Homework SourseAndroid Studio Assignment Help Can someone who is familiar w
Android Studio Assignment Help
Can someone who is familiar with Android Studio help me create (in Java) a code in an app page that lets the user upload any picture and saves it into the app after its uploaded.
Can you please post the Java code, XML code, and screenshots if possible?
Solution
AndroidManifest.xml
-----
<?xml version=\"1.0\" encoding=\"utf-8\"?>
<manifest xmlns:android=\"http://schemas.android.com/apk/res/android\"
package=\"com.uploadtoserver\"
android:versionCode=\"1\"
android:versionName=\"1.0\" >
<uses-sdk
android:minSdkVersion=\"8\"/>
<uses-permission android:name=\"android.permission.INTERNET\"/>
<application
android:allowBackup=\"true\"
android:icon=\"@drawable/ic_launcher\"
android:label=\"@string/app_name\"
android:theme=\"@style/AppTheme\" >
<activity
android:name=\"com.uploadtoserver.UploadToServer\"
android:label=\"@string/app_name\" >
<intent-filter>
<action android:name=\"android.intent.action.MAIN\" />
<category android:name=\"android.intent.category.LAUNCHER\" />
</intent-filter>
</activity>
</application>
</manifest>
---------
activity_upload_to_server.xml
----------------
<?xml version=\"1.0\" encoding=\"utf-8\"?>
<LinearLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"
android:orientation=\"vertical\"
android:layout_width=\"fill_parent\"
android:layout_height=\"fill_parent\"
>
<Button
android:layout_width=\"fill_parent\"
android:layout_height=\"wrap_content\"
android:text=\"Click To Upload File\"
android:id=\"@+id/uploadButton\"
/>
<TextView
android:layout_width=\"fill_parent\"
android:layout_height=\"wrap_content\"
android:text=\"\"
android:id=\"@+id/messageText\"
android:textColor=\"#000000\"
android:textStyle=\"bold\"
/>
</LinearLayout>
---------------------
Upload.java
---------------------
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class Upload extends Activity {
TextView messageText;
Button uploadButton;
int serverResponseCode = 0;
ProgressDialog dialog = null;
String upLoadServerUri = null;
/********** File Path *************/
final String uploadFilePath = \"/mnt/sdcard/\";
final String uploadFileName = \"123.png\";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_upload_to_server);
uploadButton = (Button)findViewById(R.id.uploadButton);
messageText = (TextView)findViewById(R.id.messageText);
messageText.setText(\"Uploading file path :- \'/mnt/sdcard/\"+uploadFileName+\"\'\");
/************* Php script path ****************/
upLoadServerUri = \"http://www.abc.com/media/UploadToServer.php\";
uploadButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
dialog = ProgressDialog.show(UploadToServer.this, \"\", \"Uploading file...\", true);
new Thread(new Runnable() {
public void run() {
runOnUiThread(new Runnable() {
public void run() {
messageText.setText(\"uploading started.....\");
}
});
uploadFile(uploadFilePath + \"\" + uploadFileName);
}
}).start();
}
});
}
public int uploadFile(String sourceFileUri) {
String fileName = sourceFileUri;
HttpURLConnection conn = null;
DataOutputStream dos = null;
String lineEnd = \"\ \ \";
String twoHyphens = \"--\";
String boundary = \"*****\";
int bytesRead, bytesAvailable, bufferSize;
byte[] buffer;
int maxBufferSize = 1 * 1024 * 1024;
File sourceFile = new File(sourceFileUri);
if (!sourceFile.isFile()) {
dialog.dismiss();
Log.e(\"uploadFile\", \"Source File not exist :\"
+uploadFilePath + \"\" + uploadFileName);
runOnUiThread(new Runnable() {
public void run() {
messageText.setText(\"Source File not exist :\"
+uploadFilePath + \"\" + uploadFileName);
}
});
return 0;
}
else
{
try {
// open a URL connection to the Servlet
FileInputStream fileInputStream = new FileInputStream(sourceFile);
URL url = new URL(upLoadServerUri);
// Open a HTTP connection to the URL
conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true); // Allow Inputs
conn.setDoOutput(true); // Allow Outputs
conn.setUseCaches(false); // Don\'t use a Cached Copy
conn.setRequestMethod(\"POST\");
conn.setRequestProperty(\"Connection\", \"Keep-Alive\");
conn.setRequestProperty(\"ENCTYPE\", \"multipart/form-data\");
conn.setRequestProperty(\"Content-Type\", \"multipart/form-data;boundary=\" + boundary);
conn.setRequestProperty(\"uploaded_file\", fileName);
dos = new DataOutputStream(conn.getOutputStream());
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes(\"Content-Disposition: form-data; name=\"uploaded_file\";filename=\"\"
+ fileName + \"\"\" + lineEnd);
dos.writeBytes(lineEnd);
// create a buffer of maximum size
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
// read file and write it into form...
