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我有一个按钮,点击上加载RSS feed.i要加载进度条,直到我的列表opens.i已经创建了一个进度条,它的工作原理,但我按下按钮返回到主菜单中的进度条会再次出现和它不停止(甚至没有让我看到我的菜单)。这是我的代码Android的进度问题
ProgressBar myProgressBar;
int myProgress = 0;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main1);
Button nea = (Button) findViewById(R.id.nea);
nea.setOnClickListener(new View.OnClickListener() {
public void onClick (View view) {
setContentView(R.layout.bar);
myProgressBar=(ProgressBar)findViewById(R.id.bar);
new Thread(myThread).start();
Intent myIntent = new Intent(view.getContext(), nea.class);
startActivityForResult(myIntent, 0);
}
});
}
,然后出的onCreate
private Runnable myThread = new Runnable(){
@Override
public void run() {
// TODO Auto-generated method stub
while (myProgress<100){
try{
myHandle.sendMessage(myHandle.obtainMessage());
Thread.sleep(1000);
}
catch(Throwable t){
}
}
}
Handler myHandle = new Handler(){
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
myProgress++;
myProgressBar.setProgress(myProgress);
}
};
};