改变shape里面的值

1
2
3
4
5
6
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">

<solid android:color="#FF4081"/>
<corners android:radius="15dp"/>
</shape>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="forezp.com.changesolidcolorfromshape.MainActivity">

<TextView
android:id="@+id/tv"
android:background="@drawable/button"
android:layout_width="wrap_content"
android:textSize="14sp"
android:padding="10dp"
android:textColor="#ffffff"
android:layout_height="wrap_content"
android:text="Hello World!" />
</RelativeLayout>

1
2
3
4
5
6
7
8
9
10
11
12
public class MainActivity extends AppCompatActivity {
//http://stackoverflow.com/questions/16775891/how-to-change-solid-color-from-the-code
private TextView tv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv=(TextView)findViewById(R.id.tv);
GradientDrawable myGrad = (GradientDrawable)tv.getBackground();
myGrad.setColor(Color.BLACK);
}
}
请我吃🍗