Java 如何退出runnable并切换另一个活动

Java 如何退出runnable并切换另一个活动,java,android,Java,Android,我有一个textview计时器,我希望它在显示器上显示10秒后停止,并且在我当前活动跳转到其他活动的10秒后停止 Runnable runnable = new Runnable() { @Override public void run() { while(Running) { try{ Thread.sleep(1000);

我有一个textview计时器,我希望它在显示器上显示10秒后停止,并且在我当前活动跳转到其他活动的10秒后停止

Runnable runnable = new Runnable()
    {
        @Override
        public void run()
        {
            while(Running)
            {
                try{
                Thread.sleep(1000);
            }catch(InterruptedException e)
            {
                e.printStackTrace();
            }
                handler.post(new Runnable()
                {
                    @Override
                    public void run()
                    {
                        number+=1;
                        tvTimer.setText(String.valueOf(number)); //With setting value of number on textfield ITS POSSIBLE TO SEE THE TIMER
                        if(number==10)
                        {
                            Running = false;
                            handler.removeCallbacks(this);//that does not works for me to stop 

                            Intent i = new Intent(getApplicationContext(), SonucMenu.class); 
                            startActivity(i); //Starting my second class

                        }
                    }

                });

            }

        }
我的第二个活动开始了,但是第二个活动的布局不止一次,我想要的是它只出现一次,我认为这个问题取决于我不能停止runnable

这里是我完整的原始代码 主课

package com.marburg.leftright;

import java.util.Random;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.ThreadPoolExecutor;

import com.marburg.leftright.R;

import android.support.v7.app.ActionBarActivity;
import android.app.Activity;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Handler;
import android.view.Menu;  
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;


public class MainActivity extends Activity {

 static Random rnd=new Random();
 static int rndN = rnd.nextInt(2);
 TextView inf,tvSc, tvTimer;
 Button btnL, btnR;
 int ScoreRhtg = 0;
 int ScoreFls  = 0;
 String right = "RIGHT";
 String left = "LEFT";
 private int number;
 private Handler handler;
 private boolean Running = true;
 MediaPlayer mySound;



   public void sendData()
{
 String rData = Integer.toString(ScoreRhtg); //Score Of Right Answer Data setting
 String wData = Integer.toString(ScoreFls);
 Intent i = new Intent(getApplicationContext(), SonucMenu.class); 
 i.putExtra("DATA", rData);
 i.putExtra("DATA2", wData);
 startActivity(i);
}

还有我的第二个类SonucMenu.java

package com.example.timerdeneme2;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;


public class SonucMenu extends MainActivity {


public TextView tvCorr, tvWro;
public Button btnNew, btnCls;

@Override
public void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.sonuc_menu);
    Intent i = getIntent();
    Bundle dataBundle = i.getExtras();
    String dataRString = dataBundle.getString("DATA");
    String dataWString = dataBundle.getString("DATA2");
    TextView tv = (TextView)findViewById(R.id.tvCorr);
    TextView tvW = (TextView)findViewById(R.id.tvWro);
    tv.setText(dataRString);
    tvW.setText(dataWString);

    btnNew = (Button)findViewById(R.id.btnNew);
       btnNew.setOnClickListener(new View.OnClickListener()
        {
            @Override
            public void onClick(View v)
            {

                Toast.makeText(getApplicationContext(), "this is my Toast message!!! =)",
                           Toast.LENGTH_LONG).show();
                Intent myIntent = new Intent(SonucMenu.this, MainActivity.class);
                //myIntent.putExtra("key", value); //Optional parameters
                SonucMenu.this.startActivity(myIntent);
                }
        });

       btnCls=(Button)findViewById(R.id.btnEx);

       btnCls.setOnClickListener(new View.OnClickListener() {

           @Override
           public void onClick(View arg0) {
           android.os.Process.killProcess(android.os.Process.myPid());
               System.exit(1);

           }
       });



}
}
和XML布局lr.XML

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="16dp"
android:layout_marginTop="10dp"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.marburg.leftright.MainActivity" >

<TextView
    android:id="@+id/tvResCorr"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />

<TableLayout
    android:id="@+id/tableLayout1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignTop="@+id/tvResCorr"
    android:layout_marginTop="14dp"
    android:layout_toRightOf="@+id/tvResCorr" >

    <TableRow
        android:id="@+id/tableRow1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >

        <Button
            android:id="@+id/btnL"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:text="L"
            android:textSize="70dp" />

        <Button
            android:id="@+id/btnR"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:layout_marginLeft="50dp"
            android:text="R"
            android:textSize="70dp" />

    </TableRow>

    <TableRow
        android:id="@+id/tableRow2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >
    </TableRow>

    <TableRow
        android:id="@+id/tableRow3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >
    </TableRow>

