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Saving of WebView state

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This commit is contained in:
GaidamakUA 2015-07-28 12:18:12 +03:00
parent ec63970bde
commit 362aecfc7a
1 changed files with 52 additions and 36 deletions
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82
OsmAnd/src/net/osmand/plus/activities/HelpActivity.java
View file

@ -1,21 +1,27 @@
package net.osmand.plus.activities; package net.osmand.plus.activities;
import android.annotation.SuppressLint;
import android.content.pm.ActivityInfo;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import net.osmand.plus.OsmandApplication;
import net.osmand.plus.R;
import net.osmand.plus.helpers.AndroidUiHelper;
import java.io.BufferedReader; import java.io.BufferedReader;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import android.annotation.SuppressLint;
import android.content.pm.ActivityInfo;
import android.os.Build;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.widget.Toolbar;
import android.view.*;
import net.osmand.plus.OsmandApplication;
import net.osmand.plus.R;
import net.osmand.plus.helpers.AndroidUiHelper;
import android.os.Bundle;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class HelpActivity extends OsmandActionBarActivity { public class HelpActivity extends OsmandActionBarActivity {
@ -27,7 +33,7 @@ public class HelpActivity extends OsmandActionBarActivity {
private static final int BACK = 2; private static final int BACK = 2;
private static final int FORWARD = 3; private static final int FORWARD = 3;
private static final int CLOSE = 4; private static final int CLOSE = 4;
private WebView wv; private WebView mWebView;
@SuppressLint("NewApi") @SuppressLint("NewApi")
@Override @Override
@ -53,30 +59,30 @@ public class HelpActivity extends OsmandActionBarActivity {
} }
getSupportActionBar().setTitle(title); getSupportActionBar().setTitle(title);
setContentView(R.layout.help_activity); setContentView(R.layout.help_activity);
wv = (WebView) findViewById(R.id.webView); mWebView = (WebView) findViewById(R.id.webView);
wv.setFocusable(true); mWebView.setFocusable(true);
wv.setFocusableInTouchMode(true); mWebView.setFocusableInTouchMode(true);
wv.requestFocus(View.FOCUS_DOWN); mWebView.requestFocus(View.FOCUS_DOWN);
wv.setOnTouchListener(new View.OnTouchListener() { mWebView.setOnTouchListener(new View.OnTouchListener() {
@Override @Override
public boolean onTouch(View v, MotionEvent event) { public boolean onTouch(View view, MotionEvent event) {
switch (event.getAction()) { switch (event.getAction()) {
case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_UP: case MotionEvent.ACTION_UP:
if (!v.hasFocus()) { if (!view.hasFocus()) {
v.requestFocus(); view.requestFocus();
} }
break; break;
} }
return false; return false;
} }
}); });
wv.setWebViewClient(new WebViewClient() { mWebView.setWebViewClient(new WebViewClient() {
@Override @Override
public void onPageFinished(WebView view, String url) { public void onPageFinished(WebView view, String url) {
wv.requestFocus(View.FOCUS_DOWN); mWebView.requestFocus(View.FOCUS_DOWN);
} }
@Override @Override
@ -84,7 +90,17 @@ public class HelpActivity extends OsmandActionBarActivity {
super.onLoadResource(view, url); super.onLoadResource(view, url);
} }
}); });
wv.loadUrl(FILE_ANDROID_ASSET_HELP + url); if (savedInstanceState != null) {
mWebView.restoreState(savedInstanceState);
} else {
mWebView.loadUrl(FILE_ANDROID_ASSET_HELP + url);
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
mWebView.saveState(outState);
super.onSaveInstanceState(outState);
} }
public String readContent(String url) throws IOException { public String readContent(String url) throws IOException {
@ -133,16 +149,16 @@ public class HelpActivity extends OsmandActionBarActivity {
finish(); finish();
return true; return true;
case HOME: case HOME:
wv.loadUrl(FILE_ANDROID_ASSET_HELP + "index.html"); mWebView.loadUrl(FILE_ANDROID_ASSET_HELP + "index.html");
return true; return true;
case BACK: case BACK:
if(wv.canGoBack()) { if(mWebView.canGoBack()) {
wv.goBack(); mWebView.goBack();
} }
return true; return true;
case FORWARD: case FORWARD:
if(wv.canGoForward()) { if(mWebView.canGoForward()) {
wv.goForward(); mWebView.goForward();
} }
return true; return true;
case CLOSE: case CLOSE: