△注意:这里有一个坑点。功能我们Framework这边是实现了,但是有时候Ctrl+FN一旦组合使用后,会导致其他按键不正常,经排查是由于Ctrl键一直处于锁定状态(按下状态),为什么呢?我可以告诉你,这是驱动上报事件写的问题,因为我不知道驱动已经写好了这样的事件,导致自己写了一个估计与他们产生了冲突,只要是组合键他只会上报CTRL+FN的组合键值,并不会上报给我CTRL和FN的单个键值,所以导致我们FW层这边的逻辑被打乱没有接收到按键的松开事件,所以就会一直处于按下的状态。
总结:组合键开发时,建议FW工程师来做组合键功能会更好,这样就不会打乱上层正常接收事件的逻辑。
frameworks/base/services/core/java/com/android/server/policy/PhoneWindowManager.java
//wangrui FN + CTRL key combination status flag
++ private boolean flag2 = false;
public long interceptKeyBeforeDispatching(IBinder focusedToken, KeyEvent event,
int policyFlags) {
//wangrui FN + Ctrl key combination status flag
++ if (down) {
++ if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
++ flag2 = true;
++ } else if (flag2) {
++ int keyValue = event.getKeyCode();
++ if (keyValue == KeyEvent.KEYCODE_CTRL_LEFT || keyCode == KeyEvent.KEYCODE_CTRL_RIGHT) {
++ Intent intent1=new Intent("xxx.allApp");
++ intent1.putExtra("COMPOSITION",1);
++ mContext.sendBroadcast(intent1);
++ return 0;
++ }
++ }
++ }else {
++ if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
++ flag2 = false;
++ }
++ }
}
packages/apps/Launcher3/src/com/android/launcher3/Launcher.java
// wangrui Receive "☰" key broadcast, realize pop-up application and return to homepage
private final BroadcastReceiver myReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
android.app.ActivityManager am = (android.app.ActivityManager) getSystemService(ACTIVITY_SERVICE);
android.content.ComponentName cn = am.getRunningTasks(1).get(0).topActivity;
if ("AllApps".equals(getStateManager().getState().toString()) || (!"com.android.launcher3".equals(cn.getPackageName()))){
intent= new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
startActivity(intent);
}else{
+ //wangrui If it is a combination key, nothing will be done
+ if (!(1==intent.getIntExtra("COMPOSITION",0)))
+ getStateManager().goToState(ALL_APPS);
+ }
+ }
};
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