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package com.example.progressdialog;
import com.example.progressdialog.R;
import android.os.Bundle;
import android.app.Activity;
import android.app.ProgressDialog;
import android.view.Menu;
import android.view.View;
public class MainActivity extends Activity {
private ProgressDialog progress;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
progress = new ProgressDialog(this);
}
public void open(View view){
progress.setMessage("Start This Baby Up!");
progress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progress.setIndeterminate(false);
progress.show();
final int totalProgressTime = 100;
final Thread t = new Thread(){
@Override
public void run(){
int jumpTime = 0;
while(jumpTime < totalProgressTime){
try {
sleep(500);
jumpTime += 1;
progress.setProgress(0);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
};
t.start();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
我似乎無法讓我的進度條實際前進。它只是顯示一個靜態0/100欄。我試圖讓它以平穩的方式前進大約30-45秒完成。有人能告訴我我做錯了什麼嗎?我對Java很陌生!謝謝!爲什麼我的進度欄無法使用?
既然你是新來的,請考慮設置這個答案作爲解決方案,所以其他社區成員知道,他們不必看這個問題。 –