Hi Robert,
I got some problem using your method to switch views. The code is as
following.
My problem is: when the main screen of emulator is set to view1 and I
press key, the MyView1.onKeyDown() will be called.
But 10s later, when the view2 is set and I press key, the
MyView2.onKeyDown() will NOT be called.
Unless I click on the main screen of emulator, then MyView2.onKeyDown
() will start to respond key press.
Even though, the first key press will NOT be correctly handled.
WARN/KeyCharacterMap(670): No keyboard for id 0
WARN/KeyCharacterMap(670): Using default keymap: /system/usr/keychars/
qwerty.kcm.bin -- the 1st key press is not correctly handled.
11-30 10:04:19.951: INFO/System.out(670): enter onKeyDown() in
MyView2! -- keyCode: 20
So any idea why this issue happens?
Thanks!
=============================
MyActivity:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
view1 = new MyView1(this);
view1.setFocusable(true);
setContentView(view1);
Timer timer = new Timer();
timer.schedule(new TimerTask() {
public void run() {
mHandler.post(mUpdateResults);
}}, 10000);
}
View view1, view2;
final Handler mHandler = new Handler();
final Runnable mUpdateResults = new Runnable() {
public void run() {
updateUi();
}
};
public void updateUi() {
view2 = new MyView2(this);
view2.setFocusable(true);
setContentView(view2);
}
=================
public class MyView1 extends View {
public MyView1(Context context) {
super(context);
}
@Override
protected void onDraw(android.graphics.Canvas canvas) {
canvas.drawColor(Color.BLUE);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent msg) {
System.out.println("enter onKeyDown() in MyView1! -- keyCode:
" + keyCode);
return true;
}
}
================
public class MyView2 extends View {
public MyView2(Context context) {
super(context);
}
@Override
protected void onDraw(android.graphics.Canvas canvas) {
canvas.drawColor(Color.WHITE);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent msg) {
System.out.println("enter onKeyDown() in MyView2! -- keyCode:
" + keyCode);
return true;
}
}
===========================
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