Android Open Source - Labs-HandHeld-Systems Explicitly Loaded Activity

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License

The source code is released under:

Apache License

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Java Source Code

package course.labs.intentslab;
//from ww w  . ja v a  2  s. c om
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class ExplicitlyLoadedActivity extends Activity {

  static private final String TAG = "Lab-Intents";
  static private final String USER_TEXT = "user-text";

  private EditText mEditText;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    setContentView(R.layout.explicitly_loaded_activity);

    // Get a reference to the EditText field
    mEditText = (EditText) findViewById(R.id.editText);

    // Declare and setup "Enter" button
    Button enterButton = (Button) findViewById(R.id.enter_button);
    enterButton.setOnClickListener(new OnClickListener() {

      // Call enterClicked() when pressed

      @Override
      public void onClick(View v) {

        enterClicked();
      
      }
    });

  }

  // Sets result to send back to calling Activity and finishes
  
  private void enterClicked() {

    Log.i(TAG,"Entered enterClicked()");
    
    // DONE: Save user provided input from the EditText field
    String inputTextFromUser = mEditText.getText().toString();
    Log.i(TAG,"inputtextFromUser: " + inputTextFromUser);
    // DONE - Create a new intent and save the input from the EditText field as an extra
    Intent returnTextToActivityLoader = new Intent();
    returnTextToActivityLoader.setAction(Intent.ACTION_SEND);
    returnTextToActivityLoader.putExtra(USER_TEXT, inputTextFromUser);

    // DONE: Set Activity's result with result code RESULT_OK
    this.setResult(RESULT_OK, returnTextToActivityLoader);
    // DONE: Finish the Activity
    this.finish();
  }
}

Java Source Code List