版本更新

来源：互联网发布：蜂鸟众包网络异常编辑：程序博客网时间：2024/06/07 07:16

public class MainActivity extends Activity {

   private String url="http://www.oschina.net/uploads/osc-android-v2.6.4-release.apk";
   private String sdPath = "/sdcard/" + System.currentTimeMillis() + "yuyin.apk";
   private Button mBtn;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
       mBtn = (Button) findViewById(R.id.btn);
    }

   public void btn(View v){
       HttpUtils httpUtils=new HttpUtils();
       httpUtils.download(url, sdPath, true, new RequestCallBack<File>() {

       @Override
       public void onSuccess(ResponseInfo<File> arg0) {
           mBtn.setText("下载完成");
           //路径
           String path = arg0.result.getPath();
            File file = new File(path);
           Intent intent = new Intent(Intent.ACTION_VIEW);
           intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
           startActivity(intent);
       }

       @Override
       public void onFailure(HttpException arg0, String arg1) {
           mBtn.setText("下载失败");
       }
       @Override
       public void onLoading(long total, long current, boolean isUploading) {
           // TODO Auto-generated method stub
           super.onLoading(total, current, isUploading);
           mBtn.setText("正在下载.....");
           ProgressDialog dialog=new ProgressDialog(MainActivity.this);
           dialog.setTitle("正在下载....");
           dialog.setMax((int) total);
           dialog.setProgress((int) current);
           dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);

       }
       @Override
       public void onStart() {
           super.onStart();
           mBtn.setText("开始下载");
       }
   });
   }

}

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