package mars.helloworld;import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ProgressBar;public class HelloworldActivity extends Activity {
/** Called when the activity is first created. */
private Button bt;
private ProgressDialog pDialog;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final Handler handler1=new Handler();
final Handler handler2=new Handler();
final Runnable Thread1=new Runnable()
{ @Override
public void run() {
// TODO Auto-generated method stub
for(int i=10000;i>=0;i--)
{
System.out.println("i"+i);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} }
}
};
final Runnable Thread2=new Runnable()
{ @Override
public void run() {
// TODO Auto-generated method stub
for(int y=1000;y>=0;y--)
{
System.out.println("y"+y);
}
}
};
bt=(Button)findViewById(R.id.bt1);
bt.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
handler1.post(Thread1);
handler2.post(Thread2);
}
});
}
}
上面的代码定义了两个线程,为什么两个线程不是异步的,要Thread1执行完了Thread2才执行,而且还会卡UI,搞不懂,求教。
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ProgressBar;public class HelloworldActivity extends Activity {
/** Called when the activity is first created. */
private Button bt;
private ProgressDialog pDialog;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final Handler handler1=new Handler();
final Handler handler2=new Handler();
final Runnable Thread1=new Runnable()
{ @Override
public void run() {
// TODO Auto-generated method stub
for(int i=10000;i>=0;i--)
{
System.out.println("i"+i);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} }
}
};
final Runnable Thread2=new Runnable()
{ @Override
public void run() {
// TODO Auto-generated method stub
for(int y=1000;y>=0;y--)
{
System.out.println("y"+y);
}
}
};
bt=(Button)findViewById(R.id.bt1);
bt.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
handler1.post(Thread1);
handler2.post(Thread2);
}
});
}
}
上面的代码定义了两个线程,为什么两个线程不是异步的,要Thread1执行完了Thread2才执行,而且还会卡UI,搞不懂,求教。
解决方案 »
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