├── .gitignore ├── .idea ├── codeStyles │ └── Project.xml ├── dbnavigator.xml ├── encodings.xml ├── inspectionProfiles │ └── Project_Default.xml ├── misc.xml ├── modules.xml ├── runConfigurations.xml └── vcs.xml ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro ├── release │ └── output.json └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── example │ │ └── flutterinnative │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── example │ │ │ └── flutterinnative │ │ │ ├── ActivityManager.java │ │ │ ├── FlutterPageActivity.java │ │ │ ├── MainActivity.java │ │ │ ├── MyApplication.java │ │ │ ├── MyFlutterFragment.java │ │ │ └── NativePageActivity.java │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout │ │ ├── activity_flutter_page.xml │ │ ├── activity_main.xml │ │ └── activity_native_page.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.png │ │ └── ic_launcher_round.png │ │ └── values │ │ ├── colors.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── example │ └── flutterinnative │ └── ExampleUnitTest.java ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the ART/Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | out/ 15 | 16 | # Gradle files 17 | .gradle/ 18 | build/ 19 | 20 | # Local configuration file (sdk path, etc) 21 | local.properties 22 | 23 | # Proguard folder generated by Eclipse 24 | proguard/ 25 | 26 | # Log Files 27 | *.log 28 | 29 | # Android Studio Navigation editor temp files 30 | .navigation/ 31 | 32 | # Android Studio captures folder 33 | captures/ 34 | 35 | # IntelliJ 36 | *.iml 37 | .idea/workspace.xml 38 | .idea/tasks.xml 39 | .idea/gradle.xml 40 | .idea/assetWizardSettings.xml 41 | .idea/dictionaries 42 | .idea/libraries 43 | .idea/caches 44 | 45 | # Keystore files 46 | # Uncomment the following line if you do not want to check your keystore files in. 47 | #*.jks 48 | 49 | # External native build folder generated in Android Studio 2.2 and later 50 | .externalNativeBuild 51 | 52 | # Google Services (e.g. APIs or Firebase) 53 | google-services.json 54 | 55 | # Freeline 56 | freeline.py 57 | freeline/ 58 | freeline_project_description.json 59 | 60 | # fastlane 61 | fastlane/report.xml 62 | fastlane/Preview.html 63 | fastlane/screenshots 64 | fastlane/test_output 65 | fastlane/readme.md 66 | -------------------------------------------------------------------------------- /.idea/codeStyles/Project.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 21 | 22 | 26 | 27 | 28 | 29 | 35 | 36 | 37 | 38 | 39 | 45 | 46 | 50 | 51 | 52 | 53 | 55 | 56 | 57 |
58 | 59 | 60 | 61 | xmlns:android 62 | 63 | ^$ 64 | 65 | 66 | 67 |
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69 | 70 | 71 | 72 | xmlns:.* 73 | 74 | ^$ 75 | 76 | 77 | BY_NAME 78 | 79 |
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81 | 82 | 83 | 84 | .*:id 85 | 86 | http://schemas.android.com/apk/res/android 87 | 88 | 89 | 90 |
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92 | 93 | 94 | 95 | .*:name 96 | 97 | http://schemas.android.com/apk/res/android 98 | 99 | 100 | 101 |
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125 | 126 | 127 | 128 | .* 129 | 130 | ^$ 131 | 132 | 133 | BY_NAME 134 | 135 |
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137 | 138 | 139 | 140 | .* 141 | 142 | http://schemas.android.com/apk/res/android 143 | 144 | 145 | ANDROID_ATTRIBUTE_ORDER 146 | 147 |
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149 | 150 | 151 | 152 | .* 153 | 154 | .* 155 | 156 | 157 | BY_NAME 158 | 159 |
