Solved by using this method: private static MainActivity instance; public MainActivity() { instance = this; } and changing the showtoast script to: Toast.makeText(instance, toast, Toast.LENGTH_SHORT).show(); solved Toast message crash app
Use like this: class Main extends FragmentActivity { public ImageView imageView; @Override protected void onCreate(Bundle arg0) { super.onCreate(arg0); setContentView(R.layout.main); imageView = (ImageView)findViewById(R.id.ivMain); } } class Demo extends Fragment { Main main; public void onAttach(Activity activity) { main = (Main) activity; }; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { main.imageView.setBackgroundColor(color); return super.onCreateView(inflater, container, … Read more
The Logcat shows that the exception occurred when parsing Integer when the provided Integer is “”. From the fields you are using, the integer is probably edtAgeInput. The way you solve it depends from how you want to handle empty values. If you are getting the user input, what should happen if age is not … Read more
You can’t. Android will always attempt to show something using only the attributes of your theme before your Activity actually loads. In fact, the correct way to build a splash screen involves taking advantage of that fact and customizing your theme such that what displays during this time is your splash screen. 1 solved How … Read more
You should have a Product class. Each product object has different quantity measures and increment methods. Something like this: public abstract class Product { String quantityMeasure; //You can encapsulate this with a getter public abstract int step (int value); //here you want to increment “value” with different algorithms. } Now you can create different product … Read more
I got a very easy solution. A BroadcastReceiver can solve my problem. 1 solved how to pass data from one activity to another activity without using intent?
adapter.setOnItemClickListner(new DailyMenuFrag()); The new DailyMenuFrag() here is a new fragment and it is not attached to any activity and hence getActivity() returns null. Looks like you should use adapter.setOnItemClickListner(this); instead to use the current DailyMenuFrag instance as item click listener. solved getActivity() From Fragment to Fragment returning null
I want to start a new activity after a period of time on button click en.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { //… new Handler().postDelayed(new Runnable() { @Override public void run() { startActivity(new Intent(LanguageActivity.this, ServicesActivity.class)); } }, 5 * 1000); // 5 seconds } }); solved Start Activity after a period of time … Read more
The relative variable is null. Check if you got it via findViewById() This should solve the problem. solved Activity has been stopped [duplicate]
if you’re routing from fragment to another activity, you can put you data into the intent using the putExtra and then receive in the activity using getExtra. Inside the fragment, Intent profileActivityIntent = new Intent(context,ProfileActivity.class); profileActivityIntent.putExtra(“dataKey”,data); startActivity(profileActivityIntent); And then inside the ProfileActivity’s onCreate method, //assuming that data is a string String dataFromFragment = getIntent().getStringExtra(“dataKey”); Log.i(“Data … Read more
You could try to directly kill an activity by calling a static method in that activity: Activity A should have a variable static ActivityA activityA; In onCreate state: activityA = this; and add this method: public static ActivityA getInstance(){ return activityA; } In activity B, call the fuction getInstance() ActivityA.getInstance().finish(); solved Start and Close single … Read more
Try this for your concern Intent intent = new Intent(CurrentClass.this, LoginActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); For ex: Say you have back button named “back” back.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(CurrentClass.this, LoginActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); } }); 0 solved How to forward my application … Read more
Please move this final String Textusername = username.getText().toString(); final String Textpassword = password.getText().toString(); inside onClick(). 2 solved Android getText from EditText return NULL
Intent is a parameter that used to start activity. startActivity(new Intent(<context>,<class>)); solved call Second Activity from First Activity in android [closed]
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