Android Developers Studio: Android developement tutorials

Showing posts with label Android developement tutorials. Show all posts

Wednesday, 12 October 2016

AlertDialogBox

It is display the some alert
Using Builder class

activitymain.xml :-

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
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:orientation="vertical"
tools:context="com.kiranapp.MainActivity">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/button"
android:layout_gravity="center_horizontal"
android:text="Alertdialog"
android:layout_marginTop="20dp" />
</LinearLayout>

MainActivity.java :-

package com.kiranapp;

import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
Button alertbtn;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
alertbtn=(Button)findViewById(R.id.button);
alertbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {

AlertDialog.Builder builder=new AlertDialog.Builder(MainActivity.this);
builder.setTitle("Alert?");
builder.setMessage("Hello do u want to close the app");
builder.setIcon(R.mipmap.ic_launcher);
builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
finish();
Toast.makeText(MainActivity.this, "App Closed", Toast.LENGTH_SHORT).show();
}
});
builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(MainActivity.this, "Dialog is CLosed", Toast.LENGTH_SHORT).show();
}
});
builder.create();
builder.show();
}
});
}
}

Output :-

AlertDialogBox fig :1

AlertDialogBox fig :2

AutoCompleteTextView

activitymain.xml :-

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
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:orientation="vertical"
tools:context="com.kiranapp.MainActivity">
<AutoCompleteTextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/autoCompleteTextView"
android:layout_gravity="center_horizontal"
android:layout_marginTop="20dp"
android:hint="enter letter" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/button"
android:layout_gravity="center_horizontal"
android:text="show" />
</LinearLayout>

MainActivity.java :-

package com.kiranapp;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
AutoCompleteTextView autoCompleteTextView;
Button show;
String name;
static final String[] fruits={"Apple","Orange","Watermelon","Bannana","Strawberry","Peaches"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
autoCompleteTextView=(AutoCompleteTextView)findViewById(R.id.autoCompleteTextView);
show=(Button)findViewById(R.id.button);
ArrayAdapter<String>arrayAdapter=new ArrayAdapter<String>(MainActivity.this,android.R.layout.simple_dropdown_item_1line,fruits);
autoCompleteTextView.setThreshold(0);
autoCompleteTextView.setAdapter(arrayAdapter);
autoCompleteTextView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
name= (String) parent.getItemAtPosition(position);
}
});
show.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(MainActivity.this,"Select Fruits :"+name,Toast.LENGTH_SHORT).show();
}
});
}
}

Output :-

AutoCompleteTextView fig :1

Sunday, 9 October 2016

SpinnerView

It is a dropdown list.
Example Bookmyshow app or just tickets.
Here we are Using ArrayAdapter class in the code below
Similarly AutoCompleteTextView we can use as dropdown list.

activitymain.xml :-

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
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:orientation="vertical"
tools:context="com.kiranapp.MainActivity">
<Spinner
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/spinner"
android:layout_marginTop="50dp"/>
</LinearLayout>

Germany.xml :-

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:textAppearance="?android:attr/textAppearanceLarge"
   android:id="@+id/textView" />

MainActivity.java :-

package com.kiranapp;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
   Spinner spinner;
   String[] countrys={"-select countrys-","INDIA","GERMANY","FRANCE","USA","UK","AUSTRALIA",
            "CANADA","CHINA","SWITERLAND","ITALY"};

@Override
   protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_main);
   spinner=(Spinner)findViewById(R.id.spinner);
   ArrayAdapter<String> aa=new ArrayAdapter<String>(MainActivity.this,
    android.R.layout.simple_list_item_1,countrys);
    spinner.setAdapter(aa);
    spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
    Toast.makeText(MainActivity.this, "COUNTRY ID : "+countrys[position],
    Toast.LENGTH_SHORT).show();
    if(position==2){
     Intent in=new Intent(MainActivity.this,Germany.class);
     startActivity(in);
     }
    }
@Override
   public void onNothingSelected(AdapterView<?> parent) {
            }
        });
    }
}

