下面是我的code，该功能正常;但是我想通过我的webview类onbutton click（这应该像保存为书签一样）将文本传递到listview类中，并且我还希望listview在我的webview中打开url onclick
package in.wptrafficanalyzer.listviewdeleteitems;
import java.util.ArrayList;
import android.app.ListActivity;
import android.os.Bundle;
import android.util.SparseBooleanArray;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends ListActivity {
/** Items entered by the user is stored in this ArrayList variable */
ArrayList<String> list = new ArrayList<String>();
/** Declaring an ArrayAdapter to set items to ListView */
ArrayAdapter<String> adapter;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/** Setting a custom layout for the list activity */
setContentView(R.layout.main);
/** Reference to the add button of the layout main.xml */
Button btn = (Button) findViewById(R.id.btnAdd);
/** Reference to the delete button of the layout main.xml */
Button btnDel = (Button) findViewById(R.id.btnDel);
/** Defining the ArrayAdapter to set items to ListView */
adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_multiple_choice, list);
/** Defining a click event listener for the button "Add" */
OnClickListener listener = new OnClickListener() {
@Override
public void onClick(View v) {
EditText edit = (EditText) findViewById(R.id.txtItem);
list.add(edit.getText().toString());
edit.setText("");
adapter.notifyDataSetChanged();
}
};
/** Defining a click event listener for the button "Delete" */
OnClickListener listenerDel = new OnClickListener() {
@Override
public void onClick(View v) {
/** Getting the checked items from the listview */
SparseBooleanArray checkedItemPositions = getListView().getCheckedItemPositions();
int itemCount = getListView().getCount();
for(int i=itemCount-1; i >= 0; i--){
if(checkedItemPositions.get(i)){
adapter.remove(list.get(i));
}
}
checkedItemPositions.clear();
adapter.notifyDataSetChanged();
}
};
/** Setting the event listener for the add button */
btn.setOnClickListener(listener);
/** Setting the event listener for the delete button */
btnDel.setOnClickListener(listenerDel);
/** Setting the adapter to the ListView */
setListAdapter(adapter);
}
}
网页视图
public class MainActivity extends Activity {
private WebView webView;
private EditText urlEditText;
private ProgressBar progress;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
urlEditText = (EditText) findViewById(R.id.abc);
webView = (WebView) findViewById(R.id.webView);
webView.setWebChromeClient(new MyWebViewClient());
CookieManager.getInstance().setAcceptCookie(true);// Enable Cookies
webView.getSettings().setJavaScriptEnabled(true);// Enable Java Script
webView.setWebViewClient(new HelloWebViewClient());
webView.loadUrl("http://www.google.com/"); // Set Home page
webView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);// Remove
// ScrollBars
webView.getSettings().setDefaultFontSize(12);// Set Font Size
webView.getSettings().setLoadsImagesAutomatically(true);// Enable Image
// Loading
webView.getSettings().setPluginState(PluginState.ON);// Enable Flash
// webView.setBackgroundColor(0x00000000);//Transparent Screen When
// Loading
webView.getSettings().setBuiltInZoomControls(true);// Set Zoom Controls
webView.requestFocus(View.FOCUS_DOWN);// Enable WebView Interaction
webView.getSettings().setAppCacheMaxSize(1024 * 1024 * 8);// Set Cache
// (8mb)
String appCachePath = getApplicationContext().getCacheDir()
.getAbsolutePath();// Set Cache (8mb)
webView.getSettings().setAppCachePath(appCachePath);// Set Cache (8mb)
webView.getSettings().setAllowFileAccess(true);// Set Cache (8mb)
webView.getSettings().setAppCacheEnabled(true);// Set Cache (8mb)
webView.getSettings().setCacheMode(WebSettings.LOAD_DEFAULT);// Set
// Cache
// (8mb)
// ////8888888888888888**URL BAR AND PROGRESS
// BAR**888888888888888888888888888888888
progress = (ProgressBar) findViewById(R.id.progressBar);
progress.setMax(100);
Button openUrl = (Button) findViewById(R.id.goButton);
openUrl.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
String url = urlEditText.getText().toString();
if (validateUrl(url)) {
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl(url);
MainActivity.this.progress.setProgress(0);
}
}
private boolean validateUrl(String url) {
return true;
}
});
}
private class MyWebViewClient extends WebChromeClient {
@Override
public void onProgressChanged(WebView view, int newProgress) {
MainActivity.this.setValue(newProgress);
super.onProgressChanged(view, newProgress);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void setValue(int progress) {
this.progress.setProgress(progress);
}
// ////8888888888888888**URL BAR AND PROGRESS
// BAR**888888888888888888888888888888888
class HelloWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView webview, String url) {
webview.loadUrl(url);
return true;
}
}
}
XML
<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/webView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="100dp" />
<Button
android:id="@+id/goButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:text="GO" />
<EditText
android:id="@+id/abc"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:ems="10" >
<requestFocus />
</EditText>
<ProgressBar
android:id="@+id/progressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/goButton"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/progressBar"
android:text="bookmark page" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/button1"
android:layout_alignBottom="@+id/button1"
android:layout_alignParentRight="true"
android:layout_toRightOf="@+id/button1"
android:text="view bookmarks" />
</RelativeLayout>
基本上，我想要的是每当用户点击我的webview类中的“保存为书签”按钮时，它应该将列表视图中的URL添加为新项目，并在用户单击该列表项时在webview中打开该URL