160 | 161 | 162 | 163 | 164 | -------------------------------------------------------------------------------- /.idea/dbnavigator.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 | 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 | 200 | 201 | 202 | 203 | 204 | 205 | 206 | 207 | 208 | 209 | 210 | 211 | 212 | 213 | 214 | 215 | 216 | 217 | 218 | 219 | 220 | 221 | 222 | 223 | 224 | 225 | 226 | 227 | 228 | 229 | 230 | 231 | 232 | 233 | 234 | 235 | 236 | 237 | 238 | 239 | 240 | 241 | 242 | 243 | 244 | 245 | 246 | 247 | 248 | 249 | 250 | 251 | 252 | 253 | 254 | 255 | 256 | 257 | 258 | 259 | 260 | 261 | 262 | 263 | 264 | 265 | 266 | 267 | 268 | 269 | 270 | 271 | 272 | 273 | 274 | 275 | 276 | 277 | 278 | 279 | 280 | 281 | 282 | 283 | 284 | 285 | 286 | 287 | 288 | 289 | 290 | 291 | 292 | 293 | 294 | 295 | 296 | 297 | 298 | 299 | 300 | 301 | 302 | 303 | 304 | 305 | 306 | 307 | 308 | 309 | 310 | 311 | 312 | 313 | 314 | 315 | 316 | 317 | 318 | 319 | 320 | 321 | 322 | 323 | 324 | 325 | 326 | 327 | 328 | 329 | 330 | 331 | 332 | 333 | 334 | 335 | 336 | 337 | 338 | 339 | 340 | 341 | 342 | 343 | 344 | 345 | 346 | 347 | 348 | 349 | 350 | 351 | 352 | 353 | 354 | 355 | 356 | 357 | 358 | 359 | 360 | 361 | 362 | 363 | 364 | 365 | 366 | 367 | 368 | 369 | 370 | 371 | 372 | 373 | 374 | 375 | 376 | 377 | 378 | 379 | 380 | 381 | 382 | 383 | 384 | 385 | 386 | 387 | 388 | 389 | 390 | 391 | 392 | 393 | 394 | 395 | 396 | 397 | 398 | 399 | 400 | 401 | 402 | 403 | 404 | 405 | 406 | 407 | 408 | 409 | 410 | 411 | 412 | 413 | 414 | 415 | 416 | 417 | 418 | 419 | 420 | 421 | 422 | 423 | 424 | 425 | 426 | 427 | 428 | 429 | 430 | 431 | 432 | 433 | 434 | 435 | 436 | 437 | 438 | 439 | 440 | 441 | 442 | 443 | 444 | 445 | 446 | 447 | 448 | 449 | 450 | 451 | 452 | 453 | 454 | 455 | 456 | 457 | 458 | -------------------------------------------------------------------------------- /.idea/encodings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | -------------------------------------------------------------------------------- /.idea/inspectionProfiles/Project_Default.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 36 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 18 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # FlutterInNative 2 | Android原生项目引入Flutter 3 | 4 | Flutter Module地址：https://github.com/StephenZKCurry/flutter_module -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 28 5 | defaultConfig { 6 | applicationId "com.example.flutterinnative" 7 | minSdkVersion 19 8 | targetSdkVersion 28 9 | versionCode 1 10 | versionName "1.0" 11 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 12 | } 13 | buildTypes { 14 | release { 15 | minifyEnabled false 16 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 17 | } 18 | } 19 | compileOptions { 20 | sourceCompatibility 1.8 21 | targetCompatibility 1.8 22 | } 23 | } 24 | 25 | dependencies { 26 | implementation fileTree(dir: 'libs', include: ['*.jar']) 27 | implementation 'androidx.appcompat:appcompat:1.1.0' 28 | implementation 'androidx.constraintlayout:constraintlayout:1.1.3' 29 | testImplementation 'junit:junit:4.12' 30 | androidTestImplementation 'androidx.test.ext:junit:1.1.1' 31 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0' 32 | implementation project(':flutter') 33 | } 34 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle. 