如何在Android中的EditText中舍入输入文本

Question

我想在Android中有一个library('TTR') library('blotter') library("quantmod") require(quantstrat) from <- "2016-04-01" to <- "2016-07-01" SPY <- getSymbols.yahoo('SPY', env = .GlobalEnv, return.class = 'xts', index.class = 'Date', from = from, to = to, periodicity = "daily", auto.assign = FALSE) SPY <- SPY[, c(1, 2, 3, 4, 5)] names(SPY) <- c('Open','High','Low','Close','Volume') level <- function(ts, level) { ts$level <- level res <- ts$level names(res) <- c("") return(res) } rm(list = ls(.blotter), envir = .blotter) symbols = "SPY" currency('USD') initDate = from from = from to = to initEq = 100000 strName = "test" stock(symbols, currency = "USD", tick_size = 0.001, multiplier = 1) getInstrument(symbols, type = "instrument") strategy.st <- strName portfolio.st <- strName account.st <- strName rm.strat(portfolio.st) rm.strat(strategy.st) initPortf(portfolio.st, symbols = symbols, initDate = initDate, currency = 'USD') initAcct(account.st, portfolios = portfolio.st, initDate = initDate, currency = 'USD', initEq = initEq) initOrders(portfolio.st, initDate = initDate) strategy(strategy.st, store = TRUE) addPosLimit(portfolio.st, symbols, timestamp = initDate, maxpos = 1, minpos = -1) # indicators add.indicator(strategy.st, name = "level", arguments = list(ts = quote((mktdata)), level = 208.0), label = "LEV208") add.indicator(strategy.st, name = "level", arguments = list(ts = quote((mktdata)), level = 212.0), label = "LEV212") add.indicator(strategy.st, name = "level", arguments = list(ts = quote((mktdata)), level = 207.0), label = "LEV207") # signals add.signal(strategy.st, name = "sigCrossover", arguments = list(columns = c("Close", "LEV208"), relationship = "gt"), label = "OPEN") add.signal(strategy.st, name = "sigCrossover", arguments = list(columns = c("Close", "LEV212"), relationship = "gt"), label = "CLOSE") # rules add.rule(strategy.st, name = "ruleSignal", arguments = list(sigcol = "OPEN", sigval = TRUE, orderside = "long", ordertype = "market", prefer = "Open", orderqty = 1, replace = FALSE, osFUN = osMaxPos ), type = "enter", label = "LE" ) add.rule(strategy.st, name = "ruleSignal", arguments = list(sigcol = "CLOSE", sigval = TRUE, orderside = "long", ordertype = "market", prefer = "Open", orderqty = "all", replace = FALSE ), type = "exit", label = "LX" ) add.rule(strategy.st, name = "ruleSignal", arguments = list(sigcol = "OPEN", sigval = TRUE, replace = FALSE, orderside = "long", ordertype = "stoplimit", threshold = quote(0.005), orderqty = "all", orderset = "ocolong"), type = "chain", parent = "LE", label = "StopLossLONG", enabled = FALSE ) applyStrategy(strategy.st, portfolio.st) save.strategy(strategy.st) orderbook <- getOrderBook(portfolio.st) orderbook ，我可以在圆框中看到以前的输入，并能够删除它。此外，我可以编写一个新输入并保存它，如下图所示。

Answer 1

您可以使用嵌套视图并动态添加它们。您不必在EditText中显示标记，而是可以尝试制作包含EditText的布局并将TextViews动态添加到其中。您可以将边框设置为布局的背景。您可以在res / drawable文件夹中定义边框，并将其分配给包含标记和EditText的布局。它看起来就像你提供的图片。 border.xml可以是这样的，你可以使用params：

\([^\(]*?\)

然后你需要定义＆＃39;圆形框的布局，我们将它命名为layout_tag.xml，它可以是一个带有自定义背景的简单LinearLayout，即框。它应该与装饰外部布局的方式非常相似。 layout_tag.xml可能包含TextView。您还可以在TextView之后添加带有删除图标的ImageView或按钮，并将这两个视图包装在layout_tag.xml中。

然后您需要将它们动态添加到搜索字段布局中，您可以找到大量帖子来帮助，例如： Android: add a TextView to LinearLayout programatically

在上面的链接中，您可以将第一段代码块调整为layout_tag.xml。第二段代码告诉您如何将layout_tag动态添加到外部布局中，即标签的容器。

最后，只要用户提交标记，您就可以将其连接起来，还记得在删除图像/按钮上添加OnClickListener。