先上Android實(shí)現(xiàn)文字逐字顯示出來效果圖,供大家參考,具體內(nèi)容如下

可以采用自定義TextView的方式去實(shí)現(xiàn),也可才用定時(shí)更新文字顯示,思路是讓TextView每隔一秒顯示以一個(gè)字符串(并非每一秒多出來一個(gè)漢字),那么就簡(jiǎn)單了,可以開啟一個(gè)線程,那么線程主要方法如下:
public static void startTv(final int n) { new Thread( new Runnable() { @Override public void run() { try { final String stv = s.substring(0, n);//截取要填充的字符串 tv.post(new Runnable() { @Override public void run() { tv.setText(stv); } }); Thread.sleep(time);//休息片刻 nn = n + 1;//n+1;多截取一個(gè) if (nn <= length) {//如果還有漢字,那么繼續(xù)開啟線程,相當(dāng)于遞歸的感覺 startTv(nn); } } catch (InterruptedException e) { e.printStackTrace(); } } } ).start();}完整代碼如下:
1.Activity
public class TiaoZiActivity extends Activity { private TextView textView; private String s = "天生我才必有用,千金散盡還福來--李白/n你挑著但,我騎著馬--唐僧/n年后打藍(lán)思科技卡死了減肥的 kjdsfkjsjkdsfj kjdflskjklfjsljdflsjkldfjsljdflsjdfkl";; private TiaoZiUtil tiaoziUtil; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_tiaozi); textView = ((TextView) findViewById(R.id.tv_text)); tiaoziUtil = new TiaoZiUtil(textView, s, 100);//調(diào)用構(gòu)造方法,直接開啟 } @Override protected void onDestroy() { super.onDestroy(); }}2.工具類
public class TiaoZiUtil { private static TextView tv; private static String s; private static int length; private static long time; static int n = 0; private static int nn; public TiaoZiUtil(TextView tv, String s, long time) { this.tv = tv;//textview this.s = s;//字符串 this.time = time;//間隔時(shí)間 this.length = s.length(); startTv(n);//開啟線程 } public static void startTv(final int n) { new Thread( new Runnable() { @Override public void run() { try { final String stv = s.substring(0, n);//截取要填充的字符串 tv.post(new Runnable() { @Override public void run() { tv.setText(stv); } }); Thread.sleep(time);//休息片刻 nn = n + 1;//n+1;多截取一個(gè) if (nn <= length) {//如果還有漢字,那么繼續(xù)開啟線程,相當(dāng)于遞歸的感覺 startTv(nn); } } catch (InterruptedException e) { e.printStackTrace(); } } } ).start(); }}3.布局文件
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <TextView android:id="@+id/tv_text" android:layout_width="match_parent" android:layout_height="200dp" /> <TextView android:id="@+id/mytext" android:layout_width="match_parent" android:layout_height="200dp" /></LinearLayout>
以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持VEVB武林網(wǎng)。
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