Images with rounded corners in a ListView - android

I have developed an rss application. I want the ListView which contains the titles and images to have the images with rounded corners. I have taken a sample code online, but the problem is that the images are still rectangular. The weird part is that I have a sliding menu, when toggled it pushes the rss ListView away, while it's being pushed the images have round corners! when they stop their pushing animation the become rectangular again. It's a pretty weird problem for me so any help?
Rounded Image class:
public class RoundedImageView extends ImageView
{
private float radius = 20.0f;
public RoundedImageView(Context context)
{
super(context);
}
public RoundedImageView(Context context,AttributeSet attrs)
{
super(context,attrs);
}
public RoundedImageView(Context context,AttributeSet attrs,int defStyle)
{
super(context,attrs,defStyle);
}
#SuppressLint("DrawAllocation")
#Override
protected void onDraw(Canvas canvas)
{
Path clipPath = new Path();
RectF rect = new RectF(0,0,getWidth(), getHeight());
clipPath.addRoundRect(rect, radius, radius, Path.Direction.CW);
canvas.clipPath(clipPath);
super.onDraw(canvas);
}
}

Try this way: create rounded_corner.xml file into drawable\rounded_corner.xml
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" >
<solid android:color="#101010" />
<stroke
android:width="1dp"
android:color="#808080" />
<corners android:radius="15dp" />
And set as Background to your ImageView like
android:background="#drawable\rounded_corner"
And also set your RSS image to ImageView as a Src or a Bitmap like:
imageview.setBitmap(yourrssimage);

use rounded corner image or create xml and set as background image on imageview.

Create one XML like below in your drawable folder.
button_back.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_enabled="false"
android:drawable="#color/grey">
<shape>
<solid
android:color="#ef4444" />
<stroke
android:width="1dp"
android:color="#992f2f" />
<corners
android:radius="16dp" />
</shape>
</item>
and then apply to your button like this.
<Button
android:text="#string/press_me"
android:layout_margin="12dp"
android:layout_width="fill_parent"
android:layout_height="30dp"
android:background="#drawable/button_back"
/>

Create a stroke and list it as your imageview background
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#android:color/transparent"/>
<stroke android:width="5dip" android:color="#android:color/transparent" />
<corners android:radius="5dip"/>
<padding android:left="0dip" android:top="0dip" android:right="0dip" android:bottom="0dip" />
</shape>
And in your imageview xml
android:background="#drawable/your_stroke_xml"

Related

Round button without corners in Android [duplicate]

MOCK UP
Requirement
I want to put custom button with selector.
Mock up is given above.
If anyone knows solution then share it.
Thank you.
basically you will need to create some new XML files and apply them to your Button element. As i can see from the mockup you will need a stroke and the background color with some shading effect applied, you can research more into the shading thing but the background color and the stroke is pretty straight forward.
Here is an example, done_rounded_btn.xml:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:state_enabled="true"
android:drawable="#drawable/zzzzzzzzz_btn_orange" />
<item
android:state_focused="true"
android:state_enabled="true"
android:drawable="#drawable/zzzzzzzzz_btn_orange" />
<item
android:state_focused="false"
android:state_enabled="false"
android:drawable="#drawable/zzzzzzzzz_btn_inactiv" />
<item android:drawable="#drawable/zzzzzzzzz_btn_black"/>
</selector>
for the selection part and then you create the custom drawables corresponding to the mockup.
An example, zzzzzzzzzz_btn_orange:
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" >
<solid
android:color="#color/done_color">
</solid>
<corners
android:bottomLeftRadius="3dp"
android:bottomRightRadius="3dp"
android:topLeftRadius="3dp"
android:topRightRadius="3dp" />
</shape>
And then add it to your button as background, main.xml:
<Button
android:id="#+id/registers_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginBottom="10dp"
android:layout_marginLeft="15dp"
android:layout_marginTop="10dp"
android:background="#drawable/done_rounded_btn"
android:text="#string/done_txt"
android:textColor="#color/white"
android:textSize="15sp" />
Hope this helps!
You can use this instead of standard Button and set selector as background in xml:
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.Button;
/**
* Custom Shape Button which ignores touches on transparent background.
*/
public class ButtonWithUntouchableTransparentBg extends Button {
public ButtonWithUntouchableTransparentBg(Context context) {
this(context, null);
}
public ButtonWithUntouchableTransparentBg(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public ButtonWithUntouchableTransparentBg(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setDrawingCacheEnabled(true);
}
#Override
public boolean onTouchEvent(MotionEvent event) {
int x = (int) event.getX();
int y = (int) event.getY();
// ignores touches on transparent background
if (isPixelTransparent(x, y))
return true;
else
return super.onTouchEvent(event);
}
/**
* #return true if pixel from (x,y) is transparent
*/
private boolean isPixelTransparent(int x, int y) {
Bitmap bmp = Bitmap.createBitmap(getDrawingCache());
int color = Color.TRANSPARENT;
try {
color = bmp.getPixel(x, y);
} catch (IllegalArgumentException e) {
// x or y exceed the bitmap's bounds.
// Reverts the View's internal state from a previously set "pressed" state.
setPressed(false);
}
// Ignores touches on transparent background.
if (color == Color.TRANSPARENT)
return true;
else
return false;
}
}
You can also create a shape that is using a selector inside. If your shape is just changing its color in different states, this is a lot cleaner.
color/color_selector.xml
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:color="#color/blue_dark" android:state_pressed="true" />
<item android:color="#color/blue_light" />
</selector>
drawable/shape.xml
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#color/color_selector" />
<corners android:bottomLeftRadius="6dip" android:bottomRightRadius="6dp" />
<padding android:bottom="0dip" android:left="0dip" android:right="0dip" android:top="0dip" />
</shape>
Button with rounded corners with two states (enabled/disabled):
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_enabled="true">
<shape android:shape="rectangle">
<corners android:radius="28dp" />
<solid android:color="#color/white" />
<stroke android:width="1dp" android:color="#color/orange" />
</shape>
</item>
<item android:state_enabled="false">
<shape android:shape="rectangle">
<corners android:radius="28dp" />
<solid android:color="#color/grey_card_background" />
<stroke android:width="1dp" android:color="#color/grey" />
</shape>
</item>
</selector>
inside your item put the shape in the selector XML
EX FROM MY CODE :
<!-- if pressed -->
<item android:state_pressed="true"><shape android:padding="10dp" android:shape="rectangle">
<solid android:color="#color/blue" />
<corners android:bottomLeftRadius="10dp" android:bottomRightRadius="10dp" android:topLeftRadius="10dp" android:topRightRadius="10dp" />
</shape></item>
<!-- if not pressed -->
<item><shape android:padding="10dp" android:shape="rectangle">
<solid android:color="#color/Purbble" />
<corners android:bottomLeftRadius="10dp" android:bottomRightRadius="10dp" android:topLeftRadius="10dp" android:topRightRadius="10dp" />
</shape></item>

