新增修改地址功能

app/src/main/java/com/nsgk/ruralWeb/FullscreenActivity.java

@@ -1,17 +1,17 @@
 package com.nsgk.ruralWeb;
 
 import android.annotation.SuppressLint;
-
-import androidx.appcompat.app.AppCompatActivity;
-
 import android.os.Bundle;
 import android.view.KeyEvent;
 import android.webkit.WebResourceRequest;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
+import android.widget.EditText;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
 
-import com.nsgk.ruralWeb.databinding.ActivityFullscreenBinding;
 
 /**
  * An example full-screen activity that shows and hides the system UI (i.e.
@@ -21,6 +21,8 @@ public class FullscreenActivity extends AppCompatActivity {
 
     private WebView mWebView;
 
+    private SensorManagerHelper sensorManagerHelper;
+
     @SuppressLint("SetJavaScriptEnabled")
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -37,8 +39,18 @@ public class FullscreenActivity extends AppCompatActivity {
                     return false;
             }
         });
+        EditText textView = new EditText(this);
+
+        AlertDialog alertDialog = new AlertDialog.Builder(this)
+                .setView(textView)
+                .setTitle("修改地址")
+                .setPositiveButton("确定", (dialogInterface, i) -> mWebView.loadUrl("http://"+textView.getText().toString()))
+                .create();
+
 
         mWebView.loadUrl("http://www.baidu.com");
+        sensorManagerHelper = new SensorManagerHelper(this);
+        sensorManagerHelper.setOnShakeListener(alertDialog::show);
     }
 
     @Override

app/src/main/java/com/nsgk/ruralWeb/SensorManagerHelper.java

@@ -0,0 +1,114 @@
+package com.nsgk.ruralWeb;
+
+import android.content.Context;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+
+public class SensorManagerHelper implements SensorEventListener {
+
+    // 速度阈值，当摇晃速度达到这值后产生作用
+    private final int SPEED_SHRESHOLD = 5000;
+    // 两次检测的时间间隔
+    private final int UPTATE_INTERVAL_TIME = 50;
+    // 传感器管理器
+    private SensorManager sensorManager;
+    // 传感器
+    private Sensor sensor;
+    // 重力感应监听器
+    private OnShakeListener onShakeListener;
+    // 上下文对象context
+    private Context context;
+    // 手机上一个位置时重力感应坐标
+    private float lastX;
+    private float lastY;
+    private float lastZ;
+    // 上次检测时间
+    private long lastUpdateTime;
+
+    public SensorManagerHelper(Context context) {
+        this.context = context;
+        start();
+    }
+
+    /**
+     * 开始检测
+     */
+    public void start() {
+        // 获得传感器管理器
+        sensorManager = (SensorManager) context
+                .getSystemService(Context.SENSOR_SERVICE);
+        if (sensorManager != null) {
+            // 获得重力传感器
+            sensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
+        }
+        // 注册
+        if (sensor != null) {
+            sensorManager.registerListener(this, sensor,
+                    SensorManager.SENSOR_DELAY_GAME);
+        }
+    }
+
+    /**
+     * 停止检测
+     */
+    public void stop() {
+        sensorManager.unregisterListener(this);
+    }
+
+    /**
+     * 摇晃监听接口
+     */
+    public interface OnShakeListener {
+        void onShake();
+    }
+
+    /**
+     * 设置重力感应监听器
+     */
+    public void setOnShakeListener(OnShakeListener listener) {
+        onShakeListener = listener;
+    }
+
+    @Override
+    public void onAccuracyChanged(Sensor sensor, int accuracy) {
+    }
+
+    /**
+     * 重力感应器感应获得变化数据
+     * android.hardware.SensorEventListener#onSensorChanged(android.hardware
+     * .SensorEvent)
+     */
+    @Override
+    public void onSensorChanged(SensorEvent event) {
+        // 现在检测时间
+        long currentUpdateTime = System.currentTimeMillis();
+        // 两次检测的时间间隔
+        long timeInterval = currentUpdateTime - lastUpdateTime;
+        // 判断是否达到了检测时间间隔
+        if (timeInterval < UPTATE_INTERVAL_TIME) return;
+        // 现在的时间变成last时间
+        lastUpdateTime = currentUpdateTime;
+        // 获得x,y,z坐标
+        float x = event.values[0];
+        float y = event.values[1];
+        float z = event.values[2];
+        // 获得x,y,z的变化值
+        float deltaX = x - lastX;
+        float deltaY = y - lastY;
+        float deltaZ = z - lastZ;
+        // 将现在的坐标变成last坐标
+        lastX = x;
+        lastY = y;
+        lastZ = z;
+        double speed = Math.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ
+                * deltaZ)
+                / timeInterval * 10000;
+        // 达到速度阀值，发出提示
+        if (speed >= SPEED_SHRESHOLD) {
+            onShakeListener.onShake();
+        }
+    }
+}
+