<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorPrimary">@color/colorPrimary</item>
<!-- <item name="colorPrimaryLight">@color/colorPrimaryLight</item> -->
<item name="colorAccent">@color/colorAccent</item>
<item name="android:textColorPrimary">@color/textColorPrimary</item>
<item name="android:textColorSecondary">@color/textColorSecondary</item>
</style><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"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context=".MyActivity">
<android.support.v7.widget.RecyclerView
android:id="@+id/cardList"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</RelativeLayout><?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView
xmlns:card_view="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/card_view"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/linearLayout">
<TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="contact det"
android:gravity="center_vertical"
android:textColor="@android:color/background_dark"
android:textSize="14dp"
android:layout_gravity="center_horizontal"/>
</LinearLayout>
<View
android:layout_height="1dp"
android:layout_width="match_parent"
android:background="@color/accent"
android:layout_below="@+id/linearLayout"/>
<TextView
android:id="@+id/txtName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name"
android:gravity="center_vertical"
android:textSize="10dp"
android:layout_below="@+id/linearLayout"
android:layout_alignLeft="@+id/txtSurname"
android:layout_alignStart="@+id/txtSurname"/>
<TextView
android:id="@+id/txtSurname"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Surname"
android:gravity="center_vertical"
android:textSize="10dp"
android:layout_below="@+id/txtName"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"/>
<TextView
android:id="@+id/txtEmail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Email"
android:textSize="10dp"
android:layout_above="@+id/txtAdd"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"/>
<TextView
android:id="@+id/txtAdd"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Address"
android:textSize="10dp"
android:layout_alignTop="@+id/txtSurname"
android:layout_alignLeft="@+id/txtEmail"
android:layout_alignStart="@+id/txtEmail"/>
</RelativeLayout>
</android.support.v7.widget.CardView>public class ImageDownladerActivity extends Activity {
private ImageView downloadedImg;
private ProgressDialog simpleWaitDialog;
private String downloadUrl = "http://help.adobe.com/en_US/Director/11.0/images/vector_bitmap_image.png";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.asynch);
Button imageDownloaderBtn = (Button) findViewById(R.id.downloadButton);
downloadedImg = (ImageView) findViewById(R.id.imageView);
imageDownloaderBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
new ImageDownloader().execute(downloadUrl);
}
});
}
private class ImageDownloader extends AsyncTask <String, Void, Bitmap> {
@Override
protected Bitmap doInBackground(String... param) {
// TODO Auto-generated method stub
return downloadBitmap(param[0]);
}
@Override
protected void onPreExecute() {
Log.i("Async-Example", "onPreExecute Called");
simpleWaitDialog = ProgressDialog.show(ImageDownladerActivity.this,
"Wait", "Downloading Image");
}
@Override
protected void onPostExecute(Bitmap result) {
Log.i("Async-Example", "onPostExecute Called");
downloadedImg.setImageBitmap(result);
simpleWaitDialog.dismiss();
}
private Bitmap downloadBitmap(String url) {
// initilize the default HTTP client object
final DefaultHttpClient client = new DefaultHttpClient();
//forming a HttoGet request
final HttpGet getRequest = new HttpGet(url);
try {
HttpResponse response = client.execute(getRequest);
//check 200 OK for success
final int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != HttpStatus.SC_OK) {
Log.w("ImageDownloader", "Error " + statusCode +
" while retrieving bitmap from " + url);
return null;
}
final HttpEntity entity = response.getEntity();
if (entity != null) {
InputStream inputStream = null;
try {
// getting contents from the stream
inputStream = entity.getContent();
// decoding stream data back into image Bitmap that android understands
final Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
return bitmap;
} finally {
if (inputStream != null) {
inputStream.close();
}
entity.consumeContent();
}
}
} catch (Exception e) {
// You Could provide a more explicit error message for IOException
getRequest.abort();
Log.e("ImageDownloader", "Something went wrong while" +
" retrieving bitmap from " + url + " "+e.toString());
}
return null;
}
}
}E/ImageDownloader﹕ Something went wrong while retrieving bitmap from http://help.adobe.com/en_US/Director/11.0/images/vector_bitmap_image.png java.net.UnknownHostException: help.adobe.com
