Java 如何退出runnable并切换另一个活动
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);
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)代码>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.
}