Hi,
I'm wondering weather you meant to over complicate a very simple task.
If you just want to get the input from the 2 boxes you could have done
it with much less code.
On Jun 2, 3:59 pm, treyb <tr...@ufl.edu> wrote:
> I am beginning at creating Android apps and I have been playing with a
> hello world app and attempting to add a username and password editbox
> and print it out to the screen. I have no error or warnings in the
> problem window, but when I run it on a android 3.0 tablet, it
> crashes.........
>
> here is the java file: Can anyone help?
>
> package com.example.atprint;
>
> import java.io.BufferedReader;
> import java.io.IOException;
> import java.io.InputStreamReader;
>
> import android.app.Activity;
> import android.os.Bundle;
> import android.os.Handler;
> import android.view.View;
> import android.view.View.OnClickListener;
> import android.widget.*;
>
> public class HelloAndroid extends Activity {
>
> private TextView outputView;
> private Button localRunButton;
> private EditText localPathEdit;
> private EditText username;
> private EditText password;
> private Handler handler = new Handler();
>
> /** Called when the activity is first created. */
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
>
> outputView = (TextView)findViewById(R.id.outputView);
> localPathEdit = (EditText)findViewById(R.id.localPathEdit);
> localRunButton = (Button)findViewById(R.id.localRunButton);
> username = (EditText)findViewById(R.id.localUser);
> password = (EditText)findViewById(R.id.localPassword);
> localRunButton.setOnClickListener(onLocalRunButtonClick);
> }
>
> private OnClickListener onLocalRunButtonClick = new OnClickListener()
> {
> public void onClick(View v) {
> String output =
> exec(localPathEdit.getText().toString());
> output(output);
> }
> };
> // Executes UNIX command.
> private String exec(String command) {
> try {
> Process process = Runtime.getRuntime().exec(command);
> BufferedReader reader = new BufferedReader(
> new InputStreamReader(process.getInputStream()));
> int read;
> char[] buffer = new char[4096];
> StringBuffer output = new StringBuffer();
> while ((read = reader.read(buffer)) > 0) {
> output.append(buffer, 0, read);
> }
> output.append(username);
> output.append(password);
> reader.close();
> process.waitFor();
> return output.toString();
> } catch (IOException e) {
> throw new RuntimeException(e);
> } catch (InterruptedException e) {
> throw new RuntimeException(e);
> }
> }
>
> private void output(final String str) {
> Runnable proc = new Runnable() {
> public void run() {
> outputView.setText(str);
> }
> };
> handler.post(proc);
> }
>
> }
>
> here is the main.xml file:
>
> <?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"
> >
>
> <TextView
> android:layout_width="fill_parent"
> android:layout_height="wrap_content"
> android:id="@+id/localPathLabel" android:text="Local exe path:"/>
>
> <LinearLayout android:layout_width="fill_parent"
> android:layout_height="wrap_content" android:orientation="horizontal">
> <EditText android:id="@+id/localPathEdit"
> android:layout_height="wrap_content"
> android:layout_width="wrap_content" android:layout_weight="1"
> android:text="/system/bin/ls"></EditText>
>
> </LinearLayout>
>
> <TextView
> android:layout_width="fill_parent"
> android:layout_height="wrap_content"
> android:title="Account Information"/>
>
> <EditText android:title="User Name" android:id="@+id/localUser"
> android:summary="SSH User name"></EditText>
> <EditText android:title="Password / Passphrase" android:id="@+id/
> localPassword" android:summary="SSH Password"
> android:password="true"></EditText>
> <Button android:id="@+id/localRunButton"
> android:layout_width="wrap_content"
> android:layout_height="wrap_content" android:text="Run"></Button>
>
> <TextView android:id="@+id/outputView"
> android:layout_width="wrap_content"
> android:layout_height="wrap_content"></TextView>
>
> </LinearLayout>
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