sample code:

Tutorial_Activity_Activity_backPage

package com.powenko;








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




public class Tutorial_Activity_Activity_backPageActivity extends Activity {
	 int requestCode;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button b1 = (Button) findViewById(R.id.button1);
        b1.setOnClickListener(new Button.OnClickListener()
        {
          public void onClick(View v)
          {
           
            Intent intent = new Intent();
        	  intent.setClass(Tutorial_Activity_Activity_backPageActivity.this, page2.class);
        	  
        	  Bundle bundle=new Bundle();
        	  bundle.putInt("intvlaue", 1);
        	  bundle.putString("Web", "www.powenko.com");        	
        	  intent.putExtras(bundle);
       
        	  startActivityForResult(intent,0);
        //	  startActivity(intent);
        //	  Tutorial_Activity_Activity_backPageActivity.this.finish();
          }
        });
    }
    
    
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        Log.d("CheckStartActivity","onActivityResult and resultCode = "+resultCode);
        // TODO Auto-generated method stub
        super.onActivityResult(requestCode, resultCode, data);
        if(resultCode==RESULT_OK){
            Toast.makeText(this, "Pass", Toast.LENGTH_LONG).show();
            Bundle bundle2=data.getExtras();
            String t_page2Result=bundle2.getString("page2Result");
            




            TextView t_textView_title = (TextView)findViewById(R.id.textView1);
            t_textView_title.setText(t_page2Result);
            
            
        }
        else{
            Toast.makeText(this, "Fail", Toast.LENGTH_LONG).show();
        }
    }
    
}
package com.powenko;



import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;



public class page2 extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.page2layout);
        Bundle bundle= this.getIntent().getExtras();
        int t_value=bundle.getInt("intvlaue");
        String t_web=bundle.getString("Web");
        

        TextView t_textView_title = (TextView)findViewById(R.id.textView1);
        t_textView_title.setText(t_web+ t_value);
        
        
        Button b1 = (Button) findViewById(R.id.button1);
        b1.setOnClickListener(new Button.OnClickListener()
        {
          public void onClick(View v)
          {
        	  FunBack();
             
          }
        });
        
        
    }
    
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
        	FunBack();
            
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }
    public void FunBack(){
      Intent intent = page2.this.getIntent();
      Bundle bundle= intent.getExtras();

   	  bundle.putString("page2Result", "this info is from page2"); 
   	  intent.putExtras(bundle);
         
   	  page2.this.setResult(RESULT_OK, intent);
   	  page2.this.finish();
    }
    
    
}

By admin-powenko

Dr. Powen Ko is a teacher and CEO on LoopTek LLC, and like to teaching. if you need to class, please let PowenKo know, he will love to service and sharing. LoopTek web site is www.looptek.com

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