Here is some code to try: File f = new File(filePathString); if(!f.exists() && !f.isDirectory()) { startDownload(); readFile(); } else { try { file.delete(); } catch (Exception e) { e.printStackTrace(); } } solved Android java: how to use if-then-else
If the constructor runs , it itself means that an object has been instantiated. The constructor of a class is called it itself means that the object has been created. So, keep it simply.. public class Test { public float a1; public int b1; public double c1; public Boolean ifConsUsed = false; public Test(float a, … Read more
I advise you re write your code. One mistake to note, you are attempting to create objects of type List. List is not a class and cannot be instantiated, it is an interface that contains methods to be implemented but these methods contain no bodies. To use java.util.List, you must implement it and then implement … Read more
If you have know just English knowledge, then you can eazly delete this } in shown your error message side You can’t add break in if condition, you need to return instead of break and remove {} in if conditions } Error message appears here : Syntax error on token “}”, delete this token Copy … Read more
You are confusing artifacts of the Java programming language with items of the constant pool of a class file holding Java byte code. Class literals of the form type.class, as well as an access to the length of an array of the form array.length may look like a member access in the source code but … Read more
You should create your XMLs first, even if they’re blank, so that you can programmatically add items onto your view. If you don’t have many stuff to change in your view, and you’re a beginner, I’d suggest you to keep your current XML and chenge your items in it programmatically (e.g. make a button, some … Read more
Eclipse could be remembering the size of the dialog for content assist UI in the workspace/.metadata directory. Try editing this file: <workspace_dir>/.metadata/.plugins/org.eclipse.jdt.ui/dialog_settings.xml Look for the section that looks like this: <section name=”completion_proposal_size”> </section> In my workspace there is no special settings here, but perhaps there are some special settings in your workspace. 1 solved Eclipse … Read more
Here is the line of code that you have to use the before clicking submit and after clicking submit. Then compare they are not matching. driver.findElement(By.xpath(“//span[@class=”et_pb_contact_captcha_question”]”)).getText(); 0 solved Selenium – How to confirm that captcha with two numbers are changed after submit [closed]
Output in red is what is written to System.err somewhere in the program (as opposed to System.out. In the default configuration they both end up in the same place, hence the different coloring). This is not necessary a bad thing, depending on what it indicates. The only way to get rid of it is to … Read more
From a static function, you can call only static function or use static variable. The linking is done at run time. So, though your compilation will be fine but at run time it will fail when call is made. Try making your function non static if you want to make that call. OR The only … Read more
Facebook: You can use the Facebook API directly, since it is really easy to understand and it works great. Twitter: I suggest you to use this Twitter library, better than its API. solved Add twitter and facebook in eclipse [closed]
This would deeply depend on the whole development lifecycle approach. In an ideal world, developers write unit tests. But someone else needs to test their work (2nd pair of eyes). So a tester would also write tests (whether automated or manual test scripts). Cucumber & TestNG basically work like Unit Tests do, Cucumber specifically is … Read more
The easiest way to do what you want is to make use of the onClick attribute. Add this attribute to your Button element: android:onClick=”sendSMS” Android will then try to call a sendSMS method in your activity. It takes a View as a parameter (which will be set to the view you clicked) so you need … Read more
I did it!!!! public static boolean sameDashes(String a, String b){ int minlength = Math.min(a.length(), b.length()); String smallstring=””; String bigstring=””; if(a.length()== minlength){ smallstring = a; bigstring = b; } else { smallstring = b; bigstring =a; } int counter = 0; int x=0; int y=0; do{ if(smallstring.equals(bigstring)){ return true; } else if(smallstring.indexOf(‘-‘,counter)!= -1){ y++; if(bigstring.charAt(smallstring.indexOf(‘-‘,counter))== ‘-‘){ … Read more
Just write your if loop after declaration of your all the views in your onCreate() as below: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); buttonSend = (Button) findViewById(R.id.buttonSend); textTo = (EditText) findViewById(R.id.editTextSendTo); textSubject = (EditText) findViewById(R.id.editTextName); textMessageContact = (EditText) findViewById(R.id.editTextContact); textMessageEmail = (EditText) findViewById(R.id.editTextEmail); textMessageAmount = (EditText) findViewById(R.id.editTextAmount); spinner = (Spinner) findViewById(R.id.spinner); buttonSend.setOnClickListener(new OnClickListener() … Read more