<?xml version="1.0" encoding="utf-8"? > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <RelativeLayout android:layout_width="match_parent" android:layout_height="426dp" > <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:text="Welcome to main activity " android:textColor="#ffffff" android:textSize="15sp" /> <Button android:id="@+id/btnDownloadImage" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignTop="@+id/btnAnimation" android:layout_toRightOf="@+id/btnAnimation" android:text="Download an image from online" android:textSize="8sp" /> </RelativeLayout> </LinearLayout> </LinearLayout>
package com.uk.modak; import android.app.Activity; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.Toast; public class ProjectonOverallClassMainActivity extends Activity { public Button btnDownloadImage; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); btnDownloadImage = (Button) findViewById(R.id.btnDownloadImage); btnDownloadImage.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Intent d = new Intent(ProjectonOverallClassMainActivity.this,DownloadImage.class); startActivity(d); } }); } public void onStart(){ super.onStart(); } }
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#B0C4DE" android:orientation="vertical" > <ImageView android:id="@+id/imageId" android:layout_width="wrap_content" android:layout_height="400dp" android:layout_marginTop="50dp" android:layout_gravity="center"/> </LinearLayout>
package com.uk.modak; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import android.os.AsyncTask; import android.os.Bundle; import android.app.Activity; import android.app.ProgressDialog; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.util.Log; import android.widget.ImageView; public class DownloadImage extends Activity { String UR = "http://www.androidbegin.com/wp-content/uploads/2013/07/HD-Logo.gif"; //String UR = "http://www.ukmodak.com/public/images/uklogo.png"; ImageView imageId; ProgressDialog mProgressDialog; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.imagedownloadlayout); imageId = (ImageView) findViewById(R.id.imageId); new DownloadImageFromOnline().execute(UR); } private class DownloadImageFromOnline extends AsyncTask{ @Override protected void onPreExecute() { super.onPreExecute(); mProgressDialog = new ProgressDialog(DownloadImage.this); mProgressDialog.setTitle("Download Image Tutorial"); mProgressDialog.setMessage("Loading..."); mProgressDialog.setIndeterminate(false); mProgressDialog.show(); } @Override protected Bitmap doInBackground(String... URL) { String imageURL = URL[0]; Bitmap b = null; try { URL url = new URL(imageURL); Log.d("MYTAG", "Connecting"); HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection(); httpURLConnection.setReadTimeout(10000 /* milliseconds */); httpURLConnection.setConnectTimeout(15000 /* milliseconds */); httpURLConnection.setRequestMethod("GET"); httpURLConnection.connect(); Log.d("MYTAG", httpURLConnection.getResponseMessage()); InputStream is = httpURLConnection.getInputStream(); final BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = 1; b= BitmapFactory.decodeStream(is, null, options); } catch (Exception e) { e.printStackTrace(); } return b ; } @Override protected void onPostExecute(Bitmap result) { mProgressDialog.dismiss(); imageId.setImageBitmap(result); } } }
<application android:icon="@drawable/ic_launcher" android:label="@string/app_name" > <activity android:name=".ProjectonOverallClassMainActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".DownloadImage" android:label="@string/app_name" > </activity> <receiver android:name=".ConnectionReceive"> <intent-filter> <action android:name="android.net.conn.CONNECTIVITY_CHANGE" /> </intent-filter> </receiver> </application>
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