Please post your MainActivity file as well. But looking at the error what I can assume is this You are instantiating some view. Let’s say a TextView. And this is ur code. public class MainActivity extends Activity { TextView something = (TextView) findViewById(R.id.myTextView); onCreate (Bundle savedinstancestate){ super.onCreate(….. setContentView(R.layout.layout_main); ……. And if this assumption was correct … Read more
First, declare your videoButton variable private Button videoButton; Then, in your MainActivity, instantiate your button variable and set up your onclick listener public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); videoButton = (Button) findViewById(R.id.single_ticket_add); videoButton.setOnClickListener(videoButtonOnClickListener); … Then have your goToVideoOnClickListener start an intent to open your VideoActivity private OnClickListener goToVideoOnClickListener = new OnClickListener() { @Override public … Read more
JSONObject object = new JSONObject(obj.toString()); String RegionName = object.getStirng(“RegionName”); String BizPartCode = object.getString(“BizPartCode”); 1 solved JSON Parsing Android from Object [closed]
You have referenced in Your LoadingMain activity the following layout with setContentView: setContentView(R.layout.loading_main); But this Layout does not have any button1. Instead, You are trying to reference a button from another layout, from activity_main.xml btnStartProgress = (Button) findViewById(R.id.button1); This button1 is inside the activity_main.xml and You cannot reference a button in a layout that is … Read more
In Android, inside a Layout you insert an EditText, it’s that text field you wanted where you can write text into it and also listen to text changes so you can do those manipulations you were talking about. Create a TextWatcher and add it to the EditText using addTextChangedListener(TextWatcher variable) new TextWatcher() { @Override public … Read more
Since you are using it on fragment replace this line fade_in = AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in); fade_out = AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_out); with this: fade_in = AnimationUtils.loadAnimation(this, android.R.anim.fade_in); fade_out = AnimationUtils.loadAnimation(this, android.R.anim.fade_out); OR With fade_in = AnimationUtils.loadAnimation(getAppicationContext, android.R.anim.fade_in); fade_out = AnimationUtils.loadAnimation(getAppicationContext, android.R.anim.fade_out); solved Image slider inside fragment child using ViewFlipper
The value is not the issue in this case. Since the HashMap is declared to have a String key and you’re trying to put an int key in, it’s not complaining about the value but the key. 1 solved Putting null value into HashMap is not possible somehow
@Override public void onBackPressed() { Intent intent = new Intent(this, MainClass.class); startActivity(intent); super.onBackPressed(); // optional depending on your needs } 4 solved How do i override back button in my activity? [closed]
I don’t think you should access the DB server right away from Android App. You need to have a web service implemented to talk with your db server. Web Service can function as the layer between your DB and Android App. If you use the web service deployed in the same local area network which … Read more
Gradle need to download stuffs on first build, so your internet connection might affect the build time Building your project needs computer’s memory (RAM), watch your RAM usage. Might be your OS decide to user your page file, which is bad. Increase your RAM solved why Android Studio build process cost too long time [duplicate]
String str = editText.getText().toString(); editText.setText(“your name is ” + str); 3 solved How to get and set text android? [closed]
@Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder = null; if (convertView == null) { holder = new ViewHolder(); LayoutInflater li = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE); convertView = li.inflate(resource, parent, false); holder.imageview= (ImageView)convertView.findViewById(R.id.imageview); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } holder.imageview.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // handle … Read more
You can’t call this from fragment. replace this with getActivity(). change your code like this adapter = new ListLeaderBoardAdapter(getActivity(), mLeaderboardlist); 1 solved adapter = new ListLeaderBoardAdapter(this, mLeaderboardlist); [closed]
You may use RecyclerView, which is far more advanced and customize-able than ListView. Here is a link to start with: http://hmkcode.com/android-simple-recyclerview-widget-example/ Note: I’m not representing or related to hmkcode in any way, nor intend to promote hmkcode on any forum this is just a link to provide something to start with. solved Should I use … Read more
there is a method in String class that can help you convert it, but you should give this method the regex , in your case regex is “,” you can use this method to convert it: public String[] convertToArray(String str, String regex){ return str.split(regex); } String[] str = convertToArray(str, “,”); solved String to String Array … Read more