小编Low*_*ev1的帖子

我有一个编辑文本,在我的应用程序中用作搜索框.在我的Nexus 7上的Jelly Bean中,当我在正在监听的文本框中输入内容并点击时,输入KeyEvent = null并将ActionId = 0传递给onEditorAction()方法.有人遇到过这种情况么？我认为这可能是一个错误.

在下面的第二个if语句中,我得到一个空指针,因为actionId = 0和KeyEvent = null;

// Search field logic.
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
    Log.d(TAG, "onEditorAction");
    if (event != null && event.getAction() != KeyEvent.ACTION_DOWN)
        return false;
    if (actionId == EditorInfo.IME_ACTION_SEARCH
            || event.getKeyCode() == KeyEvent.KEYCODE_ENTER) {
              .....Do some stuff();
     }
}

我看过很多与此相关的帖子,但似乎没有一个问题我得到的相同.GetBusinessRulesTask扩展了AsyncTask.当我在单元测试用例中执行它时,onPostExecute()永远不会被调用.但是,如果我使用真实的客户端代码,则每次都会调用onPostExecute().不知道我在这里做错了什么.

测试用例:

package com.x.android.test.api;

import java.util.concurrent.CountDownLatch;

import android.test.ActivityInstrumentationTestCase2;
import android.test.UiThreadTest;
import android.widget.Button;

import com.x.android.api.domain.businessrule.BusinessRules;
import com.x.android.api.exception.NetworkConnectionException;
import com.x.android.api.tasks.GetBusinessRulesTask;
import com.x.android.test.activity.SimpleActivity;

 public class GetBusinessRulesTaskTest
    extends
        ActivityInstrumentationTestCase2<SimpleActivity> {
SimpleActivity mActivity;
Button mButton;

public GetBusinessRulesTaskTest() {
    super("com.x.android.test.activity", SimpleActivity.class);
}

@Override
protected void setUp() throws Exception {
    super.setUp();
    mActivity = this.getActivity();
    mButton = (Button) mActivity
            .findViewById(com.x.android.test.activity.R.id.b1);
}

public void testPreconditions() {
    assertNotNull(mButton);
}

@UiThreadTest
public void testCallBack() throws Throwable {
    final CountDownLatch signal = new CountDownLatch(1);
    final GetBusinessRulesTask task = (GetBusinessRulesTask) new GetBusinessRulesTask(
            new …

我正在编写一个带有模型对象的应用程序,它将Restful接口暴露给某些Web服务.我注意到在Android中有一个java.net.URI和一个android.net.URI类.使用一个与另一个有什么好处？有没有其他人遇到这个并发现一个比另一个更好？

在下面的代码中,我将URI的各个部分解析为java.net URI对象,然后我可以调用httpGet(URI uri).但是,使用android.net类或只调用httpGet(String url)会有任何性能优势或任何好处吗？

public class RestMethods {
    private String protocol;
    private String host;
    private Integer port;
    private URI uri;

    public String restGet(String path) throws MalformedURLException, InterruptedException, ExecutionException{
        StringBuilder builder = new StringBuilder();
        try {
            // Execute HTTP Post Request
            HttpClient httpclient = new DefaultHttpClient();
            HttpGet httpget = new HttpGet(uri);
            HttpResponse response = httpclient.execute(httpget);
            BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent(), "UTF-8"));
            for (String line = null; (line = reader.readLine()) != null;) {
                builder.append(line).append("\n");
            }
        } catch (ClientProtocolException …