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  1. POonBackPressed function in android
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    copied!<p>I am creating app, in one class it contains imageview and textview, another contain edittext, when I press back button, the edittext in 2nd class has to store and set it in textview of first class. Here is my code.</p> <p>BuckMain.java</p> <pre><code>package com.jumoun.ibuck; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.View; import android.widget.ImageView; import android.widget.TextView; public class BuckMain extends Activity { ImageView ivSu; TextView tvName; private String sSuName; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ivSu = (ImageView) findViewById(R.id.ivSu); tvName = (TextView) findViewById(R.id.tvName); ivSu.setClickable(true); ivSu.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(); intent.setClass(getApplicationContext(), BuckDisplay.class); startActivityForResult(intent, 1); } }); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub super.onActivityResult(requestCode, resultCode, data); if (requestCode == 1) { if (resultCode == RESULT_OK) { sSuName = data.getStringExtra("name"); tvName.setText(sSuName); } } } } </code></pre> <p>BuckDisplay.java</p> <pre><code> package com.jumoun.ibuck; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.widget.EditText; import android.widget.ImageView; import android.widget.TextView; public class BuckDisplay extends Activity { ImageView ivSu1; TextView tvDisplay; TextView tvName1; EditText etName1; String sName1; private int resultCode = 1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.buck_display); ivSu1 = (ImageView) findViewById(R.id.ivSu1); tvDisplay = (TextView) findViewById(R.id.tvDisplay); tvName1 = (TextView) findViewById(R.id.tvName1); etName1 = (EditText) findViewById(R.id.etName1); } @Override public void onBackPressed() { // TODO Auto-generated method stub super.onBackPressed(); sName1 = etName1.toString(); Bundle bundle = new Bundle(); bundle.putString("name", sName1); Intent intent = new Intent(); setResult(resultCode, intent); intent.putExtras(bundle); super.onBackPressed(); } } </code></pre> <p>When I press back button, it is not showing in first class :(</p>
 

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