Android 试图在后台制作倒计时
我试图在一个doInbackGround里做一个倒计时,但是它给我返回了这个错误。为什么我不能把这个放在doInBackGround里面呢。我这样做的最后一步更长的执行Android 试图在后台制作倒计时,android,android-asynctask,Android,Android Asynctask,我试图在一个doInbackGround里做一个倒计时,但是它给我返回了这个错误。为什么我不能把这个放在doInBackGround里面呢。我这样做的最后一步更长的执行 这个任务我得打两次电话。当我第一次调用它时,它并没有更新变量retronoservidor。我认为没有时间执行http.postData 10-04 09:48:59.719: E/AndroidRuntime(18894): FATAL EXCEPTION: AsyncTask #1 10-04 09:48:59.719: E
这个任务我得打两次电话。当我第一次调用它时,它并没有更新变量retronoservidor。我认为没有时间执行http.postData
10-04 09:48:59.719: E/AndroidRuntime(18894): FATAL EXCEPTION: AsyncTask #1
10-04 09:48:59.719: E/AndroidRuntime(18894): java.lang.RuntimeException: An error occured while executing doInBackground()
10-04 09:48:59.719: E/AndroidRuntime(18894): at android.os.AsyncTask$3.done(AsyncTask.java:200)
10-04 09:48:59.719: E/AndroidRuntime(18894): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:274)
10-04 09:48:59.719: E/AndroidRuntime(18894): at java.util.concurrent.FutureTask.setException(FutureTask.java:125)
10-04 09:48:59.719: E/AndroidRuntime(18894): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:308)
10-04 09:48:59.719: E/AndroidRuntime(18894): at java.util.concurrent.FutureTask.run(FutureTask.java:138)
10-04 09:48:59.719: E/AndroidRuntime(18894): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
10-04 09:48:59.719: E/AndroidRuntime(18894): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
10-04 09:48:59.719: E/AndroidRuntime(18894): at java.lang.Thread.run(Thread.java:1019)
10-04 09:48:59.719: E/AndroidRuntime(18894): Caused by: java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
10-04 09:48:59.719: E/AndroidRuntime(18894): at android.os.Handler.<init>(Handler.java:121)
10-04 09:48:59.719: E/AndroidRuntime(18894): at android.os.CountDownTimer$1.<init>(CountDownTimer.java:109)
10-04 09:48:59.719: E/AndroidRuntime(18894): at android.os.CountDownTimer.<init>(CountDownTimer.java:109)
10-04 09:48:59.719: E/AndroidRuntime(18894): at br.com.c.Helper.AsyncTaskCodigo$1.<init>(AsyncTaskCodigo.java:53)
10-04 09:48:59.719: E/AndroidRuntime(18894): at br.com.asdf.Helper.AsyncTaskCodigo.doInBackground(AsyncTaskCodigo.java:53)
10-04 09:48:59.719: E/AndroidRuntime(18894): at br.com.sdfs.Helper.AsyncTaskCodigo.doInBackground(AsyncTaskCodigo.java:1)
10-04 09:48:59.719: E/AndroidRuntime(18894): at android.os.AsyncTask$2.call(AsyncTask.java:185)
10-04 09:48:59.719: E/AndroidRuntime(18894): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
10-04 09:48:59.719: E/AndroidRuntime(18894): ... 4 more
10-04 09:49:06.089: E/WindowManager(18894): Activity br.com.sdf.sdf.Activities.TelaCodigoActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@40684d20 that was originally added here
10-04 09:49:06.089: E/WindowManager(18894): android.view.WindowLeaked: Activity br.com.sdf2.sdf.Activities.TelaCodigoActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@40684d20 that was originally added here
10-04 09:49:06.089: E/WindowManager(18894): at android.view.ViewRoot.<init>(ViewRoot.java:261)
10-04 09:49:06.089: E/WindowManager(18894): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:170)
10-04 09:49:06.089: E/WindowManager(18894): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:113)
10-04 09:49:06.089: E/WindowManager(18894): at android.view.Window$LocalWindowManager.addView(Window.java:424)
10-04 09:49:06.089: E/WindowManager(18894): at android.app.Dialog.show(Dialog.java:241)
10-04 09:49:06.089: E/WindowManager(18894): at android.app.ProgressDialog.show(ProgressDialog.java:107)
10-04 09:49:06.089: E/WindowManager(18894): at android.app.ProgressDialog.show(ProgressDialog.java:90)
10-04 09:49:06.089: E/WindowManager(18894): at br.com.sdf.Helper.AsyncTaskCodigo.onPreExecute(AsyncTaskCodigo.java:36)
10-04 09:49:06.089: E/WindowManager(18894): at android.os.AsyncTask.execute(AsyncTask.java:391)
10-04 09:49:06.089: E/WindowManager(18894): at br.com.sdf.sdf.Activities.TelaCodigoActivity$1.onClick(TelaCodigoActivity.java:72)
