常用的加减控件

activity中的：  
[java] view plain copy
/** 
 * 默认融资金额 
 */  
private long defaultMoney = 1_0000;  
  
/** 
 * 点击减少10000意向融资金额 
 */  
@OnClick(R.id.ib_finance_intention_delete)  
void clickDelMoney(){  
    if(defaultMoney> CheckUtil.MIN_MONEY){  
        defaultMoney -= 10000;  
        mAmountView.setText(String.valueOf(defaultMoney));  
        mAmountView.setSelection(mAmountView.getText().length());  
    }  
}  
  
/** 
 * 点击增加10000意向融资金额 
 */  
@OnClick(R.id.ib_finance_intention_add)  
void clickAddMoney(){  
    if(defaultMoney<CheckUtil.MAX_MONEY){  
        defaultMoney+=10000;  
        mAmountView.setText(String.valueOf(defaultMoney));  
        mAmountView.setSelection(mAmountView.getText().length());  
    }  
}  
  
//et_finance_intention_amount_money 文本卡的id     
@OnTextChanged(R.id.et_finance_intention_amount_money)  
void changeIntentMoney(CharSequence charSequence){  
    mAmountView.setSelection(mAmountView.getText().length());  
    if(!TextUtils.isDigitsOnly(charSequence)){  
        ToastUtil.showFailure(this,"错误的金额");  
        return;  
    }  
    defaultMoney=CheckUtil.converIntentMoney(charSequence.toString());  
}  
  
CheckUtil：帮助类  
  
  
/** 
 * 最小意向融资金额 
 */  
public static final int MIN_MONEY = 5_000;  
  
/** 
 * 最大意向融资金额 
 */  
public static final int MAX_MONEY = 3_000_000;  
  
/** 
 * 转换为合法意向融资金额 
 * 
 * @param inputMoney 输入金额 
 * @return 转换后金额 
 */  
public static long convertIntentMoney(CharSequence inputMoney) {  
    if (TextUtils.isEmpty(inputMoney) || inputMoney.length() < 4 || !TextUtils  
        .isDigitsOnly(inputMoney)) {  
        return MIN_MONEY;  
    } else if (inputMoney.length() > 9) {  
        return MAX_MONEY;  
    } else {  
        long intMoney = Integer.parseInt(inputMoney.toString());  
        if (intMoney < MIN_MONEY) {  
            return MIN_MONEY;  
        } else if (intMoney > MAX_MONEY) {  
            return MAX_MONEY;  
        } else {  
            return intMoney - intMoney % 1000;  
        }  
    }  
}