How to add shadow around circular imageview

I want to add shadow around circular imageView.
Here is my code.
I want to make like this image
This is my .xml file
check this image.
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<RelativeLayout
android:id="#+id/layoutTop"
android:layout_width="match_parent"
android:layout_height="200dp"
android:background="#355482" >
</RelativeLayout>
<RelativeLayout
android:id="#+id/layoutBottom"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_alignParentBottom="true"
android:layout_below="#+id/layoutTop"
android:background="#drawable/loading" >
<TextView
android:id="#+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="113dp"
android:text="Profile"
android:textColor="#355482"
android:textSize="20dp"
android:textStyle="bold" />
</RelativeLayout>
<ImageView
android:id="#+id/overlapImage"
android:layout_width="150dp"
android:layout_height="150dp"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="132dp"
android:adjustViewBounds="true"
android:background="#drawable/round_image"
android:src="#drawable/ic_launcher" />
this is round_image.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<solid android:color="#ffffff" />
<corners android:radius="2dp"/>
<size
android:height="80dp"
android:width="80dp" />
<padding
android:bottom="0dp"
android:left="0dp"
android:right="0dp"
android:top="0dp" />
</shape>
I try some code for shadow effect but it's not working.
Hope this will help you:)
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="oval">
<solid android:color="#color/gray"/>
<!--shadow Color-->
</shape>
</item>
<item
android:left="0dp"
android:right="0dp"
android:top="0dp"
android:bottom="3dp">
<shape android:shape="oval">
<solid android:color="#color/lightgrey"/>//Background Color
</shape>
</item>
</layer-list>
Change the background Color and Shadow color as you want..
It is way simpler than you think. Your ImageView needs to appear rounded based on an oval background, as it is squared by default. Then you need to include elevation, and it will show as you expected. You cannot set the oval background transparent as it won't allow for
shadow elevation.
this is drawable/white_oval.xml:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="oval">
<solid android:color="#android:color/white"/>
</shape>
</item>
</layer-list>
Now in your imageview, I am skipping here how you include your image
<ImageView
android:id="#+id/alert_icon"
android:layout_width="#dimen/alert_icon"
android:layout_height="#dimen/alert_icon"
android:contentDescription="#string/your_shadow_rulez"
android:background="#drawable/white_oval"
android:elevation="#dimen/elevation_fab" />
of course make sure your image view both width and height match. The bigger the elevation the larger the shadow
see how simple and nice this looks
Create a circle_shadow.xml file and use this code it work good for me. Make changes the radius according to your requirement.
circle_shadow.xml
<!-- Drop Shadow -->
<item>
<shape android:shape="oval">
<padding
android:bottom="1dp"
android:left="1dp"
android:right="1dp"
android:top="1dp" />
<solid android:color="#00CCCCCC" />
<corners android:radius="3dp" />
</shape>
</item>
<item>
<shape android:shape="oval">
<padding
android:bottom="1dp"
android:left="1dp"
android:right="1dp"
android:top="1dp" />
<solid android:color="#10CCCCCC" />
<corners android:radius="3dp" />
</shape>
</item>
<item>
<shape android:shape="oval">
<padding
android:bottom="1dp"
android:left="1dp"
android:right="1dp"
android:top="1dp" />
<solid android:color="#20CCCCCC" />
<corners android:radius="3dp" />
</shape>
</item>
<item>
<shape android:shape="oval">
<padding
android:bottom="1dp"
android:left="1dp"
android:right="1dp"
android:top="1dp" />
<solid android:color="#30CCCCCC" />
<corners android:radius="3dp" />
</shape>
</item>
<item>
<shape android:shape="oval">
<padding
android:bottom="1dp"
android:left="1dp"
android:right="1dp"
android:top="1dp" />
<solid android:color="#50CCCCCC" />
<corners android:radius="3dp" />
</shape>
</item>
<!-- Background Color (white) -->
<item>
<shape android:shape="oval">
<solid android:color="#android:color/white" />
<corners android:radius="3dp" />
</shape>
</item>
Before answering I want to give some advice. You just have to put title of your question in Google. I tried to search like circular imageview with shadow android:
Without use of Library:
Change android:color="#BDBDBD" in shape tag.
Your round_image.xml will be like:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<solid android:color="#BDBDBD" />
<corners android:radius="2dp"/>
<size
android:height="80dp"
android:width="80dp" />
<padding
android:bottom="0dp"
android:left="0dp"
android:right="0dp"
android:top="0dp" />
</shape>
Using Library:
Have you tried this CircularImageView
You can use this library or if you don't want to use then get some code from this library inner res folder.
Thank you.
Here, I share my best practice to show a shadow effect to a circular image/resource with some details.
The above example image's icon is 56dp x 56dp and is cropped with a zoomed view so it may not look attractive but the results will show good on an actual device under the naked eye.
The above example is delivered by using:
Some amount of elevation, to let shadow.
Provide margin to the view almost double of elevation to fit the shadow.
Ensure the parent view provides the space almost double of elevation to fit the shadow.
Create and use an OutlineProvider to create the shadow.
Now here we begin with the code.
<FrameLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="#dimen/margin_14dp"> // Point no. 3
<androidx.appcompat.widget.AppCompatImageView
android:id="#+id/img"
android:layout_width="#dimen/margin_56dp"
android:layout_height="#dimen/margin_56dp"
android:layout_margin="#dimen/margin_14dp" // Point no. 2
android:elevation="#dimen/margin_8dp" // Point no. 1
android:src="#drawable/ic_bell" />
</FrameLayout>
Let's proceed to point no. 4, here is the OutlineProvider class for a Circular Outline.
import android.graphics.Outline;
import android.view.View;
import android.view.ViewOutlineProvider;
public class CircularOutlineProvider extends ViewOutlineProvider {
#Override
public void getOutline(View view, Outline outline) {
outline.setRoundRect(0, 0, view.getWidth(), view.getHeight(), (view.getWidth() / 2F));
}
}
We left to use the OutlineProvider in our Java/Kotlin class to do the magic at runtime.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
findViewById(R.id.img).setOutlineProvider(new CircularOutlineProvider());
End of Magic Session!
For more experience and enhance details, please read the official article.
