MainActivity.java

package com.f2prateek.progressbutton.samples;

import android.app.Activity;
import android.os.Bundle;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import com.f2prateek.progressbutton.ProgressButton;

/**
 * Examples.
 * 1 : Default
 * 2 : Pinned
 * 3 : Pinned Clickable
 * 4 : Colored Clickable
 * <p/>
 * Row 1 : from xml
 * Row 2 : from code (duplicating row 1)
 */
public class MainActivity extends Activity {
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    final ProgressButton progressButton1 = (ProgressButton) findViewById(R.id.pin_progress_1);
    final ProgressButton progressButton2 = (ProgressButton) findViewById(R.id.pin_progress_2);
    final ProgressButton progressButton3 = (ProgressButton) findViewById(R.id.pin_progress_3);
    final ProgressButton progressButton4 = (ProgressButton) findViewById(R.id.pin_progress_4);

    final LinearLayout container = (LinearLayout) findViewById(R.id.container);

    /**
     * Default implementation of the {@link ProgressButton}.
     * By default, the {@link ProgressButton} is not clickable, and is unpinned.
     */
    final ProgressButton progressButton5 = addProgressButton(container);

    /**
     * A  {@link ProgressButton} that starts pinned, and is not clickable, so it
     * stays pinned.
     * @see ProgressButton#setPinned(boolean)
     * @see View#setClickable(boolean)
     */
    final ProgressButton progressButton6 = addProgressButton(container);
    progressButton6.setPinned(true);

    /**
     * A progress button that starts pinned, and is clickable, so it's
     * pinned state can be changed by the user.
     * @see ProgressButton#setPinned(boolean)
     * @see View#setClickable(boolean)
     */
    final ProgressButton progressButton7 = addProgressButton(container);
    progressButton7.setPinned(true);
    progressButton7.setClickable(true);
    progressButton7.setFocusable(true);

    /**
     * An example of how to use style the button in code.
     * @see ProgressButton#setPinnedDrawable(android.graphics.drawable.Drawable)
     * @see ProgressButton#setUnpinnedDrawable(android.graphics.drawable.Drawable)
     * @see ProgressButton#setShadowDrawable(android.graphics.drawable.Drawable)
     * @see ProgressButton#setProgressColor(int)
     * @see ProgressButton#setCircleColor(int)
     */
    final ProgressButton progressButton8 = addProgressButton(container);
    progressButton8.setProgressColor(getResources().getColor(R.color.holo_green_light));
    progressButton8.setCircleColor(getResources().getColor(R.color.holo_green_dark));
    progressButton8.setClickable(true);
    progressButton8.setFocusable(true);

    CompoundButton.OnCheckedChangeListener checkedChangeListener =
        new CompoundButton.OnCheckedChangeListener() {
          @Override
          public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
            updatePinProgressContentDescription((ProgressButton) compoundButton);
          }
        };

    progressButton1.setOnCheckedChangeListener(checkedChangeListener);
    progressButton2.setOnCheckedChangeListener(checkedChangeListener);
    progressButton3.setOnCheckedChangeListener(checkedChangeListener);
    progressButton4.setOnCheckedChangeListener(checkedChangeListener);
    progressButton5.setOnCheckedChangeListener(checkedChangeListener);
    progressButton6.setOnCheckedChangeListener(checkedChangeListener);
    progressButton7.setOnCheckedChangeListener(checkedChangeListener);
    progressButton8.setOnCheckedChangeListener(checkedChangeListener);

    SeekBar progressSeekBar = (SeekBar) findViewById(R.id.progress_seek_bar);
    progressSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
      @Override
      public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
        updateProgressButton(progressButton1, seekBar);
        updateProgressButton(progressButton2, seekBar);
        updateProgressButton(progressButton3, seekBar);
        updateProgressButton(progressButton4, seekBar);
        updateProgressButton(progressButton5, seekBar);
        updateProgressButton(progressButton6, seekBar);
        updateProgressButton(progressButton7, seekBar);
        updateProgressButton(progressButton8, seekBar);
      }

      @Override
      public void onStartTrackingTouch(SeekBar seekBar) {
      }

      @Override
      public void onStopTrackingTouch(SeekBar seekBar) {
      }
    });

    updateProgressButton(progressButton1, progressSeekBar);
    updateProgressButton(progressButton2, progressSeekBar);
    updateProgressButton(progressButton3, progressSeekBar);
    updateProgressButton(progressButton4, progressSeekBar);
    updateProgressButton(progressButton5, progressSeekBar);
    updateProgressButton(progressButton6, progressSeekBar);
    updateProgressButton(progressButton7, progressSeekBar);
    updateProgressButton(progressButton8, progressSeekBar);
  }

  /**
   * Helper method to update the progressButton's progress and it's
   * content description.
   */
  private void updateProgressButton(ProgressButton progressButton, SeekBar progressSeekBar) {
    progressButton.setProgress(progressSeekBar.getProgress());
    updatePinProgressContentDescription(progressButton);
  }

  private void updatePinProgressContentDescription(ProgressButton button) {
    int progress = button.getProgress();
    if (progress <= 0) {
      button.setContentDescription(getString(
          button.isChecked() ? R.string.content_desc_pinned_not_downloaded
              : R.string.content_desc_unpinned_not_downloaded));
    } else if (progress >= 100) {
      button.setContentDescription(getString(
          button.isChecked() ? R.string.content_desc_pinned_downloaded
              : R.string.content_desc_unpinned_downloaded));
    } else {
      button.setContentDescription(getString(
          button.isChecked() ? R.string.content_desc_pinned_downloading
              : R.string.content_desc_unpinned_downloading));
    }
  }

  /**
   * Helper function that creates a new progress button, adds it to the given layout.
   * Returns a reference to the progress button for customization.
   */
  private ProgressButton addProgressButton(LinearLayout container) {
    final LinearLayout.LayoutParams layoutParams =
        new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT, 1.0f);
    final ProgressButton progressButton = new ProgressButton(this);
    progressButton.setLayoutParams(layoutParams);
    container.addView(progressButton);
    return progressButton;
  }
}