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
while (bytesRead > 0) {
dos.write(buffer, 0, bufferSize);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}
// send multipart form data necesssary after file data...
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
// Responses from the server (code and message)
serverResponseCode = conn.getResponseCode();
String serverResponseMessage = conn.getResponseMessage();
Log.i(\"uploadFile\", \"HTTP Response is : \"
+ serverResponseMessage + \": \" + serverResponseCode);
if(serverResponseCode == 200){
runOnUiThread(new Runnable() {
public void run() {
String msg = \"File Upload Completed.\ \ See uploaded file here : \ \ \"
+\" xyz.com\"
+uploadFileName;
messageText.setText(msg);
Toast.makeText(UploadToServer.this, \"File Upload Complete.\",
Toast.LENGTH_SHORT).show();
}
});
}
//close the streams //
fileInputStream.close();
dos.flush();
dos.close();
} catch (MalformedURLException ex) {
dialog.dismiss();
ex.printStackTrace();
runOnUiThread(new Runnable() {
public void run() {
messageText.setText(\"MalformedURLException Exception : check script url.\");
Toast.makeText(UploadToServer.this, \"MalformedURLException\",
Toast.LENGTH_SHORT).show();
}
});
Log.e(\"Upload file to server\", \"error: \" + ex.getMessage(), ex);
} catch (Exception e) {
dialog.dismiss();
e.printStackTrace();
runOnUiThread(new Runnable() {
public void run() {
messageText.setText(\"Got Exception : see logcat \");
Toast.makeText(UploadToServer.this, \"Got Exception : see logcat \",
Toast.LENGTH_SHORT).show();
}
});
Log.e(\"Upload file to server Exception\", \"Exception : \"
+ e.getMessage(), e);
}
dialog.dismiss();
return serverResponseCode;
} // End else block
}
}
| <?xml version=\"1.0\" encoding=\"utf-8\"?> <manifest xmlns:android=\"http://schemas.android.com/apk/res/android\" package=\"com.uploadtoserver\" android:versionCode=\"1\" android:versionName=\"1.0\" >
<uses-sdk android:minSdkVersion=\"8\"/>
<uses-permission android:name=\"android.permission.INTERNET\"/>
<application android:allowBackup=\"true\" android:icon=\"@drawable/ic_launcher\" android:label=\"@string/app_name\" android:theme=\"@style/AppTheme\" > <activity android:name=\"com.uploadtoserver.UploadToServer\" android:label=\"@string/app_name\" > <intent-filter> <action android:name=\"android.intent.action.MAIN\" />
<category android:name=\"android.intent.category.LAUNCHER\" /> </intent-filter> </activity> </application>
</manifest> --------- activity_upload_to_server.xml ---------------- <?xml version=\"1.0\" encoding=\"utf-8\"?> <LinearLayout xmlns:android=\"http://schemas.android.com/apk/res/android\" android:orientation=\"vertical\" android:layout_width=\"fill_parent\" android:layout_height=\"fill_parent\" > <Button android:layout_width=\"fill_parent\" android:layout_height=\"wrap_content\" android:text=\"Click To Upload File\" android:id=\"@+id/uploadButton\" />
<TextView android:layout_width=\"fill_parent\" android:layout_height=\"wrap_content\" android:text=\"\" android:id=\"@+id/messageText\" android:textColor=\"#000000\" android:textStyle=\"bold\" /> </LinearLayout> --------------------- Upload.java --------------------- import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import android.app.Activity; import android.app.ProgressDialog; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; import android.widget.Toast;
public class Upload extends Activity {
TextView messageText; Button uploadButton; int serverResponseCode = 0; ProgressDialog dialog = null;
String upLoadServerUri = null;
/********** File Path *************/ final String uploadFilePath = \"/mnt/sdcard/\"; final String uploadFileName = \"123.png\";
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); setContentView(R.layout.activity_upload_to_server);
uploadButton = (Button)findViewById(R.id.uploadButton); messageText = (TextView)findViewById(R.id.messageText);
messageText.setText(\"Uploading file path :- \'/mnt/sdcard/\"+uploadFileName+\"\'\");
