Android Code for Describing Application life Cycle

 

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class FfffActivity extends Activity {
 String t="ms event";
 public void onCreate(Bundle                savedInstanceState) 

{
 super.onCreate(savedInstanceState);
 setContentView(R.layout.main);
  Log.d(t,"in the onCreate state");

}

 public void  onStart() {
  super.onStart();
  Log.d(t,"in the onStart state");       
  }
 public void  onRestart() {
  super.onRestart();
  Log.d(t,"in the onRetart state");
  }
 public void  onResume() {
  super.onResume();
  Log.d(t,"in the onResume state");
  }
 public void  onPause() {
  super.onPause();
  Log.d(t,"in the onPause state");
  }
 public void  onStop() {
  super.onStop();
  Log.d(t,"in the onStop state");
  }
 public void  onDestroy() {
  super.onDestroy();
  Log.d(t,"in the onDestroy state");
  }
  
}

Press on back button,home button,Call button And see the changes in Log cat

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How to add Button Action performed in Android / SetOnClickListener

JAVA  CODE

Button bt=(Button)findViewById(R.id.button1);bt.setOnClickListener(new View.OnClickListener() {public void onClick(View v) {

Context context = getApplicationContext();

CharSequence text = "This is the Toast message!";

int duration = Toast.LENGTH_SHORT;Toast toast = Toast.makeText(context, text, duration);toast.show();
              
            }
        });

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How to Create Toast Messages in Android Applications

A toast notification is a message that pops up on the surface of the window. It only fills the amount of space required for the message and the user's current activity remains visible and interactive. The notification automatically fades in and out, and does not accept interaction events.

Context context = getApplicationContext();
CharSequence text = "This is the Toast message!";
int duration = Toast.LENGTH_SHORT;
Toast toast = Toast.makeText(context, text, duration);
toast.show();

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ATMs To Operate With Smart Phone

               


New technology to enable people to withdraw money from cash machines using their smartphone has been unveiled.

          Customers who use the Royal Bank of Scotland (RBS) or NatWest mobile banking app can now request cash, up to £100, via their smartphone.They are given a six-digit code to enter into an ATM to release the cash.A similar system has been developed by cash machine operator NCR. This requires users to scan a barcode to withdraw the money.The services are the latest developments in a long-predicted move towards the smartphone becoming a digital wallet.

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