Wednesday, November 12, 2014

Android GoogleCardView with SlidingPanel Example

This post about how to show CardView with Sliding Up Panel.
*SlidingUpPanel
*Card View
*Swipe to Delete
*Sliding UpExpand the CardView



Activity Source Code

GoogleCardsActivity.java

package com.vj.slidinguppanel.demo;

import android.os.Bundle;

import android.util.Log;
import android.view.ViewGroup;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AbsListView;

import android.widget.ListView;

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.Animation;
import android.view.animation.Transformation;
import android.widget.ImageView;
import android.widget.TextView;

import com.nhaarman.listviewanimations.ArrayAdapter;

import com.nhaarman.listviewanimations.itemmanipulation.swipedismiss.OnDismissCallback;
import com.nhaarman.listviewanimations.itemmanipulation.swipedismiss.SwipeDismissAdapter;
import com.nhaarman.listviewanimations.appearance.simple.SwingBottomInAnimationAdapter;
import com.sothree.slidinguppanel.SlidingUpPanelLayout;
import com.sothree.slidinguppanel.SlidingUpPanelLayout.PanelSlideListener;

public class GoogleCardsActivity extends Activity implements OnDismissCallback {

private static final int INITIAL_DELAY_MILLIS = 100;

private GoogleCardsAdapter mGoogleCardsAdapter;
// private SlidingDrawer drawer;
// private Button handle, clickMe;
private static final String TAG = "GoogleCardsActivity";

private SlidingUpPanelLayout mLayout;

boolean itsOpend = false;
int index = 0;

@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_googlecards);

ListView listView = (ListView) findViewById(R.id.activity_googlecards_listview);
mGoogleCardsAdapter = new GoogleCardsAdapter(this);
SwingBottomInAnimationAdapter swingBottomInAnimationAdapter = new SwingBottomInAnimationAdapter(
new SwipeDismissAdapter(mGoogleCardsAdapter, this));
swingBottomInAnimationAdapter.setAbsListView(listView);
assert swingBottomInAnimationAdapter.getViewAnimator() != null;
swingBottomInAnimationAdapter.getViewAnimator().setInitialDelayMillis(
INITIAL_DELAY_MILLIS);
listView.setAdapter(swingBottomInAnimationAdapter);

mLayout = (SlidingUpPanelLayout) findViewById(R.id.sliding_layout);

mLayout.setPanelSlideListener(new PanelSlideListener() {
@Override
public void onPanelSlide(View panel, float slideOffset) {
Log.i(TAG, "onPanelSlide, offset " + slideOffset);

}

@Override
public void onPanelExpanded(View panel) {
Log.i(TAG, "onPanelExpanded");
itsOpend = true;
mGoogleCardsAdapter.notifyDataSetChanged();
index = 0;
}

@Override
public void onPanelCollapsed(View panel) {
Log.i(TAG, "onPanelCollapsed");
itsOpend = false;
mGoogleCardsAdapter.notifyDataSetChanged();
index = 0;
}

@Override
public void onPanelAnchored(View panel) {
Log.i(TAG, "onPanelAnchored");
// itsOpend = true;
// mGoogleCardsAdapter.notifyDataSetChanged();
}

@Override
public void onPanelHidden(View panel) {
Log.i(TAG, "onPanelHidden");
}
});

listView.setOnScrollListener(new OnScrollListener() {

@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
// TODO Auto-generated method stub
Log.e("Log State", "scrollState :: " + scrollState);
index = 0;
}

@Override
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
// TODO Auto-generated method stub
index = -1;
}
});

listView.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
if (mLayout != null) {
if (!itsOpend) {
// mLayout.setAnchorPoint(0.7f);
mLayout.expandPanel();

} else {
// mLayout.setAnchorPoint(1.0f);
mLayout.collapsePanel();

}
}

}
});

for (int i = 0; i < 25; i++) {
mGoogleCardsAdapter.add(i);
}

}

@Override
public void onDismiss(final ViewGroup listView,
final int[] reverseSortedPositions) {
for (int position : reverseSortedPositions) {
mGoogleCardsAdapter.remove(position);
}
}

public class GoogleCardsAdapter extends ArrayAdapter<Integer> {

private final Context mContext;
private final BitmapCache mMemoryCache;

GoogleCardsAdapter(final Context context) {
mContext = context;
mMemoryCache = new BitmapCache();
}

@Override
public View getView(final int position, final View convertView,
final ViewGroup parent) {
final ViewHolder viewHolder;
View view = convertView;
if (view == null) {
view = LayoutInflater.from(mContext).inflate(
R.layout.activity_googlecards_card, parent, false);

viewHolder = new ViewHolder();
viewHolder.textView = (TextView) view
.findViewById(R.id.activity_googlecards_card_textview);
view.setTag(viewHolder);

viewHolder.imageView = (ImageView) view
.findViewById(R.id.activity_googlecards_card_imageview);
} else {
viewHolder = (ViewHolder) view.getTag();
}

if (itsOpend) {

expand(viewHolder.imageView);

} else {

collapse(viewHolder.imageView);

