Android WebView的使用及呼叫第三方瀏覽器開啟網頁
阿新 • • 發佈:2018-12-14
1.編寫佈局
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="com.dejun.commonsdk.WebViewActivity"> <ProgressBar android:id="@+id/commonsdk_webview_pb" android:layout_width="match_parent" android:layout_height="5dp" style="@style/Widget.AppCompat.ProgressBar.Horizontal"/> <WebView android:id="@+id/commonsdk_webview" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#afe"></WebView> </LinearLayout> 2.WebView的使用
public class WebViewActivity extends BaseActivity { private WebView mCommonsdkWebview; private ProgressBar mCommonsdkWebviewPb; public static final String WEB_VIEW_URL="web_view_url"; private String url; public static final int PB_MAX=100;//進度條的最大值 public static void startWenViewActivity(BaseActivity fromActivity,String url){ Bundle bundle=new Bundle(); bundle.putString(WEB_VIEW_URL,url); fromActivity.openActivityWithIntent(WebViewActivity.class,bundle); } @Override protected BasePresenter createPresenter() { return null; } @Override protected void initView() { mCommonsdkWebview = (WebView) findViewById(R.id.commonsdk_webview); mCommonsdkWebviewPb = (ProgressBar) findViewById(R.id.commonsdk_webview_pb); mCommonsdkWebviewPb.setMax(PB_MAX); } @Override protected void initData(Bundle savedInstanceState) { url=getIntent().getStringExtra(WEB_VIEW_URL); mCommonsdkWebview.setWebChromeClient(new WebChromeClient(){ @Override public void onProgressChanged(WebView view, int newProgress) {//設定網頁載入進度 super.onProgressChanged(view, newProgress); if (newProgress>=100){ mCommonsdkWebviewPb.setVisibility(View.GONE); }else{ mCommonsdkWebviewPb.setProgress(newProgress); } } }); mCommonsdkWebview.setWebViewClient(new WebViewClient(){ @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)//android5.0以上手機才有效果 @Override public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) { view.loadUrl(request.getUrl().toString()); return super.shouldOverrideUrlLoading(view, request); } }); WebSettings settings = mCommonsdkWebview.getSettings(); settings.setDomStorageEnabled(true);//這設定儲存 不設定顯示不出來 settings.setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);//沒有網使用快取 settings.setJavaScriptEnabled(true);//設定網頁可操作 settings.setUseWideViewPort(true);//設定檢視可縮放和下面一起設定 似乎沒效果 settings.setLoadWithOverviewMode(true); mCommonsdkWebview.loadUrl(url); } @Override protected int getLayoutId() { return R.layout.activity_web_view; } }