How to make TextView shape circle and set different background color based on condition

后端 未结 5 1126
死守一世寂寞
死守一世寂寞 2020-12-08 08:09

I have a TextView, what I want is to make the TextView shape circle and then set different background colors based on different conditions I have u

相关标签:
5条回答
  • 2020-12-08 08:20

    If you have a relatively small amout of colors, you can create a drawable file for each color, for example create a file bg_red.xml:

    <?xml version="1.0" encoding="utf-8"?>
    <item xmlns:android="http://schemas.android.com/apk/res/android">
      <shape>
          <solid android:color="#f00" />
          <corners
              android:topLeftRadius="30dp"
              android:topRightRadius="30dp"
              android:bottomLeftRadius="30dp"
              android:bottomRightRadius="30dp"
              />
      </shape>
    </item>
    

    Then assign define the TextView:

    <TextView 
        android:id="@+id/tv"
        android:layout_height="60dp"
        android:layout_width="60dp" 
        android:text="X" 
        android:textColor="#fff"
        android:textSize="20sp"
        android:background="@drawable/bg_red"
        android:gravity="center_vertical|center_horizontal" 
        />
    

    Note that the width is twice the radius of the background corner radius.

    To change the color from code:

    TextView v = (TextView) findViewById(R.id.my_text_view);
    v.setBackgroundResource(R.drawable.bg_blue);
    
    0 讨论(0)
  • 2020-12-08 08:21
    TextView textView = (TextView) findViewById(R.id.my_text_view);             
    Drawable drawable = textView.getBackground();
    drawable.setColorFilter(getResources().getColor(color), PorterDuff.Mode.SRC_IN);
    

    works for me

    0 讨论(0)
  • 2020-12-08 08:22

    You can also achieve this by setting color to background drawable like this

    TextView textView = (TextView) findViewById(R.id.my_text_view);
    ((GradientDrawable)textView.getBackground()).setColor(R.color.my_color);
    
    0 讨论(0)
  • 2020-12-08 08:28

    To add up to the accepted answer, adding size tag inside shape and making sure height and width is large enough will make sure the background is circle even if textView has many characters!

    <shape>
     <solid android:color="#f00" />
     <corners
        android:topLeftRadius="30dp"
       android:topRightRadius="30dp"
         android:bottomLeftRadius="30dp"
         android:bottomRightRadius="30dp"
         />
     <size 
      android:height="25dp"
       android:width="25dp"/>
    </shape>
    
    0 讨论(0)
  • 2020-12-08 08:31

    Add circular_hired.xml file into your drawable,

      <?xml version="1.0" encoding="utf-8"?>
        <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval" >
    
    
                <solid android:color="@color/map_hide_bg"/>
                <stroke android:width="1dip" android:color="@color/map_hide_bg" />
    
        </shape>
    

    but in you layout design xml file , you have to fix the width and height of textview. it will give the circular form.

    <TextView
                android:id="@+id/tvMessages"
                android:layout_width="20dp"
                android:layout_height="20dp"
                android:layout_alignParentRight="true"
                android:layout_centerVertical="true"
                android:gravity="center"
                android:background="@drawable/circular_message"
                android:padding="4dp"
                android:text="5"
                android:textColor="@color/white_color"
                android:textSize="@dimen/txt12"
                android:visibility="visible"
                 />
    

    i sure it will help you,

    0 讨论(0)
提交回复
热议问题