Add this xml code in your drawable layout and add it in your background:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<layer-list>
<item>
<shape android:shape="oval">
<gradient
android:startColor="#FF000000"
android:endColor="#00000000"
android:gradientRadius="31dp"
android:type="radial"
/>
</shape>
</item>
<item android:top="4dp" android:left="4dp" android:right="4dp" android:bottom="4dp">
<shape android:shape="oval">
<size android:width="55dp"
android:height="55dp"/>
<solid android:color="#android:color/white" />
</shape>
</item>
</layer-list>
</item>
</selector>
This Class is Custom Circular Imageview with shadow, Stroke,saturation and using this Custom Circular ImageView you can make your image in Circular Shape with Radius. Guys for Circular Shadow ImageView No need Github this class is enough. Adding CircularImageView to your root layout dynamically.
*Adding Circular ImageView to your layout dynamically*
RelativeLayout rootLayout= (RelativeLayout) findViewById(R.id.rootLayout);
rootLayout.addView(new CircularImageView(this,200,200,imageBitmap));
public CircularImageView(Context context, int width, int height, Bitmap bitmap) {
super(context);
this.context = context;
this.width = width;
this.height = height;
------> here "bitmap" is the square shape(width* width) scaled bitmap ..
this.bitmap = bitmap;
paint = new Paint(Paint.ANTI_ALIAS_FLAG);
paint.setAntiAlias(true);
paint.setFilterBitmap(true);
paint.setDither(true);
paint3=new Paint();
paint3.setStyle(Paint.Style.STROKE);
paint3.setColor(Color.WHITE);
paint3.setAntiAlias(true);
paintBorder = new Paint();
imagePaint= new Paint();
paintBorder.setColor(Color.WHITE);
paintBorder.setAntiAlias(true);
this.setLayerType(LAYER_TYPE_SOFTWARE, paintBorder);
this.bitmap2 = Bitmap.createScaledBitmap(bitmap, (bitmap.getWidth() - 40), (bitmap.getHeight() - 40), true);
imagePaint.setAntiAlias(true);
invalidate();
}
#Override
protected void onDraw(Canvas canvas)
{
super.onDraw(canvas);
Shader b;
if (bitmap3 != null)
b = new BitmapShader(bitmap3, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
else
b = new BitmapShader(bitmap2, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
imagePaint.setShader(b);
canvas.drawBitmap(maskedBitmap(), 20, 20, null);
}
private Bitmap maskedBitmap()
{
Bitmap l1 = Bitmap.createBitmap(width,width, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(l1);
paintBorder.setShadowLayer(radius, x, y, Color.parseColor("#454645"));
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
final RectF rect = new RectF();
rect.set(20, 20, bitmap2.getWidth(), bitmap2.getHeight());
canvas.drawRoundRect(rect, corner_radius, corner_radius, paintBorder);
canvas.drawRoundRect(rect, corner_radius, corner_radius, imagePaint);
if (strokeWidth!=0.0f)
{
paint3.setStrokeWidth(strokeWidth);
canvas.drawRoundRect(rect, corner_radius, corner_radius, paint3);
}
paint.setXfermode(null);
return l1;
}
------> use seekbar here, here you have to pass "0 -- 250" here corner radius will change ..
public void setCornerRadius(int corner_radius)
{
this.corner_radius = corner_radius;
invalidate();
}
-------->use seekbar here, here you have to pass "0 -- 10.0f" here shadow radius will change
public void setShadow(float radius)
{
this.radius = radius;
invalidate();
}
----> use seekbar here, here you have to pass "0 -- 10.0f" here stroke size will change
public void setStroke(float stroke)
{
this.strokeWidth = stroke;
invalidate();
}
private Bitmap updateSat(Bitmap src, float settingSat)
{
int w = src.getWidth();
int h = src.getHeight();
Bitmap bitmapResult =
Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
Canvas canvasResult = new Canvas(bitmapResult);
Paint paint = new Paint();
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.setSaturation(settingSat);
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(colorMatrix);
paint.setColorFilter(filter);
canvasResult.drawBitmap(src, 0, 0, paint);
return bitmapResult;
}
--------> use seekbar here, here you have to pass "0 -- 2.0f" here saturation will change
public void setSaturation(float sat)
{
System.out.println("qqqqqqqqqq "+sat);
bitmap3=updateSat(bitmap2, sat);
invalidate();
}
}
--------> Seekbar to change radius
radius_seekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
#Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
{
text_radius.setText(""+progress);
circularImageView.setCornerRadius(progress);
}
#Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
#Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
});
// Seekbar to change shadow
shadow_seekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
#Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
{
float f= 4+progress/10.0f;
text_shadow.setText(""+progress);
circularImageView.setShadow(f);
}
#Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
#Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
});
// Seekbar to change saturation
saturation_seekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
#Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
{
int progressSat = saturation_seekbar.getProgress();
float sat = (float) ((progressSat*4 / 100.0f)-1.0f);
circularImageView.setSaturation(sat);
text_saturation.setText(""+progressSat);
}
#Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
#Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
});
// Seekbar to change stroke
stroke_seekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
#Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
{
if (progress==0)
{
float f=(progress*10.0f/100.0f);
circularImageView.setStroke(f);
}
else
{
float f=(progress*10.0f/100.0f);
circularImageView.setStroke(f);
}
text_stroke.setText(""+progress);
}
#Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
#Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
});
//radius seekbar in xml file
<SeekBar
android:layout_width="match_parent"
android:layout_gravity="center"
android:progress="50"
android:max="250"
android:id="#+id/radius_seekbar"
android:layout_height="wrap_content" />
//saturation seekbar in xml file
<SeekBar
android:layout_width="match_parent"
android:layout_gravity="center"
android:progress="50"
android:max="100"
android:id="#+id/saturation_seekbar"
android:layout_height="wrap_content" />
//shadow seekbar in xml file
<SeekBar
android:layout_width="match_parent"
android:layout_gravity="center"
android:progress="0"
android:max="100"
android:id="#+id/shadow_seekbar"
android:layout_height="wrap_content" />
//stroke seekbar in xml file
<SeekBar
android:layout_width="match_parent"
android:layout_gravity="center"
android:progress="0"
android:max="100"
android:id="#+id/stroke _seekbar"
android:layout_height="wrap_content" />

