안드로이드 WebView Progressbar

maifest.xml에서 권한설정을 해줍니다

(uses permission)

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01.<?xml version="1.0" encoding="utf-8"?>

02.<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

03.android:layout_width="fill_parent"

04.android:layout_height="fill_parent"

05.android:orientation="vertical" >

06. 

07.<FrameLayout

08.android:layout_width="fill_parent"

09.android:layout_height="fill_parent" >

10. 

11.<WebView

12.android:id="@+id/web"

13.android:layout_width="fill_parent"

14.android:layout_height="fill_parent" />

15. 

16.<ProgressBar

17.android:id="@+id/web_progress"

18.android:layout_width="wrap_content"

19.android:layout_height="wrap_content"

20.android:layout_gravity="center"

21.android:visibility="gone" />

22.</FrameLayout>

23. 

24.</LinearLayout>

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01.package kr.android.web.progressbar;

02. 

03.import android.app.Activity;

04.import android.os.Bundle;

05.import android.content.Context;

06.import android.graphics.Bitmap;

07.import android.net.ConnectivityManager;

08.import android.net.NetworkInfo;

09.import android.view.KeyEvent;

10.import android.view.View;

11.import android.webkit.WebView;

12.import android.webkit.WebViewClient;

13.import android.widget.ProgressBar;

14.import android.widget.Toast;

15. 

16.public class ProgressBarDemo1 extends Activity {

17.private WebView web;

18.private ProgressBar progress;

19. 

20.@Override

21.public void onCreate(Bundle savedInstanceState) {

22.super.onCreate(savedInstanceState);

23. 

24.ConnectivityManager cm =

25.(ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

26. 

27.NetworkInfo ni = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

28.boolean isWifiConn = ni.isConnected();

29. 

30.ni = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);

31. 

32.boolean isMobileConn = ni.isConnected();

33. 

34.if (!isWifiConn && !isMobileConn) {

35.Toast.makeText(this, "인터넷에 접속되어 있지 않습니다!", Toast.LENGTH_SHORT)

36..show();

37.finish();//액티비티 종료

38.} else {

39.setContentView(R.layout.main);

40. 

41.progress = (ProgressBar) findViewById(R.id.web_progress);

42. 

43.web = (WebView) findViewById(R.id.web);

44.web.getSettings().setJavaScriptEnabled(true);

45.web.getSettings().setBuiltInZoomControls(true);

46.web.setHorizontalScrollbarOverlay(true);

47.web.setVerticalScrollbarOverlay(true);

48. 

49.web.loadUrl("http://raysoda.com");

50. 

51.web.setWebViewClient(new WebViewClient() {

52.// 링크 클릭에 대한 반응

53.@Override

54.public boolean shouldOverrideUrlLoading(WebView view, String url) {

55.view.loadUrl(url);

56.return true;

57.}

58. 

59.// 웹페이지 호출시 오류 발생에 대한 처리

60.@Override

61.public void onReceivedError(WebView view, int errorcode,

62.String description, String fallingUrl) {

63.Toast.makeText(ProgressBarDemo1.this,

64."오류 : " + description, Toast.LENGTH_SHORT).show();

65.}

66.// 페이지 로딩 시작시 호출

67.@Override

68.public void onPageStarted(WebView view,String url , Bitmap favicon){

69.progress.setVisibility(View.VISIBLE);

70.}

71.//페이지 로딩 종료시 호출

72.public void onPageFinished(WebView view,String Url){

73.progress.setVisibility(View.GONE);

74.}

75.});

76.}

77.}

78.public boolean onKeyDown(int keyCode, KeyEvent event){

79.if(keyCode ==KeyEvent.KEYCODE_BACK && web.canGoBack()){

80.web.goBack();

81.}else if(keyCode ==KeyEvent.KEYCODE_BACK && !web.canGoBack()){

82.Toast.makeText(this, "프로그램 종료!!", Toast.LENGTH_SHORT).show();

83.finish();

84.}

85.return true;

86.}

87.}

출처 : http://gusfree.tistory.com/746