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package com.example.testprogress;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ProgressDialog;
@SuppressLint("HandlerLeak")
public class MainActivity extends Activity {
private ProgressDialog progressDialog = null;
private boolean flag = true;
private int count = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
progressDialog = new ProgressDialog(this);
progressDialog.setMessage("数据获取中...");
progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
progressDialog.setCancelable(false);//是否可以被返回键取消
progressDialog.show();
for(int i=0; i<100; i++){
new Thread(mRunnable).start();
}
}
private Runnable mRunnable = new Runnable(){
@Override
public void run() {
while(flag){
try {
Thread.sleep(1000);
count ++;
mHandler.sendMessage(mHandler.obtainMessage());
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
};
private Handler mHandler = new Handler(){
public void handleMessage(Message msg){
Log.v("article", Thread.currentThread().getId()+"");
if(count >= 4){
flag = false;
progressDialog.dismiss();
}
}
};
}