How to create parallelogram shape background?

I am trying to make parallelogram background for my textview but it is not displaying properly...it display following output
<layer-list >
<item>
<rotate
android:fromDegrees="10"
android:toDegrees="10"
android:pivotX="-40%"
android:pivotY="87%" >
<shape
android:shape="rectangle" >
<stroke android:color="#000000" android:width="10dp"/>
</shape>
</rotate>
</item>
</layer-list>
i need output like this........
As alternative to #mmlooloo's answer, whom a credit goes to, I suggest a xml-drawable solution (since you haven't emphasized exactly what kind of solution you're looking for). In the example below I used a general View, however you can use any other.
Here is the View
<View
android:layout_width="100dp"
android:layout_height="40dp"
android:layout_centerInParent="true"
android:background="#drawable/shape" />
and shape.xml itself
<?xml version="1.0" encoding="UTF-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<!-- Colored rectangle-->
<item>
<shape android:shape="rectangle">
<size
android:width="100dp"
android:height="40dp" />
<solid android:color="#13a89e" />
</shape>
</item>
<!-- This rectangle for the left side -->
<!-- Its color should be the same as layout's background -->
<item
android:right="100dp"
android:left="-100dp"
android:top="-100dp"
android:bottom="-100dp">
<rotate
android:fromDegrees="45">
<shape android:shape="rectangle">
<solid android:color="#ffffff" />
</shape>
</rotate>
</item>
<!-- This rectangle for the right side -->
<!-- Their color should be the same as layout's background -->
<item
android:right="-100dp"
android:left="100dp"
android:top="-100dp"
android:bottom="-100dp">
<rotate
android:fromDegrees="45">
<shape android:shape="rectangle">
<solid android:color="#ffffff" />
</shape>
</rotate>
</item>
</layer-list>
Here is how it looks like:
you can achieve it by creating custom Textview like this:
public class ParallogramTextView extends TextView {
Paint mBoarderPaint;
Paint mInnerPaint;
public ParallogramTextView(Context context) {
super(context);
init();
}
public ParallogramTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
public ParallogramTextView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
private void init() {
mBoarderPaint = new Paint();
mBoarderPaint.setAntiAlias(true);
mBoarderPaint.setColor(Color.BLACK);
mBoarderPaint.setStyle(Paint.Style.STROKE);
mBoarderPaint.setStrokeWidth(6);
mInnerPaint = new Paint();
mInnerPaint.setAntiAlias(true);
mInnerPaint.setColor(Color.parseColor("#13a89e"));
mInnerPaint.setStyle(Paint.Style.FILL);
mInnerPaint.setStrokeJoin(Paint.Join.ROUND);
}
#Override
public void draw(Canvas canvas) {
super.draw(canvas);
Path path = new Path();
path.moveTo(getWidth(),0);
path.lineTo(getWidth()/2, 0);
path.lineTo(0, getHeight());
path.lineTo(getWidth()/2,getHeight());
path.lineTo(getWidth(), 0);
canvas.drawPath(path, mInnerPaint);
canvas.drawPath(path, mBoarderPaint);
}
}
and in the layout file use it like below:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center">
<com.example.ParallogramTextView
android:id = "#+id/result"
android:layout_width="500dp"
android:layout_height="500dp"
android:layout_centerInParent="true"
android:gravity="center"
android:layout_margin="32dp" />
</RelativeLayout>
the result is:
<item
android:bottom="-25dp"
android:top="-25dp"
android:left="25dp"
android:right="25dp">
<rotate android:fromDegrees="20">
<shape android:shape="rectangle">
<size
android:width="50dp"
android:height="100dp"/>
<solid android:color="#13a8de"/>
</shape>
</rotate>
</item>
This one works on alle backgrounds not just white like in the example above
Are you referring to the navigation menu? If so, you can use this code to make a parallelogram:
ul#nav li a {
display: inline-block;
text-decoration:none;
padding:4px 10px;
border-radius:3px;
transform: skew(-10deg);
-o-transform: skew(-10deg);
-moz-transform: skew(-10deg);
-webkit-transform: skew(-10deg);
color:#000000;
}
ul#nav li a span {
display: inline-block;
transform: skew(10deg);
-o-transform: skew(10deg);
-moz-transform: skew(10deg);
-webkit-transform: skew(10deg);
}
You can also check the HTML and CSS version in codepen.
Hope this helps.

