (position == 11) {      //当点击键盘上的完成按钮时，也可以通过payEditText.getText()获取密码，此时不应该注册OnInputFinishedListener接口      Toast.makeText(getApplication(), "您的密码是：" + payEditText.getText(), Toast.LENGTH_SHORT).show();      finish();    }  }});//当密码输入完成时的回调payEditText.setOnInputFinishedListener(new PayEditText.OnInputFinishedListener() {  @Override  public void onInputFinished(String password) {    Toast.makeText(getApplication(), "您的密码是：" + password, Toast.LENGTH_SHORT).show(); }});