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50 lines
1.5 KiB
Dart
50 lines
1.5 KiB
Dart
import 'package:flutter/services.dart';
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/// 安装进度事件（原生 PackageInstaller 会话回调经 EventChannel 回传）
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class InstallEvent {
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/// progress / finished / failed
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final String event;
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/// event=progress 时的安装进度 0-100
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final int progress;
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/// event=finished 时是否安装成功
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final bool? success;
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/// event=failed 时的错误描述
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final String? error;
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const InstallEvent({
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required this.event,
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this.progress = 0,
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this.success,
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this.error,
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});
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}
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/// App 内安装 APK：原生侧 PackageInstaller 会话安装（InstallerChannel.kt）
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class ApkInstaller {
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static const _method = MethodChannel('observer/installer');
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static const _progress = EventChannel('observer/installer/progress');
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/// 提交安装。返回 installing（已进入安装流程）/ permission_required
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/// （未允许「安装未知应用」，原生侧已拉起系统设置页）。
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static Future<String> install(String path) =>
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_method.invokeMethod<String>('install', {'path': path}).then(
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(v) => v ?? 'installing',
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);
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/// 安装进度流：progress(0-100) → finished(success) / failed(error)
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static Stream<InstallEvent> progress() {
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return _progress.receiveBroadcastStream().map((e) {
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final m = e as Map;
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return InstallEvent(
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event: m['event'] as String? ?? '',
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progress: (m['progress'] as num?)?.toInt() ?? 0,
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success: m['success'] as bool?,
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error: m['error'] as String?,
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);
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});
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}
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}
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