Adding initial implementation of Prediction client/service API
Test: Build sample app, ensure that app prediction service gets client
requests
Bug: 111701043
Change-Id: I33aceb2de31552b2d740dc333559d68728753e40
Signed-off-by: Winson Chung <winsonc@google.com>
diff --git a/core/java/android/app/prediction/AppPredictionContext.java b/core/java/android/app/prediction/AppPredictionContext.java
new file mode 100644
index 0000000..87ccb66
--- /dev/null
+++ b/core/java/android/app/prediction/AppPredictionContext.java
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2018 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.app.prediction;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.content.Context;
+import android.os.Bundle;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * TODO(b/111701043): Add java docs
+ *
+ * @hide
+ */
+@SystemApi
+public final class AppPredictionContext implements Parcelable {
+
+ private final int mPredictedTargetCount;
+ @NonNull
+ private final String mUiSurface;
+ @NonNull
+ private final String mPackageName;
+ @Nullable
+ private final Bundle mExtras;
+
+ private AppPredictionContext(@NonNull String uiSurface, int numPredictedTargets,
+ @NonNull String packageName, @Nullable Bundle extras) {
+ mUiSurface = uiSurface;
+ mPredictedTargetCount = numPredictedTargets;
+ mPackageName = packageName;
+ mExtras = extras;
+ }
+
+ private AppPredictionContext(Parcel parcel) {
+ mUiSurface = parcel.readString();
+ mPredictedTargetCount = parcel.readInt();
+ mPackageName = parcel.readString();
+ mExtras = parcel.readBundle();
+ }
+
+ public String getUiSurface() {
+ return mUiSurface;
+ }
+
+ public int getPredictedTargetCount() {
+ return mPredictedTargetCount;
+ }
+
+ @NonNull
+ public String getPackageName() {
+ return mPackageName;
+ }
+
+ @Nullable
+ public Bundle getExtras() {
+ return mExtras;
+ }
+
+ @Override
+ public int describeContents() {
+ return 0;
+ }
+
+ @Override
+ public void writeToParcel(Parcel dest, int flags) {
+ dest.writeString(mUiSurface);
+ dest.writeInt(mPredictedTargetCount);
+ dest.writeString(mPackageName);
+ dest.writeBundle(mExtras);
+ }
+
+ /**
+ * @see Parcelable.Creator
+ */
+ public static final Parcelable.Creator<AppPredictionContext> CREATOR =
+ new Parcelable.Creator<AppPredictionContext>() {
+ public AppPredictionContext createFromParcel(Parcel parcel) {
+ return new AppPredictionContext(parcel);
+ }
+
+ public AppPredictionContext[] newArray(int size) {
+ return new AppPredictionContext[size];
+ }
+ };
+
+ /**
+ * A builder for app prediction contexts.
+ * @hide
+ */
+ @SystemApi
+ public static final class Builder {
+
+ @NonNull
+ private final String mPackageName;
+
+ private int mPredictedTargetCount;
+ @Nullable
+ private String mUiSurface;
+ @Nullable
+ private Bundle mExtras;
+
+ /**
+ * @hide
+ */
+ public Builder(@NonNull Context context) {
+ mPackageName = context.getPackageName();
+ }
+
+
+ /**
+ * Sets the number of prediction targets as a hint.
+ */
+ public Builder setPredictedTargetCount(int predictedTargetCount) {
+ mPredictedTargetCount = predictedTargetCount;
+ return this;
+ }
+
+ /**
+ * Sets the UI surface.
+ */
+ public Builder setUiSurface(@Nullable String uiSurface) {
+ mUiSurface = uiSurface;
+ return this;
+ }
+
+ /**
+ * Sets the extras.
+ */
+ public Builder setExtras(@Nullable Bundle extras) {
+ mExtras = extras;
+ return this;
+ }
+
+ /**
+ * Builds a new context instance.
+ */
+ public AppPredictionContext build() {
+ return new AppPredictionContext(mUiSurface, mPredictedTargetCount, mPackageName,
+ mExtras);
+ }
+ }
+}