WebView mit Porgressbar,ZurückButton,Menü

1package PACKAGENAME;
2
3import android.view.*;
4import android.webkit.*;
5import android.widget.*;
6import android.app.*;
7import android.os.*;
8
9public class NAME extends Activity {
10 private WebView webview;
11 /** Called when the activity is first created. */
12 @Override
13 public void onCreate(Bundle savedInstanceState) {
14 super.onCreate(savedInstanceState);
15
16 //Progressbar
17 getWindow().requestFeature(Window.FEATURE_PROGRESS);
18
19 webview = new WebView(this);
20 setContentView(webview);
21 webview.getSettings().setJavaScriptEnabled(true);
22
23 final Activity activity = this;
24 webview.setWebChromeClient(new WebChromeClient() {
25 public void onProgressChanged(WebView view, int progress) {
26 activity.setProgress(progress * 100);
27 }
28 });
29
30 webview.setWebViewClient(new WebViewClient() {
31 public void onReceivedError(WebView view, int errorCode,
32String description, String failingUrl) {
33 Toast.makeText(activity,description,
34Toast.LENGTH_SHORT).show();
35 }
36 });
37 webview.loadUrl("URL");
38 }
39
40 //Zurück Button
41 @Override
42 public boolean onKeyDown(int keyCode, KeyEvent event) {
43 if ((keyCode == KeyEvent.KEYCODE_BACK) && webview.canGoBack()) {
44 webview.goBack();
45 return true;
46 }
47 return super.onKeyDown(keyCode, event);
48 }
49
50 //Menü Items
51 @Override
52 public boolean onCreateOptionsMenu(Menu menu) {
53 super.onCreateOptionsMenu(menu);
54 MenuItem ITEM1 = menu.add(0, 0, 0, "ITEM1");
55 MenuItem ITEM2 = menu.add(0, 1, 0, "ITEM2");
56 MenuItem ITEM3 = menu.add(0, 2, 0, "ITEM3");
57 MenuItem ITEM4 = menu.add(0, 3, 0, "ITEM4");
58 MenuItem ITEM5 = menu.add(0, 4, 0, "ITEM5");
59 return true;
60 }
61
62 //Menü Actions
63 @Override
64 public boolean onOptionsItemSelected(MenuItem item) {
65 switch (item.getItemId()) {
66 case 0:
67 ACTION1
68 break;
69 case 1:
70 ACTION2
71 break;
72 case 2:
73 ACTION3
74 break;
75 case 3:
76 ACTION4
77 break;
78 case 4:
79 ACTION5
80 break;
81 }
82 return false;
83 }
84}

1<?xml version="1.0" encoding="utf-8"?>
2<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3 android:orientation="vertical"
4 android:layout_width="fill_parent"
5 android:layout_height="fill_parent"
6 >
7<WebView
8 android:id="@+id/View"
9 android:layout_width="fill_parent"
10 android:layout_height="fill_parent"
11 />
12 </LinearLayout>

1<?xml version="1.0" encoding="utf-8"?>
2<resources>
3 <string name="app_name">APPNAME</string>
4</resources>

1<?xml version="1.0" encoding="utf-8"?>
2<manifest xmlns:android="http://schemas.android.com/apk/res/android"
3 package="PACKAGENAME"
4 android:versionCode="VERSIONSCODE (1)" android:versionName="VERSIONSNUMMER (0.1)">
5 <application android:icon="@drawable/icon" android:label="@string/app_name">
6 <activity android:name="ACTIVITYNAME"
7 android:label="@string/app_name"
8 android:configChanges="keyboardHidden|orientation">
9 <intent-filter>
10 <action android:name="android.intent.action.MAIN" />
11 <category android:name="android.intent.category.LAUNCHER" />
12 </intent-filter>
13 </activity>
14 </application>
15 <uses-sdk android:minSdkVersion="MINIMALE SDK VERSION (3)"/>
16<uses-permission android:name="android.permission.INTERNET" />
17<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
18</manifest>