Make showing key preview compatible with pre-Honeycomb (37cfacba) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/keyboard/KeyboardView.java

+13 −6

Original line number	Diff line number	Diff line
		@@ -47,6 +47,7 @@ import android.view.MotionEvent;
		import android.view.View;
		import android.view.ViewGroup;
		import android.widget.FrameLayout;
		import android.widget.LinearLayout;
		import android.widget.PopupWindow;
		import android.widget.TextView;

		@@ -908,10 +909,18 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
		if (mPreviewText.getParent() == null) {
		final FrameLayout screenContent = (FrameLayout) getRootView()
		.findViewById(android.R.id.content);
		if (android.os.Build.VERSION.SDK_INT >= /* HONEYCOMB */ 11) {
		screenContent.addView(mPreviewText, new FrameLayout.LayoutParams(0, 0));
		} else {
		// Insert LinearLayout to be able to setMargin because pre-Honeycomb FrameLayout
		// could not handle setMargin properly.
		final LinearLayout placer = new LinearLayout(getContext());
		screenContent.addView(placer);
		placer.addView(mPreviewText, new LinearLayout.LayoutParams(0, 0));
		}
		}

		Key key = tracker.getKey(keyIndex);
		final Key key = tracker.getKey(keyIndex);
		// If keyIndex is invalid or IME is already closed, we must not show key preview.
		// Trying to show preview PopupWindow while root window is closed causes
		// WindowManager.BadTokenException.
		@@ -943,10 +952,8 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
		+ mPreviewText.getPaddingLeft() + mPreviewText.getPaddingRight());
		final int popupHeight = mPreviewHeight;
		final ViewGroup.LayoutParams lp = mPreviewText.getLayoutParams();
		if (lp != null) {
		lp.width = popupWidth;
		lp.height = popupHeight;
		}

		int popupPreviewX = keyDrawX - (popupWidth - keyDrawWidth) / 2;
		int popupPreviewY = key.mY - popupHeight + mPreviewOffset;