MakeCustomActivity.java

package fr.castorflex.android.smoothprogressbar.sample;

import android.app.Activity;
import android.content.res.Resources;
import android.os.Bundle;
import android.util.TypedValue;
import android.view.View;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.view.animation.LinearInterpolator;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ProgressBar;
import android.widget.SeekBar;
import android.widget.Spinner;
import android.widget.TextView;

import fr.castorflex.android.smoothprogressbar.SmoothProgressDrawable;

/**
 * Created by castorflex on 12/1/13.
 */
public class MakeCustomActivity extends Activity {

    private ProgressBar mProgressBar;
    private CheckBox mCheckBoxMirror;
    private CheckBox mCheckBoxReversed;
    private Spinner mSpinnerInterpolators;
    private SeekBar mSeekBarSectionsCount;
    private SeekBar mSeekBarStrokeWidth;
    private SeekBar mSeekBarSeparatorLength;
    private SeekBar mSeekBarSpeed;
    private Button mButton;
    private TextView mTextViewSpeed;
    private TextView mTextViewStrokeWidth;
    private TextView mTextViewSeparatorLength;
    private TextView mTextViewSectionsCount;

    private float mSpeed;
    private int mStrokeWidth;
    private int mSeparatorLength;
    private int mSectionsCount;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_custom);

        mProgressBar = (ProgressBar) findViewById(R.id.progressbar);
        mCheckBoxMirror = (CheckBox) findViewById(R.id.checkbox_mirror);
        mCheckBoxReversed = (CheckBox) findViewById(R.id.checkbox_reversed);
        mSpinnerInterpolators = (Spinner) findViewById(R.id.spinner_interpolator);
        mSeekBarSectionsCount = (SeekBar) findViewById(R.id.seekbar_sections_count);
        mSeekBarStrokeWidth = (SeekBar) findViewById(R.id.seekbar_stroke_width);
        mSeekBarSeparatorLength = (SeekBar) findViewById(R.id.seekbar_separator_length);
        mSeekBarSpeed = (SeekBar) findViewById(R.id.seekbar_speed);
        mButton = (Button) findViewById(R.id.button);
        mTextViewSpeed = (TextView) findViewById(R.id.textview_speed);
        mTextViewSectionsCount = (TextView) findViewById(R.id.textview_sections_count);
        mTextViewSeparatorLength = (TextView) findViewById(R.id.textview_separator_length);
        mTextViewStrokeWidth = (TextView) findViewById(R.id.textview_stroke_width);


        mSeekBarSpeed.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                mSpeed = ((float) progress + 1) / 10;
                mTextViewSpeed.setText("Speed: " + mSpeed);
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

        mSeekBarSectionsCount.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                mSectionsCount = progress + 1;
                mTextViewSectionsCount.setText("Sections count: " + mSectionsCount);
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

        mSeekBarSeparatorLength.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                mSeparatorLength = progress;
                mTextViewSeparatorLength.setText(String.format("Separator length: %ddp", mSeparatorLength));
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

        mSeekBarStrokeWidth.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                mStrokeWidth = progress;
                mTextViewStrokeWidth.setText(String.format("Stroke width: %ddp", mStrokeWidth));
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

        mSeekBarSeparatorLength.setProgress(4);
        mSeekBarSectionsCount.setProgress(4);
        mSeekBarStrokeWidth.setProgress(4);
        mSeekBarSpeed.setProgress(9);

        mSpinnerInterpolators.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_spinner_dropdown_item, getResources().getStringArray(R.array.interpolators)));

        mButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                setValues();
            }
        });
    }

    private void setValues() {
        SmoothProgressDrawable.Builder builder = new SmoothProgressDrawable.Builder(this);

        builder.speed(mSpeed)
                .sectionsCount(mSectionsCount)
                .separatorLength(dpToPx(mSeparatorLength))
                .width(dpToPx(mStrokeWidth))
                .mirrorMode(mCheckBoxMirror.isChecked())
                .reversed(mCheckBoxReversed.isChecked());

        Interpolator interpolator;
        switch (mSpinnerInterpolators.getSelectedItemPosition()) {
            case 1:
                interpolator = new LinearInterpolator();
                break;
            case 2:
                interpolator = new AccelerateDecelerateInterpolator();
                break;
            case 3:
                interpolator = new DecelerateInterpolator();
                break;
            case 0:
            default:
                interpolator = new AccelerateInterpolator();
                break;
        }

        builder.interpolator(interpolator);
        builder.colors(getResources().getIntArray(R.array.colors));

        SmoothProgressDrawable d = builder.build();
        d.setBounds(mProgressBar.getIndeterminateDrawable().getBounds());
        mProgressBar.setIndeterminateDrawable(d);
        d.start();
    }

    public int dpToPx(int dp) {
        Resources r = getResources();
        int px = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
                dp, r.getDisplayMetrics());
        return px;
    }
}