問題描述
我有一個
但它看起來像這樣:
您可以看到當前陰影模糊并逐漸消失.我想要一個堅實的、不透明的陰影.但是怎么做呢?
我當前的代碼是:
我嘗試了其他帖子中的所有技巧、技巧和竅門，例如
I have a TextView in my Activity to which I want to add a shadow. It is supposed to look like in OsmAnd (100% opaque):
But it looks like this:
You can see that the current shadow is blurred and fades away. I want a solid, opaque shadow. But how?
My current code is:
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/speedTextView"
android:text="25 km/h"
android:textSize="24sp"
android:textStyle="bold"
android:textColor="#000000"
android:shadowColor="#ffffff"
android:shadowDx="0"
android:shadowDy="0"
android:shadowRadius="6"
/>
I tried all the hacks, tips and tricks in the other posts like here, here and here.
None of them works that great or looks so good.
Now this is how you really do it (found in the Source of the OsmAnd app):
You use a FrameLayout (which has the characteristic of laying its components over each other) and put 2 TextViews inside at the same position.
MainActivity.xml:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:background="#445566">
<FrameLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:layout_weight="1">
<TextView
android:id="@+id/textViewShadowId"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:textSize="36sp"
android:text="123 ABC"
android:textColor="#ffffff" />
<TextView
android:id="@+id/textViewId"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="top"
android:textSize="36sp"
android:text="123 ABC"
android:textColor="#000000" />
</FrameLayout>
</LinearLayout>
And in the onCreate method of your activity you set the stroke width of the shadow TextView and change it from FILL to STROKE:
import android.graphics.Paint;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//here comes the magic
TextView textViewShadow = (TextView) findViewById(R.id.textViewShadowId);
textViewShadow.getPaint().setStrokeWidth(5);
textViewShadow.getPaint().setStyle(Paint.Style.STROKE);
}
}
The result looks like this:
這篇關于添加不透明的“陰影"(大綱)到 Android TextView的文章就介紹到這了，希望我們推薦的答案對大家有所幫助，也希望大家多多支持html5模板網！