Android开发 多次点击按钮实现不同的功能

2025年02月04日 16:34
有5个网友回答
网友(1):

可以声明一个按钮的集合,再声明一个boolean数组,用循环设置监听事件,例如:

private Button[] buttons = new Button[10];
private boolean[] ifPressed = new boolean[10];
private String[] audioPathes = new String[]{第一个语音文件的路径, 第二个语音文件的路径.......};
private int[] idOfButtons = new int[]{R.id.第一个button的id, R.id.第二个button的id, ..... };
private Class[i] classes = new Class[]{xxxxActivity.class, xxxxActivity.class, .......};

oncreat(){
for(int i = 0; i<10; i++){
buttons[i] = (Button) findViewById(idOfButtons[i]);
buttons[i].setOnClickListener(new OnClickListener(){
//因为boolean数组初值为false,所以不用初始化为false,直接调用
if(!ifPressed[i]){
//单独写个方法,传入路径播放语音,用Media或者SoundPool都可以
//如果是播放同一个语音的话就不用加路径参数了,audioPathes也不用了
playAudio(audioPathes[i]);
ifPressed[i] = true;
}
Intent intent = new Intent(MainActivity.this, classes[i]);
startActivity(intent);
finish();//要不要结束当前Activity根据你的app要求吧
});
}
}
大概思路就是这样了,直接在网页上打的,排版不是太好,变量名可能也有打错不一样的,还是先理解了自己写吧,这样才有提高。

刚刚重新看了下,buttons数组可以不要,在循环里直接new一个Button就可以了,把
buttons[i] = (Button) findViewById(idOfButtons[i]);
buttons[i].setOnClickListener(new OnClickListener(){});
替换为:
Button button = (Button) findViewById(idOfButtons[i]);
button.setOnClickListener(new OnClickListener(){
就好了

网友(2):

实现按钮监听的实现类,并在实现类中定义标记变量,根据变量值执行不同的方法。

示例:
        int flag = 0;//定义标记变量
        Button btn = (Button)findViewById(R.id.xxx);//获取按钮
        btn.setOnClickListener(new View.OnClickListener() {//点击实现类
@Override
public void onClick(View v) {
if(flag==0){
   //执行方法1(对应功能1)    
}else if(flag==1){
   //执行方法2(对应功能2)
}else if(flag==2){
   //执行方法3(对应功能3)
}
flag=(flag+1)%3;//其余得到循环执行上面3个不同的功能
}
});

网友(3):

既然一个按钮可以实现,那理论上讲,10个按钮也是一样的,这每个按钮都有自己的listener,他们是不一样的,都仿照着那个已经实现了的按钮写不就行了吗

网友(4):

第一次点击以后把listener换掉
或者用一个数组来记录每个按钮是不是第一次按下

网友(5):

button.settag。这样估计会方便点

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