如何在 android 服务中禁用主页和后退按钮
How to disable Home and Back Button in android service
如何在弹出对话框打开时禁用服务中的主页和后退按钮单击功能。
dialog.setOnKeyListener(new Dialog.OnKeyListener() {
@Override
public boolean onKey(DialogInterface dialogs, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
//what should i do
}
if (keyCode == KeyEvent.KEYCODE_HOME) {
//what should i do
}
return false;
}
});
将可取消设置为 false
dialog.setCancelable(false);
dialog.setOnKeyListener(new Dialog.OnKeyListener() {
@Override
public boolean onKey(DialogInterface dialogs, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_HOME) {
//what should i do
return true;
}
return false;
}
});
如果您的上述代码在您的服务中正常工作,您只需 return true
.
dialog.setOnKeyListener(new Dialog.OnKeyListener() {
@Override
public boolean onKey(DialogInterface dialogs, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
return true;
}
if (keyCode == KeyEvent.KEYCODE_HOME) {
return true;
}
return false;
}
});
注意: returning true
将指示系统您将处理进一步的事件并且没有进一步的转发需要 event
个。
如何在弹出对话框打开时禁用服务中的主页和后退按钮单击功能。
dialog.setOnKeyListener(new Dialog.OnKeyListener() {
@Override
public boolean onKey(DialogInterface dialogs, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
//what should i do
}
if (keyCode == KeyEvent.KEYCODE_HOME) {
//what should i do
}
return false;
}
});
将可取消设置为 false
dialog.setCancelable(false);
dialog.setOnKeyListener(new Dialog.OnKeyListener() {
@Override
public boolean onKey(DialogInterface dialogs, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_HOME) {
//what should i do
return true;
}
return false;
}
});
如果您的上述代码在您的服务中正常工作,您只需 return true
.
dialog.setOnKeyListener(new Dialog.OnKeyListener() {
@Override
public boolean onKey(DialogInterface dialogs, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
return true;
}
if (keyCode == KeyEvent.KEYCODE_HOME) {
return true;
}
return false;
}
});
注意: returning true
将指示系统您将处理进一步的事件并且没有进一步的转发需要 event
个。