create project

package.json

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+{
+  "name": "cordova-plugin-statusbar-height",
+  "version": "1.0.0",
+  "description": "",
+  "cordova": {
+    "id": "cordova-plugin-statusbar-height",
+    "platforms": [
+      "android",
+      "ios"
+    ]
+  },
+  "keywords": [
+    "ecosystem:cordova",
+    "cordova-android",
+    "cordova-ios"
+  ],
+  "author": "gene.wang",
+  "license": "ISC"
+}

plugin.xml

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+<?xml version='1.0' encoding='utf-8'?>
+<plugin id="cordova-plugin-statusbar-height" version="1.0.0" xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android"><name>StatusBarHeight</name><js-module name="StatusBarHeight" src="www/StatusBarHeight.js"><clobbers target="cordova.plugins.StatusBarHeight" /></js-module><platform name="android"><config-file parent="/*" target="res/xml/config.xml"><feature name="StatusBarHeight"><param name="android-package" value="org.apache.cordova.statusbarheight.StatusBarHeight" /></feature></config-file><config-file parent="/*" target="AndroidManifest.xml" /><source-file src="src/android/StatusBarHeight.java" target-dir="src/org/apache/cordova/statusbarheight" /></platform><platform name="ios"><config-file parent="/*" target="config.xml"><feature name="StatusBarHeight"><param name="ios-package" value="StatusBarHeight" /></feature></config-file><source-file src="src/ios/StatusBarHeight.m" /></platform></plugin>

src/android/StatusBarHeight.java

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+package org.apache.cordova.statusbarheight;
+
+import org.apache.cordova.CordovaPlugin;
+import org.apache.cordova.CallbackContext;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import android.content.res.Resources;
+import android.content.Context;
+
+/**
+ * This class echoes a string called from JavaScript.
+ */
+public class StatusBarHeight extends CordovaPlugin {
+
+    @Override
+    public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
+        // 测试命令
+        if (action.equals("echo")) {
+            String message = args.getString(0);
+            this.echo(message, callbackContext);
+            return true;
+        }
+        
+        // 获取状态栏高度命令
+        if (action.equals("getValue")) {
+          this.getValue(callbackContext);
+          return true;
+        }
+
+        return false;
+    }
+
+    // 测试方法
+    private void echo(String message, CallbackContext callbackContext) {
+        if (message != null && message.length() > 0) {
+            callbackContext.success(message);
+        } else {
+            callbackContext.error("Expected one non-empty string argument.");
+        }
+    }
+
+    // 获取状态栏高度
+    private void getValue(CallbackContext callbackContext) {
+      Context contextApplication = cordova.getActivity().getApplicationContext();
+      Resources resources = contextApplication.getResources();
+      int statusBarHeight = -1;
+      //获取status_bar_height资源的ID
+      int resourceId = resources.getIdentifier("status_bar_height", "dimen","android");
+      if (resourceId > 0) {
+        //根据资源ID获取响应的尺寸值
+        statusBarHeight = resources.getDimensionPixelSize(resourceId);
+        callbackContext.success(statusBarHeight); // 成功回调返回状态栏高度值
+      } else {
+        callbackContext.error("未获取到状态栏高度");
+      }
+    }
+}
+
+

src/ios/StatusBarHeight.m

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+/********* StatusBarHeight.m Cordova Plugin Implementation *******/
+
+#import <Cordova/CDV.h>
+
+@interface StatusBarHeight : CDVPlugin {
+  // Member variables go here.
+}
+
+- (void)echo:(CDVInvokedUrlCommand*)command;
+- (void)getValue:(CDVInvokedUrlCommand*)command;
+@end
+
+@implementation StatusBarHeight
+
+- (void)echo:(CDVInvokedUrlCommand*)command
+{
+    CDVPluginResult* pluginResult = nil;
+    NSString* echo = [command.arguments objectAtIndex:0];
+
+    if (echo != nil && [echo length] > 0) {
+        pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsString:echo];
+    } else {
+        pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR];
+    }
+
+    [self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
+}
+
+- (void)getValue:(CDVInvokedUrlCommand*)command
+{
+	CDVPluginResult* pluginResult = nil;
+	CGRect statusRect = [[UIApplication sharedApplication] statusBarFrame];
+	CGFloat statusBarHeight = statusRect.size.height;
+	pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsInt:statusBarHeight];
+	
+	[self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
+}
+
+@end

www/StatusBarHeight.js

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+var exec = require('cordova/exec');
+
+// 对外开放接, 回调函数接收状态栏高度值, 设备独立像素值
+exports.getValue = function(success, error) {
+    // android px to pd
+    // android 返回px值
+    // ios 返回pt值
+    function pxToPd(value) {
+        var pdr = window.devicePixelRatio;
+        var pd = value / pdr;
+        if (cordova.platformId == 'android') {
+            success(pd)
+        } else {
+            success(value)
+        }
+    }
+    exec(pxToPd, error, 'StatusBarHeight', 'getValue', []);
+}