public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final ThraedDemo objDemo = new ThraedDemo();
Thread objThread = new Thread() {
@Override
public void run() {
objDemo.firstMethod();
}
};
objThread.start();
}
class ThraedDemo {
private void firstMethod() {
Thread objThread = new Thread() {
@Override
public void run() {
try {
((ImageView)findViewById(R.id.ImageViewnumber)).setImageResource(nums[n]);
Thread.sleep(10000);
Log.v("Thread","1111111111111111sleep");
} catch (InterruptedException ex) {
System.out.println("interuped exception" + ex.getMessage());
}
secondMethod();
}
private void secondMethod() {
Thread objThread = new Thread() {
@Override
public void run() {
try {
((ImageView)findViewById(R.id.ImageViewResult)).setImageResource(nums[n+1]);
n++;
Thread.sleep(10000);
Log.v("Thread","22222222222 sleep");
} catch (InterruptedException ex) {
System.out.println("interuped exception" + ex.getMessage());
}
firstMethod();
}
};
objThread.start();
}
};
objThread.start();
}
}
我使用上面的代码,但它没有运行。它得到 CalledFromWrongThreadException
上面代码中的问题是什么。请给我一些建议。提前致谢
最佳答案
我认为您不能从 UI 线程以外的其他线程进行 View 修改,因此要么创建 handlers在 oncreate 中发布你的线程,或者使用 AsyncTask , 或 runOnUIThread将部分代码直接发送到 UI 线程的方法。
关于android - CalledFromWrongThreadException,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/3413544/