How to create custom shape button with selector in android?

MOCK UP
Requirement
I want to put custom button with selector.
Mock up is given above.
If anyone knows solution then share it.
Thank you.
basically you will need to create some new XML files and apply them to your Button element. As i can see from the mockup you will need a stroke and the background color with some shading effect applied, you can research more into the shading thing but the background color and the stroke is pretty straight forward.
Here is an example, done_rounded_btn.xml:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:state_enabled="true"
android:drawable="#drawable/zzzzzzzzz_btn_orange" />
<item
android:state_focused="true"
android:state_enabled="true"
android:drawable="#drawable/zzzzzzzzz_btn_orange" />
<item
android:state_focused="false"
android:state_enabled="false"
android:drawable="#drawable/zzzzzzzzz_btn_inactiv" />
<item android:drawable="#drawable/zzzzzzzzz_btn_black"/>
</selector>
for the selection part and then you create the custom drawables corresponding to the mockup.
An example, zzzzzzzzzz_btn_orange:
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" >
<solid
android:color="#color/done_color">
</solid>
<corners
android:bottomLeftRadius="3dp"
android:bottomRightRadius="3dp"
android:topLeftRadius="3dp"
android:topRightRadius="3dp" />
</shape>
And then add it to your button as background, main.xml:
<Button
android:id="#+id/registers_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginBottom="10dp"
android:layout_marginLeft="15dp"
android:layout_marginTop="10dp"
android:background="#drawable/done_rounded_btn"
android:text="#string/done_txt"
android:textColor="#color/white"
android:textSize="15sp" />
Hope this helps!
You can use this instead of standard Button and set selector as background in xml:
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.Button;
/**
* Custom Shape Button which ignores touches on transparent background.
*/
public class ButtonWithUntouchableTransparentBg extends Button {
public ButtonWithUntouchableTransparentBg(Context context) {
this(context, null);
}
public ButtonWithUntouchableTransparentBg(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public ButtonWithUntouchableTransparentBg(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setDrawingCacheEnabled(true);
}
#Override
public boolean onTouchEvent(MotionEvent event) {
int x = (int) event.getX();
int y = (int) event.getY();
// ignores touches on transparent background
if (isPixelTransparent(x, y))
return true;
else
return super.onTouchEvent(event);
}
/**
* #return true if pixel from (x,y) is transparent
*/
private boolean isPixelTransparent(int x, int y) {
Bitmap bmp = Bitmap.createBitmap(getDrawingCache());
int color = Color.TRANSPARENT;
try {
color = bmp.getPixel(x, y);
} catch (IllegalArgumentException e) {
// x or y exceed the bitmap's bounds.
// Reverts the View's internal state from a previously set "pressed" state.
setPressed(false);
}
// Ignores touches on transparent background.
if (color == Color.TRANSPARENT)
return true;
else
return false;
}
}
You can also create a shape that is using a selector inside. If your shape is just changing its color in different states, this is a lot cleaner.
color/color_selector.xml
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:color="#color/blue_dark" android:state_pressed="true" />
<item android:color="#color/blue_light" />
</selector>
drawable/shape.xml
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#color/color_selector" />
<corners android:bottomLeftRadius="6dip" android:bottomRightRadius="6dp" />
<padding android:bottom="0dip" android:left="0dip" android:right="0dip" android:top="0dip" />
</shape>
Button with rounded corners with two states (enabled/disabled):
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_enabled="true">
<shape android:shape="rectangle">
<corners android:radius="28dp" />
<solid android:color="#color/white" />
<stroke android:width="1dp" android:color="#color/orange" />
</shape>
</item>
<item android:state_enabled="false">
<shape android:shape="rectangle">
<corners android:radius="28dp" />
<solid android:color="#color/grey_card_background" />
<stroke android:width="1dp" android:color="#color/grey" />
</shape>
</item>
</selector>
inside your item put the shape in the selector XML
EX FROM MY CODE :
<!-- if pressed -->
<item android:state_pressed="true"><shape android:padding="10dp" android:shape="rectangle">
<solid android:color="#color/blue" />
<corners android:bottomLeftRadius="10dp" android:bottomRightRadius="10dp" android:topLeftRadius="10dp" android:topRightRadius="10dp" />
</shape></item>
<!-- if not pressed -->
<item><shape android:padding="10dp" android:shape="rectangle">
<solid android:color="#color/Purbble" />
<corners android:bottomLeftRadius="10dp" android:bottomRightRadius="10dp" android:topLeftRadius="10dp" android:topRightRadius="10dp" />
</shape></item>

How to show shadow around the linearlayout in Android?

