BrowserIntent.java
上传用户:xmjingguan
上传日期:2009-07-06
资源大小:2054k
文件大小:2k
- /***
- * Excerpted from "Hello, Android!",
- * published by The Pragmatic Bookshelf.
- * Copyrights apply to this code. It may not be used to create training material,
- * courses, books, articles, and the like. Contact us if you are in doubt.
- * We make no guarantees that this code is fit for any purpose.
- * Visit http://www.pragmaticprogrammer.com/titles/eband for more book information.
- ***/
- package org.example.browserintent;
- import android.app.Activity;
- import android.content.Intent;
- import android.net.Uri;
- import android.os.Bundle;
- import android.view.KeyEvent;
- import android.view.View;
- import android.view.View.OnClickListener;
- import android.view.View.OnKeyListener;
- import android.widget.Button;
- import android.widget.EditText;
- public class BrowserIntent extends Activity {
- private EditText urlText;
- private Button goButton;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
-
- // Get a handle to all user interface elements
- urlText = (EditText) findViewById(R.id.url_field);
- goButton = (Button) findViewById(R.id.go_button);
-
- // Setup event handlers
- goButton.setOnClickListener(new OnClickListener() {
- public void onClick(View view) {
- openBrowser();
- }
- });
- urlText.setOnKeyListener(new OnKeyListener() {
- public boolean onKey(View view, int keyCode, KeyEvent event) {
- if (keyCode == KeyEvent.KEYCODE_ENTER) {
- openBrowser();
- return true;
- }
- return false;
- }
- });
- }
-
-
- /** Open a browser on the URL specified in the text box */
- private void openBrowser() {
- Uri uri = Uri.parse(urlText.getText().toString());
- Intent intent = new Intent(Intent.ACTION_VIEW, uri);
- startActivity(intent);
- }
-
-
- }