get favicon

main/assets/about.htm

@@ -18,8 +18,9 @@ p { text-indent:2em; }
 <h3>参考：</h3>
 <p><a href="https://www.jianshu.com/p/6e38e1ef203a" target="_blank">Android WebView 三种文件下载方式</a></p>
 <p><a href="https://blog.csdn.net/lowprofile_coding/article/details/77852131" target="_blank">自动安装apk包</a></p>
+<p><a href="https://stackoverflow.com/questions/3462582/display-the-android-webviews-favicon" target="_blank">获取网页图标</a></p>
 <h3>更新日志：</h3>
-<h3>V3.12 (2019-02-18)</h3><ol><li>支持跨域。</li></ol>
+<h3>V3.12 (2019-02-19)</h3><ol><li>支持跨域。</li><li>获取网页图标。</li></ol>
 <h3>V3.11 (2019-02-13)</h3><ol><li>链接中的关键字屏蔽、高亮可设置。</li></ol>
 <h3>V3.10 (2019-02-10)</h3><ol><li>增加：收藏前修改，收藏后修改，修改校验。</li></ol>
 <h3>V3.9 (2018-12-20)</h3><ol><li>视频独立播放JS读不到iframe里的video，使用跳转iframe代替。</li></ol>

main/java/com/hty/browser/MainActivity.java

@@ -34,7 +34,8 @@ import android.content.pm.PackageManager;
 import android.content.res.Configuration;
 import android.database.Cursor;
 import android.graphics.Bitmap;
-import android.graphics.Color;
+import android.graphics.Matrix;
+import android.graphics.drawable.BitmapDrawable;
 import android.media.MediaScannerConnection;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
@@ -67,6 +68,7 @@ import android.webkit.URLUtil;
 import android.webkit.ValueCallback;
 import android.webkit.WebChromeClient;
 import android.webkit.WebChromeClient.CustomViewCallback;
+import android.webkit.WebIconDatabase;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebView.FindListener;
@@ -85,7 +87,7 @@ import android.widget.Toast;
 public class MainActivity extends Activity {
     TextView findCount;
     EditText editText1, findText;
-    ImageButton btnGo, btnBack, btnForward, btnMenu, findPrev, findNext, findClose;
+    ImageButton btnGo, btnBack, btnForward, btnMenu, findPrev, findNext, findClose, imageButton_info;
     WebView webView1;
     // RelativeLayout RelativeLayout1;
     LinearLayout LinearLayout1, LinearLayout2;
@@ -151,6 +153,7 @@ public class MainActivity extends Activity {
         findPrev = (ImageButton) findViewById(R.id.findPrev);
         findNext = (ImageButton) findViewById(R.id.findNext);
         findClose = (ImageButton) findViewById(R.id.findClose);
+        imageButton_info = (ImageButton) findViewById(R.id.imageButton_info);
         // imageView1.setAlpha(100);
         btnGo.setOnClickListener(new ButtonListener());
         btnBack.setOnClickListener(new ButtonListener());
@@ -162,6 +165,7 @@ public class MainActivity extends Activity {
         findClose.setOnClickListener(new ButtonListener());
         editText1 = (EditText) findViewById(R.id.EditText1);
         webView1 = (WebView) findViewById(R.id.WebView1);
+        WebIconDatabase.getInstance().open(getDir("icons", MODE_PRIVATE).getPath());    //获取favicon图标路径
         registerForContextMenu(webView1);
         // 开启JS
         webView1.getSettings().setJavaScriptEnabled(true);
@@ -222,6 +226,7 @@ public class MainActivity extends Activity {
                 btnBack.setEnabled(true);
                 IMM.hideSoftInputFromWindow(editText1.getWindowToken(), 0);
                 pgb1.setVisibility(View.VISIBLE);
+                imageButton_info.setImageResource(android.R.drawable.ic_menu_info_details);
             }
 
             @Override
@@ -311,6 +316,14 @@ public class MainActivity extends Activity {
                 ptitle = title;
             }
 
+            // 接收网站图标(favicon)
+            public void onReceivedIcon(WebView view, Bitmap icon) {
+                Matrix matrix = new Matrix();
+                matrix.postScale((float)60 / icon.getWidth(), (float)60 / icon.getHeight());
+                Bitmap bitmap = Bitmap.createBitmap(icon, 0, 0, icon.getWidth(), icon.getHeight(), matrix, true);
+                imageButton_info.setImageBitmap(bitmap);
+            }
+
             // 播放网络视频时全屏会被调用的方法
             @Override
             public void onShowCustomView(View view, CustomViewCallback callback) {
@@ -789,7 +802,11 @@ public class MainActivity extends Activity {
                         ET_url.setText(urln);
                         layout.addView(ET_url);
                         AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
-                        builder.setIcon(android.R.drawable.btn_star);
+                        Bitmap icon = webView1.getFavicon();
+                        Matrix matrix = new Matrix();
+                        matrix.postScale((float)100/icon.getWidth(), (float)100/icon.getHeight());
+                        Bitmap bitmap = Bitmap.createBitmap(icon, 0, 0, icon.getWidth(), icon.getHeight(), matrix, true);
+                        builder.setIcon(new BitmapDrawable(getResources(), bitmap));
                         builder.setTitle("添加收藏");
                         builder.setView(layout);
                         builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@@ -813,6 +830,7 @@ public class MainActivity extends Activity {
                                         values.put("website", surl);
                                         values.put("title", stitle);
                                         helper.insert(values);
+                                        IMM.hideSoftInputFromWindow(ET_title.getWindowToken(), 0);
                                     } else {
                                         Toast.makeText(getApplicationContext(), "网址已存在", Toast.LENGTH_SHORT).show();
                                     }
@@ -822,7 +840,6 @@ public class MainActivity extends Activity {
                                         dialog.dismiss();
                                     } catch (Exception ex) {
                                     }
-                                    IMM.hideSoftInputFromWindow(ET_title.getWindowToken(), 0);
                                 } else {
                                     if (stitle.equals("")){
                                         ET_title.setError("标题不能为空！");

main/res/layout/activity_main.xml

@@ -1,5 +1,6 @@
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+                xmlns:app="http://schemas.android.com/apk/res-auto"
+                xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context="com.hty.browser.MainActivity" >
@@ -41,6 +42,15 @@
                 android:background="@null"
                 android:src="@android:drawable/ic_media_ff"/>
 
+            <ImageButton
+                android:id="@+id/imageButton_info"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:adjustViewBounds="false"
+                android:background="@null"
+                android:scaleType="centerInside"
+                android:src="@android:drawable/ic_menu_info_details"/>
+
             <EditText
                 android:id="@+id/EditText1"
                 android:layout_width="fill_parent"