}

viewHolder.textView.setText(mContext.getString(
R.string.card_number, getItem(position) + 1));
setImageView(viewHolder, position);

return view;
}

private void setImageView(final ViewHolder viewHolder,
final int position) {
int imageResId;
switch (getItem(position) % 5) {
case 0:
imageResId = R.drawable.a1;
break;
case 1:
imageResId = R.drawable.a3;
break;
case 2:
imageResId = R.drawable.a2;
break;
case 3:
imageResId = R.drawable.a1;
break;
default:
imageResId = R.drawable.a3;
}

Bitmap bitmap = getBitmapFromMemCache(imageResId);
if (bitmap == null) {
bitmap = BitmapFactory.decodeResource(mContext.getResources(),
imageResId);
addBitmapToMemoryCache(imageResId, bitmap);
}
viewHolder.imageView.setImageBitmap(bitmap);
}

private void addBitmapToMemoryCache(final int key, final Bitmap bitmap) {
if (getBitmapFromMemCache(key) == null) {
mMemoryCache.put(key, bitmap);
}
}

private Bitmap getBitmapFromMemCache(final int key) {
return mMemoryCache.get(key);
}

@SuppressWarnings({ "PackageVisibleField",
"InstanceVariableNamingConvention" })
private class ViewHolder {
TextView textView;
ImageView imageView;
}

public void expand(final View v) {
v.measure(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
final int targetHeight = v.getMeasuredHeight();

v.getLayoutParams().height = 0;
v.setVisibility(View.VISIBLE);
Animation a = new Animation() {
@Override
protected void applyTransformation(float interpolatedTime,
Transformation t) {
v.getLayoutParams().height = interpolatedTime == 1 ? LayoutParams.WRAP_CONTENT
: (int) (targetHeight * interpolatedTime);
v.requestLayout();
}

@Override
public boolean willChangeBounds() {
return true;
}
};

// 1dp/ms
a.setDuration((int) (targetHeight / v.getContext().getResources()
.getDisplayMetrics().density));
v.startAnimation(a);
}

public void collapse(final View v) {
final int initialHeight = v.getMeasuredHeight();

Animation a = new Animation() {
@Override
protected void applyTransformation(float interpolatedTime,
Transformation t) {
if (interpolatedTime == 1) {
v.setVisibility(View.GONE);
} else {
v.getLayoutParams().height = initialHeight
- (int) (initialHeight * interpolatedTime);
v.requestLayout();
}
}

@Override
public boolean willChangeBounds() {
return true;
}
};

// 1dp/ms
a.setDuration((int) (initialHeight / v.getContext().getResources()
.getDisplayMetrics().density));
v.startAnimation(a);
}
}

}


Screen Shot 



BitmapCache.java


package com.vj.slidinguppanel.demo;

import android.annotation.SuppressLint;
import android.graphics.Bitmap;
import android.util.LruCache;

@SuppressLint("NewApi")
public class BitmapCache extends LruCache<Integer, Bitmap> {

    private static final int KILO = 1024;
    @SuppressLint("NewApi")
private static final int MEMORY_FACTOR = 2 * KILO;

    public BitmapCache() {
        super((int) (Runtime.getRuntime().maxMemory() / MEMORY_FACTOR));
    }

    @Override
    protected int sizeOf(final Integer key, final Bitmap value) {
        return value.getRowBytes() * value.getHeight() / KILO;
    }
}


XML code
activity_googlecards.xml
<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"
    tools:context=".DemoActivity" >

    <com.sothree.slidinguppanel.SlidingUpPanelLayout
        xmlns:sothree="http://schemas.android.com/apk/res-auto"
        android:id="@+id/sliding_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="bottom"
        sothree:panelHeight="278dp"
        sothree:shadowHeight="4dp"
        sothree:paralaxOffset="50dp"
        sothree:dragView="@+id/dragView">

        <!-- MAIN CONTENT -->
        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">
          
            <TextView
                android:id="@+id/main"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginTop="?attr/actionBarSize"
                android:gravity="center"
                android:text="Main Content"
                android:clickable="true"
                android:focusable="false"
                android:focusableInTouchMode="true"
                android:textSize="16sp" />
        </FrameLayout>

        <!-- SLIDING LAYOUT -->
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="#eeeeee"
            android:orientation="vertical"
            android:clickable="true"
            android:focusable="false"
            android:id="@+id/dragView">
  <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="68dp"
                android:background="@android:color/transparent"
                android:orientation="horizontal">

            </LinearLayout>
            <ListView
         android:id="@+id/activity_googlecards_listview"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="#e2e2e2"
         android:clipToPadding="false"
         android:divider="@null"
         android:focusable="false"
         android:focusableInTouchMode="false"
         android:dividerHeight="8dp"
         android:fadingEdge="none"
         android:fitsSystemWindows="true"
         android:padding="12dp"
         android:scrollbarStyle="outsideOverlay"
        >
     </ListView>
        </LinearLayout>
    </com.sothree.slidinguppanel.SlidingUpPanelLayout>

</RelativeLayout>






Check out this may be help you

Related Posts Plugin for WordPress, Blogger...