3.int compareTo(Object o):如果o是String对象,和2的功能一样;否则抛出ClassCastException异常。 例如:String s1 = new String("abcdefghijklmn"); String s2 = new String("abcdefghij"); String s3 = new String("abcdefghijalmn"); System.out.println("s1.compareTo(s2): " + s1.compareTo(s2) )...
void String8::setTo(const String8& other) { SharedBuffer::bufferFromData(other.mString)->acquire(); //被引用的string8对象,引用计数+1. SharedBuffer::bufferFromData(mString)->release(); mString = other.mString; } status_t String8::append(const char* other) //在原有数据基础上,添加对...
arraylist<string> to string[]: eg: string[] str; arraylist<string> arr; str = new string[arr.size()]; str = arr.toarray(str);
Code 1Public Shared Function LeftByte()Function LeftByte(ByVal Str As String, ByVal Lens As Double) As String 2 Dim Length 3 Length = 0 4 Dim i As Integer 5 For i = 1 To Len(Str) 6 If (Asc(Mid(Str, i, 1)) < 0) Then 7 Length = Length + 2 8 Else 9 Length = Length ...
(View v){String sex="";//定义sex来接收单选框选择的内容if(men.isChecked())sex="男";//如果点击了男elseif(women.isChecked())sex="女";//如果点击了女elsesex="未选择";//如果未点击//将选择信息在提示框输出Toast.makeText(MainActivity.this,"性别是:"+sex,Toast.LENGTH_LONG).show();}})...
冷启动过程中会创建一个空白的 Window,等到应用创建第一个 Activity 后才将该 Window 替换。如果你的 Application 或 Activity 启动的过程太慢,导致系统的 BackgroundWindow 没有及时被替换,就会出现启动时白屏或黑屏的情况。 这样会造成用户感觉到当点击 App 图标时会有卡顿现象。为了解决这一问题,Google 的做法是...
Intent intent =newIntent(ACTION_SENDTO); intent.setData(Uri.parse("mailto:"));// only email apps should handle this intent.putExtra(Intent.EXTRA_SUBJECT, getString(R.string.email_subject, name)); intent.putExtra(Intent.EXTRA_TEXT, createOrderSummary(price, hasWhippedCream, hasChocolate, name...
获取和注销Token 获取Push Token [h2]场景介绍 Token是每台设备上每个应用的唯一标识,应用调用ge……欲了解更多信息欢迎访问华为HarmonyOS开发者官网
publicvoidonStartFileMd5Valid(String filePath, String fileSize){//开启文件md5校验}@OverridepublicvoidonFinishFileMd5Valid(booleansuccess){//完成文件校验}@OverridepublicvoidonDownloadFinish(String url, String filePath){//下载完成}@OverridepublicvoidonDownloadError(String url,interrorCode, String msg){/...
public VipWatchModel(String tipStr, long canWatchTime) VipWatchModel 接口参数说明: 参数名 类型 描述 tipStr String 试看提示信息 canWatchTime Long 试看时长,单位为秒 7、动态水印 播放器组件支持在播放界面添加不规则跑动的文字水印,有效防盗录。全屏播放模式和窗口播放模式均可展示水印,开发者可修改水印文本...