1.Static Button Creation in Android.
2.Dynamic Button Creation in Android.
3.Different Appearance of Button Creation in Android.
4.Custom Static Button Creation in Android.
5.Custom Dynamic Button Creation in Android.
1.Static Button Creation in Android.
2.Dynamic Button Creation in Android.
3.Different Appearance of Button Creation in Android.
4.Custom Static Button Creation in Android.
5.Custom Dynamic Button Creation in Android.
1.Static Button Creation in Android.
Step 1 : Select File -> New -> Project -> Android Application Project (or) Android Project. Fill the forms and click "Finish" button. If you have any doubt regarding create a new project Click Here.
Step 2 : Open res -> layout -> activity_main.xml (or) main.xml and add following code :
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="67dp"
android:text="Static Button By Hemanth Somaraju"
android:textColor="#FF0000"
android:textSize="20dp" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="140dp"
android:padding="8dp"
android:text="Java" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="210dp"
android:background="#FF00FF"
android:padding="8dp"
android:textColor="#FFFFFF"
android:text="Android" />
<Button
android:id="@+id/button3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="290dp"
android:background="#4169E1"
android:padding="8dp"
android:textColor="#FFFFFF"
android:text="PHP" />
</RelativeLayout>
Step 3 : Open src -> package -> MainActivity.java and add following code :
package com.gudivada.hemanthsomaraju;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends Activity {
Button b1, b2, b3;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
b1 = (Button) findViewById(R.id.button1);
b2 = (Button) findViewById(R.id.button2);
b3 = (Button) findViewById(R.id.button3);
b1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), "Java Clicked",
Toast.LENGTH_SHORT).show();
}
});
b2.setOnLongClickListener(new View.OnLongClickListener() {
public boolean onLongClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), "Android Long Clicked",
Toast.LENGTH_SHORT).show();
return false;
}
});
b3.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), "PHP Clicked",
Toast.LENGTH_SHORT).show();
}
});
b3.setOnLongClickListener(new View.OnLongClickListener() {
public boolean onLongClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), "PHP Long Clicked",
Toast.LENGTH_SHORT).show();
return true;
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
Step 4 : Open AndroidManifest.xml and add following code :
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gudivada.hemanthsomaraju"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.gudivada.hemanthsomaraju.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Step 5 : Our output will be like this :
2.Dynamic Button Creation in Android
Step 1 : Select File -> New -> Project -> Android Application Project (or) Android Project. Fill the forms and click "Finish" button. If you have any doubt regarding create a new project Click Here.
Step 2 : Open res -> layout -> activity_main.xml (or) main.xml and add following code :
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/rl"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="53dp"
android:text="Dynamic Button"
android:textColor="#FF0000"
android:textSize="20dp" />
</RelativeLayout>
Step 3 : Open src -> package -> MainActivity.java and add following code :
package com.gudivada.hemanthsomaraju;
import android.os.Bundle;
import android.app.Activity;
import android.graphics.Color;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.Toast;
public class MainActivity extends Activity {
RelativeLayout rl;
Button b1, b2, b3;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
rl = (RelativeLayout) findViewById(R.id.rl);
b1 = new Button (MainActivity.this);
b2 = new Button (MainActivity.this);
b3 = new Button (MainActivity.this);
b1.setText("Java");
b2.setText("Android");
b3.setText("Hemanth Somaraju");
b2.setBackgroundColor(Color.MAGENTA);
b3.setBackgroundColor(Color.rgb(65, 105, 225));
b2.setTextColor(Color.WHITE);
b3.setTextColor(Color.WHITE);
RelativeLayout.LayoutParams params1=new RelativeLayout.LayoutParams
((int)LayoutParams.WRAP_CONTENT,(int)LayoutParams.WRAP_CONTENT);
params1.leftMargin=190;
params1.topMargin=170;
RelativeLayout.LayoutParams params2=new RelativeLayout.LayoutParams
((int)LayoutParams.WRAP_CONTENT,(int)LayoutParams.WRAP_CONTENT);
params2.leftMargin=175;
params2.topMargin=280;
RelativeLayout.LayoutParams params3=new RelativeLayout.LayoutParams
((int)LayoutParams.WRAP_CONTENT,(int)LayoutParams.WRAP_CONTENT);
params3.leftMargin=120;
params3.topMargin=390;
b1.setLayoutParams(params1);
b2.setLayoutParams(params2);
b3.setLayoutParams(params3);
rl.addView(b1);
rl.addView(b2);
rl.addView(b3);
b1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), "Java Clicked",
Toast.LENGTH_SHORT).show();
}
});
b2.setOnLongClickListener(new View.OnLongClickListener() {
public boolean onLongClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), "Android Long Clicked",
Toast.LENGTH_SHORT).show();
return false;
}
});
b3.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), "Hemanth Somaraju Clicked",
Toast.LENGTH_SHORT).show();
}
});
b3.setOnLongClickListener(new View.OnLongClickListener() {
public boolean onLongClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), "Hemanth Somaraju Long Clicked",
Toast.LENGTH_SHORT).show();
return true;
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
Step 4 : Open AndroidManifest.xml and add following code :
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gudivada.hemanthsomaraju"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.gudivada.hemanthsomaraju.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Step 5 : Our output will be like this :
3.Different Appearance of Button Creation in Android
Step 1 : Select File -> New -> Project -> Android Application Project (or) Android Project. Fill the forms and click "Finish" button. If you have any doubt regarding create a new project Click Here.
