1// Copyright 2022 Google Inc. All rights reserved. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package java 16 17import ( 18 "android/soong/android" 19 20 "github.com/google/blueprint" 21) 22 23var shrinkResources = pctx.AndroidStaticRule("shrinkResources", 24 blueprint.RuleParams{ 25 Command: `${config.ResourceShrinkerCmd} --output $out --input $in --raw_resources $raw_resources`, 26 CommandDeps: []string{"${config.ResourceShrinkerCmd}"}, 27 }, "raw_resources") 28 29func ShrinkResources(ctx android.ModuleContext, apk android.Path, outputFile android.WritablePath) { 30 protoFile := android.PathForModuleOut(ctx, apk.Base()+".proto.apk") 31 aapt2Convert(ctx, protoFile, apk, "proto") 32 strictModeFile := android.PathForSource(ctx, "prebuilts/cmdline-tools/shrinker.xml") 33 protoOut := android.PathForModuleOut(ctx, apk.Base()+".proto.out.apk") 34 ctx.Build(pctx, android.BuildParams{ 35 Rule: shrinkResources, 36 Input: protoFile, 37 Output: protoOut, 38 Args: map[string]string{ 39 "raw_resources": strictModeFile.String(), 40 }, 41 }) 42 aapt2Convert(ctx, outputFile, protoOut, "binary") 43} 44