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile 22 | -------------------------------------------------------------------------------- /app/release/output.json: -------------------------------------------------------------------------------- 1 | [{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":1,"versionName":"1.0","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release"},"path":"app-release.apk","properties":{}}] -------------------------------------------------------------------------------- /app/src/androidTest/java/com/example/flutterinnative/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.example.flutterinnative; 2 | 3 | import android.content.Context; 4 | import androidx.test.platform.app.InstrumentationRegistry; 5 | import androidx.test.ext.junit.runners.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumented test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("com.example.flutterinnative", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 26 | 27 | 28 | 29 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/flutterinnative/ActivityManager.java: -------------------------------------------------------------------------------- 1 | package com.example.flutterinnative; 2 | 3 | import android.app.Activity; 4 | 5 | import java.util.ArrayList; 6 | import java.util.List; 7 | 8 | /** 9 | * desc : Activity栈管理 10 | * author : zhukai 11 | * date : 2020/5/28 12 | */ 13 | public class ActivityManager { 14 | 15 | private static ActivityManager instance; 16 | public List activities = new ArrayList<>(); 17 | 18 | private ActivityManager() { 19 | } 20 | 21 | public static ActivityManager getInstance() { 22 | if (instance == null) { 23 | instance = new ActivityManager(); 24 | } 25 | return instance; 26 | } 27 | 28 | /** 29 | * 结束指定类名的Activity 30 | */ 31 | public void finishActivity(Class cls) { 32 | for (Activity activity : activities) { 33 | if (activity.getClass().equals(cls)) { 34 | activity.finish(); 35 | } 36 | } 37 | } 38 | 39 | /** 40 | * 获得当前的Activity 41 | * 42 | * @return 当前Activity 43 | */ 44 | public Activity currentActivity() { 45 | if (activities.size() > 0) { 46 | return activities.get(activities.size() - 1); 47 | } 48 | return null; 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/flutterinnative/FlutterPageActivity.java: -------------------------------------------------------------------------------- 1 | package com.example.flutterinnative; 2 | 3 | import android.content.Intent; 4 | import android.os.Bundle; 5 | import android.view.ViewGroup; 6 | import android.widget.FrameLayout; 7 | 8 | import androidx.annotation.Nullable; 9 | import androidx.appcompat.app.AppCompatActivity; 10 | 11 | import java.util.HashMap; 12 | import java.util.Map; 13 | 14 | import io.flutter.embedding.android.FlutterFragment; 15 | import io.flutter.embedding.android.FlutterView; 16 | import io.flutter.embedding.engine.FlutterEngine; 17 | import io.flutter.embedding.engine.FlutterEngineCache; 18 | import io.flutter.embedding.engine.dart.DartExecutor; 19 | import io.flutter.plugin.common.MethodChannel; 20 | 21 | /** 22 | * @description: 通过 FlutterView/FlutterFragment 引入 Flutter 编写的页面 23 | * @author: zhukai 24 | * @date: 2019/5/26 14:27 25 | */ 26 | public class FlutterPageActivity extends AppCompatActivity { 27 | 28 | private FlutterEngine flutterEngine; 29 | private FlutterView flutterView; 30 | 31 | private static final String CHANNEL_NATIVE = "com.example.flutter/native"; 32 | private static final String CHANNEL_FLUTTER = "com.example.flutter/flutter"; 33 | 34 | @Override 35 | public void onCreate(Bundle savedInstanceState) { 36 | super.onCreate(savedInstanceState); 37 | 38 | setContentView(R.layout.activity_flutter_page); 39 | 40 | // 创建FlutterEngine对象 41 | flutterEngine = createFlutterEngine(); 42 | 43 | // 通过FlutterView引入Flutter编写的页面 44 | // flutterView = new FlutterView(this); 45 | // FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 46 | // ViewGroup.LayoutParams.MATCH_PARENT); 47 | // FrameLayout flContainer = findViewById(R.id.fl_container); 48 | // flContainer.addView(flutterView, lp); 49 | // flutterView.attachToFlutterEngine(flutterEngine); 50 | 51 | // 通过FlutterFragment引入Flutter编写的页面 52 | FlutterFragment flutterFragment = FlutterFragment.withCachedEngine("my_engine_id") 53 | .build(); 54 | getSupportFragmentManager() 55 | .beginTransaction() 56 | .add(R.id.fl_container, flutterFragment) 57 | .commit(); 58 | 59 | MethodChannel nativeChannel = new MethodChannel(flutterEngine.getDartExecutor(), CHANNEL_NATIVE); 60 | nativeChannel.setMethodCallHandler((methodCall, result) -> { 61 | switch (methodCall.method) { 62 | case "goBack": 63 | // 返回上一页 64 | finish(); 65 | break; 66 | case "goBackWithResult": 67 | // 返回上一页，携带数据 68 | Intent backIntent = new Intent(); 69 | backIntent.putExtra("message", (String) methodCall.argument("message")); 70 | setResult(RESULT_OK, backIntent); 71 | finish(); 72 | break; 73 | case "jumpToNative": 74 | // 跳转原生页面 75 | Intent jumpToNativeIntent = new Intent(this, NativePageActivity.class); 76 | jumpToNativeIntent.putExtra("name", (String) methodCall.argument("name")); 77 | startActivityForResult(jumpToNativeIntent, 0); 78 | break; 79 | default: 80 | result.notImplemented(); 81 | break; 82 | } 83 | }); 84 | } 85 | 86 | /** 87 | * 创建可缓存的FlutterEngine 88 | * 89 | * @return 90 | */ 91 | private FlutterEngine createFlutterEngine() { 92 | // 实例化FlutterEngine对象 93 | FlutterEngine flutterEngine = new FlutterEngine(this); 94 | // 设置初始路由 95 | flutterEngine.getNavigationChannel().setInitialRoute("route1?{\"name\":\"" + getIntent().getStringExtra("name") + "\"}"); 96 | // 开始执行dart代码来pre-warm FlutterEngine 97 | flutterEngine.getDartExecutor().executeDartEntrypoint( 98 | DartExecutor.DartEntrypoint.createDefault() 99 | ); 100 | // 缓存FlutterEngine 101 | FlutterEngineCache.getInstance().put("my_engine_id", flutterEngine); 102 | return flutterEngine; 103 | } 104 | 105 | @Override 106 | protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { 107 | super.onActivityResult(requestCode, resultCode, data); 108 | if (requestCode == 0 && resultCode == RESULT_OK) { 109 | if (data != null) { 110 | String message = data.getStringExtra("message"); 111 | Map result = new HashMap<>(); 112 | result.put("message", message); 113 | // 创建MethodChannel 114 | MethodChannel flutterChannel = new MethodChannel(flutterEngine.getDartExecutor(), CHANNEL_FLUTTER); 115 | flutterChannel.invokeMethod("onActivityResult", result); 116 | } 117 | } 118 | } 119 | 120 | @Override 121 | public void onBackPressed() { 122 | MethodChannel flutterChannel = new MethodChannel(flutterEngine.getDartExecutor(), CHANNEL_FLUTTER); 123 | flutterChannel.invokeMethod("goBack", null); 124 | } 125 | 126 | @Override 127 | protected void onResume() { 128 | super.onResume(); 129 | flutterEngine.getLifecycleChannel().appIsResumed(); 130 | } 131 | 132 | @Override 133 | protected void onPause() { 134 | super.onPause(); 135 | flutterEngine.getLifecycleChannel().appIsInactive(); 136 | } 137 | 138 | @Override 139 | protected void onStop() { 140 | super.onStop(); 141 | flutterEngine.getLifecycleChannel().appIsPaused(); 142 | } 143 | 144 | @Override 145 | protected void onDestroy() { 146 | if (flutterView != null) { 147 | flutterView.detachFromFlutterEngine(); 148 | } 149 | super.onDestroy(); 150 | } 151 | } 152 