add support for installing .apk/.apk.1

FCL/src/main/AndroidManifest.xml

@@ -112,6 +112,20 @@
             android:name="com.tungsten.fcllibrary.crash.CrashReportActivity"
             android:configChanges="keyboardHidden|orientation|screenSize|smallestScreenSize|screenLayout|keyboard|navigation"
             android:screenOrientation="sensorLandscape"/>
+        <activity
+            android:name=".activity.InstallActivity"
+            android:exported="true"
+            android:launchMode="singleTask">
+            <intent-filter
+                android:label="@string/install_apk"
+                tools:ignore="AppLinkUrlError">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:mimeType="*/*" />
+                <data android:scheme="content" />
+            </intent-filter>
+        </activity>
         <service
             android:name="com.tungsten.fclcore.download.ProcessService"
             android:process=":processService"

FCL/src/main/java/com/tungsten/fcl/activity/InstallActivity.java

@@ -0,0 +1,28 @@
+package com.tungsten.fcl.activity;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+
+import androidx.annotation.Nullable;
+
+public class InstallActivity extends Activity {
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Uri uri = getIntent().getData();
+        String path = uri != null ? uri.getEncodedPath() : null;
+        if (path != null) {
+            path = path.toLowerCase();
+            if (path.endsWith(".apk") || path.endsWith(".apk.1")) {
+                Intent intent = new Intent(Intent.ACTION_VIEW);
+                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                intent.setDataAndType(uri, "application/vnd.android.package-archive");
+                startActivity(intent);
+            }
+        }
+        finish();
+    }
+}

FCL/src/main/res/values-zh/strings.xml

@@ -905,4 +905,5 @@
     <string name="world_time">yyyy 年 MM 月 dd 日 HH:mm:ss</string>
     <string name="menu_settings_gamepad_aimzone">辅助瞄准区</string>
     <string name="account_failed_expired">凭据已过期，请删除账户重新登录。</string>
+    <string name="install_apk">安装apk文件</string>
 </resources>

FCL/src/main/res/values/strings.xml

@@ -948,4 +948,7 @@
     <string name="world_reveal">Reveal in Explorer</string>
     <string name="world_show_all">Show All</string>
     <string name="world_time">EEE, MMM d, yyyy HH:mm:ss</string>
+
+    <string name="install_apk">Install .apk</string>
+
 </resources>