Interface OnSystemUiVisibilityChangeListener is nested in class View, so I believe you would have to do Class.forName(“android.view.View$OnSystemUiVisibilityChangeListener”); (note the ‘$’). References: http://developer.android.com/reference/android/view/View.html http://developer.android.com/reference/android/view/View.OnSystemUiVisibilityChangeListener.html solved android Class.forName throws exception
You should call super.onDestroy() last in your own onDestroy() method: public void onDestroy(){ player.stop(); player.release(); Log.d(TAG, “Player Crushed”); super.onDestroy(); } My hypothesis is that the MediaPlayer requires the Activity‘s context, so the Activity must be destroyed after the calls to stop() and release(). 7 solved Fatal error: supernotcalledexception [closed]
Set View.GONE for View is not right way to remove row from ListView. to remove row remove select row item from Adapter data-source and call notify data change method of adapter to populate changes: close.setTag(position); close.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { int deletePos=Integer.parseInt(v.getTag().toString()); bpData.remove(deletePos); notifyDataSetChanged(); } }); 5 solved How to remove … Read more
You need to remove the following line from your AndroidManifest.xml: <category android:name=”android.intent.category.LAUNCHER”/> This will remove the application from the default launcher. However, you also need to add the following line such that your BroadcastReceiver is not completely ignored: <category android:name=”android.intent.category.DEFAULT”/> You should NOT remove the line below – it is used to specify which Activity … Read more
Your issue “there is always only one table created”, will be due to the very common misconception that the onCreate method, in DatabaseHelper.java (generally termed the Database Helper) runs every time the App is run. Actually the onCreate method is only automatically invoked once for the lifetime of the database. If the data held in … Read more
You just forgot to set Adapter to your mRecyclerViews check in your loadData() method check this line //mRecyclerViews.setAdapter(mAdapter); Try this private void loadData(){ mArrayList = new ArrayList<>(); mArrayList.add(new Model(“Constraint Layout”)); mArrayList.add(new Model(“Linear Layout”)); mArrayList.add(new Model(“Relative Layout”)); mArrayList.add(new Model(“Card View”)); mArrayList.add(new Model(“Scroll Views”)); mArrayList.add(new Model(“Grid View”)); mAdapter = new MyAdapter(mArrayList); mRecyclerViews.setAdapter(mAdapter); } EDIT You need to … Read more
getBytes() doesn’t change the string, it encodes string into a sequence of bytes using the platform’s default charset. In order to print the array of bytes as a String value, String s = new String(bytes); Edit: it seems as you want to print the string as bytes, for which you can use Arrays.toString(bytes) See this … Read more
You should stop the MediaPlayer in onPause: if (playback != null && playback.isPlaying()) { playback.pause(); } Resume it in onResume: if (playback != null && !playback .isPlaying()) { playback.start(); } 2 solved Android MediaPlayer continues playing after screen is turned off
Erm, the RecyclerView, recycles it view. So only the views viewable and a few each side would have listeners, and then once the user scrolls, the ones now not showing would be recreated into ones closer to the current scroll position. So how many listeners you would have active at one time would depend on … Read more
You have to setOnTouchListener to the TextView. Here I give you an example: public class MainActivity extends Activity implements View.OnTouchListener { private TextView tv1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tv1 = (TextView) findViewById(R.id.tv1); tv1.setOnTouchListener(this); } @Override public boolean onTouch(View v, MotionEvent event) { // HERE YOU HAVE TO CHECK WHICH ID IS … Read more
It’s not clear which package your SplashScreen.java lives in, but android:name=”info.androidhive.androidsplashscreentimer.SplashScreen” might need to be changed to android:name=”.SplashScreen” You may have just pasted in the manifest definition from the sample project without adjusting the activity name to match your own project. 0 solved Splash screen activity not working
developer.android check this out.. such a small data should be stored in Shared Preferences, As you are new to technology try to solve problem yourself before asking such questions. Google is your tool.. solved Add Database to Android Application [closed]
First convert your EditText->AutoCompleteTextView. add also store shared preferences data into string array list. then after used below code like … String[] countries = getResources().getStringArray(R.array.list_of_countries_name); ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,countries); mAutoCompleteTextView.setAdapter(adapter); mAutoCompleteTextView.setThreshold(1); solved how show recently entered text in edit text after entering as suggestion later on using shared preferences?
Yes, they are hexidecimal numbers. The case of the x will not make a difference. You are correct, the methods that are public can be called from outside of the class. 2 solved What decimal value does some hexadecimal constant have in Android [closed]
You should save each date when you fill your recyclerView, maybe in a SQLite database, after that, you can check that register in onCreate() method of your activity, and add a condition (if has passed three days), if true, just refill it like this: mRecyclerAdapter = new mRecyclerAdapter(yourItemList); mRecyclerView.setAdapter(mRecyclerAdapter); mRecyclerView.getAdapter().notifyDataSetChanged(); After this, overwrite the date … Read more