do you execute this btnNxt = (Button) findViewById(R.id.btnNext); btnNxt.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { //Here I need to get that position }); inside the getView method? if so it’s very easy btnNxt = (Button) findViewById(R.id.btnNext); btnNxt.setTag(position); btnNxt.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { int position=(Integer)arg0.getTag(); });
The process of saving a file (which is image in your case) is described here: save-file-to-sd-card Saving image to sdcard from drawble resource: Say you have an image namely ic_launcher in your drawable. Then get a bitmap object from this image like: Bitmap bm = BitmapFactory.decodeResource( getResources(), R.drawable.ic_launcher); The path to SD Card can be … Read more
The Android Studio 4.1 new-project wizard, for many of its templates, has the project use the Material Components for Android library. And, it sets up the default theme to be based on Theme.MaterialComponents.DayNight.DarkActionBar. A side effect of this is that any <Button> elements in a layout get turned into MaterialButton widgets, not regular Button widgets. … Read more
A toast can not be clicked. It is not possible to capture a click inside a toast message. You will need to build a dialog for that. Look at Creating Dialogs for more info. The API on the Toast class state that a toast will never receive the focus and because a toast is not … Read more
Create/Remove button onClick of + button and – button as below: public void onClick(View v) { switch(v.getId()){ case (R.id.plusbutton): Button myButton = new Button(this); myButton.setText(“Add Me”); LinearLayout ll = (LinearLayout)findViewById(R.id.buttonlayout); LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); ll.addView(myButton, lp); break;. case (R.id.minusbutton): Button myButton = new Button(this); myButton.setText(“Remove Me”); LinearLayout ll = (LinearLayout)findViewById(R.id.buttonlayout); LayoutParams lp = … Read more
You can do a rounded corner button without resorting to an ImageView. A background selector resource, button_background.xml: <?xml version=”1.0″ encoding=”utf-8″ ?> <selector xmlns:android=”http://schemas.android.com/apk/res/android”> <!– Non focused states –> <item android:state_focused=”false” android:state_selected=”false” android:state_pressed=”false” android:drawable=”@drawable/button_unfocused” /> <item android:state_focused=”false” android:state_selected=”true” android:state_pressed=”false” android:drawable=”@drawable/button_unfocused” /> <!– Focused states –> <item android:state_focused=”true” android:state_selected=”false” android:state_pressed=”false” android:drawable=”@drawable/button_focus” /> <item android:state_focused=”true” android:state_selected=”true” android:state_pressed=”false” android:drawable=”@drawable/button_focus” … Read more
Question 1: Unfortunately the one in which you you say is most intuitive is the least used in Android. As I understand, you should separate your UI (XML) and computational functionality (Java Class Files). It also makes for easier debugging. It is actually a lot easier to read this way and think about Android imo. … Read more
There are several, depending on what kind of flashing you mean. You can, for example, use alpha animation and start it as your button first appears. And when the user clicks button, in your OnClickListener just do clearAnimation(). Example: public void onCreate(Bundle savedInstanceState) { final Animation animation = new AlphaAnimation(1, 0); // Change alpha from … Read more
To change the image by using code: public void onClick(View v) { if(v.id == R.id.button_id) { ButtonName.setImageResource(R.drawable.ImageName); } } Or, using an XML file: <?xml version=”1.0″ encoding=”utf-8″?> <selector xmlns:android=”http://schemas.android.com/apk/res/android”> <item android:state_pressed=”true” android:drawable=”@drawable/login_selected” /> <!– pressed –> <item android:state_focused=”true” android:drawable=”@drawable/login_mouse_over” /> <!– focused –> <item android:drawable=”@drawable/login” /> <!– default –> </selector> In OnClick, just add this … Read more
The problem is that the included layout isn’t being thought of as a data-bound layout. To make it act as one, you need to pass a variable: buttons.xml: <layout xmlns:andr…> <data> <variable name=”foo” type=”int”/> </data> <Button android:id=”@+id/button” ….” /> main.xml: <layout xmlns:andr… … <include layout=”@layout/buttons” android:id=”@+id/buttons” app:foo=”@{1}”/> …. Then you can access buttons indirectly through … Read more