小编Riz*_*van的帖子

RequestQueue mRequestQueue = Volley.newRequestQueue(getApplicationContext());
mRequestQueue.add(new JsonObjectRequest(Method.GET, cityListUrl, null, new Listener<JSONObject>() 
{
    public void onResponse(JSONObject jsonResults) 
    {
        //Any Call
    }
}, new ErrorListener()
   {
        public void onErrorResponse(VolleyError arg0) 
        {
            //Any Error log
        }
   }
));

这是我的请求调用,我想更改或设置请求的超时.反正有可能吗？

我一直在努力在Native Android App哪里面对一些特殊的错误Android 2.3.3 versions and below Android 3.0 version.

我没有得到我的代码究竟在哪里,因为在Logcat编译的每一行代码,但最后我得到了非常奇怪的错误描述日志如下:

java.lang.StackOverflowError
at java.util.concurrent.locks.ReentrantLock$NonfairSync.tryAcquire(ReentrantLock.java:189)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1171)
at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:185)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:261)
at java.util.concurrent.CopyOnWriteArrayList.removeRange(CopyOnWriteArrayList.java:569)
at java.util.concurrent.CopyOnWriteArrayList.remove(CopyOnWriteArrayList.java:366)
at java.util.concurrent.CopyOnWriteArrayList.remove(CopyOnWriteArrayList.java:376)
at android.view.ViewTreeObserver.removeOnPreDrawListener(ViewTreeObserver.java:377)

at android.widget.TextView.onDraw(TextView.java:4085)
at android.view.View.draw(View.java:6986)
at android.view.ViewGroup.drawChild(ViewGroup.java:1739)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1466)
at android.view.ViewGroup.drawChild(ViewGroup.java:1737)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1466)
at android.view.ViewGroup.drawChild(ViewGroup.java:1737)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1466)
at android.view.View.draw(View.java:6989)
at android.view.ViewGroup.drawChild(ViewGroup.java:1739)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1466)
at android.view.View.draw(View.java:6989)
at android.view.ViewGroup.drawChild(ViewGroup.java:1739)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1466)
at android.view.ViewGroup.drawChild(ViewGroup.java:1737)

    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1466)
at android.view.ViewGroup.drawChild(ViewGroup.java:1737)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1466)
at android.view.View.draw(View.java:6989)
at android.view.ViewGroup.drawChild(ViewGroup.java:1739)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1466)
at android.view.View.draw(View.java:6989)
at android.view.ViewGroup.drawChild(ViewGroup.java:1739)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1466) …

Android应用程序应该按照世界上任何地方的Events城市显示day/month/year.
有没有API在Android应用程序中使用？
提供诸如Poynt等活动的应用很少 .
我没有得到他们提供的方式,但如果有人知道这个问题,请提出建议.

在为Android开发本机应用程序的过程中,我遇到了特殊的HTC DESIRE S,这种情况经常发生在listview页面上.

崩溃是什么:

1. Listview视图溢出
2. 跨度溢出问题
3. 视图溢出问题
4. 其他(请解释)

logcat的:

java.lang.StackOverflowError
at android.text.SpannableStringBuilder.checkRange(SpannableStringBuilder.java:940)
at android.text.SpannableStringBuilder.drawText(SpannableStringBuilder.java:1042)
at android.graphics.Canvas.drawText(Canvas.java:1323)
at android.text.Styled.drawUniformRun(Styled.java:141)
at android.text.Styled.drawDirectionalRun(Styled.java:298)
at android.text.Styled.drawText(Styled.java:357)
at android.text.Layout.drawText(Layout.java:1797)
at android.text.Layout.draw(Layout.java:679)
at android.widget.TextView.onDraw(TextView.java:4338)
at android.view.View.draw(View.java:7014)
at android.view.ViewGroup.drawChild(ViewGroup.java:1732)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1459)
at android.view.View.draw(View.java:7017)
at android.view.ViewGroup.drawChild(ViewGroup.java:1732)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1459)
at android.view.View.draw(View.java:7017)
at android.view.View.buildDrawingCache(View.java:6739)
at android.view.View.getDrawingCache(View.java:6512)
at android.view.ViewGroup.drawChild(ViewGroup.java:1657)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1459)
at android.widget.AbsListView.dispatchDraw(AbsListView.java:1499)
at android.widget.ListView.dispatchDraw(ListView.java:3194)
at android.view.View.draw(View.java:7017)
at android.widget.AbsListView.draw(AbsListView.java:2607)
at android.view.ViewGroup.drawChild(ViewGroup.java:1732)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1459)
at android.view.View.draw(View.java:7017)
at android.view.ViewGroup.drawChild(ViewGroup.java:1732)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1459)
at android.view.View.draw(View.java:7017)
at android.widget.FrameLayout.draw(FrameLayout.java:357)
at android.view.ViewGroup.drawChild(ViewGroup.java:1732)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1459) …

