In Android, just use “android.widget.Button” class to display a normal button.
In this tutorial, we show you how to display a normal button, add a click listener, when user click on the button, open an URL in your Android’s internet browser.
P.S This project is developed in Eclipse 3.7, and tested with Android 2.3.3.
Note
For more advance function, like image, please refer to this ImageButton example and also this ImageButton selector example.
For more advance function, like image, please refer to this ImageButton example and also this ImageButton selector example.
1. Add Button
Open “res/layout/main.xml” file, add a button.
File : res/layout/main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button - Go to mkyong.com" />
</LinearLayout>
2. Code Code
Attach a click listener to the button.
When user click on it, open mobile browser and display URL : https://mkyong.com.
File : MyAndroidAppActivity.java
package com.mkyong.android;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.widget.Button;
import android.view.View;
import android.view.View.OnClickListener;
public class MyAndroidAppActivity extends Activity {
Button button;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
addListenerOnButton();
}
public void addListenerOnButton() {
button = (Button) findViewById(R.id.button1);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
Intent browserIntent =
new Intent(Intent.ACTION_VIEW, Uri.parse("https://mkyong.com"));
startActivity(browserIntent);
}
});
}
}
3. Demo
Run the application.
1. Result, a normal button.
2. Click on the button, display URL in browser.
Download Source Code
Download it – Android-Button-Example.zip (15 KB)
References
About Author
Founder of Mkyong.com, love Java and open source stuff. Follow him on Twitter. If you like my tutorials, consider make a donation to these charities.
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Sir can u tell how to open this url in Webview instead of browser onClick of button
Thanks
how to change silent to ringer of a mobile by sending sms in adroid eclipse
I have write this lecture about Buttons and its click events . please check this.
http://themasterworld.com/button-and-its-click-events-in-android-studio/
thanks
Check out my blog. The following post includes a video
that shows you how to create an Android smartphone application that displays a
vertically scrolling list of countries on the screen. The application is
created using the Eclipse IDE and Android SDK. It features an “OK” button at
the bottom of the screen that, when pressed, terminates the application.
In the process of making this Android application you will
encounter the following SDK object types, etc: ScrollView, Button, View, TableLayout, TableRow, OnClickListener, TextView, and Colours in Android represented by hexadecimal numbers.
http://androidprogrammeringcorner.blogspot.com/2015/03/pak-longs-android-programming-corner.html
Best regards,
Philip
Check this one code in kotlin
https://tutorial.eyehunt.in/android/android-button-example-onclickcolordesign-kotlin/
Find most useful Android Button Libraries and Resources from http://android-libs.com/search/buttons
how to connect button to the text file?
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its a really a good eg.But when i click on button(“Button – Go to mkyong.com” ) its shows all browser of my android mobile which is different browser installed previously.But i want to open website in this form automatically instead of showing the browser list.So what should I do…..Please help.
When i run the code in emulator,i got error of “process stopped unexpectedly,Please try again”
Really helpful. Thanks.
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what is the android coding for go to website when clicking the application icon
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I will thank you if you can do it.
Another thing i wanted to ask you is: Have you ever seen a NoSuchFieldError Exception?, I like to call some persistence methods from a hibernate project into a primefaces mobile project (both with maven configuration) and i got this exception.
Persistence Project works well and primefaces mobile project works too, if i use persistence method into a bean from web project works well, but if i call a persistence method into a bean method and i use it into a xhtml doesnt work, i test it with an apache tomcat server. Integration Technology that i’m using is Spring.
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i copied and pasted this over the one that was there
and then copied an pasted this one over the main java
package com.mkyong.android;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.widget.Button;
import android.view.View;
import android.view.View.OnClickListener;
public class MyAndroidAppActivity extends Activity {
Button button;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
addListenerOnButton();
}
public void addListenerOnButton() {
button = (Button) findViewById(R.id.button1);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
Intent browserIntent =
new Intent(Intent.ACTION_VIEW, Uri.parse(“https://mkyong.com”));
startActivity(browserIntent);
}
});
}
}
and when i install it only says hello world!
help please
in the graphical layout you have to drag to make the button you can not just copy the code.
I agree with billy. You cannot just copy and paste the codes in “Eclipse SDK”. Just go to “res” -> layout -> and select activity_main.xml. At the bottom of the .xml file you will see 2 tabs. To drag and drop a button, go to the “Graphical Layout” section and in the “Form Widgets” palette you will find the “button” and other controls. Double click the button and write your code.
Regards
Arun
mkyong = grande! = forte! = bravo! = grazie!
translation from Italian:
mkyong = great! = strong! = good! = thank you!