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Android: fix text layout npe

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王劲鹏 2021-07-27 13:52:36 +08:00 committed by osborn
parent a1c67e2b48
commit 224ec7e761
1 changed files with 13 additions and 2 deletions
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15
doric-android/doric/src/main/java/pub/doric/shader/TextNode.java
View File

@ -27,6 +27,7 @@ import android.text.Layout;
import android.text.TextUtils;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.ViewTreeObserver;
import android.widget.TextView;
import androidx.core.content.res.ResourcesCompat;
@ -95,9 +96,11 @@ public class TextNode extends ViewNode<TextView> {
if (prop.isNumber()) {
view.setTextColor(prop.asNumber().toInt());
} else if (prop.isObject()) {
view.post(new Runnable() {
view.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
@Override
public void run() {
public boolean onPreDraw() {
view.getViewTreeObserver().removeOnPreDrawListener(this);
final JSObject dict = prop.asObject();
int[] colors = null;
@ -164,8 +167,11 @@ public class TextNode extends ViewNode<TextView> {
}
setGradientTextColor(view, angle, colors, locations);
return true;
}
});
view.invalidate();
}
break;
case "textAlignment":
@ -321,6 +327,11 @@ public class TextNode extends ViewNode<TextView> {
final Rect textBound = new Rect(Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MIN_VALUE, Integer.MIN_VALUE);
final Layout layout = textView.getLayout();
if (layout == null) {
return;
}
for (int i = 0; i < textView.getLineCount(); i++) {
float left = layout.getLineLeft(i);
float right = layout.getLineRight(i);