Question

如何让Android中的组件不响应触屏事件

Answer 1

禁止Android 组件响应事件，有以下方式：

1. 给控件注册一个touch事件，并return true，即可。

view.onTouchEvent(new View.OnTouchListener() {

@Override

public boolean onTouch(View v, MotionEvent event) {

return true;

}

})

2.给控件设置setClickable(false)，即可。

Answer 2

C/C++ code?

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public class RepeatingImageButton extends ImageButton {
private long mStartTime; //记录长按开始
private int mRepeatCount; //重复次数计数
private RepeatListener mListener;
private long mInterval = 500; //Timer触发间隔，即每0.5秒算一次按下
public RepeatingImageButton(Context context) {
this(context, null);
}
public RepeatingImageButton(Context context, AttributeSet attrs) {
this(context, attrs, android.R.attr.imageButtonStyle);
}
public RepeatingImageButton(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setFocusable(true); //允许获得焦点
setLongClickable(true); //启用长按事件
}
public void setRepeatListener(RepeatListener l, long interval) { //实现重复按下事件listener
mListener = l;
mInterval = interval;
}
@Override
public boolean performLongClick() {
mStartTime = SystemClock.elapsedRealtime();
mRepeatCount = 0;
post(mRepeater);
return true;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_UP) { // 本方法原理同onKeyUp的一样，这里处理屏幕事件，下面的onKeyUp处理Android手机上的物理按键事件
removeCallbacks(mRepeater);
if (mStartTime != 0) {
doRepeat(true);
mStartTime = 0;
}
}
return super.onTouchEvent(event);
}
//处理导航键事件的中键或轨迹球按下事件
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.KEYCODE_ENTER:
super.onKeyDown(keyCode, event);
return true;
}
return super.onKeyDown(keyCode, event);
}
//当按键弹起通知长按结束
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.KEYCODE_ENTER:
removeCallbacks(mRepeater); //取消重复listener捕获
if (mStartTime != 0) {
doRepeat(true); //如果长按事件累计时间不为0则说明长按了
mStartTime = 0; //重置长按计时器
}
}
return super.onKeyUp(keyCode, event);
}
private Runnable mRepeater = new Runnable() { //在线程中判断重复
public void run() {
doRepeat(false);
if (isPressed()) {
postDelayed(this, mInterval); //计算长按后延迟下一次累加
}
}
};
private void doRepeat(boolean last) {
long now = SystemClock.elapsedRealtime();
if (mListener != null) {
mListener.onRepeat(this, now – mStartTime, last ? -1 : mRepeatCount++);
}
}