A flutter plugin to share text,image,file

.gitignore

@@ -46,6 +46,9 @@ captures/
 # Uncomment the following line if you do not want to check your keystore files in.
 #*.jks
 
+*.idea
+*.packages
+
 # External native build folder generated in Android Studio 2.2 and later
 .externalNativeBuild
 

CHANGELOG.md

@@ -0,0 +1,3 @@
+## 0.0.1
+
+* TODO: Describe initial release.

android/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures

android/build.gradle

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+group 'com.zt.shareextend'
+version '1.0-SNAPSHOT'
+
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.1.2'
+    }
+}
+
+rootProject.allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 27
+
+    defaultConfig {
+        minSdkVersion 16
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+}
+
+dependencies {
+    api 'com.android.support:support-core-utils:27.1.1'
+}

android/gradle.properties

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+org.gradle.jvmargs=-Xmx1536M

android/settings.gradle

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+rootProject.name = 'share_extend'

android/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  package="com.zt.shareextend">
+</manifest>

android/src/main/java/com/zt/shareextend/ShareExtendPlugin.java

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+package com.zt.shareextend;
+
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+import io.flutter.plugin.common.PluginRegistry.Registrar;
+
+import android.content.Intent;
+
+import android.net.Uri;
+import android.support.v4.content.FileProvider;
+
+
+import java.io.File;
+import java.util.Map;
+
+/** Plugin method host for presenting a share sheet via Intent */
+public class ShareExtendPlugin implements MethodChannel.MethodCallHandler {
+
+  private static final String CHANNEL = "share_extend";
+
+  public static void registerWith(Registrar registrar) {
+    MethodChannel channel = new MethodChannel(registrar.messenger(), CHANNEL);
+    ShareExtendPlugin instance = new ShareExtendPlugin(registrar);
+    channel.setMethodCallHandler(instance);
+  }
+
+  private final Registrar mRegistrar;
+
+  private ShareExtendPlugin(Registrar registrar) {
+    this.mRegistrar = registrar;
+  }
+
+  @Override
+  public void onMethodCall(MethodCall call, MethodChannel.Result result) {
+    if (call.method.equals("share")) {
+      if (!(call.arguments instanceof Map)) {
+        throw new IllegalArgumentException("Map argument expected");
+      }
+      // Android does not support showing the share sheet at a particular point on screen.
+      share((String) call.argument("text"),(String) call.argument("type"),(String) call.argument("authorities"));
+      result.success(null);
+    } else {
+      result.notImplemented();
+    }
+  }
+
+  private void share(String text, String type,String authorities) {
+    if (text == null || text.isEmpty()) {
+      throw new IllegalArgumentException("Non-empty text expected");
+    }
+
+    Intent shareIntent = new Intent();
+    shareIntent.setAction(Intent.ACTION_SEND);
+
+    if ("text".equals(type)) {
+      shareIntent.putExtra(Intent.EXTRA_TEXT, text);
+      shareIntent.setType("text/plain");
+    } else {
+      File f = new File(text);
+      Uri uri = FileProvider.getUriForFile(mRegistrar.context(), authorities,f);
+      if ("file".equals(type)) {
+        shareIntent.setType("application/*");
+      }
+      if ("image".equals(type)) {
+        shareIntent.setType("image/*");
+      }
+      shareIntent.putExtra(Intent.EXTRA_STREAM,uri);
+    }
+
+    Intent chooserIntent = Intent.createChooser(shareIntent, null /* dialog title optional */);
+    if (mRegistrar.activity() != null) {
+      mRegistrar.activity().startActivity(chooserIntent);
+    } else {
+      chooserIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+      mRegistrar.context().startActivity(chooserIntent);
+    }
+  }
+}

example/.gitignore

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+# Miscellaneous
+*.class
+*.lock
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# Visual Studio Code related
+.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+.dart_tool/
+.flutter-plugins
+.packages
+.pub-cache/
+.pub/
+build/
+
+# Android related
+**/android/**/gradle-wrapper.jar
+**/android/.gradle
+**/android/captures/
+**/android/gradlew
+**/android/gradlew.bat
+**/android/local.properties
+**/android/**/GeneratedPluginRegistrant.java
+
+# iOS/XCode related
+**/ios/**/*.mode1v3
+**/ios/**/*.mode2v3
+**/ios/**/*.moved-aside
+**/ios/**/*.pbxuser
+**/ios/**/*.perspectivev3
+**/ios/**/*sync/
+**/ios/**/.sconsign.dblite
+**/ios/**/.tags*
+**/ios/**/.vagrant/
+**/ios/**/DerivedData/
+**/ios/**/Icon?
+**/ios/**/Pods/
+**/ios/**/.symlinks/
+**/ios/**/profile
+**/ios/**/xcuserdata
+**/ios/.generated/
+**/ios/Flutter/App.framework
+**/ios/Flutter/Flutter.framework
+**/ios/Flutter/Generated.xcconfig
+**/ios/Flutter/app.flx
+**/ios/Flutter/app.zip
+**/ios/Flutter/flutter_assets/
+**/ios/ServiceDefinitions.json
+**/ios/Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!**/ios/**/default.mode1v3
+!**/ios/**/default.mode2v3
+!**/ios/**/default.pbxuser
+!**/ios/**/default.perspectivev3
+!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages

example/.metadata

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+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 13684e4f8e9edb4c2b2a0fd8e1439f93e6e30fde
+  channel: unknown

example/README.md

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+# share_extend_example
+
+Demonstrates how to use the share_extend plugin.
+
+## Getting Started
+
+For help getting started with Flutter, view our online
+[documentation](https://flutter.io/).

example/android/app/build.gradle

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+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 27
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.zt.shareextendexample"
+        minSdkVersion 19
+        targetSdkVersion 27
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}

example/android/app/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.zt.shareextendexample">
+
+    <!-- The INTERNET permission is required for development. Specifically,
+         flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
+         calls FlutterMain.startInitialization(this); in its onCreate method.
+         In most cases you can leave this as-is, but you if you want to provide
+         additional functionality it is fine to subclass or reimplement
+         FlutterApplication and put your custom class here. -->
+    <application
+        android:name="io.flutter.app.FlutterApplication"
+        android:label="share_extend_example"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- This keeps the window background of the activity showing
+                 until Flutter renders its first frame. It can be removed if
+                 there is no splash screen (such as the default splash screen
+                 defined in @style/LaunchTheme). -->
+            <meta-data
+                android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
+                android:value="true" />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+
+        <provider
+            android:name="android.support.v4.content.FileProvider"
+            android:authorities="com.zt.shareextend.fileprovider"
+            android:grantUriPermissions="true"
+            android:exported="false">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_provider_path" />
+        </provider>
+
+    </application>
+</manifest>

example/android/app/src/main/java/com/zt/shareextendexample/MainActivity.java

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+package com.zt.shareextendexample;
+
+import android.os.Bundle;
+import io.flutter.app.FlutterActivity;
+import io.flutter.plugins.GeneratedPluginRegistrant;
+
+public class MainActivity extends FlutterActivity {
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    GeneratedPluginRegistrant.registerWith(this);
+  }
+}

example/android/app/src/main/res/drawable/launch_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

example/android/app/src/main/res/values/styles.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             Flutter draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+</resources>

example/android/app/src/main/res/xml/file_provider_path.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <paths>
+        <external-path
+            name="external_cache"
+            path="" />
+    </paths>
+</resources>