Germany.java :-

package com.kiranapp;

/**
* Created by Dell on 10/8/2016.
*/
public class Germany {
}

Output :-

SpinnerView Fig:1

SpinnerView Fig:2

Saturday, 8 October 2016

RatingBar

activity_main.xml :-

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
   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:orientation="vertical"
   tools:context="com.kiranrating.MainActivity">

<TextView
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text="Hollywood movies"
   android:layout_marginTop="49dp"
   android:id="@+id/textView" />
<RatingBar
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:layout_marginTop="20dp"
   android:id="@+id/ratingBar1" />
<Button
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text="Click Rating"
   android:id="@+id/button"
   android:layout_marginTop="20dp"
   android:layout_gravity="center_horizontal" />
</LinearLayout>

MainActivity.java :-

package com.kiranrating;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RatingBar;
import android.widget.Toast;

public class MainActivity extends Activity {
    RatingBar r1;
    Button btnsubmit;
@Override
    protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    addListenerOnButtonClick();
    }

   public void addListenerOnButtonClick(){
   r1=(RatingBar)findViewById(R.id.ratingBar1);
   btnsubmit=(Button)findViewById(R.id.button);
   btnsubmit.setOnClickListener(new OnClickListener(){
@Override
    public void onClick(View arg0) {
    String rating=String.valueOf(r1.getRating());
   Toast.makeText(getApplicationContext(), rating, Toast.LENGTH_LONG).show();
    }
    });
   }
}

Output :-

RatingBar fig:1

RatingBar fig:2

RadioButton

activity_main.xml :-

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
   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:orientation="vertical"
   tools:context="com.kiranapp.MainActivity">

<RadioGroup
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:id="@+id/radiogroup"
    android:weightSum="2"
    android:layout_marginTop="25dp">
<RadioButton
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/radio1"
    android:text="Android"
    android:layout_gravity="center"
    android:checked="false" />
<RadioButton
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:id="@+id/radio2"
   android:text="IOS"
   android:layout_gravity="center" />
<RadioButton
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:id="@+id/radio3"
   android:text="PhoneGap"
   android:layout_gravity="center" />
</RadioGroup>
<Button
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   android:text="Course"
   android:id="@+id/button"
   android:layout_gravity="center_horizontal"
   android:layout_marginTop="39dp"/>
</LinearLayout>

MainActivity.java :-

package com.kiranapp;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    RadioGroup radioGroup;
    RadioButton radioButton;
    Button button;
@Override
    protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    radioGroup=(RadioGroup)findViewById(R.id.radiogroup);
    button=(Button)findViewById(R.id.button);
    button.setOnClickListener(new View.OnClickListener(){
@Override
    public void onClick(View v) {
    int id=radioGroup.getCheckedRadioButtonId();
    radioButton=(RadioButton)findViewById(id);
    String s=radioButton.getText().toString();
    Toast.makeText(getApplicationContext(),"COURSE IS :"+s,6000).show();
     }
    });
   }
}

Output :-

RadioButton fig:1

RadioButton fi:2

RadioButton fig:3

Thursday, 6 October 2016

CheckBox

ActivityMain.XML :-

<?xml version="1.0" encoding="utf-8"?>

<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="com.kiranapp.MainActivity">


 <CheckBox

  android:layout_width="wrap_content"

  android:layout_height="wrap_content"

  android:text="Apple"

  android:id="@+id/checkBox"

  android:layout_alignParentTop="true"

  android:layout_toStartOf="@+id/button1"

  android:layout_marginEnd="34dp" />

 <CheckBox

  android:layout_width="wrap_content"

  android:layout_height="wrap_content"

  android:text="Orange"

  android:id="@+id/checkBox2"

  android:layout_alignParentTop="true"

  android:layout_toEndOf="@+id/button1"

  android:layout_marginStart="24dp" />
 <Button

  android:id="@+id/button1"

  android:layout_width="wrap_content"

  android:layout_height="wrap_content"

  android:layout_marginTop="61dp"

  android:text="Order"

  android:layout_alignParentTop="true"

  android:layout_centerHorizontal="true" />

</RelativeLayout>

MainActivity.java :-

package com.kiranapp;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.*;

public class MainActivity extends Activity {
   CheckBox apple,orange;
   Button Order;
 @Override

  protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_main);
   addListenerOnButtonClick();
  }
  public void addListenerOnButtonClick(){

   apple=(CheckBox)findViewById(R.id.checkBox);
   orange=(CheckBox)findViewById(R.id.checkBox2);

