apk安装器

?? File file = new File(filePath);
?? Intent intent = new Intent();
?? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
?? intent.setAction(Intent.ACTION_VIEW);
?? String type = "application/vnd.android.package-archive";
?? intent.setDataAndType(Uri.fromFile(file), type);
?? startActivity(intent);

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注：filePath为apk路径

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