Step 2 : Open res -> layout -> activity_main.xml (or) main.xml and add following code :
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="50dp"
android:text="Button Styles By Hemanth Somaraju"
android:textColor="#FF0000"
android:textSize="20dp" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="120dp"
android:text="Button" />
<Button
android:id="@+id/button2"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="200dp"
android:text="Button" />
</RelativeLayout>
Step 3 : Open src -> package -> MainActivity.java and add following code :
package com.gudivada.hemanthsomaraju;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
public class MainActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
Step 4 : Open AndroidManifest.xml and add following code :
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gudivada.hemanthsomaraju"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.gudivada.hemanthsomaraju.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Step 5 : Our output will be like this :
4.Custom Static Button Creation in Android
Step 1 : Select File -> New -> Project -> Android Application Project (or) Android Project. Fill the forms and click "Finish" button. If you have any doubt regarding create a new project Click Here.
Step 2 : Open res -> layout -> activity_main.xml (or) main.xml and add following code :
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="35dp"
android:textSize="18sp"
android:textColor="#ff0000"
android:text="Custom Static Button" />
<Button
android:id="@+id/button1"
android:background="@drawable/button_style"
android:padding="10sp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="Hemanth Somaraju" />
</RelativeLayout>
Step 3 : Open res -> drawable-hdpi -> button_style.xml and add following code :
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:state_pressed="true" >
<shape>
<gradient
android:startColor="#ff0000"
android:endColor="#ffffff"
android:angle="90" />
<corners android:radius="10sp" />
</shape>
</item>
<item>
<shape>
<gradient
android:startColor="#4169E1"
android:endColor="#ffffff"
android:angle="90" />
<corners android:radius="5sp"/>
</shape>
</item>
</selector>
Step 4 : Open res -> drawable-hdpi -> button_clicked.xml and add following code :
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:state_pressed="true" >
<shape>
<gradient
android:startColor="#ff0000"
android:endColor="#ffffff"
android:angle="90" />
<corners android:radius="10sp" />
</shape>
</item>
<item>
<shape>
<gradient
android:startColor="#ff0000"
android:endColor="#ff0000"
android:angle="90" />
<corners android:radius="5sp"/>
</shape>
</item>
</selector>
Step 5 : Open src -> package -> MainActivity.java and add following code :
package com.gudivada.hemanthsomaraju;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends Activity {
Button custom_button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
custom_button = (Button) findViewById(R.id.button1);
custom_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
custom_button.setBackgroundResource(R.drawable.button_clicked);
Toast.makeText(getBaseContext(), "Button Clicked", Toast.LENGTH_SHORT).show();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
Step 6 : Open AndroidManifest.xml and add following code :
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gudivada.hemanthsomaraju"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.gudivada.hemanthsomaraju.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Step 7 : Our output will be like this :
5.Custom Dynamic Button Creation in Android.
Step 1 : Select File -> New -> Project -> Android Application Project (or) Android Project. Fill the forms and click "Finish" button. If you have any doubt regarding create a new project Click Here.
Step 2 : Open res -> layout -> activity_main.xml (or) main.xml and add following code :
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/rl"
tools:context=".MainActivity" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="35dp"
android:textSize="18sp"
android:textColor="#ff0000"
android:text="Custom Dynamic Button" />
</RelativeLayout>
Step 3 : Open res -> drawable-hdpi -> button_style.xml and add following code :
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:state_pressed="true" >
<shape>
<gradient
android:startColor="#ff0000"
android:endColor="#ffffff"
android:angle="90" />
<corners android:radius="10sp" />
</shape>
</item>
<item>
<shape>
<gradient
android:startColor="#4169E1"
android:endColor="#ffffff"
android:angle="90" />
<corners android:radius="5sp"/>
</shape>
</item>
</selector>
Step 4 : Open res -> drawable-hdpi -> button_clicked.xml and add following code :
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:state_pressed="true" >
<shape>
<gradient
android:startColor="#ff0000"
android:endColor="#ffffff"
android:angle="90" />
<corners android:radius="10sp" />
</shape>
</item>
<item>
<shape>
<gradient
android:startColor="#ff0000"
android:endColor="#ff0000"
android:angle="90" />
<corners android:radius="5sp"/>
</shape>
</item>
</selector>
Step 5 : Open src -> package -> MainActivity.java and add following code :
package com.gudivada.hemanthsomaraju;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.Toast;
public class MainActivity extends Activity {
RelativeLayout rl;
Button custom_button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
rl = (RelativeLayout) findViewById(R.id.rl);
custom_button = new Button(MainActivity.this);
RelativeLayout.LayoutParams param = new RelativeLayout.LayoutParams
(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
param.addRule(RelativeLayout.CENTER_IN_PARENT);
custom_button.setText("Hemanth Somaraju");
custom_button.setPadding(10, 10, 10, 10);
custom_button.setBackgroundResource(R.drawable.button_style);
custom_button.setLayoutParams(param);
custom_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
custom_button.setBackgroundResource(R.drawable.button_clicked);
Toast.makeText(getBaseContext(), "Button Clicked", Toast.LENGTH_SHORT).show();
}
});
rl.addView(custom_button);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
Step 6 : Open AndroidManifest.xml and add following code :
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gudivada.hemanthsomaraju"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.gudivada.hemanthsomaraju.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Step 7 : Our output will be like this :