   Order=(Button)findViewById(R.id.button1);


   Order.setOnClickListener(new OnClickListener(){

 @Override

   public void onClick(View view) {
    int totalamount=0;
    StringBuilder result=new StringBuilder();
    result.append("Selected Items:");
    if(apple.isChecked()){
    result.append("\nApple 100Rs");
    totalamount+=100;
   }
    if(orange.isChecked()){
    result.append("\nOrange 150Rs");
    totalamount+=150;
   }

   result.append("\nTotal: "+totalamount+"Rs");

   Toast.makeText(getApplicationContext(), result.toString(), Toast.LENGTH_LONG).show();
  }

  });
 }

 @Override

  public boolean onCreateOptionsMenu(Menu menu) {
  getMenuInflater().inflate(R.menu.activity_main, menu);
  return true;
 }
}

Output :-

CheckBox fig:1

EditText

Activity main.xml :-

<?xml version="1.0" encoding="utf-8"?>

<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:paddingLeft="@dimen/activity_horizontal_margin"

   android:paddingRight="@dimen/activity_horizontal_margin"

   android:paddingTop="@dimen/activity_vertical_margin"

   android:paddingBottom="@dimen/activity_vertical_margin"

   tools:context="com.kiranapp.MainActivity">


    <EditText

     android:layout_width="wrap_content"

     android:layout_height="wrap_content"

     android:hint="Name"

     android:ems="10"

     android:id="@+id/editText"

     android:layout_alignParentTop="true"

     android:layout_centerHorizontal="true" />

    <Button

     android:layout_width="wrap_content"

     android:layout_height="wrap_content"

     android:text="Show"

     android:id="@+id/button"

     android:layout_marginTop="56dp"

     android:layout_below="@+id/editText"

     android:layout_centerHorizontal="true" />
</RelativeLayout>

MainActivity.java :-

package com.kiranapp;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

  EditText editText;
  Button b1;

@Override

 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 editText=(EditText)findViewById(R.id.editText);
 b1=(Button)findViewById(R.id.button);
 b1.setOnClickListener(new View.OnClickListener() {
@Override

 public void onClick(View v) {
 String s1=editText.getText().toString();
 Toast.makeText(getApplicationContext(),"Name is : "+s1,5000).show();
 }

 });

 }
}

Output :-

EditText figure

ToggleButton

Activity main.XML :-

<?xml version="1.0" encoding="utf-8"?>

<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:paddingLeft="@dimen/activity_horizontal_margin"

 android:paddingRight="@dimen/activity_horizontal_margin"

 android:paddingTop="@dimen/activity_vertical_margin"

 android:paddingBottom="@dimen/activity_vertical_margin"

 tools:context="com.kiranapp.MainActivity">

 <ToggleButton

  android:layout_width="wrap_content"

  android:layout_height="wrap_content"

  android:text="ToggleButton1"

  android:id="@+id/toggleButton"

  android:layout_alignParentTop="true"

  android:layout_alignParentLeft="true"

  android:layout_marginLeft="60dp"

  android:layout_marginTop="18dp"

  android:textOff="Off"

  android:textOn="On"

  android:checked="false" />

 <ToggleButton

  android:layout_width="wrap_content"

  android:layout_height="wrap_content"

  android:text="ToggleButton2"

  android:layout_alignBaseline="@+id/toggleButton"

  android:layout_alignBottom="@+id/toggleButton"

  android:id="@+id/toggleButton2"

  android:layout_marginLeft="44dp"

