Android Open Source - timestatistic Help Activity

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License

The source code is released under:

GNU General Public License

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Java Source Code

package maximsblog.blogspot.com.timestatistic;
/*from www  .  j  a  v  a 2 s. c  o  m*/
import android.app.Activity;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.text.Html;
import android.text.Html.ImageGetter;
import android.text.method.LinkMovementMethod;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class HelpActivity extends Activity {

  public static final String ARG_TEXT_ID = "text_id";
  public static final String ARG_TITLE = "title";

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_help);
    setTitle(getString(R.string.help));
    TextView textView = (TextView) findViewById(R.id.help_page_intro);
    if (textView != null) {
      textView.setMovementMethod(LinkMovementMethod.getInstance());
      textView.setText(Html.fromHtml(
          getString(R.string.help_page_intro_html)));
    }
  }

  /**
   * Start a TopicActivity and show the text indicated by argument 1.
   * 
   * @param textId
   *            int - resource id of the text to show
   * @return void
   */

  public void startInfoActivity(int textId, String text) {
    if (textId >= 0) {
      Intent intent = (new Intent(this, TopicActivity.class));
      intent.putExtra(ARG_TEXT_ID, textId);
      intent.putExtra(ARG_TITLE, text);
      startActivity(intent);
    } else {
      toast("No information is available for topic: " + textId, true);
    }
  } // end startInfoActivity

  /**
   * Handle the click of one of the help buttons on the page. Start an
   * activity to display the help text for the topic selected.
   * 
   * @param v
   *            View
   * @return void
   */

  public void onClickHelp(View v) {
    int id = v.getId();
    int textId = -1;
    switch (id) {
    case R.id.help_button1:
      textId = R.string.topic_section1;
      break;
    case R.id.help_button2:
      textId = R.string.topic_section2;
      break;
    case R.id.help_button3:
      textId = R.string.topic_section3;
      break;
    case R.id.help_button4:
      textId = R.string.topic_section4;
      break;
    default:
      break;
    }

    if (textId >= 0)
      startInfoActivity(textId, ((Button)v).getText().toString());
    else
      toast("Detailed Help for that topic is not available.", true);
  }

  /**
   * Show a string on the screen via Toast.
   * 
   * @param msg
   *            String
   * @param longLength
   *            boolean - show message a long time
   * @return void
   */

  public void toast(String msg, boolean longLength) {
    Toast.makeText(getApplicationContext(), msg,
        (longLength ? Toast.LENGTH_LONG : Toast.LENGTH_SHORT)).show();
  }

  
}

Java Source Code List