XUtils还真不好下,有原码,jar包比较不好找。这是最新版地址:http://download.youkuaiyun.com/download/atgeretg/10218379
***XUtils要行进行初始化才能用
初始化XUtils:
public class BaseApplication extends Application {
@Override
public void onCreate() {
super.onCreate();
x.Ext.init(this);
}
}
下载代码:
public class MainActivity extends Activity {
private static final String BASE_URL = "http://192.168.1.4";
private static final String BASE_PATH = Environment.getExternalStorageDirectory().getPath() + File.separator;
private Button buttonDownloadFile;
private ProgressDialog progressDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
buttonDownloadFile = (Button) findViewById(R.id.bt_downloadFile);
buttonDownloadFile.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String url = BASE_URL + "/code.rar";
String path = BASE_PATH + "code.rar";
downloadFile(url, path);
}
});
}
private void downloadFile(final String url, String path) {
progressDialog = new ProgressDialog(this);
RequestParams requestParams = new RequestParams(url);
requestParams.setSaveFilePath(path);
x.http().get(requestParams, new Callback.ProgressCallback<File>() {
@Override
public void onWaiting() {
}
@Override
public void onStarted() {
}
@Override
public void onLoading(long total, long current, boolean isDownloading) {
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setMessage("亲,努力下载中。。。");
progressDialog.show();
progressDialog.setMax((int) total);
progressDialog.setProgress((int) current);
}
@Override
public void onSuccess(File result) {
Toast.makeText(MainActivity.this, "下载成功", Toast.LENGTH_SHORT).show();
progressDialog.dismiss();
}
@Override
public void onError(Throwable ex, boolean isOnCallback) {
ex.printStackTrace();
Toast.makeText(MainActivity.this, "下载失败,请检查网络和SD卡", Toast.LENGTH_SHORT).show();
progressDialog.dismiss();
}
@Override
public void onCancelled(CancelledException cex) {
}
@Override
public void onFinished() {
}
});
}
}