  android:layout_toRightOf="@+id/toggleButton"

  android:textOff="Off"

  android:textOn="On"/>

<Button

  android:layout_width="wrap_content"

  android:layout_height="wrap_content"

  android:text="Submit"

  android:id="@+id/button"

  android:layout_marginTop="85dp"

  android:layout_below="@+id/toggleButton"

  android:layout_centerHorizontal="true" />
</RelativeLayout>

MainActivity.java :-

package com.kiranapp;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
import android.widget.ToggleButton;

public class MainActivity extends Activity {
  private ToggleButton toggleButton, toggleButton2;
  private Button Submit;

 @Override

 protected void onCreate(Bundle savedInstanceState) {

 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);

   addListenerOnButtonClick();
 }
 public void addListenerOnButtonClick(){

 toggleButton=(ToggleButton)findViewById(R.id.toggleButton);
 toggleButton2=(ToggleButton)findViewById(R.id.toggleButton2);
 Submit=(Button)findViewById(R.id.button);
 Submit.setOnClickListener(new OnClickListener(){

@Override

 public void onClick(View view) {
 StringBuilder result = new StringBuilder();

 result.append("ToggleButton1 : ").append(toggleButton.getText());
 result.append("\nToggleButton2 : ").append(toggleButton2.getText());

Toast.makeText(getApplicationContext(), result.toString(),Toast.LENGTH_LONG).show();
}

});
}
@Override

 public boolean onCreateOptionsMenu(Menu menu) {

 getMenuInflater().inflate(R.menu.activity_main, menu);
 return true;

}

}

Output :-

ToggleButton figure

Wednesday, 5 October 2016

Android Button Example

How to create button and code below see example:

Activity_main.XML :

<?xml version="1.0" encoding="utf-8"?>

 <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:paddingLeft="@dimen/activity_horizontal_margin"

 android:paddingRight="@dimen/activity_horizontal_margin"

 android:paddingTop="@dimen/activity_vertical_margin"

 android:paddingBottom="@dimen/activity_vertical_margin"

 tools:context="com.kiranapp.MainActivity">

 <Button

  android:layout_width="wrap_content"

  android:layout_height="wrap_content"

  android:text="b1"

  android:id="@+id/button"

  android:layout_alignParentTop="true"

  android:layout_centerHorizontal="true"

  android:layout_marginTop="59dp" />

<Button

  android:layout_width="wrap_content"

  android:layout_height="wrap_content"

  android:text="b2"

  android:id="@+id/button2"

  android:layout_below="@+id/button"

  android:layout_alignStart="@+id/button" />

<Button

  android:layout_width="wrap_content"

  android:layout_height="wrap_content"

  android:text="b3"

  android:id="@+id/button3"

  android:layout_centerVertical="true"

  android:layout_alignStart="@+id/button2" />
</RelativeLayout>

MainActivity.java :

 
package com.kiranapp;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    Button b1,b2,b3;

@Override

 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
   b1 = (Button) findViewById(R.id.button);
   b2 = (Button) findViewById(R.id.button2);
   b3 = (Button) findViewById(R.id.button3);
   b1.setOnClickListener(this);
   b2.setOnClickListener(this);
   b3.setOnClickListener(this);

 }

@Override

 public void onClick(View view) {
  switch (view.getId()){
   case R.id.button:
Toast.makeText(MainActivity.this, "Button1 is working", Toast.LENGTH_SHORT).show();
  break;
 case R.id.button2:
Toast.makeText(MainActivity.this, "Button2 is working", Toast.LENGTH_SHORT).show();
 break;
 case R.id.button3:
Toast.makeText(MainActivity.this, "Button3 is working", Toast.LENGTH_SHORT).show();
 break;
  }
 }

Output :

Android Button fig:1

Android Button Example fig:2

Android Button Example fig:3

Pages

Wednesday, 12 October 2016

Sunday, 9 October 2016

Saturday, 8 October 2016

Thursday, 6 October 2016

Wednesday, 5 October 2016