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/flutterinnative/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.example.flutterinnative; 2 | 3 | import android.app.Activity; 4 | import android.content.Intent; 5 | 6 | import androidx.annotation.Nullable; 7 | import androidx.appcompat.app.AppCompatActivity; 8 | 9 | import android.os.Bundle; 10 | import android.widget.Button; 11 | import android.widget.EditText; 12 | import android.widget.Toast; 13 | 14 | import java.util.HashMap; 15 | import java.util.Map; 16 | 17 | import io.flutter.embedding.android.FlutterActivity; 18 | import io.flutter.embedding.engine.FlutterEngine; 19 | import io.flutter.embedding.engine.FlutterEngineCache; 20 | import io.flutter.embedding.engine.dart.DartExecutor; 21 | import io.flutter.plugin.common.MethodChannel; 22 | 23 | public class MainActivity extends AppCompatActivity { 24 | 25 | private EditText etName; 26 | 27 | private FlutterEngine flutterEngine; 28 | 29 | private static final String CHANNEL_NATIVE = "com.example.flutter/native"; 30 | private static final String CHANNEL_FLUTTER = "com.example.flutter/flutter"; 31 | 32 | @Override 33 | protected void onCreate(Bundle savedInstanceState) { 34 | super.onCreate(savedInstanceState); 35 | setContentView(R.layout.activity_main); 36 | 37 | etName = findViewById(R.id.et_name); 38 | 39 | Button btnJumpToFlutterUseActivity = findViewById(R.id.btn_jump_to_flutter_use_activity); 40 | btnJumpToFlutterUseActivity.setOnClickListener(v -> { 41 | // 创建FlutterEngine对象 42 | flutterEngine = createFlutterEngine(); 43 | // 创建MethodChannel 44 | createMethodChannel(); 45 | // 跳转FlutterActivity 46 | startActivity( 47 | FlutterActivity 48 | .withCachedEngine("my_engine_id") 49 | .build(this) 50 | ); 51 | }); 52 | 53 | Button btnJumpToFlutterUseFragment = findViewById(R.id.btn_jump_to_flutter_use_fragment); 54 | btnJumpToFlutterUseFragment.setOnClickListener(v -> { 55 | Intent intent = new Intent(MainActivity.this, FlutterPageActivity.class); 56 | intent.putExtra("name", etName.getText().toString()); 57 | startActivityForResult(intent, 0); 58 | }); 59 | } 60 | 61 | @Override 62 | protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { 63 | super.onActivityResult(requestCode, resultCode, data); 64 | if (requestCode == 0 && resultCode == RESULT_OK) { 65 | Toast.makeText(this, data.getStringExtra("message"), Toast.LENGTH_SHORT).show(); 66 | } 67 | } 68 | 69 | private FlutterEngine createFlutterEngine() { 70 | // 实例化FlutterEngine对象 71 | FlutterEngine flutterEngine = new FlutterEngine(this); 72 | // 设置初始路由 73 | flutterEngine.getNavigationChannel().setInitialRoute("route1?{\"name\":\"" + etName.getText().toString() + "\"}"); 74 | // 开始执行dart代码来pre-warm FlutterEngine 75 | flutterEngine.getDartExecutor().executeDartEntrypoint( 76 | DartExecutor.DartEntrypoint.createDefault() 77 | ); 78 | // 缓存FlutterEngine 79 | FlutterEngineCache.getInstance().put("my_engine_id", flutterEngine); 80 | return flutterEngine; 81 | } 82 | 83 | private void createMethodChannel() { 84 | MethodChannel nativeChannel = new MethodChannel(flutterEngine.getDartExecutor(), CHANNEL_NATIVE); 85 | nativeChannel.setMethodCallHandler((methodCall, result) -> { 86 | switch (methodCall.method) { 87 | case "goBackWithResult": 88 | // 返回上一页，携带数据 89 | ActivityManager.getInstance().finishActivity(FlutterActivity.class); 90 | Toast.makeText(this, (String) methodCall.argument("message"), Toast.LENGTH_SHORT).show(); 91 | break; 92 | case "jumpToNative": 93 | // 跳转原生页面 94 | Activity currentActivity = ActivityManager.getInstance().currentActivity(); 95 | Intent jumpToNativeIntent = new