/************* Php script path ****************/ upLoadServerUri = \"http://www.abc.com/media/UploadToServer.php\";
uploadButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) {
dialog = ProgressDialog.show(UploadToServer.this, \"\", \"Uploading file...\", true);
new Thread(new Runnable() { public void run() { runOnUiThread(new Runnable() { public void run() { messageText.setText(\"uploading started.....\"); } });
uploadFile(uploadFilePath + \"\" + uploadFileName);
} }).start(); } }); }
public int uploadFile(String sourceFileUri) {
String fileName = sourceFileUri;
HttpURLConnection conn = null; DataOutputStream dos = null; String lineEnd = \"\ \ \"; String twoHyphens = \"--\"; String boundary = \"*****\"; int bytesRead, bytesAvailable, bufferSize; byte[] buffer; int maxBufferSize = 1 * 1024 * 1024; File sourceFile = new File(sourceFileUri);
if (!sourceFile.isFile()) {
dialog.dismiss();
Log.e(\"uploadFile\", \"Source File not exist :\" +uploadFilePath + \"\" + uploadFileName);
runOnUiThread(new Runnable() { public void run() { messageText.setText(\"Source File not exist :\" +uploadFilePath + \"\" + uploadFileName); } });
return 0;
} else { try {
// open a URL connection to the Servlet FileInputStream fileInputStream = new FileInputStream(sourceFile); URL url = new URL(upLoadServerUri);
// Open a HTTP connection to the URL conn = (HttpURLConnection) url.openConnection(); conn.setDoInput(true); // Allow Inputs conn.setDoOutput(true); // Allow Outputs conn.setUseCaches(false); // Don\'t use a Cached Copy conn.setRequestMethod(\"POST\"); conn.setRequestProperty(\"Connection\", \"Keep-Alive\"); conn.setRequestProperty(\"ENCTYPE\", \"multipart/form-data\"); conn.setRequestProperty(\"Content-Type\", \"multipart/form-data;boundary=\" + boundary); conn.setRequestProperty(\"uploaded_file\", fileName);
dos = new DataOutputStream(conn.getOutputStream());
dos.writeBytes(twoHyphens + boundary + lineEnd); dos.writeBytes(\"Content-Disposition: form-data; name=\"uploaded_file\";filename=\"\" + fileName + \"\"\" + lineEnd);
dos.writeBytes(lineEnd);
// create a buffer of maximum size bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize); buffer = new byte[bufferSize];
// read file and write it into form... bytesRead = fileInputStream.read(buffer, 0, bufferSize);
while (bytesRead > 0) {
dos.write(buffer, 0, bufferSize); bytesAvailable = fileInputStream.available(); bufferSize = Math.min(bytesAvailable, maxBufferSize); bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}
// send multipart form data necesssary after file data... dos.writeBytes(lineEnd); dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
// Responses from the server (code and message) serverResponseCode = conn.getResponseCode(); String serverResponseMessage = conn.getResponseMessage();
Log.i(\"uploadFile\", \"HTTP Response is : \" + serverResponseMessage + \": \" + serverResponseCode);
if(serverResponseCode == 200){
runOnUiThread(new Runnable() { public void run() {
String msg = \"File Upload Completed.\ \ See uploaded file here : \ \ \" +\" xyz.com\" +uploadFileName;
messageText.setText(msg); Toast.makeText(UploadToServer.this, \"File Upload Complete.\", Toast.LENGTH_SHORT).show(); } }); }
//close the streams // fileInputStream.close(); dos.flush(); dos.close();
} catch (MalformedURLException ex) {
dialog.dismiss(); ex.printStackTrace();
runOnUiThread(new Runnable() { public void run() { messageText.setText(\"MalformedURLException Exception : check script url.\"); Toast.makeText(UploadToServer.this, \"MalformedURLException\", Toast.LENGTH_SHORT).show(); } });
Log.e(\"Upload file to server\", \"error: \" + ex.getMessage(), ex); } catch (Exception e) {
dialog.dismiss(); e.printStackTrace();
runOnUiThread(new Runnable() { public void run() { messageText.setText(\"Got Exception : see logcat \"); Toast.makeText(UploadToServer.this, \"Got Exception : see logcat \", Toast.LENGTH_SHORT).show(); } }); Log.e(\"Upload file to server Exception\", \"Exception : \" + e.getMessage(), e); } dialog.dismiss(); return serverResponseCode;
} // End else block } } |
