Android之自定义语音音量调节器

最新推荐文章于 2019-08-09 16:00:31 发布

原创

最新推荐文章于 2019-08-09 16:00:31 发布 · 919 阅读

0 ·

CC 4.0 BY-SA版权

本文详细介绍了如何在Android应用中创建一个自定义的语音音量调节器，包括所需的步骤、关键代码片段和实现细节，帮助开发者实现更加个性化的音量控制体验。

public class CustomVolumeView extends View{
    private static final int ITEM_HEIGHT_ADD = 5;
    private static final int ITEM_WIDTH_ADD = 5;
    private static final int WIDTH = 45;
    private static final int HEIGHT = 40;
    private int ITEM = 0;
    private static final int FIRST_ITEM = 20;
    private static final int ITEM_MARGIN = 5;
    private static final int VOLUME = 3;

    private Paint mPaint;

    public CustomVolumeView(Context context) {
        this(context, null);
    }

    public CustomVolumeView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public CustomVolumeView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        mPaint = new Paint();
        mPaint.setColor(getResources().getColor(R.color.new_patient_blue_