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POSlide a layout up from bottom of screen
 

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    <p>I have a layout hidden from the view. On a button click I want it to slide up from the bottom pushing the entire screen contents upwards, very similar to how whatsapp shows emoticons panel in chat screen. </p> <p>I have seen SlidingDrawer, that dosen't work for me. It requires an image as an handle which is shown at the center of the screen, I don't want that. It also slides over the existing screen content, I am looking for a way to move the existing content upwards.</p> <p><strong>Update 1:</strong></p> <p>I tried using the animations as suggested by Sanket Kachhela. But the hidden layout is never shown. Here is the code.</p> <p><strong>Layout (activity_main.xml):</strong> </p> <pre><code>&lt;RelativeLayout android:id="@+id/main_screen" android:layout_width="match_parent" android:layout_height="match_parent" &gt; &lt;TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/hello_world" android:layout_alignParentTop="true"/&gt; &lt;TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/hello_world" android:layout_centerInParent="true"/&gt; &lt;Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Slide up / down" android:layout_alignParentBottom="true" android:onClick="slideUpDown"/&gt; &lt;/RelativeLayout&gt; &lt;RelativeLayout android:id="@+id/hidden_panel" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@id/main_screen"&gt; &lt;Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/app_name" /&gt; &lt;/RelativeLayout&gt; </code></pre> <p></p> <p><strong>Activity (MainActivity.java):</strong></p> <pre><code>package com.example.slideuplayout; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.view.ViewGroup; import android.view.animation.Animation; import android.view.animation.AnimationUtils; public class MainActivity extends Activity { private ViewGroup hiddenPanel; private boolean isPanelShown; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); hiddenPanel = (ViewGroup)findViewById(R.id.hidden_panel); hiddenPanel.setVisibility(View.INVISIBLE); isPanelShown = false; } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } public void slideUpDown(final View view) { if(!isPanelShown) { // Show the panel Animation bottomUp = AnimationUtils.loadAnimation(this, R.anim.bottom_up); hiddenPanel.startAnimation(bottomUp); hiddenPanel.setVisibility(View.VISIBLE); isPanelShown = true; } else { // Hide the Panel Animation bottomDown = AnimationUtils.loadAnimation(this, R.anim.bottom_down); hiddenPanel.startAnimation(bottomDown); hiddenPanel.setVisibility(View.INVISIBLE); isPanelShown = false; } } } </code></pre> <p><strong>Animations:</strong></p> <p>bottom_up.xml:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;set xmlns:android="http://schemas.android.com/apk/res/android"&gt; &lt;translate android:fromYDelta="75%p" android:toYDelta="0%p" android:fillAfter="true" android:duration="500" /&gt; &lt;/set&gt; </code></pre> <p>bottom_down.xml:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;set xmlns:android="http://schemas.android.com/apk/res/android"&gt; &lt;translate android:fromYDelta="0%p" android:toYDelta="100%p" android:fillAfter="true" android:interpolator="@android:anim/linear_interpolator" android:duration="500" /&gt; &lt;/set&gt; </code></pre> <p>Any ideas how this can be done ?</p> <p>Thanks.</p>
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    1. COhave you tried answer?
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      1. USSanket Kachhela
    2. COYour layout hidden_panel might be going behind other layout. Call `hiddenPanel.bringToFront()` before starting animation and see if it works. Also let us know, are you getting hidden_panel view in graphical layout for `activity_main.xml` ?
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    3. CO@Babar means when u click on sliding up/down button the hidden layout should be expanded or collapsed accordingly?i phone type slider?
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      1. USTheFlash
 

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