Tips N TRIKS: button click
    • Showing posts with label button click. Show all posts
    Showing posts with label button click. Show all posts

    Sunday, 14 September 2014

    Android 02

    September 14, 2014 0
    Android 02

    Today we will learn to display message with new things. for example you will write your name in edittext you will het hie name...
    •  to make this thing we need a..
      • Button for click
      • edittext to write your name
      • toast for display message

    About application:
    • this simple app contain.when you write your name on edittext it will display message with hie.
    Names :
    • java file::MainActivity.java
    • xml file::activity_main.xml

    STEP 1:: activity_main.xml

    <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:paddingBottom="@dimen/activity_vertical_margin"
        android:paddingLeft="@dimen/activity_horizontal_margin"
        android:paddingRight="@dimen/activity_horizontal_margin"
        android:paddingTop="@dimen/activity_vertical_margin"
        tools:context=".MainActivity" >

         <EditText
            android:id="@+id/txt1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentTop="true"
            android:layout_centerHorizontal="true"
            android:layout_marginTop="42dp"
            android:ems="10" />

         <Button
            android:id="@+id/bnt1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/txt1"
            android:layout_centerHorizontal="true"
            android:layout_marginTop="38dp"
            android:text="clickme" />

     </RelativeLayout>

    STEP 2:: MainActivity.java


    package com.example.athome;

     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.EditText;
    import android.widget.Toast;

     public class MainActivity extends Activity implements OnClickListener{
    Button bnt1;
    EditText txt1;
    String str;


         @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            txt1=(EditText) findViewById(R.id.txt1);
            bnt1=(Button)findViewById(R.id.bnt1);
            str=txt1.getText().toString();
            bnt1.setOnClickListener(this);
            
            
        } 
        @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;
        }
    @Override
    public void onClick(View v) {
    // TODO Auto-generated method stub
    if (v.getId()==R.id.bnt1) 
    {
    Toast.makeText(this,"hie "+txt1.getText(), Toast.LENGTH_LONG).show();
    }

    }
        
    }


    Here ends our 2 lesson.if you like then comment it. 
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    Saturday, 13 September 2014

    Android 01

    September 13, 2014 0
    Android 01
                 How to make your first application on android

    • Thinks you required :
      1. sdk
      2. eclips
    IF you r complete setup you can develop first application:
    • this appellation contain 
      • using of java
      • using of xml file
    About application:
    • this simple app contain.when you click on button message is displayed as given in below picture.


    Names :
    • java file::MainActivity.java
    • xml file::activity_main.xml
    STEP 1:: activity_main.xml

    <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:paddingBottom="@dimen/activity_vertical_margin"
        android:paddingLeft="@dimen/activity_horizontal_margin"
        android:paddingRight="@dimen/activity_horizontal_margin"
        android:paddingTop="@dimen/activity_vertical_margin"
        tools:context=".MainActivity" >

        <TextView
            android:id="@+id/textView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="While click message displayes.." />

        <Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignLeft="@+id/textView1"
            android:layout_below="@+id/textView1"
            android:layout_marginTop="15dp"
            android:text="Button" />

    </RelativeLayout>

     STEP 2:: MainActivity.java


    package com.example.myfirstapp;

    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;

    public class MainActivity extends Activity implements OnClickListener {
    Button b1;
    @Override
    protected void onCreate(Bundle savedInstanceState){
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    b1=(Button)findViewById(R.id.button1);
    b1.setOnClickListener(this);
    }

    @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;
    }

    @Override
    public void onClick(View v) {
    // TODO Auto-generated method stub
    Toast.makeText(this, "I am button which you clicked", Toast.LENGTH_LONG).show();
    }

    }



     Here ends our 1 lesson.if you like then comment it. 
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