How can I show shadow for my linear layout. I want white colored rounded background with shadow around the linearlayout. I have done this so far.
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:background="#xml/rounded_rect_shape"
android:orientation="vertical"
android:padding="10dp">
<-- My buttons, textviews, Imageviews go here -->
</LinearLayout>
And rounded_rect_shape.xml under xml directory
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" >
<solid android:color="#ffffff" />
<corners
android:bottomLeftRadius="3dp"
android:bottomRightRadius="3dp"
android:topLeftRadius="3dp"
android:topRightRadius="3dp" />
</shape>
There is also another solution to the problem by implementing a layer-list that will act as the background for the LinearLayoout.
Add background_with_shadow.xml file to res/drawable. Containing:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item >
<shape
android:shape="rectangle">
<solid android:color="#android:color/darker_gray" />
<corners android:radius="5dp"/>
</shape>
</item>
<item android:right="1dp" android:left="1dp" android:bottom="2dp">
<shape
android:shape="rectangle">
<solid android:color="#android:color/white"/>
<corners android:radius="5dp"/>
</shape>
</item>
</layer-list>
Then add the the layer-list as background in your LinearLayout.
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/background_with_shadow"/>
Well, this is easy to achieve .
Just build a GradientDrawable that comes from black and goes to a transparent color, than use parent relationship to place your shape close to the View that you want to have a shadow, then you just have to give any values to height or width .
Here is an example, this file have to be created inside res/drawable , I name it as shadow.xml :
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<gradient
android:startColor="#9444"
android:endColor="#0000"
android:type="linear"
android:angle="90"> <!-- Change this value to have the correct shadow angle, must be multiple from 45 -->
</gradient>
</shape>
Place the following code above from a LinearLayout , for example, set the android:layout_width and android:layout_height to fill_parent and 2.3dp, you'll have a nice shadow effect on your LinearLayout .
<View
android:id="#+id/shadow"
android:layout_width="fill_parent"
android:layout_height="2.3dp"
android:layout_above="#+id/id_from_your_LinearLayout"
android:background="#drawable/shadow">
</View>
Note 1: If you increase android:layout_height more shadow will be shown .
Note 2: Use android:layout_above="#+id/id_from_your_LinearLayout" attribute if you are placing this code inside a RelativeLayout, otherwise ignore it.
Hope it help someone.
There is no such attribute in Android, to show a shadow. But possible ways to do it are:
Add a plain LinearLayout with grey color, over which add your actual layout, with margin at bottom and right equal to 1 or 2 dp
Have a 9-patch image with a shadow and set it as the background to your Linear layout
For lollipop and above you can use elevation.
For older versions:
Here is a lazy hack from:
http://odedhb.blogspot.com/2013/05/android-layout-shadow-without-9-patch.html
(toast_frame does not work on KitKat, shadow was removed from toasts)
just use:
android:background="#android:drawable/toast_frame"
or:
android:background="#android:drawable/dialog_frame"
as a background
examples:
<TextView
android:layout_width="fill_parent"
android:text="I am a simple textview with a shadow"
android:layout_height="wrap_content"
android:textSize="18sp"
android:padding="16dp"
android:textColor="#fff"
android:background="#android:drawable/toast_frame"
/>
and with different bg color:
<LinearLayout
android:layout_height="64dp"
android:layout_width="fill_parent"
android:gravity="center"
android:background="#android:drawable/toast_frame"
android:padding="4dp"
>
<Button
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:text="Button shadow"
android:background="#33b5e5"
android:textSize="24sp"
android:textStyle="bold"
android:textColor="#fff"
android:layout_gravity="center|bottom"
/>
</LinearLayout>
Try this.. layout_shadow.xml
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="#CABBBBBB"/>
<corners android:radius="2dp" />
</shape>
</item>
<item
android:left="0dp"
android:right="0dp"
android:top="0dp"
android:bottom="2dp">
<shape android:shape="rectangle">
<solid android:color="#android:color/white"/>
<corners android:radius="2dp" />
</shape>
</item>
</layer-list>
Apply to your layout like this
android:background="#drawable/layout_shadow"
I know this is old, but most of these answers require a ton of extra code.
If you have a light colored background, you can simply use this:
android:elevation="25dp"
Actually I agree with #odedbreiner but I put the dialog_frame inside the first layer and hide the black background under the white layer.
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:drawable="#android:drawable/dialog_frame"
android:right="2dp" android:left="2dp" android:bottom="2dp" android:top="5dp" >
<shape android:shape="rectangle">
<corners android:radius="5dp"/>
</shape>
</item>
<item>
<shape
android:shape="rectangle">
<solid android:color="#android:color/white"/>
<corners android:radius="5dp"/>
</shape>
</item>
</layer-list>
save this 9.png. (change name it to 9.png)
2.save it in your drawable.
3.set it to your layout.
4.set padding.
For example :
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#drawable/shadow"
android:paddingBottom="6dp"
android:paddingLeft="5dp"
android:paddingRight="5dp"
