Android Open Source - epgreader-android Header Fragment

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License

The source code is released under:

Apache License

Java Source Code

package com.jeffpalm.android.epg.app;
/*www .  j a  v  a2  s. c  om*/
import com.jeffpalm.android.epg.app.R;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.util.Log;

/**
 * The header bar, which contains the title, sub title, reload button, and progress spinny.
 */
public final class HeaderFragment extends Fragment {

  private static final String TAG = "HeaderFragment";

  private TextView mTitleText;
  private TextView mSubTitleText;
  private ProgressBar mProgressBar;
  private ImageView mReloadButton;

  /**
   * Stores whether we should be showing progress or not. We need this because we could call
   * startProgress and doneProgress before the activity is attached.
   */
  private boolean mInProgress;

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.header, container, false);
    mTitleText = (TextView) view.findViewById(R.id.headerTitle);
    mSubTitleText = (TextView) view.findViewById(R.id.headerSubTitle);
    mProgressBar = (ProgressBar) view.findViewById(R.id.progressBar);
    mReloadButton = (ImageView) view.findViewById(R.id.reloadButton);
    mSubTitleText.setText("");

    ImageView settingsButton = (ImageView) view.findViewById(R.id.settingsButton);
    settingsButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        Intent prefsIntent = new Intent(getActivity().getApplicationContext(),
            EPGReaderPreferencesActivity.class);
        getActivity().startActivity(prefsIntent);
      }
    });

    setReloadOnClickListener();
    setTitleTextOnClickListener();

    return view;
  }

  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    // Call startProgress again if we've called it before the activity we attached.
    if (mInProgress) {
      startProgress();
    }
  }

  /**
   * Sets the subtitle, which is empty by default.
   * 
   * @param subTitle the new sub title
   */
  public void setSubTitle(CharSequence subTitle) {
    mSubTitleText.setText(subTitle);
  }

  /** Starts the progress bar spinning and hides the reload button. */
  public void startProgress() {
    Log.d(TAG, "startProgress");
    mInProgress = true;
    if (getActivity() != null) {
      getActivity().runOnUiThread(new Runnable() {
        @Override
        public void run() {
          mReloadButton.setVisibility(View.GONE);
          mProgressBar.setIndeterminate(true);
          mProgressBar.setVisibility(View.VISIBLE);
        }
      });
    }
  }

  /** Stops the progress bar from spinning and shows the reload button. */
  public void doneProgress() {
    Log.d(TAG, "doneProgress");
    mInProgress = false;
    if (getActivity() != null) {
      getActivity().runOnUiThread(new Runnable() {
        @Override
        public void run() {
          mProgressBar.setIndeterminate(false);
          mProgressBar.setVisibility(View.GONE);
          mReloadButton.setVisibility(View.VISIBLE);
        }
      });
    }
  }

  private Runnable mReloadButtonOnClickRunnable;
  private Runnable mTitleTextOnClickRunnable;

  /**
   * Specifies that {@code runnable} should be run when the reload button is clicked.
   * 
   * @param runnable The runnable to run when the reload button is clicked.
   */
  public void setReloadRunable(final Runnable runnable) {
    mReloadButtonOnClickRunnable = runnable;
    setReloadOnClickListener();
  }

  /**
   * Sets the onclick listener for {@link #mReloadButton} if both
   * {@link #mReloadButtonOnClickRunnable} and the runnable set by {@link #setReloadRunable} have
   * been set.
   */
  private void setReloadOnClickListener() {
    if (mTitleText != null && mTitleTextOnClickRunnable != null) {
      mReloadButton.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
          mReloadButtonOnClickRunnable.run();
        }
      });
    }
  }

  /**
   * Specifies that {@code runnable} should be run when the title button is clicked.
   * 
   * @param runnable The runnable to run when the title button is clicked.
   */
  public void setTitleRunable(final Runnable runnable) {
    mTitleTextOnClickRunnable = runnable;
    setTitleTextOnClickListener();
  }

  /**
   * Sets the onclick listener for {@link #mTitleText} if both {@link #mTitleText} and the runnable
   * set by {@link #setTitleTextRunable} have been set.
   */
  private void setTitleTextOnClickListener() {
    if (mTitleText != null && mTitleTextOnClickRunnable != null) {
      mTitleText.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
          mTitleTextOnClickRunnable.run();
        }
      });
    }
  }
}

Java Source Code List

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