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1 file changed, 225 insertions
CommonWebView.java(file creato)
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| 1 | + | import android.annotation.SuppressLint; | |
| 2 | + | import android.content.Context; | |
| 3 | + | import android.content.DialogInterface; | |
| 4 | + | import android.content.Intent; | |
| 5 | + | import android.net.Uri; | |
| 6 | + | import android.net.http.SslError; | |
| 7 | + | import android.os.Build; | |
| 8 | + | import android.util.AttributeSet; | |
| 9 | + | import android.util.Log; | |
| 10 | + | import android.view.View; | |
| 11 | + | import android.webkit.*; | |
| 12 | + | import android.widget.EditText; | |
| 13 | + | import android.widget.LinearLayout; | |
| 14 | + | import androidx.annotation.NonNull; | |
| 15 | + | import androidx.appcompat.app.AlertDialog; | |
| 16 | + | ||
| 17 | + | import java.io.Serializable; | |
| 18 | + | import java.util.Locale; | |
| 19 | + | ||
| 20 | + | /** | |
| 21 | + | * Created by hp on 2017/8/31. | |
| 22 | + | * 通用WebView | |
| 23 | + | */ | |
| 24 | + | public class CommonWebView extends WebView implements Serializable { | |
| 25 | + | private static String tag = "CommonWebView"; | |
| 26 | + | private static boolean DEBUG = false; | |
| 27 | + | ||
| 28 | + | public CommonWebView(Context context) { | |
| 29 | + | this(context, null); | |
| 30 | + | } | |
| 31 | + | ||
| 32 | + | public CommonWebView(Context context, AttributeSet attrs) { | |
| 33 | + | super(context, attrs); | |
| 34 | + | init(); | |
| 35 | + | } | |
| 36 | + | ||
| 37 | + | public CommonWebView(Context context, AttributeSet attrs, int defStyleAttr) { | |
| 38 | + | super(context, attrs, defStyleAttr); | |
| 39 | + | init(); | |
| 40 | + | } | |
| 41 | + | ||
| 42 | + | private void init() { | |
| 43 | + | // Generic | |
| 44 | + | setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); | |
| 45 | + | setVerticalScrollBarEnabled(false); | |
| 46 | + | setHorizontalScrollBarEnabled(false); | |
| 47 | + | ||
| 48 | + | // WebSettings | |
| 49 | + | WebSettings settings = this.getSettings(); | |
| 50 | + | settings.setDefaultTextEncodingName("utf-8"); | |
| 51 | + | settings.setJavaScriptEnabled(true);//支持js | |
| 52 | + | settings.setDomStorageEnabled(true); | |
| 53 | + | settings.setLoadsImagesAutomatically(true); | |
| 54 | + | ||
| 55 | + | setWebViewClient(new DefaultWebViewClient(getContext())); | |
| 56 | + | setWebChromeClient(new DefaultWebChromeClient()); | |
| 57 | + | } | |
| 58 | + | ||
| 59 | + | @Override | |
| 60 | + | public WebSettings getSettings() { | |
| 61 | + | return super.getSettings(); | |
| 62 | + | } | |
| 63 | + | ||
| 64 | + | /** | |
| 65 | + | * @param object 供JS调用的实例 | |
| 66 | + | * @param name 内部写定为 {@code "android"} | |
| 67 | + | */ | |
| 68 | + | @SuppressLint("JavascriptInterface") | |
| 69 | + | @Override | |
| 70 | + | public void addJavascriptInterface(Object object, String name) { | |
| 71 | + | super.addJavascriptInterface(object, name); | |
| 72 | + | } | |
| 73 | + | ||
| 74 | + | public void registerJSO(Object object) { | |
| 75 | + | addJavascriptInterface(object, "android"); | |
| 76 | + | } | |
| 77 | + | ||
| 78 | + | @Override | |
| 79 | + | public void loadUrl(String url) { | |
| 80 | + | super.loadUrl(url); | |
| 81 | + | System.out.println("loadUrl=" + url); | |
| 82 | + | } | |
| 83 | + | ||
| 84 | + | @Override | |
| 85 | + | public void goBack() { | |
| 86 | + | if (canGoBack()) { | |
| 87 | + | super.goBack(); | |
| 88 | + | } | |
| 89 | + | } | |
| 90 | + | ||
| 91 | + | @Override | |
| 92 | + | public void goForward() { | |
| 93 | + | if (canGoForward()) { | |
| 94 | + | super.goForward(); | |
| 95 | + | } | |
| 96 | + | } | |
| 97 | + | ||
| 98 | + | @Override | |
| 99 | + | public void goBackOrForward(int steps) { | |
| 100 | + | super.goBackOrForward(steps); | |
| 101 | + | } | |
| 102 | + | ||
| 103 | + | public void setDebug(boolean isDebug) { | |
| 104 | + | DEBUG = isDebug; | |
| 105 | + | } | |
| 106 | + | ||
| 107 | + | public static class DefaultWebViewClient extends WebViewClient { | |
| 108 | + | private Context context; | |
| 109 | + | ||
| 110 | + | public DefaultWebViewClient(@NonNull Context context) { | |
| 111 | + | this.context = context; | |
| 112 | + | } | |
| 113 | + | ||
| 114 | + | @Override | |
| 115 | + | public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) { | |
| 116 | + | // New API | |
| 117 | + | // 拦截'tel:'链接 | |
| 118 | + | String targetUrl = request.getUrl().getScheme(); | |
