onitemclicklistener Archives

[Solved] How to open an Image from on Itemclick listener

December 13, 2022 by Kirat

Your error itself gives answer of your question. requestFeature() must be called before adding content That means your second Activity needs this change requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_main4); requestWindowFeature() must be before setContentView() After your updated question now your error is java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.support.v4.view.ViewPager.setAdapter(android.support.v4.view.PagerAdapter)’ on a null object reference you need to check … Read more

[Solved] The best way to use variables in another activity [closed]

September 28, 2022 by Kirat

If you start a new activity u can send data with an intent. For example: Intent intent = new Intent(this, newActivity.class); intent.putExtra(KEY, data); If the data is custom object this class must extends from Parcelable so it could be send with an Intent. solved The best way to use variables in another activity [closed]