 </TableLayout>

 <TextView
    android:id="@+id/tvInfo"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignLeft="@+id/tableLayout1"
    android:layout_alignRight="@+id/tableLayout1"
    android:layout_below="@+id/tableLayout1"
    android:layout_marginLeft="10dp"
    android:layout_marginTop="200dp"
    android:gravity="center"
    android:text="Info"
    android:textSize="24dp" />

 <TextView
    android:id="@+id/tvScore"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignLeft="@+id/tableLayout1"
    android:layout_alignRight="@+id/tableLayout1"
    android:layout_below="@+id/tvInfo"
    android:layout_marginLeft="10dp"
    android:layout_marginTop="20dp"
    android:gravity="center"
    android:text="Score"
    android:textSize="24dp" />

<TextView
    android:id="@+id/tvTimer"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@+id/tableLayout1"
    android:layout_centerHorizontal="true"
    android:text="Time" />

</RelativeLayout>

和sonuc_menu.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.marburg.leftright.MainActivity" >

<TableLayout
    android:id="@+id/tableLayout1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
    android:layout_alignParentTop="true"
    android:layout_marginTop="36dp" >

    <TableRow
        android:id="@+id/tableRow1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >

        <TextView
            android:id="@+id/tvResCorr"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Correctness:" />

        <TextView
            android:id="@+id/tvCorr"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20sp"
            android:text="X" />
    </TableRow>

    <TableRow
        android:id="@+id/tableRow2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >

        <TextView
            android:id="@+id/tvResWro"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Wrongness" />

        <TextView
            android:id="@+id/tvWro"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="20sp"
            android:text="X" />
    </TableRow>
</TableLayout>

<TableLayout
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignLeft="@+id/tableLayout1"
    android:layout_below="@+id/tableLayout1"
    android:layout_marginTop="113dp" >

    <TableRow
        android:id="@+id/tableRow3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >

        <Button
            android:id="@+id/btnNew"
            android:layout_width="300dp"
            android:layout_height="wrap_content"
            android:text="NEW" />
    </TableRow>

    <TableRow
        android:id="@+id/tableRow4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >

        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="BEST SCORES" />
    </TableRow>

    <TableRow
        android:id="@+id/tableRow5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >
    </TableRow>

    <Button
        android:id="@+id/btnEx"
        android:layout_width="300dp"
        android:layout_height="wrap_content"
        android:text="EXIT" />

    <TableRow
        android:id="@+id/tableRow6"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" >
    </TableRow>
</TableLayout>

</RelativeLayout>

使用和,无需创建其他线程

private TextView tvTimer;
private final Runnable mCountDownRunnable = new Runnable() {
    private int mCount = 0;
    @Override
    public void run() {
        mCount++;
        if (mCount < 10) {
            tvTimer.setText(Integer.toString(mCount));
            tvTimer.postDelayed(this, 1000);
        } else {
            Intent i = new Intent(YourActivity.this, SonucMenu.class);
            YourActivity.this.startActivity(i);
        }
    }
};
private TextView tvTimer;
private final Runnable mcountdownlunnable=new Runnable(){
私有整数mCount=0;
@凌驾
公开募捐{
mCount++;
如果(mCount<10){
setText(整数.toString(mCount));
tvTimer.postDelayed(这个,1000);
}否则{
意向i=新意向(YourActivity.this,SonucMenu.class);
你的活动。这个。星体触觉(i);
}
}
};

要启动runnable,请调用tvTimer.post(mCountDownRunnable)

我认为您可以使用以下代码,它对我很有用。
它将在10秒后开始您的活动。

new Handler().postDelay(new Runnable() {          
@Override
public void run() {

Start Your activity here.

    }
}, 10000);

但最好的解决方案之一是(我刚从开发者网站上找到):


}.start()

Runnable在到达
run
的最后一行时停止。你认为哪个
run
方法不会停止,为什么?我想知道变量数(计数器)在10时停止,这种情况是在我的内部run方法中,该方法以number+=1开始。该代码看起来不错,但在开始“YourActivity.this.startActivity(I);”时应用程序关闭使用活动的类名重命名
YourActivity
。我在MainActivity中也这样做了。this.startActivity(i);不幸的是,它不起作用:(发布logcat或更多代码,您是否将runnable定义为活动的成员?SonucMenu如何??我在上面发布了完整的原始代码
new Handler().postDelay(new Runnable() {          
@Override
public void run() {

Start Your activity here.

    }
}, 10000);
new CountDownTimer(10000, 1000) {

 public void onTick(long millisUntilFinished) {
     mTextField.setText("seconds remaining: " + millisUntilFinished / 1000);
 }

 public void onFinish() {
     strat your activity here.
 }