我在Android上学习编程,有没有人知道如何打开我域上不同默认浏览器的链接?
如果有人愿意向我解释如何创建页面刷新菜单以及指示缺少互联网连接的警报。
// *********************************MainActivity.java***************************
package com.infser.venditelo.com;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.MenuInflater;
import android.view.View;
import android.view.Window;
import android.webkit.WebSettings;
import android.webkit.WebSettings.RenderPriority;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
public class MainActivity extends Activity {
// set your custom url here
String url = "http://www.venditelo.com";
// if you want to show progress bar on splash screen
Boolean showProgressOnSplashScreen = true;
WebView mWebView;
ProgressBar prgs;
RelativeLayout splash, main_layout;
@SuppressWarnings("deprecation")
@SuppressLint("SetJavaScriptEnabled")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.getWindow().requestFeature(Window.FEATURE_PROGRESS);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getWindow().setFeatureInt(Window.FEATURE_PROGRESS,
Window.PROGRESS_VISIBILITY_ON);
mWebView = (WebView) findViewById(R.id.wv);
prgs = (ProgressBar) findViewById(R.id.progressBar);
main_layout = (RelativeLayout) findViewById(R.id.main_layout);
// splash screen View
if (!showProgressOnSplashScreen)
((ProgressBar) findViewById(R.id.progressBarSplash)).setVisibility(View.GONE);
splash = (RelativeLayout) findViewById(R.id.splash);
// if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
//
// // get status bar height to push webview below that
// int result = 0;
// int resourceId = getResources().getIdentifier("status_bar_height",
// "dimen", "android");
// if (resourceId > 0) {
// result = getResources().getDimensionPixelSize(resourceId);
// }
//
// // set top padding to status bar
// main_layout.setPadding(0, result, 0, 0);
// }
mWebView.loadUrl(url);
// control javaScript and add html5 features
mWebView.setFocusable(true);
mWebView.setFocusableInTouchMode(true);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.getSettings().setRenderPriority(RenderPriority.HIGH);
mWebView.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
mWebView.getSettings().setDomStorageEnabled(true);
mWebView.getSettings().setAppCacheEnabled(true);
mWebView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
mWebView.getSettings().setDatabaseEnabled(true);
mWebView.getSettings().setDatabasePath(
this.getFilesDir().getPath() + this.getPackageName()
+ "/databases/");
// this force use chromeWebClient
mWebView.getSettings().setSupportMultipleWindows(true);
mWebView.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return false;
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
if (prgs.getVisibility() == View.GONE) {
prgs.setVisibility(View.VISIBLE);
}
}
@Override
public void onLoadResource(WebView view, String url) {
super.onLoadResource(view, url);
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
if (prgs.getVisibility() == View.VISIBLE)
prgs.setVisibility(View.GONE);
// check if splash is still there, get it away!
if (splash.getVisibility() == View.VISIBLE)
splash.setVisibility(View.GONE);
// slideToBottom(splash);
}
});
}
/**
* To animate view slide out from top to bottom
*
* @param view
*/
// void slideToBottom(View view) {
// TranslateAnimation animate = new TranslateAnimation(0, 0, 0,
// view.getHeight());
// animate.setDuration(2000);
// animate.setFillAfter(true);
// view.startAnimation(animate);
// view.setVisibility(View.GONE);
// }
@Override
public boolean onKeyDown(final int keyCode, final KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && mWebView.canGoBack()) {
mWebView.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
}
// *********************************AndroidManifest.xml***************************
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.infser.venditelo.com"
android:installLocation="auto"
android:versionCode="11"
android:versionName="1.1" >
<uses-sdk
android:minSdkVersion="7"
android:targetSdkVersion="21" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:configChanges="orientation|screenSize"
android:label="@string/app_name"
android:screenOrientation="portrait"> <!--ROTAZIONE SCHERMO DISABILITATA-->
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
答案 0 :(得分:0)
字符串值=&#34;访问我的博客http://www.maxartists.com \&#34;&gt; mysite查看myactivity回调&#34;;
tv.setText("www.google.com www.facebook.com www.yahoo.com");
tv.setMovementMethod(LinkMovementMethod.getInstance());;
tv.setText(Html.fromHtml(tv.getText().toString()));
Linkify.addLinks(tv, Linkify.WEB_URLS);
BRANCH="gcc-3_2-branch"
DATE="2002-09-01"
cvs co -r ${BRANCH}point gcc
cvs up -d -j${BRANCH}point -j${BRANCH}:"${DATE}"