android support! thanks to TachiWeb devs.

AndroidCompat/src/main/java/android/content/pm/InstantAppInfo.java

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+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.content.pm;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.graphics.drawable.Drawable;
+import android.os.Parcel;
+import android.os.Parcelable;
+import kotlin.NotImplementedError;
+
+/**
+ * This class represents the state of an instant app. Instant apps can
+ * be installed or uninstalled. If the app is installed you can call
+ * {@link #getApplicationInfo()} to get the app info, otherwise this
+ * class provides APIs to get basic app info for showing it in the UI,
+ * such as permissions, label, package name.
+ *
+ * @hide
+ */
+@SystemApi
+public final class InstantAppInfo implements Parcelable {
+    private final ApplicationInfo mApplicationInfo;
+    private final String mPackageName;
+    private final CharSequence mLabelText;
+    private final String[] mRequestedPermissions;
+    private final String[] mGrantedPermissions;
+    public InstantAppInfo(ApplicationInfo appInfo,
+            String[] requestedPermissions, String[] grantedPermissions) {
+        mApplicationInfo = appInfo;
+        mPackageName = null;
+        mLabelText = null;
+        mRequestedPermissions = requestedPermissions;
+        mGrantedPermissions = grantedPermissions;
+    }
+    public InstantAppInfo(String packageName, CharSequence label,
+            String[] requestedPermissions, String[] grantedPermissions) {
+        mApplicationInfo = null;
+        mPackageName = packageName;
+        mLabelText = label;
+        mRequestedPermissions = requestedPermissions;
+        mGrantedPermissions = grantedPermissions;
+    }
+    private InstantAppInfo(Parcel parcel) {
+        throw new NotImplementedError();
+    }
+    /**
+     * @return The application info if the app is installed,
+     *     <code>null</code> otherwise,
+     */
+    public @Nullable ApplicationInfo getApplicationInfo() {
+        return mApplicationInfo;
+    }
+    /**
+     * @return The package name.
+     */
+    public @NonNull String getPackageName() {
+        if (mApplicationInfo != null) {
+            return mApplicationInfo.packageName;
+        }
+        return mPackageName;
+    }
+    /**
+     * @param packageManager Package manager for loading resources.
+     * @return Loads the label if the app is installed or returns the cached one otherwise.
+     */
+    public @NonNull CharSequence loadLabel(@NonNull PackageManager packageManager) {
+        if (mApplicationInfo != null) {
+            return mApplicationInfo.loadLabel(packageManager);
+        }
+        return mLabelText;
+    }
+    /**
+     * @param packageManager Package manager for loading resources.
+     * @return Loads the icon if the app is installed or returns the cached one otherwise.
+     */
+    public @NonNull Drawable loadIcon(@NonNull PackageManager packageManager) {
+        if (mApplicationInfo != null) {
+            return mApplicationInfo.loadIcon(packageManager);
+        }
+        return packageManager.getInstantAppIcon(mPackageName);
+    }
+    /**
+     * @return The requested permissions.
+     */
+    public @Nullable String[] getRequestedPermissions() {
+        return mRequestedPermissions;
+    }
+    /**
+     * @return The granted permissions.
+     */
+    public @Nullable String[] getGrantedPermissions() {
+        return mGrantedPermissions;
+    }
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+    @Override
+    public void writeToParcel(Parcel parcel, int flags) {
+        throw new NotImplementedError();
+    }
+    public static final Creator<InstantAppInfo> CREATOR =
+            new Creator<InstantAppInfo>() {
+        @Override
+        public InstantAppInfo createFromParcel(Parcel parcel) {
+            return new InstantAppInfo(parcel);
+        }
+        @Override
+        public InstantAppInfo[] newArray(int size) {
+            return new InstantAppInfo[0];
+        }
+    };
+}