我基本上是从Android上传图像并上传到PHP服务器,但在这里我没有得到任何与此代码或图像上传的连接
.我收到了这个错误.

Error in http connection java.net.UnknownHostException: host name

但据我所知,我给了正确的连接和PHP文件也在正确的域.看看我的代码:UploadImage.java

public class UploadImage extends Activity {
InputStream inputStream;
    @Override
public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.main);

        Bitmap bitmap = BitmapFactory.decodeResource(getResources(),R.drawable.icon);   
        ByteArrayOutputStream stream = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 90, stream); //compress to which format you want.
        byte [] byte_arr = stream.toByteArray();
        String image_str = Base64.encodeBytes(byte_arr);
        ArrayList<NameValuePair> nameValuePairs = new  ArrayList<NameValuePair>();

        nameValuePairs.add(new BasicNameValuePair("image",image_str));

        try{
            HttpClient httpclient = new DefaultHttpClient();
            HttpPost httppost = new HttpPost("http://server.com/uploadimage/uploadimage.php");
            httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
            HttpResponse response = httpclient.execute(httppost);
            String the_string_response = …

我想知道如何使用C语言在线程之间传递数据.

例如:X等待来自某个地方的消息.
Y向TX发送有关事件的消息并等待响应.
TX处理事件并向TY发送响应.
TX等待另一条消息.

我一直在研究Android Native App,我想做的是:

Activities - A -> B -> C  Then  A-> B -> C -> C  . 

从C活动,如果它再次指向C,那么我想手动从堆栈中删除C,B.在我的背上它应该只移动到A.

我试过finish(),但问题是:

Activities - A -> B ->  C  Then  A-> B -> C -> C  on finish A -> B -> C  required state A-> C .

有谁知道如何捕获堆栈中的所有活动并从堆栈中删除特定的活动？

我通过在设备上的开发者选项中启用设备显示布局边界来在设备上测试我的Android应用程序.
我通过文本视图,评级栏和其他视图查看带有膨胀视图的列表视图,如下所示.

后来我尝试了Twitter应用程序,但惊讶地看到只有单一视图???

有谁知道如何在listview上获得像单一视图的推特？

如果我File.list()在BookGenerator.java中使用Android 2.2和调用方法,那么页面和章节按照确切的顺序排列,但每当我在Android 4.0上执行时,它都会给出反向页面列表或反向页面顺序.

2.2和4.0之间是否存在兼容性问题？

他们说"它将创建一个文件夹CSipSimple,其中CSipSimple和所有svn dependancies的源代码已被收集.CSipSimple现在也依赖于ActionBarSherlock库.所以第二行也检查ActionBarSherlock副本以获取当前csipsimple版本.当你导入时到Eclipse(如果你这样做),你也必须导入ActionBarSherlock."

我从CSipSimple得到了这一行.我无法在eclipse上导入ActionBarSherlock文件.它不能导入,因为它没有任何项目,它显示.我需要这个文件所以请帮我调试一下.如果任何人知道这个CsipSimple构建应用程序的完整安装步骤,请帮助我.我正在使用Linux OS平台.

我实际上试图在Android中打开音频播放器,但我没有得到有关打开音频播放器的任何信息.我不想浏览或播放音频歌曲.我只是想打开音频播放器,所以任何一个已知这个问题的人请提出建议.

我对添加按钮或容器的布局约束感到困难.我添加以下顺序时出现上述错误.

Container1.setLayout(new BorderLayout()); // Container1 has Borderlayout as Layout Property .

我的Button有一个LayoutConstraint属性:West.当我将组件按钮添加到Container1时,我得到了上述错误..

请建议我如何设置LayoutConstraint属性..