粒子系统

Question

我试图从下面的链接https://github.com/plattysoft/Leonids中使用粒子系统

                ParticleSystem ps = new ParticleSystem(holder.itemView.getContext(), 50, R.drawable.emoji_1f358, 1000);
                ps.setSpeedRange(0.1f, 0.25f);
                ps.setScaleRange(0.7f, 1.3f);
                ps.setSpeedRange(0.1f, 0.25f);
                ps.setAcceleration(0.0001f, 90);
                ps.setRotationSpeedRange(90, 180);
                ps.setFadeOut(200, new AccelerateInterpolator());
                ps.emit(v, 100)

我正在尝试在MyAdapter文件中使用以下函数:-

public void onBindViewHolder(final MyHolderCHAT holder, final int position) {
}

这给了我一个构建错误如下:-

错误：(1824，41)错误:没有为ParticleSystem(上下文、int、int、int)构造函数ParticleSystem.ParticleSystem(ViewGroup，int，可绘制，long)找到合适的构造函数不适用(参数不匹配；上下文不能转换为ViewGroup)构造函数ParticleSystem.ParticleSystem(Activity，int，int，long)不适用(参数不匹配；上下文不能转换为活动)构造函数ParticleSystem.ParticleSystem(活动，int，可绘制，长)不适用(参数错配；上下文不能转换为活动)构造函数ParticleSystem.ParticleSystem(Activity，int，Bitmap，long)不适用(参数不匹配；上下文不能转换为活动)构造函数ParticleSystem.ParticleSystem(Activity，int，AnimationDrawable，long)不适用(参数不匹配；上下文不能转换为活动)

下面是我的适配器代码：

public class MyAdapterCHAT extends RecyclerView.Adapter<MyHolderCHAT>  {

    Context c;
    Activity activity;
    int click=0;
    int img_pos;
    boolean isPlaying=false;
    static MediaPlayer mp;
    int curr_pos;
     ViewGroup vg;
    CountDownTimer cT;
    int total;
    String DBname;
    //private FullScreenImageAdapter adapter;

    ArrayList<String> path;
    private ViewPager viewPager;
    String react;
    ArrayList<String> pagerListItems;
    int progress=0;
    ArrayList<DATA_CONTACT_CHAT> data_contact,filterlist22;
  //  private final ItemClickListener listener;

    public MyAdapterCHAT(Context c, ArrayList<DATA_CONTACT_CHAT> data_contact) {
        this.c = c;
        this.data_contact = data_contact;
        this.filterlist22=data_contact;
       // this.listener=listener;
    }


    @Override
    public MyHolderCHAT onCreateViewHolder(ViewGroup parent, int viewType) {

       View view= LayoutInflater.from(parent.getContext()).inflate(R.layout.chatinputlayout,parent,false);

        MyHolderCHAT myHolderCHAT=new MyHolderCHAT(view);

        //this.vg=parent;

        return myHolderCHAT;
    }


 @Override
    public void onBindViewHolder(final MyHolderCHAT holder, final int position) {
        //BIND DATA

holder.hi5.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                if(holder.counter_hi5.getText().toString().contains("remaining:"))
                {
                    if (data_contact.get(position).getSender_name().equals(data_contact.get(position).getCurrent_user())) {

                        Vibrator vibe = (Vibrator) holder.itemView.getContext().getSystemService(Context.VIBRATOR_SERVICE);
                        vibe.vibrate(100);
                        Toast.makeText(c, " \uD83C\uDFFB Ohh..Wait for " + data_contact.get(position).getSecond_user() + " To Hi5 You..", Toast.LENGTH_SHORT).show();

                    } else {
                        cT.cancel();
                        holder.counter_hi5.setText(" \uD83D\uDE00 You got a High Five from " + data_contact.get(position).getSecond_user());

                   ParticleSystem ps = new ParticleSystem(holder.itemView.getContext(), 50, R.drawable.emoji_1f358, 1000);
                    ps.setSpeedRange(0.1f, 0.25f);
                   ps.setScaleRange(0.7f, 1.3f);
                    ps.setSpeedRange(0.1f, 0.25f);
                   ps.setAcceleration(0.0001f, 90);
                   ps.setRotationSpeedRange(90, 180);
                    ps.setFadeOut(200, new AccelerateInterpolator());
                    ps.emit(v, 100);

                    }
                }
                else {

                }
            }
        });



}

Answer 1

堆栈跟踪准确地显示了正在发生的事情。您要传递的参数没有构造函数。

您可以尝试另一个方法来实例化它。

例如：new ParticleSystem(ViewGroup, int, Drawable , long)

所以,

Context ctx = holder.itemView.getContext()
ViewGroup vg = (ViewGroup) holder.itemView.getParent();
Drawable drawable = ContextCompat.getDrawable(ctx, R.drawable.emoji_1f358);
ParticleSystem ps = new ParticleSystem(vg, 50, drawable, 1000L);
ps.setSpeedRange(0.1f, 0.25f);
ps.setScaleRange(0.7f, 1.3f);
ps.setSpeedRange(0.1f, 0.25f);
ps.setAcceleration(0.0001f, 90);
ps.setRotationSpeedRange(90, 180);
ps.setFadeOut(200, new AccelerateInterpolator());
ps.emit(v, 100)