Source code
package jakhar.aseem.diva;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
import java.io.File;
import java.io.FileWriter;
public class InsecureDataStorage3Activity extends AppCompatActivity {
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView((int) R.layout.activity_insecure_data_storage3);
}
public void saveCredentials(View view) {
EditText usr = (EditText) findViewById(R.id.ids3Usr);
EditText pwd = (EditText) findViewById(R.id.ids3Pwd);
try {
File uinfo = File.createTempFile("uinfo", "tmp", new File(getApplicationInfo().dataDir));
uinfo.setReadable(true);
uinfo.setWritable(true);
FileWriter fw = new FileWriter(uinfo);
fw.write(usr.getText().toString() + ":" + pwd.getText().toString() + "\n");
fw.close();
Toast.makeText(this, "3rd party credentials saved successfully!", 0).show();
} catch (Exception e) {
Toast.makeText(this, "File error occurred", 0).show();
Log.d("Diva", "File error: " + e.getMessage());
}
}
}