此JavaScript代码返回115.3:
function FV(rate, nper, pmt, pv, type) {
var pow = Math.pow(1 + rate, nper);
var fv;
if (rate) {
fv = (pmt*(1+rate*type)*(1-pow)/rate)-pv*pow;
} else {
fv = -1 * (pv + pmt * nper);
}
return fv.toFixed(2);
}
document.write( FV(0.06/12,12,-(2750+1375)/12,-0,0)-(0+2750+1375) )Run Code Online (Sandbox Code Playgroud)
此Java代码返回106.1:
public double FV(double rate, double nper, double pmt, double pv, int type) {
double pow = Math.pow(1 + rate, nper);
double fv;
if (rate > 0) {
fv = (pmt*(1+rate*type)*(1-pow)/rate)-pv*pow;
} else {
fv = -1 * …Run Code Online (Sandbox Code Playgroud) 我正在尝试创建一个没有阴影的平面动作栏
附图:

我的风格xml
<resources>
<!-- the theme applied to the application or activity -->
<style name="CustomActionBarTheme" parent="@android:style/Theme.Holo.Light">
<item name="android:actionBarStyle">@style/MyActionBar</item>
</style>
<!-- ActionBar styles -->
<style name="MyActionBar" parent="@android:style/Widget.Holo.Light.ActionBar.Solid.Inverse">
<item name="android:windowContentOverlay">@null</item>
<item name="android:windowActionBarOverlay">true</item>
<item name="android:background">@drawable/white_bg</item>
<item name="android:displayOptions"></item>
</style>
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我支持android 4.x.
有任何想法吗 ?我尝试将样式更改为Solid/Inverse不起作用..
附上white_bg(很难看,因为它是白色的)

在使用GridLayout和ConstraintLayout时,我收到以下错误
Error:(115) Attribute "orientation" has already been defined
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问题是因为两个库都使用它
<attr name="orientation">
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有没有人知道一个解决方法?
我试图找出是否有特定于应用程序的存储屏幕的意图,如下图所示.
我尝试了以下代码,但它只打开了App Info屏幕:
Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
Uri packageURI = Uri.parse("package:" + myPackage);
intent =.setData(packageURI);
startActivity(intent);
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