10-04 09:49:06.089: E/WindowManager(18894): at android.view.View.performClick(View.java:2485)
10-04 09:49:06.089: E/WindowManager(18894): at android.view.View$PerformClick.run(View.java:9080)
10-04 09:49:06.089: E/WindowManager(18894): at android.os.Handler.handleCallback(Handler.java:587)
10-04 09:49:06.089: E/WindowManager(18894): at android.os.Handler.dispatchMessage(Handler.java:92)
10-04 09:49:06.089: E/WindowManager(18894): at android.os.Looper.loop(Looper.java:130)
10-04 09:49:06.089: E/WindowManager(18894): at android.app.ActivityThread.main(ActivityThread.java:3687)
10-04 09:49:06.089: E/WindowManager(18894): at java.lang.reflect.Method.invokeNative(Native Method)
10-04 09:49:06.089: E/WindowManager(18894): at java.lang.reflect.Method.invoke(Method.java:507)
10-04 09:49:06.089: E/WindowManager(18894): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:878)
10-04 09:49:06.089: E/WindowManager(18894): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:636)
10-04 09:49:06.089: E/WindowManager(18894): at dalvik.system.NativeStart.main(Native Method)
10-04 09:48:59.719:E/AndroidRuntime(18894):致命异常:AsyncTask#1
10-04 09:48:59.719:E/AndroidRuntime(18894):java.lang.RuntimeException:执行doInBackground()时出错
10-04 09:48:59.719:E/AndroidRuntime(18894):在android.os.AsyncTask$3.done(AsyncTask.java:200)
10-04 09:48:59.719:E/AndroidRuntime(18894):位于java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:274)
10-04 09:48:59.719:E/AndroidRuntime(18894):位于java.util.concurrent.FutureTask.setException(FutureTask.java:125)
10-04 09:48:59.719:E/AndroidRuntime(18894):在java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:308)
10-04 09:48:59.719:E/AndroidRuntime(18894):在java.util.concurrent.FutureTask.run(FutureTask.java:138)
10-04 09:48:59.719:E/AndroidRuntime(18894):位于java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
10-04 09:48:59.719:E/AndroidRuntime(18894):位于java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
10-04 09:48:59.719:E/AndroidRuntime(18894):在java.lang.Thread.run(Thread.java:1019)处
10-04 09:48:59.719:E/AndroidRuntime(18894):原因:java.lang.RuntimeException:无法在未调用Looper.prepare()的线程内创建处理程序
10-04 09:48:59.719:E/AndroidRuntime(18894):位于android.os.Handler.(Handler.java:121)
10-04 09:48:59.719:E/AndroidRuntime(18894):在android.os.CountDownTimer$1。(CountDownTimer.java:109)
10-04 09:48:59.719:E/AndroidRuntime(18894):在android.os.CountDownTimer.(CountDownTimer.java:109)
10-04 09:48:59.719:E/AndroidRuntime(18894):在br.com.c.Helper.AsyncTaskCodigo$1。(AsyncTaskCodigo.java:53)
10-04 09:48:59.719:E/AndroidRuntime(18894):在br.com.asdf.Helper.AsyncTaskCodigo.doInBackground(AsyncTaskCodigo.java:53)
10-04 09:48:59.719:E/AndroidRuntime(18894):在br.com.sdfs.Helper.AsyncTaskCodigo.doInBackground(AsyncTaskCodigo.java:1)
10-04 09:48:59.719:E/AndroidRuntime(18894):在android.os.AsyncTask$2.call(AsyncTask.java:185)
10-04 09:48:59.719:E/AndroidRuntime(18894):位于java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
10-04 09:48:59.719:E/AndroidRuntime(18894):。。。4更多
10-04 09:49:06.089:E/WindowManager(18894):活动br.com.sdf.sdf.Activities.TelaCodigoActivity已泄漏window com.android.internal.policy.impl.PhoneWindow$DecorView@40684d20原来是加在这里的
10-04 09:49:06.089:E/WindowManager(18894):android.view.WindowLeaked:Activity br.com.sdf2.sdf.Activities.TelaCodigoActivity已泄漏window com.android.internal.policy.impl.PhoneWindow$DecorView@40684d20原来是加在这里的
10-04 09:49:06.089:E/WindowManager(18894):在android.view.ViewRoot。(ViewRoot.java:261)
10-04 09:49:06.089:E/WindowManager(18894):在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:170)
10-04 09:49:06.089:E/WindowManager(18894):在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:113)
10-04 09:49:06.089:E/WindowManager(18894):在android.view.Window$LocalWindowManager.addView(Window.java:424)
10-04 09:49:06.089:E/WindowManager(18894):在android.app.Dialog.show(Dialog.java:241)
10-04 09:49:06.089:E/WindowManager(18894):在android.app.ProgressDialog.show(ProgressDialog.java:107)上
