init

.gitignore

@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

README.md

@@ -1,2 +1,7 @@
 # gps-speed
 安卓APP 使用GPS 获取当前的移动速度
+
+
+
+
+![这是图片](https://github.com/WangSunio/img/blob/main/images/speed.png)

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    namespace 'wz.notifi'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "wz.notifi"
+        minSdk 31
+        targetSdk 33
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    buildFeatures {
+        viewBinding true
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
+    implementation 'androidx.navigation:navigation-fragment:2.4.1'
+    implementation 'androidx.navigation:navigation-ui:2.4.1'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/wz/notifi/ExampleInstrumentedTest.java

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+package wz.notifi;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("wz.notifi", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+    <!--    GPS-->
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <!--    通知-->
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Notifi"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.Notifi.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/wz/notifi/FirstFragment.java

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+package wz.notifi;
+
+
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
+import wz.notifi.databinding.FragmentFirstBinding;
+
+public class FirstFragment extends Fragment implements SpeedometerUtil.OnSpeedChangeListener {
+
+
+    private FragmentFirstBinding binding;
+
+    private SpeedometerUtil speedometerUtil;
+
+
+    @Override
+    public void onSpeedChanged(float speed) {
+        // Do something with the speed in the fragment
+        Log.d("Speedometer", "Current speed: " + speed + " km/h");
+        binding.speedText.setText(speed+" km/h");
+    }
+
+
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState
+    ) {
+
+        binding = FragmentFirstBinding.inflate(inflater, container, false);
+        return binding.getRoot();
+
+    }
+
+    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        // 测试switch
+        binding.switchSpeed.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                boolean testSpeedState = binding.switchSpeed.isChecked();
+
+                testSpeed(testSpeedState);
+                Toast.makeText(getContext(), "GPS测速: " + (testSpeedState ? "开启" : "关闭"), Toast.LENGTH_SHORT).show();
+            }
+        });
+        // 播报switch
+        binding.readSpeed.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                boolean readSpeedState = binding.readSpeed.isChecked();
+                readSpeed(readSpeedState);
+                Toast.makeText(getContext(), "播报: " + (readSpeedState ? "开启" : "关闭"), Toast.LENGTH_SHORT).show();
+            }
+        });
+
+    }
+
+
+    // 测速
+    public void testSpeed(boolean isOepn) {
+        if (isOepn) {
+            binding.speedText.setText("开始");
+
+            speedometerUtil = new SpeedometerUtil(requireContext());
+            speedometerUtil.setOnSpeedChangeListener(this);
+            speedometerUtil.startListeningForSpeedUpdates();
+        } else {
+            binding.speedText.setText("结束");
+            speedometerUtil.stopListeningForSpeedUpdates();
+        }
+    }
+
+    // 播报
+    public void readSpeed(boolean isOepn) {
+        if (isOepn) {
+            binding.speedText.setText("开始");
+        } else {
+            binding.speedText.setText("结束");
+        }
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        binding = null;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        speedometerUtil.stopListeningForSpeedUpdates();
+    }
+
+}