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app/internal/window: [Android] unregister focus listener on destroy

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Updates github.com/tailscale/tailscale/issues/431

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2020-06-11 15:39:33 +02:00
parent 5fe3785bbd
commit 6d5fbcba3f
1 changed files with 9 additions and 6 deletions
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app/internal/window/GioView.java
+9 -6
View File
@@ -39,7 +39,8 @@ public final class GioView extends SurfaceView implements Choreographer.FrameCal
private final static Object initLock = new Object();
private static boolean jniLoaded;
private final SurfaceHolder.Callback callbacks;
private final SurfaceHolder.Callback surfCallbacks;
private final View.OnFocusChangeListener focusCallback;
private final InputMethodManager imm;
private final Handler handler;
private long nhandle;
@@ -59,12 +60,13 @@ public final class GioView extends SurfaceView implements Choreographer.FrameCal
imm = (InputMethodManager)context.getSystemService(Context.INPUT_METHOD_SERVICE);
setFocusable(true);
setFocusableInTouchMode(true);
setOnFocusChangeListener(new View.OnFocusChangeListener() {
focusCallback = new View.OnFocusChangeListener() {
@Override public void onFocusChange(View v, boolean focus) {
GioView.this.onFocusChange(nhandle, focus);
}
});
callbacks = new SurfaceHolder.Callback() {
};
setOnFocusChangeListener(focusCallback);
surfCallbacks = new SurfaceHolder.Callback() {
@Override public void surfaceCreated(SurfaceHolder holder) {
// Ignore; surfaceChanged is guaranteed to be called immediately after this.
}
@@ -75,7 +77,7 @@ public final class GioView extends SurfaceView implements Choreographer.FrameCal
onSurfaceDestroyed(nhandle);
}
};
getHolder().addCallback(callbacks);
getHolder().addCallback(surfCallbacks);
}
@Override public boolean onKeyDown(int keyCode, KeyEvent event) {
@@ -176,7 +178,8 @@ public final class GioView extends SurfaceView implements Choreographer.FrameCal
}
void destroy() {
getHolder().removeCallback(callbacks);
setOnFocusChangeListener(null);
getHolder().removeCallback(surfCallbacks);
onDestroyView(nhandle);
nhandle = 0;
}