| 119 | + | if (matchSchemes(targetUrl) && context != null) { | |
| 120 | + | Intent intent = new Intent(Intent.ACTION_VIEW, request.getUrl()); | |
| 121 | + | context.startActivity(intent); | |
| 122 | + | return true; | |
| 123 | + | } | |
| 124 | + | return super.shouldOverrideUrlLoading(view, request); | |
| 125 | + | } | |
| 126 | + | ||
| 127 | + | @Override | |
| 128 | + | public boolean shouldOverrideUrlLoading(WebView view, String targetUrl) { | |
| 129 | + | // Old API | |
| 130 | + | // 拦截'tel:'链接 | |
| 131 | + | if (matchSchemes(targetUrl) && context != null) { | |
| 132 | + | Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(targetUrl)); | |
| 133 | + | context.startActivity(intent); | |
| 134 | + | return true; | |
| 135 | + | } | |
| 136 | + | return super.shouldOverrideUrlLoading(view, targetUrl); | |
| 137 | + | } | |
| 138 | + | ||
| 139 | + | @Override | |
| 140 | + | public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) { | |
| 141 | + | String msg = "onReceivedError api-old"; | |
| 142 | + | msg += String.format( | |
| 143 | + | Locale.CHINESE, | |
| 144 | + | ": (%d) %s, %s", | |
| 145 | + | errorCode, | |
| 146 | + | failingUrl, | |
| 147 | + | description | |
| 148 | + | ); | |
| 149 | + | if (DEBUG) Log.e(tag, msg); | |
| 150 | + | } | |
| 151 | + | ||
| 152 | + | @Override | |
| 153 | + | public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) { | |
| 154 | + | String msg = "onReceivedError api-new"; | |
| 155 | + | if (Build.VERSION.SDK_INT >= 23) { | |
| 156 | + | msg += String.format( | |
| 157 | + | Locale.CHINESE, | |
| 158 | + | ": (%d) %s, %s", | |
| 159 | + | error.getErrorCode(), | |
| 160 | + | request.getUrl().toString(), | |
| 161 | + | error.getDescription() | |
| 162 | + | ); | |
| 163 | + | } | |
| 164 | + | if (DEBUG) Log.e(tag, msg); | |
| 165 | + | } | |
| 166 | + | ||
| 167 | + | @Override | |
| 168 | + | public void onReceivedHttpAuthRequest(final WebView view, final HttpAuthHandler handler, final String host, final String realm) { | |
| 169 | + | LinearLayout linearView = new LinearLayout(this.context); | |
| 170 | + | linearView.setOrientation(LinearLayout.VERTICAL); | |
| 171 | + | final EditText nameEdit = new EditText(this.context); | |
| 172 | + | nameEdit.setHint("用户名"); | |
| 173 | + | linearView.addView(nameEdit); | |
| 174 | + | final EditText passEdit = new EditText(this.context); | |
| 175 | + | passEdit.setHint("密码"); | |
| 176 | + | linearView.addView(passEdit); | |
| 177 | + | new AlertDialog.Builder(this.context).setTitle(host) | |
| 178 | + | .setMessage(realm) | |
| 179 | + | .setView(linearView) | |
| 180 | + | .setNegativeButton("确定", new DialogInterface.OnClickListener() { | |
| 181 | + | @Override | |
| 182 | + | public void onClick(DialogInterface dialog, int which) { | |
| 183 | + | handler.proceed(nameEdit.getText().toString().trim(), passEdit.getText().toString().trim()); | |
| 184 | + | } | |
| 185 | + | }) | |
| 186 | + | .setPositiveButton("", new DialogInterface.OnClickListener() { | |
| 187 | + | @Override | |
| 188 | + | public void onClick(DialogInterface dialog, int which) { | |
| 189 | + | handler.cancel(); | |
| 190 | + | } | |
| 191 | + | }) | |
| 192 | + | .create() | |
| 193 | + | .show(); | |
| 194 | + | } | |
| 195 | + | ||
| 196 | + | @Override | |
| 197 | + | public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) { | |
| 198 | + | handler.proceed(); | |
| 199 | + | } | |
| 200 | + | } | |
| 201 | + | ||
| 202 | + | public static class DefaultWebChromeClient extends WebChromeClient { | |
| 203 | + | @Override | |
| 204 | + | public boolean onConsoleMessage(ConsoleMessage consoleMessage) { | |
| 205 | + | if (DEBUG) { | |
| 206 | + | System.out.println(String.format(Locale.CHINESE, "%s---> [%s:Line(%d)] %s", tag, consoleMessage.messageLevel(), consoleMessage.lineNumber(), consoleMessage.message())); | |
| 207 | + | } | |
| 208 | + | return super.onConsoleMessage(consoleMessage); | |
| 209 | + | } | |
| 210 | + | } | |
| 211 | + | ||
| 212 | + | /** | |
| 213 | + | * 匹配链接协议，并匹配冒号间是否带空格 | |
| 214 | + | * <br/><code>tel:</code> | |
| 215 | + | * <br/><code>tel :</code> | |
| 216 | + | */ | |
| 217 | + | private static boolean matchSchemes(String url) { | |
| 218 | + | return url != null && ( | |
| 219 | + | url.startsWith("mailto:") | |
| 220 | + | || url.startsWith("mailto :") | |
| 221 | + | || url.startsWith("tel:") | |
| 222 | + | || url.startsWith("tel :") | |
| 223 | + | ); | |
| 224 | + | } | |
| 225 | + | } | |
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