I am new using Kotlin and have implemented a recyvclerview list and now I'm using putExtra() and getStringExtra() intents to open in the same activities to avoid creating too many activities. So far it is working fine but I'm noticing…
How can I start an activity when my app is in background? I mean, when it has not been destroyed? I have tried with IntentService and nothing, I just want to make a StartActivity to launch my MainActivity in the…
I was just making a simple program that sends string that's typed in an EditText into a TextView in another activity, I'm a beginner and was following a kotlin tutorial on the internet, the program would crash whenever it gets…
MainActivity.kt PutExtra(String!.String?) is givng error (in android Kotlin), what could be the problem? class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) } var name:EditText? = null fun createBirthdayCard(view: View) { name = findViewById(R.id.NameInput) val intent =…
I try to open my app with a QR Code generated : myApp://open When I scan it, it send me an error message : "Sorry the application requested could not be launched. The content of the barcode may be invalid".…
today my phone updated to android 12 and my app started to crash when I launch it. It is supposed to send a notification when launched. val intent = Intent(this, MainActivity::class.java) val pendingIntent: PendingIntent? = TaskStackBuilder.create(this).run { addNextIntentWithParentStack(intent) getPendingIntent(INTENT_REQUEST, PendingIntent.FLAG_IMMUTABLE)…
@Override public void onBindViewHolder(@NonNull ImageViewHolder holder, @SuppressLint("RecyclerView") int position) { holder.imageView.setImageResource(imageList.get(position)); if(position == imageList.size() - 2){ viewPager2.post(runnable); } holder.itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Toast.makeText(view.getContext(), "You clicked on : " + position, Toast.LENGTH_SHORT).show(); if(position == 0){ Toast.makeText(viewPager2.getContext(),…
I want to open chooser for both whatsapp and gb-whatsapp so the user can choose any of one from them. This code is only opening whatsapp only. Intent intentWhatsapp = new Intent(Intent.ACTION_VIEW); String url = "https://chat.whatsapp.com/JPJSkaiqmDu5gLKqUPAfMM"; intentWhatsapp.setData(Uri.parse(url)); intentWhatsapp.setPackage("com.whatsapp"); startActivity(intentWhatsapp);
I am trying to capture video via Gallery or via Camera. I am able to successfully fetch the video from Gallery. However when I try to record the video from camera it loses the track and I am unable to…
I have a list of courses in my String resource file. ''' resources> <string name="app_name">SecondPart</string> <string name="done">Done</string> <string-array name="courses"> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item> <item>Introduction To Programming</item>…