Intent(currentActivity, NativePageActivity.class); 96 | jumpToNativeIntent.putExtra("name", (String) methodCall.argument("name")); 97 | jumpToNativeIntent.putExtra("isFromFlutterActivity", true); 98 | startActivityForResult(jumpToNativeIntent, 1); 99 | break; 100 | default: 101 | result.notImplemented(); 102 | break; 103 | } 104 | }); 105 | } 106 | 107 | public void setResult(String message) { 108 | Map result = new HashMap<>(); 109 | result.put("message", message); 110 | // 创建MethodChannel 111 | MethodChannel flutterChannel = new MethodChannel(flutterEngine.getDartExecutor(), CHANNEL_FLUTTER); 112 | flutterChannel.invokeMethod("onActivityResult", result); 113 | } 114 | } 115 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/flutterinnative/MyApplication.java: -------------------------------------------------------------------------------- 1 | package com.example.flutterinnative; 2 | 3 | import android.app.Activity; 4 | import android.app.Application; 5 | import android.os.Bundle; 6 | 7 | import io.flutter.embedding.engine.FlutterEngine; 8 | import io.flutter.embedding.engine.FlutterEngineCache; 9 | import io.flutter.embedding.engine.dart.DartExecutor; 10 | 11 | /** 12 | * desc : 全局Application 13 | * author : zhukai 14 | * date : 2020/4/5 15 | */ 16 | public class MyApplication extends Application { 17 | 18 | private static FlutterEngine mFlutterEngine; 19 | 20 | @Override 21 | public void onCreate() { 22 | super.onCreate(); 23 | // 实例化FlutterEngine对象 24 | mFlutterEngine = new FlutterEngine(this); 25 | // 设置初始路由 26 | mFlutterEngine.getNavigationChannel().setInitialRoute("route1"); 27 | // 开始执行dart代码来pre-warm FlutterEngine 28 | mFlutterEngine.getDartExecutor().executeDartEntrypoint( 29 | DartExecutor.DartEntrypoint.createDefault() 30 | ); 31 | // 缓存FlutterEngine 32 | FlutterEngineCache 33 | .getInstance() 34 | .put("my_engine_id", mFlutterEngine); 35 | 36 | registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks() { 37 | @Override 38 | public void onActivityCreated(Activity activity, Bundle savedInstanceState) { 39 | ActivityManager.getInstance().activities.add(activity); 40 | } 41 | 42 | @Override 43 | public void onActivityStarted(Activity activity) { 44 | 45 | } 46 | 47 | @Override 48 | public void onActivityResumed(Activity activity) { 49 | 50 | } 51 | 52 | @Override 53 | public void onActivityPaused(Activity activity) { 54 | 55 | } 56 | 57 | @Override 58 | public void onActivityStopped(Activity activity) { 59 | 60 | } 61 | 62 | @Override 63 | public void onActivitySaveInstanceState(Activity activity, Bundle outState) { 64 | 65 | } 66 | 67 | @Override 68 | public void onActivityDestroyed(Activity activity) { 69 | ActivityManager.getInstance().activities.remove(activity); 70 | } 71 | }); 72 | } 73 | 74 | public static FlutterEngine getFlutterEngine() { 75 | return mFlutterEngine; 76 | } 77 | } 78 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/flutterinnative/MyFlutterFragment.java: -------------------------------------------------------------------------------- 1 | package com.example.flutterinnative; 2 | 3 | import android.app.Activity; 4 | import android.content.Context; 5 | import android.content.Intent; 6 | import android.os.Bundle; 7 | import androidx.annotation.NonNull; 8 | import androidx.annotation.Nullable; 9 | import android.view.View; 10 | 11 | import io.flutter.embedding.android.FlutterFragment; 12 | import io.flutter.embedding.engine.FlutterEngine; 13 | import io.flutter.plugin.common.MethodChannel; 14 | 15 | /** 16 | * @description: 自定义FlutterFragment 17 | * @author: zhukai 18 | * @date: 2019/6/3 10:29 19 | */ 20 | public class MyFlutterFragment extends FlutterFragment { 21 | 22 | private static FlutterEngine mFlutterEngine; 23 | private static final String CHANNEL_NATIVE = "com.example.flutter/native"; 24 | 25 | public static MyFlutterFragment newInstance(String initialRoute, FlutterEngine flutterEngine) { 26 | MyFlutterFragment fragment = new MyFlutterFragment(); 27 | Bundle args = new Bundle(); 28 | args.putString(ARG_INITIAL_ROUTE, initialRoute); 29 | fragment.setArguments(args); 30 | mFlutterEngine = flutterEngine; 31 | return fragment; 32 | } 33 | 34 | @Override 35 | public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) { 36 | super.onViewCreated(view, savedInstanceState); 37 | // 这里保证了getView()返回值不为null 38 | MethodChannel nativeChannel = new MethodChannel(getFlutterEngine().getDartExecutor(), CHANNEL_NATIVE); 39 | nativeChannel.setMethodCallHandler((methodCall, result) -> { 40 | switch (methodCall.method) { 41 | case "goBack": 42 | // 返回上一页 43 | getActivity().finish(); 44 | break; 45 | case "goBackWithResult": 46 | // 返回上一页，携带数据 47 | Intent backIntent = new Intent(); 48 | backIntent.putExtra("message", (String) methodCall.argument("message")); 49 | getActivity().setResult(Activity.RESULT_OK, backIntent); 50 | getActivity().finish(); 51 | break; 52 | case "jumpToNative": 53 | // 跳转原生页面 54 | Intent jumpToNativeIntent = new Intent(getActivity(), NativePageActivity.class); 55 | jumpToNativeIntent.putExtra("name", (String) methodCall.argument("name")); 56 | startActivityForResult(jumpToNativeIntent, 0); 57 | break; 58 | default: 59 | result.notImplemented(); 60 | break; 61 | } 62 | }); 63 | } 64 | 65 | @Nullable 66 | @Override 67 | public FlutterEngine provideFlutterEngine(@NonNull Context context) { 68 | return mFlutterEngine; 69 | } 70 | } 71 | -------------------------------------------------------------------------------- /app/src/main/java/com/example/flutterinnative/NativePageActivity.java: -------------------------------------------------------------------------------- 1 | package com.example.flutterinnative; 2 | 3 | import android.content.Intent; 4 | import android.os.Bundle; 5 | 6 | import androidx.annotation.Nullable; 7 | import androidx.appcompat.app.AppCompatActivity; 8 | 9 | import android.widget.Button; 10 | import android.widget.TextView; 11 | 12 | /** 13 | * @description: Android原生页面 14 | * @author: zhukai 15 | * @date: 2019/5/28 14:31 16 | */ 17 | public class NativePageActivity extends AppCompatActivity { 18 | 19 | private TextView tvText; 20 | private Button btnBack; 21 | 22 | @Override 23 | protected void onCreate(@Nullable Bundle savedInstanceState) { 24 | super.onCreate(savedInstanceState); 25 | setContentView(R.layout.activity_native_page); 26 | 27 | tvText = findViewById(R.id.tv_text); 28 | // Flutter页面传过来的参数 29 | tvText.setText("Flutter页面传过来的参数：name=" + getIntent().getStringExtra("name")); 30 | 31 | btnBack = findViewById(R.id.btn_back); 32 | btnBack.setOnClickListener(v -> { 33 | if (getIntent().getBooleanExtra("isFromFlutterActivity", false)) { 34 | // 上一个页面是FlutterActivity 35 | MainActivity mainActivity = (MainActivity) ActivityManager.getInstance().activities.get(0); 36 | mainActivity.setResult("我从原生页面回来了"); 37 | } else { 38 | // 上一个页面是FlutterPageActivity 39 | Intent intent = new Intent(); 40 | intent.putExtra("message", "我从原生页面回来了"); 41 | setResult(RESULT_OK, intent); 42 | } 43 | finish(); 44 | }); 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_flutter_page.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 14 | 15 | 22 | 23 |