Save data to Preference : Activity « UI « Android

1. Android
2. UI
3. Activity

Save data to Preference

     

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent">
  <TextView  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="Email:"
    android:padding="5dip" 
  />
  <EditText
    android:id="@+id/email"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content"
    android:singleLine="true"
  />
  <CheckBox
    android:id="@+id/age"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="Are You Over 18?"
  />
  <TextView  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="Message:"
    android:padding="5dip" 
  />
  <EditText
    android:id="@+id/message"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content"
    android:minLines="3"
    android:maxLines="3"
  />
  <Button
    android:id="@+id/submit"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="Submit"
  />
</LinearLayout>
package app.test;

import android.app.Activity;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;

public class Test extends Activity implements View.OnClickListener {

    EditText email, message;
    CheckBox age;
    Button submit;
    
    SharedPreferences formStore;
    
    boolean submitSuccess = false;
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        email = (EditText)findViewById(R.id.email);
        message = (EditText)findViewById(R.id.message);
        age = (CheckBox)findViewById(R.id.age);
        
        submit = (Button)findViewById(R.id.submit);
        submit.setOnClickListener(this);
        formStore = getPreferences(Activity.MODE_PRIVATE);
    }
    
    @Override
    public void onResume() {
        super.onResume();
        email.setText(formStore.getString("email", ""));
        message.setText(formStore.getString("message", ""));
        age.setChecked(formStore.getBoolean("age", false));
    }
    
    @Override
    public void onPause() {
        super.onPause();
        if(submitSuccess) {
            formStore.edit().clear().commit();
        } else {
            SharedPreferences.Editor editor = formStore.edit();
            editor.putString("email", email.getText().toString());
            editor.putString("message", message.getText().toString());
            editor.putBoolean("age", age.isChecked());
            editor.commit();
        }
    }

    @Override
    public void onClick(View v) {
        submitSuccess = true;
        finish();
    }
}

   
    
    
    
    
  

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