我正在使用App Links允许用户点击我的网站的URL来打开我的应用程序。我想知道如何在WebView中加载URL。
例如,如果用户点击URL:https://www.domain.tld/page1.html,如何将page1.html传递给WebView活动?到目前为止,无论用户使用我的网站的哪个URL,WebView活动都将使用默认的index.html页面加载。为了获得无缝的体验,我希望用户点击打开该URL。
这是我的SplashActivity.java(我正在接收App Link Intent的地方):
package com.application;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
@SuppressWarnings("unused")
public class SplashActivity extends Activity
{
Handler Handler;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_splash);
Handler = new Handler();
Handler.postDelayed(new Runnable()
{
@Override
public void run()
{
Intent intent = new Intent(SplashActivity.this, MainActivity.class);
startActivity(intent);
finish();
}
},
1500);
Intent appLinkIntent = getIntent();
String appLinkAction = appLinkIntent.getAction();
Uri appLinkData = appLinkIntent.getData();
}
}
这是我的MainActivity.java(我在其中加载WebView):
package com.application;
import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.net.Uri;
import android.preference.PreferenceManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.webkit.WebChromeClient;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.Toast;
@SuppressWarnings("deprecation")
public class MainActivity extends AppCompatActivity
{
private WebView WebView;
private ProgressBar ProgressBar;
private LinearLayout LinearLayout;
private String currentURL;
@SuppressLint("SetJavaScriptEnabled")
@Override
protected void onCreate(Bundle savedInstanceState)
{
WebView wv = new WebView(this);
wv.loadUrl("file:///android_asset/eula.html");
wv.getSettings().setJavaScriptEnabled(true);
wv.getSettings().setUserAgentString("customUA");
wv.setWebViewClient(new WebViewClient()
{
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url3)
{
view.loadUrl(url3);
return true;
}
});
final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
boolean agreed = sharedPreferences.getBoolean("agreed",false);
if(!agreed)
{
new AlertDialog.Builder(this, R.style.AlertDialog)
.setIcon(R.drawable.ic_remove_circle_black_24dp)
.setTitle(R.string.eula_title)
.setView(wv)
.setCancelable(false)
.setPositiveButton(R.string.accept, new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putBoolean("agreed", true);
editor.apply();
}
})
.setNegativeButton(R.string.decline, new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
finish();
}
})
.show();
}
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WebView = findViewById(R.id.webView);
ProgressBar = findViewById(R.id.progressBar);
LinearLayout = findViewById(R.id.layout);
ProgressBar.setMax(100);
WebView.loadUrl("https://www.domain.tld/index.html");
WebView.getSettings().setJavaScriptEnabled(true);
WebView.getSettings().setUserAgentString("customUA");
WebView.setWebViewClient(new WebViewClient()
{
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon)
{
LinearLayout.setVisibility(View.VISIBLE);
super.onPageStarted(view, url, favicon);
}
@Override
public void onPageFinished(WebView view, String url)
{
LinearLayout.setVisibility(View.GONE);
super.onPageFinished(view, url);
currentURL = url;
}
@Override
public void onReceivedError(WebView webview, int i, String s, String s1)
{
WebView.setVisibility(View.GONE);
Intent intent = new Intent(MainActivity.this, ErrorActivity.class);
startActivity(intent);
finish();
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url2)
{
if (url2.contains("www.domain.tld"))
{
view.loadUrl(url2);
return false;
} else
{
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url2));
startActivity(intent);
return true;
}
}
});
WebView.setWebChromeClient(new WebChromeClient()
{
@Override
public void onProgressChanged(WebView view, int newProgress)
{
super.onProgressChanged(view, newProgress);
ProgressBar.setProgress(newProgress);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
super.onPrepareOptionsMenu(menu);
MenuInflater menuInflater = getMenuInflater();
menuInflater.inflate(R.menu.menu, menu);
return super.onCreateOptionsMenu(menu);
}
@SuppressLint("SetJavaScriptEnabled")
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
switch (item.getItemId())
{
case R.id.backward:
onBackPressed();
break;
case R.id.forward:
onForwardPressed();
break;
case R.id.refresh:
WebView.reload();
break;
case R.id.share:
Intent shareIntent = new Intent(Intent.ACTION_SEND);
shareIntent.setType("text/plain");
shareIntent.putExtra(Intent.EXTRA_TEXT,currentURL);
startActivity(Intent.createChooser(shareIntent, getResources().getText(R.string.shareWith)));
break;
case R.id.update:
Intent intent = new Intent(MainActivity.this, UpdateActivity.class);
startActivity(intent);
finish();
break;
case R.id.about:
WebView wv2 = new WebView(this);
wv2.loadUrl("file:///android_asset/about.html");
wv2.getSettings().setJavaScriptEnabled(true);
wv2.getSettings().setUserAgentString("customUA");
wv2.setWebViewClient(new WebViewClient()
{
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url4)
{
view.loadUrl(url4);
return true;
}
});
new AlertDialog.Builder(this, R.style.AlertDialog)
.setIcon(R.drawable.ic_info_black_24dp)
.setTitle(R.string.info)
.setView(wv2)
.setPositiveButton(R.string.okay, null)
.show();
break;
case R.id.exit:
new AlertDialog.Builder(this,R.style.AlertDialog)
.setIcon(R.drawable.ic_error_black_24dp)
.setTitle(R.string.title)
.setMessage(R.string.message)
.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
finish();
}
})
.setNegativeButton(R.string.no, null)
.show();
break;
}
return super.onOptionsItemSelected(item);
}
private void onForwardPressed()
{
if (WebView.canGoForward())
{
WebView.goForward();
} else
{
Toast.makeText(this, R.string.noFurther, Toast.LENGTH_SHORT).show();
}
}
@Override
public void onBackPressed ()
{
if (WebView.canGoBack())
{
WebView.goBack();
} else
{
new AlertDialog.Builder(this,R.style.AlertDialog)
.setIcon(R.drawable.ic_error_black_24dp)
.setTitle(R.string.title)
.setMessage(R.string.message)
.setPositiveButton(R.string.yes,
new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
finish();
}
})
.setNegativeButton(R.string.no, null)
.show();
}
}
}
请不要将我指向Android文档示例。我已经读过很多次了,但是,不知道如何修改它以适应我的情况。我对此并不满意,我编写的大部分代码都来自Google搜索。