android中的字体闪烁

package com.android.WordAnimation; import java.util.Timer; import java.util.TimerTask; import android.app.Activity; import android.graphics.Color; import android.os.Bundle; import android.widget.TextView; public class WordAnimationActivity extends Activity { private int clo = 0; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); spark(); } public void spark() { final TextView touchScreen = (TextView)findViewById(R.id.TextView01); Timer timer = new Timer(); TimerTask taskcc = new TimerTask() { public void run() { runOnUiThread(new Runnable() { public void run() { if (clo == 0) { clo = 1; touchScreen.setTextColor(Color.TRANSPARENT); } else { if (clo == 1) { clo = 2; touchScreen.setTextColor(Color.YELLOW); } else if (clo == 2){ clo = 3; touchScreen.setTextColor(Color.RED); } else { clo = 0; touchScreen.setTextColor(Color.BLUE); } } } }); } }; timer.schedule(taskcc, 1, 100); } } android的字体闪烁效果，timer.schedule(taskcc, 1, 100);其中的参数是： 第二个参数分别是delay（多长时间后执行），第三个参数是：duration（执行间隔）单位为：ms