10-04 09:49:06.089:E/WindowManager(18894):在android.app.ProgressDialog.show(ProgressDialog.java:90)上
10-04 09:49:06.089:E/WindowManager(18894):位于br.com.sdf.Helper.AsyncTaskCodigo.onPreExecute(AsyncTaskCodigo.java:36)
10-04 09:49:06.089:E/WindowManager(18894):位于android.os.AsyncTask.execute(AsyncTask.java:391)
10-04 09:49:06.089:E/WindowManager(18894):在br.com.sdf.sdf.Activities.TelaCodigoActivity$1.onClick(TelaCodigoActivity.java:72)
10-04 09:49:06.089:E/WindowManager(18894):在android.view.view.performClick(view.java:2485)上
10-04 09:49:06.089:E/WindowManager(18894):在android.view.view$PerformClick.run(view.java:9080)
10-04 09:49:06.089:E/WindowManager(18894):位于android.os.Handler.handleCallback(Handler.java:587)
10-04 09:49:06.089:E/WindowManager(18894):位于android.os.Handler.dispatchMessage(Handler.java:92)
10-04 09:49:06.089:E/WindowManager(18894):位于android.os.Looper.loop(Looper.java:130)
10-04 09:49:06.089:E/WindowManager(18894):位于android.app.ActivityThread.main(ActivityThread.java:3687)
10-04 09:49:06.089:E/WindowManager(18894):位于java.lang.reflect.Method.Invokenactive(本机方法)
10-04 09:49:06.089:E/WindowManager(18894):位于java.lang.reflect.Method.invoke(Method.java:507)
10-04 09:49:06.089:E/WindowManager(18894):位于com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:878)
10-04 09:49:06.089:E/WindowManager(18894):位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:636)
10-04 09:49:06.089:E/WindowManager(18894):在dalvik.system.NativeStart.main(本机方法)
代码
公共类AsyncTaskCodigo扩展了AsyncTask{
语境;
进程对话进程;
字符串codigo;
长伊杜萨里奥;
HttpRequest http=newhttprequest();
公共异步任务codigo(上下文连接、字符串codigo、长idUsuario){
this.context=conetex;
this.codigo=codigo;
this.idUsuario=idUsuario;
}
@凌驾
受保护的void onPreExecute(){
progress=ProgressDialog.show(上下文“aguard!”,“Verificando o seu cófdigo…”,true);
}
@凌驾
受保护的字符串doInBackground(字符串…arg0){
JSONObject json=新的JSONObject();
试一试{
put(“Codigo”,Codigo);
public class AsyncTaskCodigo extends AsyncTask<String, Integer, String>{
Context context;
ProgressDialog progress;
String codigo;
long idUsuario;
HttpRequest http = new HttpRequest();
public AsyncTaskCodigo(Context conetex, String codigo, long idUsuario){
this.context = conetex;
this.codigo = codigo;
this.idUsuario = idUsuario;
}
@Override
protected void onPreExecute() {
progress = ProgressDialog.show(context, "Aguarde!", "Verificando o seu cófdigo...", true);
}
@Override
protected String doInBackground(String... arg0) {
JSONObject json = new JSONObject();
try{
json.put("Codigo", codigo);
json.put("Id_Usuario", idUsuario);
http.postData(http.getUrltesteusuariocodigo(), json);
publishProgress(1);
if(http.temp.trim().equals("Yes")){
TelaCodigoActivity.retornoServidor = "Yes";
} else {
TelaCodigoActivity.retornoServidor = "No";
}
} catch (JSONException e) {
e.printStackTrace();
}
return "ok";
}
@Override
protected void onPostExecute(String result) {
try {
progress.dismiss();
progress = null;
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
protected void onProgressUpdate(Integer... values) {
new CountDownTimer(3000,1000) {
@Override
public void onFinish() {
}
@Override
public void onTick(long millisUntilFinished) {
}
}.start();
}
@Override
protected String doInBackground(Object... arg0) {
JSONObject json = new JSONObject();
try{
json.put("Codigo", codigo);
json.put("Id_Usuario", idUsuario);
http.postData(http.getUrltesteusuariocodigo(), json);
publishProgress();
if(http.temp.toString().trim().equals("Yes")){
TelaCodigoActivity.retornoServidor = "Yes";
} else {
TelaCodigoActivity.retornoServidor = "No";
}
} catch (JSONException e) {
e.printStackTrace();
}
return "ok";
}
@Override
protected void onPostExecute(String result) {
try {
progress.dismiss();
progress = null;
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
protected void onProgressUpdate(String... values) {
new CountDownTimer(3000, 1000) {
@Override
public void onFinish() {
}
@Override
public void onTick(long millisUntilFinished) {
// TODO Auto-generated method stub
}
}.start();
}