ReleaseNoteStep.java

package org.solovyev.android.calculator.release;

import android.os.Bundle;
import android.support.v4.app.Fragment;

import org.solovyev.android.wizard.WizardStep;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class ReleaseNoteStep implements WizardStep {
    private final int version;

    public ReleaseNoteStep(int version) {
        this.version = version;
    }

    public ReleaseNoteStep(@Nonnull Bundle arguments) {
        this(arguments.getInt(ReleaseNoteFragment.ARG_VERSION, 0));
    }

    @Nonnull
    @Override
    public String getFragmentTag() {
        return getName();
    }

    @Nonnull
    @Override
    public Class<? extends Fragment> getFragmentClass() {
        return ReleaseNoteFragment.class;
    }

    @Nullable
    @Override
    public Bundle getFragmentArgs() {
        final Bundle bundle = new Bundle();
        bundle.putInt(ReleaseNoteFragment.ARG_VERSION, version);
        return bundle;
    }

    @Override
    public int getTitleResId() {
        return 0;
    }

    @Override
    public int getNextButtonTitleResId() {
        return 0;
    }

    @Override
    public boolean onNext(@Nonnull Fragment fragment) {
        return false;
    }

    @Override
    public boolean onPrev(@Nonnull Fragment fragment) {
        return false;
    }

    @Override
    public boolean isVisible() {
        return false;
    }

    @Nonnull
    @Override
    public String getName() {
        return "release-note-" + version;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        final ReleaseNoteStep that = (ReleaseNoteStep) o;
        return version == that.version;

    }

    @Override
    public int hashCode() {
        return version;
    }
}