【问题标题】:Double Click Problem in android with java使用java在android中双击问题
【发布时间】:2022-01-09 12:29:08
【问题描述】:

我已经为双击创建了一个 Java 类,但我无法双击该项目,因为当我只单击一次时,该项目不会等待双击!

双击类代码

package com.programiner.studyvillaadmin.Classes.Listener;

import android.view.View;

public abstract class DoubleClickListener implements View.OnClickListener {

    private static final long DOUBLE_CLICK_TIME_DELTA = 300;//milliseconds

    long lastClickTime = 0;

    @Override
    public void onClick(View v) {
        long clickTime = System.currentTimeMillis();
        if (clickTime - lastClickTime < DOUBLE_CLICK_TIME_DELTA){
            onDoubleClick(v);
            lastClickTime = 0;
        } else {
            onSingleClick(v);
        }
        lastClickTime = clickTime;
    }

    public abstract void onSingleClick(View v);
    public abstract void onDoubleClick(View v);
}

【问题讨论】:

标签: java android cardview


【解决方案1】:
private long mLastClickTime = 0;
    @Override
    public void onClick(View v) {
        if (SystemClock.elapsedRealtime() - mLastClickTime < 1000) //*1000 is time to perform second click*
            return; *// return when second click happen in second*
        mLastClickTime = SystemClock.elapsedRealtime();
        GameSound.getInstance(getApplicationContext()).sound__(GameSound.buttonClick);

        if (v == findViewById(R.id.tvUsername)) {
            StartActivity(UserProfile.class);
        }
    }

示例

public long mLastClickTime = 0; //声明和定义public

holder.itemView.setOnClickListener(new View.OnClickListener() {  //click lister of itemview of RV Adapter
                            @Override
                            public void onClick(View v) {
                                if (SystemClock.elapsedRealtime() - mLastClickTime < 1000) //*1000 is time to perform second click*
                                    return; // return when second click happen in second*
                                mLastClickTime = SystemClock.elapsedRealtime();

                                //do stuff here...
                            }
                        });

【讨论】:

  • 作为初学者!你能不能把你答案的全部代码提供给我,并展示如何在 RV 适配器中实现这个类
  • 好的,请检查我编辑的答案。
  • 不明白的请参考此链接code.tutsplus.com/tutorials/…
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