hook original packing process

The actual implementation of the Transform replaced MatrixTraceTransform

public static void inject(Project project, def variant) {
//获取Matrix trace的gradle配置参数
def configuration = project.matrix.trace
//hook的Task名
String hackTransformTaskName = getTransformTaskName(
configuration.hasProperty('customDexTransformName') ? configuration.customDexTransformName : "",
"",variant.name
)
//同上
String hackTransformTaskNameForWrapper = getTransformTaskName(
configuration.hasProperty('customDexTransformName') ? configuration.customDexTransformName : "",
"Builder",variant.name
)

project.logger.info("prepare inject dex transform :" + hackTransformTaskName +" hackTransformTaskNameForWrapper:"+ HackTransformTaskNameForWrapper)

project.getGradle().getTaskGraph().addTaskExecutionGraphListener(new TaskExecutionGraphListener() {
@Override
public void graphPopulated(TaskExecutionGraph taskGraph) {
for (Task task : taskGraph.getAllTasks()) {
//找到需要hook的Task名称
if ((task.name.equalsIgnoreCase(hackTransformTaskName) || task.name.equalsIgnoreCase(hackTransformTaskNameForWrapper))
&& !(((TransformTask) task).getTransform() instanceof MatrixTraceTransform)) {
project.logger.warn("find dex transform. transform class: " + task.transform.getClass() + " . task name: " + task.name)
project.logger.info("variant name: " + variant.name)
Field field = TransformTask.class.getDeclaredField("transform")
field.setAccessible (true)
// reflective replaced MatrixTraceTransform, and the original transform incoming final performance original transform logic
field.set (Task, new new MatrixTraceTransform (Project, Variant, task.transform))
project.logger.warn ( "transform class After Hook:" task.transform.getClass + ())
BREAK
}
}
}
})