如何在Android中以定义的时间间隔运行可运行线程？

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handler = new Handler();
Runnable r = new Runnable() {
    public void run() {
        tv.append("Hello World");               
handler.postDelayed(r, 1000);

handler = new Handler();
final Runnable r = new Runnable() {
    public void run() {
        tv.append("Hello World");
        handler.postDelayed(this, 1000);
handler.postDelayed(r, 1000);

Thread thread = new Thread() {
    @Override
    public void run() {
        try {
            while(true) {
                sleep(1000);
                handler.post(this);
        } catch (InterruptedException e) {
            e.printStackTrace();
thread.start();

Handler handler=new Handler();
Runnable r = new Runnable(){
    public void run() {
        tv.append("Hello World");                       
        handler.postDelayed(r, 1000);
handler.post(r);

new Handler().postDelayed(new Runnable() {
    public void run() {
        // do something...              
}, 100);

try {    
    cnt++; scnt++;
    now=System.currentTimeMillis();
    r=rand.nextInt(6); r++;    
    loc=lm.getLastKnownLocation(best);    
    if(loc!=null) { 
        lat=loc.getLatitude();
        lng=loc.getLongitude(); 
    Thread.sleep(100); 
    handler.sendMessage(handler.obtainMessage());
} catch (InterruptedException e) {   
    Toast.makeText(this, "Error="+e.toString(), Toast.LENGTH_LONG).show();
}

class SimpleRunnable: Runnable {
    public override fun run() {
        println("${Thread.currentThread()} has run.")
fun main(args: Array<String>) {
    val thread = SimpleThread()
    thread.start() // Will output: Thread[Thread-0,5,main] has run.
    val runnable = SimpleRunnable()
    val thread1 = Thread(runnable)
    thread1.start() // Will output: Thread[Thread-1,5,main] has run
}

private lateinit var runnable: Runnable
override fun onCreate(savedInstanceState: Bundle?) {
    val handler = Handler()
    runnable = Runnable {
        // do your work
        handler.postDelayed(runnable, 2000)
    handler.postDelayed(runnable, 2000)
}

Runnable runnable;
Handler handler;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    handler = new Handler();
    runnable = new Runnable() {
        @Override
        public void run() {
            // do your work
            handler.postDelayed(this, 1000);

如何在Android中以定义的时间间隔运行可运行线程？ 内容来源于 Stack Overflow，遵循 CC BY-SA 4.0 许可协议进行翻译与使用。IT领域专用引擎提供翻译支持 腾讯云小微IT领域专用引擎提供翻译支持

7 个回答