How to show a sliding window from below in Android? - 1

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package com.pack.coderzheaven;   import android.content.Context; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.RectF; import android.graphics.Paint.Style; import android.util.AttributeSet; import android.widget.LinearLayout;   public class SlidingPanel extends LinearLayout {     private Paint   innerPaint, borderPaint ;       public SlidingPanel(Context context, AttributeSet attrs) {         super(context, attrs);         init();     }       public SlidingPanel(Context context) {         super(context);         init();     }       private void init() {         innerPaint = new Paint();         innerPaint.setARGB(100, 25, 25, 75); //gray         innerPaint.setAntiAlias(true);           borderPaint = new Paint();         borderPaint.setARGB(255, 255, 255, 255);         borderPaint.setAntiAlias(true);         borderPaint.setStyle(Style.STROKE);         borderPaint.setStrokeWidth(5);     }       public void setInnerPaint(Paint innerPaint) {         this.innerPaint = innerPaint;     }       public void setBorderPaint(Paint borderPaint) {         this.borderPaint = borderPaint;     }       @Override     protected void dispatchDraw(Canvas canvas) {           RectF drawRect = new RectF();         drawRect.set(0,0, getMeasuredWidth(), getMeasuredHeight());           canvas.drawRoundRect(drawRect, 5, 5, innerPaint);         canvas.drawRoundRect(drawRect, 5, 5, borderPaint);           super.dispatchDraw(canvas);     } }

This is the layout for the Panel window that comes up. Actually this java file creates gradiant only. No visual components are created with this code.

Now the main.xml, the place where “SlidingPanel ” is used.
Copy this code to your main.xml file

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<?xml version="1.0" encoding="utf-8"?> <LinearLayout    xmlns:android="http://schemas.android.com/apk/res/android"                 android:orientation="vertical"                 android:gravity="bottom"                 android:layout_width="fill_parent"                 android:layout_height="fill_parent">       <ImageButton             android:id="@+id/show_popup_button"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_gravity="left"             android:background="@drawable/open"             />       <com.pack.coderzheaven.SlidingPanel             android:id="@+id/popup_window"             android:layout_width="fill_parent"             android:layout_height="wrap_content"             android:orientation="vertical"             android:gravity="left"             android:padding="1px"             android:background="@drawable/white">           <LinearLayout    xmlns:android="http://schemas.android.com/apk/res/android"                         android:orientation="horizontal"                         android:layout_width="fill_parent"                         android:layout_height="fill_parent"                         android:background="@drawable/gradient_bar">               <TextView                     android:id="@+id/site_name"                     android:layout_width="wrap_content"                     android:layout_height="wrap_content"                     android:textStyle="bold"                     android:textSize="16px"                     android:text="CoderzHeaven"                     android:layout_gravity="center"                     android:layout_alignParentLeft="true"                     android:textColor="@drawable/black"                     android:layout_weight="1"                     android:layout_marginLeft="5px"/>               <ImageButton android:id="@+id/hide_popup_button"                     android:layout_width="wrap_content"                     android:layout_height="wrap_content"                     android:layout_alignParentRight="true"                     android:layout_centerInParent="true"                     android:layout_margin="2px"                     android:layout_gravity="center"                     android:background="@drawable/close"/>           </LinearLayout>           <TextView    android:id="@+id/site_description"                     android:layout_width="wrap_content"                     android:layout_height="wrap_content"                     android:textColor="@drawable/black"                     android:textStyle="italic"                     android:layout_margin="5px"/>       </com.pack.coderzheaven.SlidingPanel>   </LinearLayout>