button

问题 I want to open a new JFrame by clicking a button (btnAdd); I have tried to create an actionlistener but I am having no luck; the code runs but nothing happens when the button is clicked. The methods in question are the last two in the following code. Any help is much appreciated! package AdvancedWeatherApp; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.Container; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.Font;

问题 I want to open a new JFrame by clicking a button (btnAdd); I have tried to create an actionlistener but I am having no luck; the code runs but nothing happens when the button is clicked. The methods in question are the last two in the following code. Any help is much appreciated! package AdvancedWeatherApp; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.Container; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.Font;

问题 I want to open a new JFrame by clicking a button (btnAdd); I have tried to create an actionlistener but I am having no luck; the code runs but nothing happens when the button is clicked. The methods in question are the last two in the following code. Any help is much appreciated! package AdvancedWeatherApp; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.Container; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.Font;

问题 I am using following code to start activity when user pressing search button on the handset @Override public boolean onKeyUp(int keyCode, KeyEvent event) { if(keyCode == KeyEvent.KEYCODE_SEARCH){ Util.startActivity(ReviewsDetail.this, KeywordSearch.class); return false; }else{ return super.onKeyUp(keyCode, event); } } But here are few issues with it please look at the following image. When press search button it first show google search box at the top of activity then start activity which i

问题 I have been trying to use Floating Action Button. I tried to use some of the resources suggested on here and the links were great; however, I couldn't use alot of them because of problems with dependicies. I tried to fix it but it got more messed up. Long story short, I use the following code as a way to bypass dependicies in my bundle. I got the button to work; however, I couldn't figure out how to have options to appear when the button is clicked. I tried on clicklistener and other ways but

问题 I have programmatically added Text View and Button . Code final TextView test = new TextView(getApplicationContext()); test.setText(String.valueOf(counterQuantity)); test.setTextColor(getResources().getColor(R.color.black)); test.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 10); GradientDrawable border = new GradientDrawable(); border.setShape(GradientDrawable.OVAL); border.setStroke(1, getResources().getColor(R.color.black)); border.setCornerRadius(2); border.setColor(getResources().getColor(R

问题 I have programmatically added Text View and Button . Code final TextView test = new TextView(getApplicationContext()); test.setText(String.valueOf(counterQuantity)); test.setTextColor(getResources().getColor(R.color.black)); test.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 10); GradientDrawable border = new GradientDrawable(); border.setShape(GradientDrawable.OVAL); border.setStroke(1, getResources().getColor(R.color.black)); border.setCornerRadius(2); border.setColor(getResources().getColor(R

问题 My question pretty much sums up what I want to do. My idea is if lets say (button 1 from activity A is pressed) and activity B is loaded I want to pass in activity B the state of button 1 (pressed or not) and I want to do something with it. For example: if(button1.isChecked()) { //do something } 回答1: In the first activity, you can use: Intent intent = new Intent(this, Your 2nd Activity.class); intent.putExtra("buttonStatus", "you button status true or false"); startActivity(intent); and in

问题 My question pretty much sums up what I want to do. My idea is if lets say (button 1 from activity A is pressed) and activity B is loaded I want to pass in activity B the state of button 1 (pressed or not) and I want to do something with it. For example: if(button1.isChecked()) { //do something } 回答1: In the first activity, you can use: Intent intent = new Intent(this, Your 2nd Activity.class); intent.putExtra("buttonStatus", "you button status true or false"); startActivity(intent); and in

问题 i am trying to make list view with clickable items, and every list_item must consist 2 clickable buttons. But if i add buttons to item layout, iten click listener stops to work... here is my item_layout: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="5dp" android:gravity="center">