在安卓系统中防止双击按钮的最佳方法是什么?
当前回答
只有2步,你可以在你的应用程序的任何地方使用它。
步骤1。创建一个单例管理器[避免多次点击]
package com.im.av.mediator;
import android.os.SystemClock;
import java.util.HashMap;
/**
* Created by ShuHeng on 16/6/1.
*/
public class ClickManager {
private HashMap<Integer,Long> laskClickTimeMap=new HashMap<Integer,Long>();
public volatile static ClickManager mInstance =null;
public static ClickManager getInstance(){
if (mInstance == null) {
synchronized(ClickManager.class) {
if (mInstance == null) {
mInstance = new ClickManager();
}
}
}
return mInstance;
}
public boolean isClickable1s(Integer key){
Long keyLong = laskClickTimeMap.get(key);
if(keyLong==null){
laskClickTimeMap.put(key,SystemClock.elapsedRealtime());
return true;
}else{
if (SystemClock.elapsedRealtime() - keyLong.longValue() < 1000){
return false;
}else{
laskClickTimeMap.put(key,new Long(SystemClock.elapsedRealtime()));
return true;
}
}
}
}
步骤2。添加一行,避免多次单击。
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int id = v.getId();
if (id == R.id.iv_back) {
if(!ClickManager.getInstance().isClickable1s(R.id.iv_back))return;
//do something
} else if (id == R.id.iv_light) {
if(!ClickManager.getInstance().isClickable1s(R.id.iv_light))return;
//do something
} else if (id == R.id.iv_camerarotate) {
if(!ClickManager.getInstance().isClickable1s(R.id.iv_camerarotate))return;
//do something
} else if (id == R.id.btn_delete_last_clip) {
if(!ClickManager.getInstance().isClickable1s(R.id.btn_delete_last_clip))return;
//do something
} else if (id == R.id.iv_ok) {
if(!ClickManager.getInstance().isClickable1s(R.id.iv_ok))return;
//do something
}
}
其他回答
加上Jim的回答,代码可以变得更简洁:
fun View.setOnSingleClick(onClick: () -> Unit) {
var lastClickTime = 0L
setOnClickListener {
if (currentTimeMillis() > lastClickTime + 750) onClick()
lastClickTime = currentTimeMillis()
}
}
用法:
aView.setOnSingleClick { }
使用setEnabled(false)禁用按钮,直到用户可以安全地再次单击它。
Setting the button as clickable false upon clicking and true once it is desired to make the button clickable again is the right approach. For instance, consider the following scenario: you are making a service call upon click of a button and once the service is done you want to display a dialog. For this, once the button is clicked you can set setClickable(false) and once the service responds you will do setClicklable(true) through a reference you pass to your custom dialog. When dialog invokes isShowing() you can trigger the listener and setClicklable(true).
只有2步,你可以在你的应用程序的任何地方使用它。
步骤1。创建一个单例管理器[避免多次点击]
package com.im.av.mediator;
import android.os.SystemClock;
import java.util.HashMap;
/**
* Created by ShuHeng on 16/6/1.
*/
public class ClickManager {
private HashMap<Integer,Long> laskClickTimeMap=new HashMap<Integer,Long>();
public volatile static ClickManager mInstance =null;
public static ClickManager getInstance(){
if (mInstance == null) {
synchronized(ClickManager.class) {
if (mInstance == null) {
mInstance = new ClickManager();
}
}
}
return mInstance;
}
public boolean isClickable1s(Integer key){
Long keyLong = laskClickTimeMap.get(key);
if(keyLong==null){
laskClickTimeMap.put(key,SystemClock.elapsedRealtime());
return true;
}else{
if (SystemClock.elapsedRealtime() - keyLong.longValue() < 1000){
return false;
}else{
laskClickTimeMap.put(key,new Long(SystemClock.elapsedRealtime()));
return true;
}
}
}
}
步骤2。添加一行,避免多次单击。
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int id = v.getId();
if (id == R.id.iv_back) {
if(!ClickManager.getInstance().isClickable1s(R.id.iv_back))return;
//do something
} else if (id == R.id.iv_light) {
if(!ClickManager.getInstance().isClickable1s(R.id.iv_light))return;
//do something
} else if (id == R.id.iv_camerarotate) {
if(!ClickManager.getInstance().isClickable1s(R.id.iv_camerarotate))return;
//do something
} else if (id == R.id.btn_delete_last_clip) {
if(!ClickManager.getInstance().isClickable1s(R.id.btn_delete_last_clip))return;
//do something
} else if (id == R.id.iv_ok) {
if(!ClickManager.getInstance().isClickable1s(R.id.iv_ok))return;
//do something
}
}
我需要与片段一起工作,只是放一个标志来控制点击:我只想要第一个,其他的不能访问监听器
private boolean flag = true;
...
@Override
public void onClick(View view) {
...
if (flag) {
...
listener.onFragmentInteraction(Constants.MY_FRAGMENT, bundle);
flag = false;
}
...
}
希望对大家有用,有不正确的地方请指正
推荐文章
- 在Android Studio中创建aar文件
- 修改抽射超时时间
- 如何通过数据从第二个活动到第一个活动时按回?——安卓
- 如何在android中获得当前前景活动上下文?
- 如何在Android中获取当前日期?
- 获取Android设备名称
- 在WebView中上传文件
- 加载HTML文件到WebView
- Android:为什么视图没有maxHeight ?
- 如何获得具有已知资源名称的资源id ?
- 在Android上将字符串转换为整数
- 为什么“System.out。”println“工作在Android?
- WebView显示err_cleartext_not_allowed尽管站点是HTTPS
- Android M权限:对shouldShowRequestPermissionRationale()函数的使用感到困惑
- 为什么构建类型与产品风味不同?