android:paddingTop="6dp"
>
.
.
.
</LinearLayout>
Create a new XML by example named "shadow.xml" at DRAWABLE with the following code (you can modify it or find another better):
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="#color/middle_grey"/>
</shape>
</item>
<item android:left="2dp"
android:right="2dp"
android:bottom="2dp">
<shape android:shape="rectangle">
<solid android:color="#color/white"/>
</shape>
</item>
</layer-list>
After creating the XML in the LinearLayout or another Widget you want to create shade, you use the BACKGROUND property to see the efect. It would be something like :
<LinearLayout
android:orientation="horizontal"
android:layout_height="wrap_content"
android:layout_width="match_parent"
android:paddingRight="#dimen/margin_med"
android:background="#drawable/shadow"
android:minHeight="?attr/actionBarSize"
android:gravity="center_vertical">
You can use following class for xml tag:
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BlurMaskFilter;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.Rect;
import android.os.Build;
import android.support.annotation.FloatRange;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.widget.FrameLayout;
import com.webappmate.weeassure.R;
/**
* Created by GIGAMOLE on 13.04.2016.
*/
public class ShadowLayout extends FrameLayout {
// Default shadow values
private final static float DEFAULT_SHADOW_RADIUS = 30.0F;
private final static float DEFAULT_SHADOW_DISTANCE = 15.0F;
private final static float DEFAULT_SHADOW_ANGLE = 45.0F;
private final static int DEFAULT_SHADOW_COLOR = Color.DKGRAY;
// Shadow bounds values
private final static int MAX_ALPHA = 255;
private final static float MAX_ANGLE = 360.0F;
private final static float MIN_RADIUS = 0.1F;
private final static float MIN_ANGLE = 0.0F;
// Shadow paint
private final Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG) {
{
setDither(true);
setFilterBitmap(true);
}
};
// Shadow bitmap and canvas
private Bitmap mBitmap;
private final Canvas mCanvas = new Canvas();
// View bounds
private final Rect mBounds = new Rect();
// Check whether need to redraw shadow
private boolean mInvalidateShadow = true;
// Detect if shadow is visible
private boolean mIsShadowed;
// Shadow variables
private int mShadowColor;
private int mShadowAlpha;
private float mShadowRadius;
private float mShadowDistance;
private float mShadowAngle;
private float mShadowDx;
private float mShadowDy;
public ShadowLayout(final Context context) {
this(context, null);
}
public ShadowLayout(final Context context, final AttributeSet attrs) {
this(context, attrs, 0);
}
public ShadowLayout(final Context context, final AttributeSet attrs, final int defStyleAttr) {
super(context, attrs, defStyleAttr);
setWillNotDraw(false);
setLayerType(LAYER_TYPE_HARDWARE, mPaint);
// Retrieve attributes from xml
final TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.ShadowLayout);
try {
setIsShadowed(typedArray.getBoolean(R.styleable.ShadowLayout_sl_shadowed, true));
setShadowRadius(
typedArray.getDimension(
R.styleable.ShadowLayout_sl_shadow_radius, DEFAULT_SHADOW_RADIUS
)
);
setShadowDistance(
typedArray.getDimension(
R.styleable.ShadowLayout_sl_shadow_distance, DEFAULT_SHADOW_DISTANCE
)
);
setShadowAngle(
typedArray.getInteger(
R.styleable.ShadowLayout_sl_shadow_angle, (int) DEFAULT_SHADOW_ANGLE
)
);
setShadowColor(
typedArray.getColor(
R.styleable.ShadowLayout_sl_shadow_color, DEFAULT_SHADOW_COLOR
)
);
} finally {
typedArray.recycle();
}
}
#Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
// Clear shadow bitmap
if (mBitmap != null) {
mBitmap.recycle();
mBitmap = null;
}
}
public boolean isShadowed() {
return mIsShadowed;
}
public void setIsShadowed(final boolean isShadowed) {
mIsShadowed = isShadowed;
postInvalidate();
}
public float getShadowDistance() {
return mShadowDistance;
}
public void setShadowDistance(final float shadowDistance) {
mShadowDistance = shadowDistance;
resetShadow();
}
public float getShadowAngle() {
return mShadowAngle;
}
#SuppressLint("SupportAnnotationUsage")
#FloatRange
public void setShadowAngle(#FloatRange(from = MIN_ANGLE, to = MAX_ANGLE) final float shadowAngle) {
mShadowAngle = Math.max(MIN_ANGLE, Math.min(shadowAngle, MAX_ANGLE));
resetShadow();
}
public float getShadowRadius() {
return mShadowRadius;
}
public void setShadowRadius(final float shadowRadius) {
mShadowRadius = Math.max(MIN_RADIUS, shadowRadius);
if (isInEditMode()) return;
// Set blur filter to paint
mPaint.setMaskFilter(new BlurMaskFilter(mShadowRadius, BlurMaskFilter.Blur.NORMAL));
resetShadow();
}
public int getShadowColor() {
return mShadowColor;
}
public void setShadowColor(final int shadowColor) {
mShadowColor = shadowColor;
mShadowAlpha = Color.alpha(shadowColor);
resetShadow();
}
public float getShadowDx() {
return mShadowDx;
}
public float getShadowDy() {
return mShadowDy;
}
// Reset shadow layer
private void resetShadow() {
// Detect shadow axis offset
mShadowDx = (float) ((mShadowDistance) * Math.cos(mShadowAngle / 180.0F * Math.PI));
mShadowDy = (float) ((mShadowDistance) * Math.sin(mShadowAngle / 180.0F * Math.PI));
// Set padding for shadow bitmap
final int padding = (int) (mShadowDistance + mShadowRadius);
setPadding(padding, padding, padding, padding);
requestLayout();
}
private int adjustShadowAlpha(final boolean adjust) {
return Color.argb(
adjust ? MAX_ALPHA : mShadowAlpha,
Color.red(mShadowColor),
Color.green(mShadowColor),
Color.blue(mShadowColor)
);
}
#Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
