如何在Webview加载URL之前制作一个闪屏界面?
我的文件:
MainActivity.java SplashActivity.java
splash.xml activity_main.xml
代码 MainActivity.java
public class MainActivity extends Activity {
WebView website;
@SuppressLint("SetJavaScriptEnabled")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().requestFeature(Window.FEATURE_PROGRESS);
setContentView(R.layout.activity_main);
final Activity activity = this;
website = (WebView)findViewById(R.id.webView1);
website.getSettings().setJavaScriptEnabled(true);
website.setWebViewClient(new WebViewClient()
{
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
return false;
}
});
website.setWebChromeClient(new WebChromeClient() {
public void onProgressChanged(WebView view, int progress)
{
activity.setTitle("Loading...");
activity.setProgress(progress * 100);
if(progress == 100)
activity.setTitle(website.getTitle());
WebView browser = (WebView) findViewById(R.id.webView1);
browser.getSettings().setLoadWithOverviewMode(true);
browser.getSettings().setUseWideViewPort(true);
}
});
website.loadUrl("http://*********.com/");
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
请查看SplashActivity.java代码
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import com.jehad4t.stikana.R;
public class SplashActivity extends Activity {
private long splashDelay = 5000; //5 seconds
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.splash);
TimerTask task = new TimerTask()
{
@Override
public void run() {
finish();
Intent mainIntent = new Intent().setClass(SplashActivity.this, MainActivity.class);
startActivity(mainIntent);
}
};
Timer timer = new Timer();
timer.schedule(task, splashDelay);
}
}
代码 splash.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/splash" />
</LinearLayout>
请查看activity_main.xml代码
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity"
>
<WebView
android:id="@+id/webView1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:visibility="gone"
/>
</RelativeLayout>