// Set ShadowLayout bounds
mBounds.set(
0, 0, MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.getSize(heightMeasureSpec)
);
}
#Override
public void requestLayout() {
// Redraw shadow
mInvalidateShadow = true;
super.requestLayout();
}
#Override
protected void dispatchDraw(final Canvas canvas) {
// If is not shadowed, skip
if (mIsShadowed) {
// If need to redraw shadow
if (mInvalidateShadow) {
// If bounds is zero
if (mBounds.width() != 0 && mBounds.height() != 0) {
// Reset bitmap to bounds
mBitmap = Bitmap.createBitmap(
mBounds.width(), mBounds.height(), Bitmap.Config.ARGB_8888
);
// Canvas reset
mCanvas.setBitmap(mBitmap);
// We just redraw
mInvalidateShadow = false;
// Main feature of this lib. We create the local copy of all content, so now
// we can draw bitmap as a bottom layer of natural canvas.
// We draw shadow like blur effect on bitmap, cause of setShadowLayer() method of
// paint does`t draw shadow, it draw another copy of bitmap
super.dispatchDraw(mCanvas);
// Get the alpha bounds of bitmap
final Bitmap extractedAlpha = mBitmap.extractAlpha();
// Clear past content content to draw shadow
mCanvas.drawColor(0, PorterDuff.Mode.CLEAR);
// Draw extracted alpha bounds of our local canvas
mPaint.setColor(adjustShadowAlpha(false));
mCanvas.drawBitmap(extractedAlpha, mShadowDx, mShadowDy, mPaint);
// Recycle and clear extracted alpha
extractedAlpha.recycle();
} else {
// Create placeholder bitmap when size is zero and wait until new size coming up
mBitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.RGB_565);
}
}
// Reset alpha to draw child with full alpha
mPaint.setColor(adjustShadowAlpha(true));
// Draw shadow bitmap
if (mCanvas != null && mBitmap != null && !mBitmap.isRecycled())
canvas.drawBitmap(mBitmap, 0.0F, 0.0F, mPaint);
}
// Draw child`s
super.dispatchDraw(canvas);
}
}
use Tag in xml like this:
<yourpackagename.ShadowLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_gravity="center_horizontal"
app:sl_shadow_color="#9e000000"
app:sl_shadow_radius="4dp">
<child views>
</yourpackagename.ShadowLayout>
UPDATE
put the below code in attrs.xml in resource>>values
<declare-styleable name="ShadowLayout">
<attr name="sl_shadowed" format="boolean"/>
<attr name="sl_shadow_distance" format="dimension"/>
<attr name="sl_shadow_angle" format="integer"/>
<attr name="sl_shadow_radius" format="dimension"/>
<attr name="sl_shadow_color" format="color"/>
</declare-styleable>
One possible solution is using nine patch image like this http://developer.android.com/guide/topics/graphics/2d-graphics.html#nine-patch
OR
I have done this in the following way. This is my main layout in which round_corner.xml and drop_shadow.xml used as background resource. round_corner_two is same like round_corner.xml only the color attribute is different. copy the round_corner.xml,drop_shadow.xml and round_conere_two.xml into drawable folder.
<RelativeLayout
android:id="#+id/facebook_id"
android:layout_width="250dp"
android:layout_height="52dp"
android:layout_centerHorizontal="true"
android:layout_marginTop="28dp"
android:background="#drawable/round_corner" >
<LinearLayout
android:id="#+id/shadow_id"
android:layout_width="match_parent"
android:layout_height="48dp"
android:layout_margin="1dp"
android:background="#drawable/drop_shadow" >
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center"
android:layout_marginBottom="2dp"
android:background="#drawable/round_corner_two"
android:gravity="center"
android:text="#string/fb_butn_text"
android:textColor="#color/white" >
</TextView>
</LinearLayout>
</RelativeLayout>
round_corner.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<!-- view background color -->
<solid
android:color="#ffffff" >
</solid>
<!-- view border color and width -->
<stroke
android:width="0dp"
android:color="#3b5998" >
</stroke>
<!-- If you want to add some padding -->
<padding
android:left="1dp"
android:top="1dp"
android:right="1dp"
android:bottom="1dp" >
</padding>
<!-- Here is the corner radius -->
<corners
android:radius="10dp" >
</corners>
</shape>
drop_shadow.xml
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item >
<shape
android:shape="rectangle">
<solid android:color="#android:color/darker_gray" />
<corners android:radius="12dp"/>
</shape>
</item>
<item android:right="1dp" android:left="1dp" android:bottom="5dp">
<shape
android:shape="rectangle">
<solid android:color="#android:color/white"/>
<corners android:radius="5dp"/>
</shape>
</item>
</layer-list>
i know this is way too late. but i had the same requirement. i solved like this
<android.support.v7.widget.CardView
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:cardUseCompatPadding="true"
app:cardElevation="4dp"
app:cardCornerRadius="3dp" >
<!-- put whatever you want -->
</android.support.v7.widget.CardView>
you need to add dependency:
compile 'com.android.support:cardview-v7:25.0.1'
set this xml drwable as your background;---
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<!-- Bottom 2dp Shadow -->
<item>
<shape android:shape="rectangle" >
<solid android:color="#d8d8d8" />-->Your shadow color<--
<corners android:radius="15dp" />
</shape>
</item>
<!-- White Top color -->
<item android:bottom="3px" android:left="3px" android:right="3px" android:top="3px">-->here you can customize the shadow size<---
<shape android:shape="rectangle" >
<solid android:color="#FFFFFF" />
<corners android:radius="15dp" />
</shape>
</item>
</layer-list>

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